VDI Verlag eLibrary

Plastics in Automotive Engineering 2016

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4343 2016

Results in this title

I. Kleba, J. Emig Innovative PUR surfaces – self-healing and more S. 29-44

„… Innovative PUR surfaces – self-healing and more Dr.-Ing. I. Kleba, J. Emig, Rühl Puromer GmbH …” „… flooding with a PUR surface even with injection molding of the carrier component as a single integrated …” „… , Friedrichsdorf Abstract With puroclear® a new generation of PUR coating materials has been developed for …”

A. Spiegel, S. Schmidhuber, U. Fehrenbacher Lightweight design through multi-material systems – Structural cabin parts made of continuousfiber- reinforced thermoplastic material with a polyurethane outer skin in Class A quality S. 327-328

„… component, polyurethane systems were developed to create a suitable surface quality for outer skin …” „… components. To this end, adapted processing technologies were prepared for PUR-LFI (Long Fiber Injection …” „… modeling technologies were developed, and the joins fully characterized with regard to surface texture and …”

J. J. Laux, H. Moore, J. Ingram, J. Kowalski Class A Compression-Molded Carbon-Fiber Hood – Development and production of the Cadillac ATS-V and CTS-V Hood S. 59-66

„… product substance – and the purest expression of the passion at the core of the brand,” said Johan de …” „… excellent surface quality, lightweight and high dimensional stability. This is reflected in the use of …” „… weight, wide width format, unidirectional carbon-fiber prepreg gave us the best surface quality versus …”

R. Krischke, R. Poltrock, S. Stein Development of a lightweight instrument-panel support structure Material and production concept of the instrument-panel support tube made of long-glass-fiberreinforced partly aromatic polyamide for th... S. 259-278

„… proved to be a PA66+PA6I/X + 60%LGF with special long glass fibers. Although pure PA6T/6I materials …” „… . Fig. 3: Variant 1 - pure injection-molding design Fig. 4: Variant 2 - organic sheet in …” „… % mold filling Fig. 6: Main weld lines closed at the surface, further flushing due to incomplete mold …”

doi.org/10.51202/9783182443438

Partial access

Select for citation download

Plastics in Automotive Engineering 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4348 2017

Results in this title

J. Guenther, D. Malecha, J. Reinicke New surfaces and difficulties in applying existing test methods S. 45-56

„… , with PUR painting the surface will not be contaminated during transportation or relocation. Furthermore …” „… the PUR surface is predetermined by the surface roughness, structure and dimensions of the mold wall …” „… New surfaces and difficulties in applying existing test methods Dipl.-Ing. J. Guenther …”

C. Bauernfeind, E. Blees Lightweight material with class – Rear apron made of extremely low density polyurethane S. 93-100

„… model in the Porsche 911 family. As a link between the street-legal sports car and the pure racing cars …” „… (PUR-RRIM) comes to series production for the first time due to the close and partnerlike collaboration of …” „… and rear aprons of GT cars in the past were made of standard polyurethane (PUR-RRIM) with fiber …”

G. Huber Tinuvin® 880 – novel light stabilizer for automotive interior applications S. 161-164

„… , with no blooming/stickiness on TPO surface parts. As a 100% pure solution (no master batch …” „… conditions, for example, in visual surface aesthetics (gloss, anti-scratch performance), haptics (no …” „… blooming/sweating-out of additives onto the surface of the polymer. As polymer parts in cars are very often exposed to …”

M. Steinbach, J. Maier Methodological further development of weight reduction in vehicle interior trim parts – Current and future opportunities from an automaker's perspective S. 21-34

„… parts serve to boost the quality of the passenger compartment. Surface materials are therefore selected …” „… : - Weight - Material - Surface quality - The manufacturing processes available - Static loads …” „… categories: - Components with an enhanced surface, and - Mold-in-Color components (injection moldings with …”

R. Kurz, S. Hobelsberger, H. Auer Sewn-covering lamination for the instrument panel: from the discontinuous to the continuous process S. 13-20

„… : Development of the cockpit from the 1950s to the present 13 There is no doubt that pure functionality stood …” „… technologies in which the surfaces are produced by complex methods. Today, therefore, physical comfort, an …” „… high-quality surfaces, especially in the premium segment, has moved increasingly into the focus of development …”

doi.org/10.51202/9783182443483

Partial access

Select for citation download

PIAE Europe 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2418 2023

Results in this title

M. Fischer Smart front and rear panels by purposefully combined plastic processing S. 479-494

„… . excellent and long-lasting surface quality by self-healing surfaces based on Polyurethane (PUR) technology 6 …” „… . PUR top surface layer with the thickness of three millimeters. This thickness had been chosen solely …” „… lasting and self-healing surfaces exceeding the surface quality of thermoplastic resins.  PUR dosing …”

M. Schlummer, D. Arends Recycling of Plastics from Automotive Shredder Residues S. 275-288

„… contaminants like fibers and fillers can be removed from the targeted thermoplastic material to recover pure …” „… like foams or metallized surfaces make sorting more difficult and limit qualities that can be achieved …” „… selective recovery of pure ABS and pure PC, as has already been demonstrated on small technical scale for …”

F. Groh, R. Apfelbeck, W. v. Gilst, A. Karl Innovative shear panel in plastic for vehicles with shortened battery modules S. 519-532

„… : cost-optimized pure D-LFT The calculation basis for the optimization was a polypropylene (PP-GF50) with a high …” „… application area, the tape is applied over the entire surface with a tape orientation of ±45°. Four tape …” „… pure D-LFT molding compound (PP-GF50) with wall thicknesses up to 11 mm. In this design, a mass saving …”

H. Häberle Use of plastic in the new MAN truck – sustainable solutions, also through the use of recyclates S. 83-92

„… company and could theoretically be returned to the same component application. ‐ The surface of the …” „… transparent). On account of the high surface requirements, this is produced in a clean room. This sheet is …” „… protection plate of the F2000; Fig. 4. Coming from the predecessor vehicle F90, this was changed from PUR …”

F. Wazula, H. Tattko, A. Sumfleth Star panel of the Mercedes Benz EQS – New design meets new challenges S. 33-46

„… homogeneous temperature distribution over the entire component surface, thus forming the basic prerequisite …” „… . This not only enables pure data acquisition, it also offers the advantage of accurate feedback for the …” „… ; see Fig. 4.2. The black topcoat, applied over the entire surface on the back of the component in the …”

doi.org/10.51202/9783181024188

No access

Select for citation download

VDI nachrichten

Browse Volumes: VDI nachrichten

VDI nachrichten Volume 76 (2022) Issue 10 ISSN Online: 0042-1758

Results in this title

Hans-Christoph Neidlein Photovoltaikbranche im Brennpunkt S. 8-9

„… Equipment aus Freiburg für seine Surface-Schindel-matrixanlage für Solarzellen, die leichte und …” „… , die diesen über mehrjährige Lieferverträge (PPAs: Power Pur -chase Agreements) abnehmen.Dazu kommen …” „… aus seiner Alpha-Pure-Serie mit ei-nem Modulwirkungsgrad von 22,3 % an, die mit einem der …”

Martin Ciupek Spaßbremse Service S. 8

„… Equipment aus Freiburg für seine Surface-Schindel-matrixanlage für Solarzellen, die leichte und …” „… , die diesen über mehrjährige Lieferverträge (PPAs: Power Pur -chase Agreements) abnehmen.Dazu kommen …” „… aus seiner Alpha-Pure-Serie mit ei-nem Modulwirkungsgrad von 22,3 % an, die mit einem der …”

doi.org/10.51202/0042-1758-2022-10

No access

Select for citation download

International Conference on Gears 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2355 2019

Results in this title

N. Wan, L. Yao Efficiency modelling and analysis for a novel double-arc bevel gear nutation transmission system for pure electric vehicles S. 1253-1258

„… for Pure Electric Vehicles Nianhong Wan, Ligang Yao, School of Mechanical Engineering and …” „… development of pure electric vehicles (EVs), small and efficient transmission system is the trend. The paper …” „… pure electric vehicles. Compared with the traditional planetary gear transmission, the designed system …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… could be present even at fluid film lubrication. The elastic deformation of the thermoplastic surface …” „… , thermoplastic surfaces experience significant elastic deformation, leading to a large local conformity in …” „… an oil temperature of 24.0 °C for pure rolling condition at mean speeds of vm = {40; 115} mm/s …”

K. Smrczkova Wear resistant plastics – Bespoke plastic compounds for plastic gears S. 1345-1356

„… detail in this abstract. VDI-Berichte Nr. 2355, 2019 1345 POM has a high crystallinity and surface …” „… highest application temperature with up to 240°C. This material has a high crystallinity and high surface …” „… generated due to cold mold temperature can double the linear wear rate. And not only the surface hardness …”

K. Mukaiyama, M. Nakagawa, T. Hirogaki, E. Aoyama Investigation of meshing phenomenon of hypoid gears with different offsets via high response infrared video thermography S. 505-516

„… and gear surface. In this study, thermal images were taken by thermography, and the tooth root stress …” „… was measured for gear pairs with different offsets. Monitoring the tooth surface temperature by …” „… using thermography, and the relationship between the tooth surface temperature distribution and tooth …”

M. Trubswetter, M. Otto, K. Stahl Evaluation of gear flank surface structure produced by skiving S. 1799-1812

„… Evaluation of Gear Flank Surface Structure Produced by Skiving M. Trübswetter, M.Sc …” „… , Garching Abstract The surface structure of gear flanks has an impact on the performance of the gear …” „… . However, the evaluation proves to be difficult. Gears produced by skiving have a particular surface …”

M. R. Mauntz, J. Peuser Deep online oil analysis of dielectric parameters for life time enhancement of industrial gearboxes – Identification of critical operation conditions for reduction of failure rates S. 245-256

„… independently. Inorganic compounds occur at contact surfaces from the wear of parts, broken oil molecules …” „… electrical non-conductors; the electrical residual conductivity of pure oils is in the range below 1 pS/m as …” „… extremely low corresponding property of original pure oils. A direct connection between the electrical …”

A. Kubo, M. Nagae, K. Kawasaki Japanese standardization for gear steel qualification via evaluation of HV-scattering S. 893-902

„… procedure, no carbon can reach the central part of this steel bar from the surface. That means the central …” „… of HV distribution measured. The surface hardness and effective case depth (depth of HV550) is …” „… parameter is the HV hardness of the target surface. From this picture we can read the status as follows …”

B. J . Siewerin, T. Tobie, K. Stahl, A. Dobler Flank load carrying capacity of hard-soft gear pairings S. 173-184

„… surface that are predominantly located below the pitch diameter in areas of negative specific sliding …” „… ). In that area the sliding speed is close to zero and almost pure rolling exists in the contact zone …” „… . Prexler [Pre90] confirmed a major influence of the surface roughness in relation to the lubricant film …”

J. Lohmiller, J. Hoffmeister, J. Hermes Conventional high-strength nodular graphite iron as a substitute for austempered ductile iron (ADI) S. 877-892

„… industrial conditions. Dhonau, a pure hand molding foundry, is an expert for thickwalled nodular graphite …” „… to an ultimate number of cycles 107. After the failure of the fatigue samples, the fracture surface …” „… located close to the fracture surface of fatigue samples (i.e. 20 mm beneath the final contour of each …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… f Flank strength Influence of gear surface roughness on pitting and micropitting life …” „… tooth flank on the surface durability 15 A. Kubo …” „… ) 25 C. Brecher, C. Löpenhaus, F. Goergen M.Sc., WZL, Aachen Effect of surface characterization induced …”

M. Ruzek, F. Ville, P. Velex, Y. Marchesse Windage power loss reductions in high-speed gear pairs S. 91-100

„… imposed at all the nodes located on the gear tooth surfaces, and outlet conditions are applied to the …” „… surfaces at the limits of the external computational domain. The normal velocity component at the planes …” „… pure air, the physical properties of which are evaluated at 25 °C (e.g. ρ = 1.185 kg/m3 and μ = 1.831 …”

A.-K. Wiemann, M. Stein, K. Kniel Temperature influence on involute gear measurements S. 1557-1566

„… seven additional surface temperature sensors monitored the workpiece temperature. Within the cooling …” „… considers only a mean temperature. Secondly, the model is based on a pure linear expansion and might reach …”

doi.org/10.51202/9783181023556

Partial access

Select for citation download

Drivetrain for Vehicles 2016

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2276 2016

Results in this title

B. Kohn, M. Otto, K. Stahl Noise Reduction Potential of Waveform Flank Modifications – Topological Waveform and Waveform-like Modifications Provide Promising Optimization Perspective S. 451-468

„… sine-modifications, that are oriented along the lines of contact. For the mesh in figure 1, this pure waveform …” „… micron. If it comes to gears that provide generally low TE pure waveform modifications become a rather …” „… FZG of which a bunch of examples will be shown in this paper. Starting off with the pure waveform …”

doi.org/10.51202/9783181022764

Partial access

Select for citation download

International Conference on Gears 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2294 2017

Results in this title

G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… gear flank modifications and deviations with respect to a pure involute flank surface. However, the …” „… ) defines deviations from a three-dimensional “pure involute” surface. For gears with modifications, this …” „… deviation at each point is superimposed to the pure involute surface in the surface normal direction …”

D. Krüger, E. Leidich, I. Römhild, R. Heß, H. Linke Geometry, pitting and tooth root capacity of asymmetric gears S. 751-768

„… failures near the surface on the working flanks caused by fatigue. They often appear below the pitch …” „… equivalent stress is at the same depth from the surface, but the magnitude is 15% higher for the gear …” „… contact. VDI-Berichte Nr. 2294, 2017 759 from one side at a specific height (R = 0) or assumed as pure …”

M. Schwenk, J. Hoffmeister, J. Hermes Prediction of local load carrying capacity for gears – a materials science approach S. 989-1002

„… In recent years the problem of case hardened gear failure due to crack initiation below the surface …” „… thermochemical effect includes the gas reactions that occur at the steel surface which can be simplified by using …” „… transfer coefficient α which depends on the surface temperature TS. The temperature evolution, which acts …”

J. Lohmiller, J. Hoffmeister, J. Hermes, M. Ansorg, H. Dhonau Development and investigation of austempered ductile iron (ADI) for thick-walled gear components S. 963-976

„… in vacuum avoiding oxidation on the surface. The salt bath medium was AS140 from Durferrit GmbH. The …” „… surface (black solid line), while transformation slows down continuously as depth increases towards the …” „… different depths. (b) Etched microsections show the change from pure ausferritic matrix to a mixture of …”

F. Concli, C. Gorla Numerical modeling of the churning power losses of gears: an innovative 3D computational tool suitable for planetary gearbox simulation S. 881-892

„… to the pure tetrahedral grid generation, typically implemented in the general purpose software and …” „… sides of the planet carrier and counter plate and the fixed and planar internal surfaces of the housing …” „… distribution of oil in the gearbox, the pure lubricant lies in proximity of the teeth of the ring gear, due to …”

J. Thomas, C. Wirth Determination and improvement of bevel gear efficiency by means of loaded TCA S. 707-718

„… , BECAL generates the geometry of the flank surface and tooth root. Analysing a virtual mesh loaded …” „… = 1000 rpm. As lubricant a 75W-90 Oil with a temperature of 90°C was assumed. Tooth flank surface …” „… get the pure influence of offset, all these gears show more or less same ease-off and contact pattern …”

J. Strüber Design of plastic micro gear teeth for mass production with high manufacturing tolerances for a medical device S. 1463-1472

„… dedendum in the area of the root surface or the undercut and mandatorily only removes a small element from …” „… gearwheels are in practice much more tolerant to deviations than would be expected from pure theory. In the …”

A. von Freyberg, A. Fischer Automatic geometry segmentation of involute flank regions S. 1015-1024

„… engineering. Gear Technology 8 (1991) 4, pp. 34-38. [9] Regalado, I.; López, R.: Reverse engineering of pure …” „… Zylinderrädern (3D-Surface-like Numerical Description, Alignment, and Evaluation of Involute Cylindrical Gears …”

doi.org/10.51202/9783181022948

Partial access

Select for citation download

Interactions between enzymes and oxide colloidal particles and their influence on enzymatic activity

Ludmilla Derr

Series: Grund- und Werkstoffe/Kunststoffe

Volume 760 2016

Results in this title

Physisorption of a-chymotrypsin on SiO2 and TiO3: a comparative study via experiments and molecular dynamics simulations S. 103-139

„… rate 0.5 s, Branson, USA). Deagglomeration did not change any surface-specific property such as IEP …” „… water-mediated protein-surface interactions are considered. On both surfaces, a clear driving force for the …” „… per unit of surface can be accommodated on T1O2 than on Si02. This is probably due to the lower …”

Physisorption of enzymatically active chymotrypsin on titania colloidal particles S. 59-81

„… allows an easy, fast and reliable determination of particle surface-bound enzyme activity and has high …” „… adsorbed or surface-bound enzymes. The activity of surfacebound enzymes may be altered by several factors …” „… , including denaturation, orientation on the surface, and steric hindrance7, 13, 15'17, 19, 141_144 …”

Effects of silica and alumina colloidal particles on enzymatic activity of achymotrypsin after adsorption S. 82-102

„… hydrophobicity of the AI2O3 surface. Consequently, Chymotrypsin does not reach the theoretical regulär …” „… monoiayer side-on on the S1O2 surface under either acidic (pH 5) or basic conditions (pH 8). By contrast …” „… , the theoretical regulär monoiayer side-on was attained on the AI2O3 surface under both acidic and …”

References S. 173-194

„… proteins with a solid surface using complementary acoustic and optical techniques. Biointerphases 2014,9 …” „… interaction of biomacromolecules with inorganic surfaces. Adv Drug Deliv Rev 2011,63, (13), 1186-209. 23. Lee …” „… , W. H.; Loo, C. Y.; Rohanizadeh, R., A review of chemical surface modification of bioceramics …”

Assessment of proteolytic activity of a-chymotrypsin immobilized on colloidal particles by matrix-assisted laser desorption ionization time-of-flight mass spectroscopy S. 140-163

„… surfaces2. The immobilization efficiency, the 141 enzymatic activity and stability and the potential …” „… , Germany) and the specific surface area was measured by nitrogen Volumetrie adsorption using a …” „… present on the surface of the colloidal particles was determined by titrations according to Hidber using …”

doi.org/10.51202/9783185760051

Partial access

Select for citation download

Partitioned solution strategies for electro-thermo-mechanical problems applied to the field-assisted sintering technology

Patrick Erbts

Series: Mechanik/Bruchmechanik

Volume 345 2016

Results in this title

Governing equations S. 8-44

„… ) Radiation in the absence of a participating medium is considered as pure surface radiation transport. The …” „… incorporates the heat flux irradiating from all other surfacesHs at locations rs plus contributions from …” „… deformation gradient has a large significance since it can be used to map material line d X , surface d A1 …”

Solution of coupled problems S. 79-144

„… coupling strategies on the example of volume- and surface-coupled problems are devised and some aspects of …” „… surface-coupled problems. Generally, all computations that deal with non-matching coordinates need an additional …” „… surface-coupled FSI problems. This technique is based on the idea of 100 4. Solution of coupled problems …”

doi.org/10.51202/9783186345189

Partial access

Select for citation download

International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

Results in this title

P. Romio Spur Gear Teeth Reconstruction via Direct Laser Deposition S. 1641-1664

„… 16 MnCr 5 FZG Type C pinion using a DLD combination of pure Inconel 625 (MetcoClad 625) for the tooth …” „… core and pure AISI 431 (Metco 42C) as a superficial coating. The pinion was tested for over 2.7 million …” „… presented surface damage development throughout the campaign. This exploratory work thoroughly discusses the …”

A. Carvalho, R. Rego, N. Fukumasu, D. Tamayo, F. Nascimento, I. Machado PVD Deposition of Nb-MoS2 Coatings on Gear Carburized Steel S. 1071-1082

„… surface integrity were studied for gear applications. A deposition system with independent high-purity …” „… , also influenced by the substrate surface integrity. Moreover, VDI-Berichte Nr. 2422, 2023 1071the …” „… suitable for reducing losses and extending the durability of gears. However, pure MoS2 presents low …”

L. Braumann, H. Amri, V. S. Viteri, J. Ochoa LUBGEAR – Experimental Campaign for Aviation Gears in Loss-of- Lubrication S. 1063-1070

„… systems increase system weight and complexity, the H2020 research project LUBGEAR investigates surface …” „… lubrication are necessary. Among the most promising strategies, surface technologies (surface hardening …” „… , coatings, surface finishing and material choice) show great potential to reduce friction and wear, as well …”

W. Kassem, J. Müller, M. Oehler, O. Koch Analytical tooth root stress calculation for short fiberreinforced plastic gears S. 1361-1374

„… tooth tip and on the assumption of pure bending stress, as shown in Fig. 1. Based on a force application …” „… orientation tensors. It can be seen that the main orientation follows the tooth surface due to the flow …” „… assumed that a short-fiber reinforced beam is loaded with pure bending, see Fig. 5. The short-fiber …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot …” „… mechanical strength. Shot peening appears as a potential solution to densify surfaces by inducing localized …” „… variations on the surface properties produced by iSLS. Both the decision of the peening parameters and the …”

U. Cihak-Bayr, T. Wopelka, C. Wintersteiger Effect of LOL conditions under high velocity and high injection temperatures S. 763-778

„… fundamental study, a case hardened AISI9310 with transversally ground surface was characterised with Aeroshell …” „… simulate mixed lubrication conditions. The EHL model considered the surface of the transversally ground …” „… if the SRR was kept constant. A super finished surface was observed to have significantly lower …”

J. Lövenich, M. Zalfen, D. Mevissen, J. Brimmers, C. Brecher Crack growth based tooth root life prediction model – an influence quantity analysis S. 109-124

„… range. A lifetime for surface and sub-surface induced fractures is calculated, resulting in a stepped …” „… surfaces is optimized the residual compressive stresses close to the surface are applied by shot peening …” „… and increased surface qualities can only be represented to a limited extent by standard-based …”

M. Gebhardt, A. Rhode, B. Legrady Lubrication improvement at the HS-IS spline shaft interface of a wind turbine gearbox using the smooth particle hydrodynamic method S. 519-536

„… Legrady, dive solutions GmbH, Berlin Abstract Sufficient lubrication between all contacting surfaces with …” „… the floating of the sun causing micromotion in the contact surface. If this interface is …” „… the purpose of the spline is pure torque transmission and centering would lead to constraining forces …”

S. Birk, E. Stoppel, V. Labriola Influence of plastic-metal-pairings on the lifetime of gears S. 1535-1546

„… explained in the following chapter. Fig. 1 shows a spur gear stage which initially was a pure metal stage …” „… pattern of the gears is only partially on the flank and not on the full surface. This fact causes high …” „… order to ensure a full and balanced surface contact over the complete flank it is necessary to apply a …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… field of the surface is known at every point in the interior of elements. This is particularly …” „… . Some of the major failure modes of gears, such as scuffing, pitting and spalling are surface contact …” „… contacting surfaces as a series of linear springs, independent of one another. As the influence of adjacent …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… the dedendum flank and bottom land surface - root fillet radius: f = 7.3 mm Modification 3-2 - profile …” „… surface - root fillet radius: f = 9.2 mm Modification 2-1 - profile with modifications based on the series …” „… of triangles case 2 - modification both to the dedendum flank and bottom land surface - root fillet …”

M. Ruzek, R. Brun, F. Ville, P. Velex, Y. Marchesse On the reduction of windage power losses in gears by the modification of tooth geometry S. 785-800

„… . 2422, 2023786Fig. 1: Four tooth modifications investigated by Hill [10]. A - Leading surface rounded …” „… , B - Leading and trailing surface rounded, C - Two slots at the tip of the tooth, D - Ramp at the …” „… the wheel made of steel is smoother than the PLA flank surface, which is likely to generate more …”

S. Sepp, A. Wenig, M. Otto, K. Stahl Acoustical behavior of periodic flank modifications under dynamic operating conditions S. 341-356

„… the tooth contact through the adjacent components to the housing surfaces where they are emitted as …” „… µ𝑚Wheel Pure waveform modification Amplitude: 0.5 µ𝑚 Angle: 16.9 ° Wavelength: 8 µ𝑚 Phase shift …” „… is in the form of a pure displacement-induced excitation and no dynamic tooth forces exist. The LTE …”

O. Harris, C. Poyser, R. Patel, O. Shires Developing CAE solutions for Robotics gears: Cycloidal and Strain Wave Gear Drives S. 1111-1124

„… gear pair based on error tooth surfaces,” Applied Sciences, vol. 11, p. 8671, 2021. [9] A. Wang et al …” „… ., “Modeling of the pure kinematic error for harmonic drive gears with considering multiple meshing teeth …”

A. Hilligardt, V. Schulze Gear Skiving with Minimum Twist Errors S. 1749-1764

„… processes with a cross-axis angle of up to 10° are often still feasible for pure flank machining in a …” „… executable taper surface grinding can be used to minimize the contact angle and thus the twist errors on this …” „… . For the two-flank skiving of a symmetric lead crowning of 18 µm via pure center distance adaptation …”

doi.org/10.51202/9783181024225

No access

Select for citation download

Kunststoffe im Automobilbau 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4347 2017

Results in this title

G. Huber Tinuvin® 880 – novel light stabilizer for automotive interiorapplications S. 163-166

„… TPO surface parts. As a 100% pure solution (no master batch), formulators have the ability to make …” „… conditions, for example, in visual surface aesthetics (gloss, anti-scratch performance), haptics (no …” „… additives onto the surface of the polymer. As polymer parts in cars are very often exposed to direct or …”

J. Guenther, D. Malecha, J. Reinicke Neue Oberflächen und Anforderungen an die Anwendung von bestehenden Testmethoden S. 45-58

„… Neue Oberflächen und Anforderungen an die Anwendung von bestehenden Testmethoden New surfaces …” „… Teil des Vortrags wird auf das Verfahren „Lackieren im Werkzeug mittels Überflutung durch PUR …” „… using PUR". The second part briefly examines the complexity of the qualification and testing of new …”

doi.org/10.51202/9783182443476

Partial access

Select for citation download

Model-Based Design of Pure and Multicomponent Cellulosic Biofuels for Advanced Engine Concepts

Manuel Dahmen

Series: Verfahrenstechnik

Volume 954 2017

Results in this title

Model-based identification of biofuel candidates S. 107-129

„… prototyping, i.e., the synthesis of a sufficiently pure, small sample for experimental investigation …” „… ≥ 10 wt-% boiling point Tboil ≥ 60 ◦C and ≤ 120 ◦C melting point Tmelt ≤ -20 ◦C surface tension σ ≤ 30 …” „… fuel’s atomic composition. Besides boiling point and enthalpy of vaporization, surface tension and …”

Conclusions and outlook S. 175-178

„… content, heating value, density, viscosity, surface tension, enthalpy of 176 vaporization, Reid vapor …” „… the database is increased. Since the number of pure compounds that can be bought at a reasonable price …” „… species by considering both DCN data of pure compounds and DCN data of blends with known composition …”

Titelei/Inhaltsverzeichnis S. I-XVIII

„… Model-Based Design of Pure and Multicomponent Cellulosic Biofuels for Advanced Engine Concepts Berichte …” „… Verfahrenstechnik - Prozesstechnik RWTH Aachen University Model-Based Design of Pure and Multicomponent Cellulosic …” „… Fortschritt-Berichte VDI Model-Based Design of Pure and Multicomponent Cellulosic Biofuels for Advanced Engine …”

Blend formulation by simultaneous product and pathway design S. 130-174

„… , however, have been mostly confined to the identification of pure-component fuels (Hechinger et al., 2010 …” „… for certain fuel properties to a simplified variant of the original RNFA model. The pure …” „… , thereby generating a biofuel mixture instead of a pure-component fuel. Again, the pure …”

QSPR-based prediction of physicochemical fuel properties S. 83-106

„… (DIPPR) 801 database (AIChE, 2012), i.e., a widely used collection of pure-component property data for a …” „… K surface tension σ N/m 574 298 K dynamic viscosity μ Pa·s 473 298 K critical temperature Tcrit K …” „… comparison of the different methods, Poling et al. (2001) argue that, with regard to pure-component constants …”

Basic concepts of fuel design S. 10-39

„… structure physicochemical properties volatility cetane number density surface tension … mixture formation …” „… formation → emissions surface tension σ [mN/m] mixture formation → emissions Liquid hydrocarbons have been …” „… et al., 2014) have concluded that a high fuel volatility, a low surface tension and/or a low …”

Bibliography S. 227-276

„… group contribution method for predicting the octane number of pure hydrocarbon liquids. Industrial …” „… . B. (1955). Surface tension and the principle of corresponding states. AIChE Journal, 1(2):174–177 …” „… contribution method for estimating properties of pure compounds. AIChE Journal, 40(10):1697–1710. 235 …”

GC-based prediction of fuel auto-ignition quality S. 50-82

„… Subsection 2.1.1). Although multiple models for the prediction of pure-component octane number (ON) and …” „… calibrated by adjusting the set-point of the chamber outer surface temperature controller until two reference …” „… pure-component thermophysical and combustion-related phenomena (e.g., Benson and Buss (1958); Fredenslund et al …”

Appendices S. 179-226

„… -ethylhexyl) phthalate; DL-α-tocopherol; 1,2,3-butanetriol 4 large aromatic esters surface tension σ − 1 large …” „… temperature-dependent vapor pressure pSi for a pure compound i at temperature T from QSPR estimates for critical …” „… compute the temperature-dependent liquid molar density ρm,i of a pure compound i at temperature T from …”

doi.org/10.51202/9783186954039

Partial access

Select for citation download

Gleit- und Wälzlagerungen 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2348 2019

Results in this title

S. Bill Higher efficiency and lifetime improvement for bearings S. 325-328

„… 5: Surfaces after 3 hours, pure grease (left), REWITEC®-modified (right) On the side on which the …” „… micro-particle based surface treatment technology. This technology uses lubricants as a carrier for a …” „… run better with reduced friction, temperature, surface roughness and great reliability and durability …”

doi.org/10.51202/9783181023488

Partial access

Select for citation download

PIAE EUROPE 2021

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2385 2021

Results in this title

T. Köppl, F. Dresel, N. Grohnmeier Breakthrough in producing soft and sustainable interior surfaces by injection moulding of TPE S. 49-60

„… Breakthrough in producing soft and sustainable interior surfaces by injection moulding of TPE …” „… Several processing methods and materials exist to produce soft-touch interior surfaces like instrument …” „… surfaces by injection moulding of the new high-flow thermoplastic elastomers Dryflex® HiF. TPE are already …”

A. Schmitz The all-new MAN high-roof cab – epoxy sandwich RTM – simulated using FEM and crashed under real conditions S. 61-74

„… TG series. The surfaces of the outer and inner shells when unfolded come to an area of about 6.2 km …” „… more storage space and reduced heat input into the cab have increased and the large window surfaces …” „… measures 2326 x 2016 x 770 mm, which corresponds to a total laminate surface of 17.25 m². The weight of …”

doi.org/10.51202/9783181023853

Partial access

Select for citation download

Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

Björn Jakob Müller

Series: Elektronik/Mikro- und Nanotechnik

Volume 396 2018

Results in this title

Results and discussion S. 51-163

„… gradients to improve the electronic properties. By introducing back and surface graded material, an attempt …” „… properties, both at the back and front surface as well as inside the bulk material. In the SEL process the …” „… conditions for the pure absorber, the back contact and the interface region between the absorber and the back …”

Titelei/Inhaltsverzeichnis S. I-XIII

„… : Aluminium α: Absorption coefficient αeff : Effective absorption coefficient AZO: Al:ZnO BSF: Back surface …” „… and front surface grading properties can be calculated for the application in optimal process …” „… conventional two-step process was furthermore modified by separating the annealing step into a pure …”

Experimental procedure S. 32-50

„… in-situ XRD (IXRD) investigations during crystal growth are performed. In order to study surface …” „… beam is tilted against the surface normal. Raman spectroscopy Raman spectroscopy is an optical method …” „… remain in their positions [91–94]. For pure CISe absorbers the A1 mode is located in the range of 173-174 …”

doi.org/10.51202/9783186396099

Partial access

Select for citation download

Diese Webseite verwendet Cookies

[#IABV2_TITLE#]

Results (210)

Plastics in Automotive Engineering 2016

Plastics in Automotive Engineering 2017

PIAE Europe 2023

VDI nachrichten

International Conference on Gears 2019

Drivetrain for Vehicles 2016

International Conference on Gears 2017

Interactions between enzymes and oxide colloidal particles and their influence on enzymatic activity

Partitioned solution strategies for electro-thermo-mechanical problems applied to the field-assisted sintering technology

International Conference on Gears 2023

Kunststoffe im Automobilbau 2017

Model-Based Design of Pure and Multicomponent Cellulosic Biofuels for Advanced Engine Concepts

Gleit- und Wälzlagerungen 2019

PIAE EUROPE 2021

Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients