Results 91 to 100 of about 288,262 (296)
Model Test Study on Rock Rolling Characteristics
Applied SciencesIn order to study the influence of falling rock shapes on their rolling characteristics and to determine the optimization of falling rock protection design, a series of research experiments were conducted.
Ning Hu +4 more
doaj +1 more source
Student Understanding of Rotational and Rolling Motion Concepts [PDF]
, 2007 Provides pedagogical insight concerning learners' pre-conceptions and misconceptions about torque and rolling motion The resource being annotated is: http://www.dlese.org/dds/catalog_DLESE-000-000-006-235 ...
Lamont-Doherty Earth Observatory, Columbia University
core
Student understanding of rotational and rolling motion concepts
, 2005 We investigated the common difficulties that students have with concepts related to rotational and rolling motion covered in the introductory physics courses.
A. J. Nitko +8 more
core +3 more sources
Advanced Engineering Materials, EarlyView.Viktoriia Shtefan, Thorgund Nemec, Ute Hempel, Annett Gebert and coworkers demonstrate that anodic treatment of Ti–Cu‐based metallic glass in a nontoxic pyrophosphate electrolyte forms a protective bilayered Ti/Zr‐oxide film enriched with Cu nanocrystals.
Viktoriia Shtefan +8 more
wiley +1 more source
Механика машин, механизмов и материалов, 2012 In article the experimental analysis of laws of influence of the pressure caused by extracontact loading, on change of the moment of a friction and rolling resistance coefficient is carried out.
V.V. Komissarov
doaj
Effect of double vacuum melting and retained austenite on rolling-element fatigue life of AMS 5749 bearing steel [PDF]
AMS 5749 steel combines the tempering, hot hardness, and hardness retention characteristics of AISI M-50 steel with the corrosion and oxidation resistance of AISI 440C stainless steel. The five-ball fatigue tester was used to evaluate the rolling-element
Hodder, R. S., Parker, R. J.
core +1 more source
The effect of contact torques on porosity of cohesive powders
, 2004 The porosity of uniaxially compacted cohesive powders depends on the applied stress (including gravity). The case, where these stresses are weak, is considered.
Bartels, Guido +4 more
core +1 more source
Advanced Engineering Materials, EarlyView.This plot compares experimental tensile stress–strain curves (with 4 different strain rates) and corresponding modelled curves (obtained using the optimised sets of Voce and Miller–Norton parameter values shown). The inferred M‐N values, characterizing the creep, are very similar to those obtained via conventional creep testing.
S. Ooi, R. P. Thompson, T. W. Clyne
wiley +1 more source
A gumiabroncs-talaj kapcsolatában lejátszodó dinamikus energiatranszport folyamatok vizsgálata = Investigation of the dynamic energy transport process in the soil tyre interaction [PDF]
, 2009 Terepen történő járműmozgás két jelentős vesztesége a gördülési ellenállás és a szlip. A két veszteség hatással van egymásra, azonban a folyamatok tisztázása végett célszerű azokat külön vizsgálni.
Füleky, György +5 more
core
Rolling as a continuing collision
, 2002 We show that two basic mechanical processes, the collision of particles and rolling motion of a sphere on a plane, are intimately related. According to our recent findings, the restitution coefficient for colliding spherical particles \epsilon, which ...
Brilliantov, Nikolai V. +1 more
core +1 more source