Influence of Crowning on Rolling Contact Fatigue of Steel Roller : Contact Stress Analysis

2004 ◽  
Vol 2004.42 (0) ◽  
pp. 403-404
Author(s):  
Masahiro FUJII ◽  
Akira YOSHIDA ◽  
Takahito TABUCHI ◽  
Kiyoji MINEGISHI ◽  
Jun TAMENAGA
Keyword(s):  
Stress Analysis ◽  
Contact Stress ◽  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Rolling Contact ◽  
Steel Roller

Influence of coating thickness on rolling contact fatigue of alumina ceramics thermally sprayed on steel roller

2006 ◽  
Vol 39 (11) ◽  
pp. 1447-1453 ◽  
Author(s):  
Masahiro Fujii ◽  
Jiabin Ma ◽  
Akira Yoshida ◽  
Sadato Shigemura ◽  
Kazumi Tani
Keyword(s):  
Coating Thickness ◽  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Rolling Contact ◽  
Alumina Ceramics ◽  
Steel Roller ◽  
Thermally Sprayed

scholarly journals Effect of Crowning Radius on Rolling Contact Fatigue Strength of Case-Hardened Steel Roller.

1998 ◽  
Vol 64 (626) ◽  
pp. 3982-3988 ◽  
Author(s):  
Akira YOSHIDA ◽  
Yuji OHUE ◽  
Kohei MATSUO ◽  
Shin SAEKI ◽  
Teiji HAYAKAWA
Keyword(s):  
Fatigue Strength ◽  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Hardened Steel ◽  
Rolling Contact ◽  
Steel Roller ◽  
Contact Fatigue Strength

scholarly journals Influence of Crowning on Rolling Contact Fatigue Strength and Failure Mode of Steel Roller

2007 ◽  
Vol 73 (728) ◽  
pp. 1222-1229 ◽  
Author(s):  
Masahiro FUJII ◽  
Seesregdorj BAYASGALAN ◽  
Akira YOSHIDA ◽  
Kenji HAMADA ◽  
Kiyoji MINEGISHI ◽  
...  
Keyword(s):  
Fatigue Strength ◽  
Failure Mode ◽  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Rolling Contact ◽  
Steel Roller ◽  
Contact Fatigue Strength

scholarly journals Dry Rolling/Sliding Wear of Bainitic Rail Steels under Different Contact Stresses and Slip Ratios

Materials ◽  
2020 ◽  
Vol 13 (20) ◽  
pp. 4678
Author(s):  
Jiapeng Liu ◽  
Yingqi Li ◽  
Yinhua Zhang ◽  
Yue Hu ◽  
Lubing Shi ◽  
...  
Keyword(s):  
Friction Coefficient ◽  
Abrasive Wear ◽  
Contact Stress ◽  
Wear Mechanism ◽  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Rolling Contact ◽  
Wear Loss ◽  
Fatigue Wear ◽  
Slip Ratio

This study aims to deeply understand the effect of contact stress and slip ratio on wear performances of bainitic rail steels. The results showed that the wear loss increased as the contact stress and slip ratio increased. Based on the surface damage morphology and microstructural analyses, it revealed that the rolling contact fatigue wear mechanism played a significant role under the low slip ratio, but the dominant wear mechanism transferred to the abrasive wear at the high slip ratio. Meanwhile, the bainitic steel specifically presented worse wear resistance under the abrasive wear mode. Compared with the influence of a slip ratio, the increase in contact stress led to severer plastic flows and contributed to the propagation of cracks. In addition, the contact stress and slip ratio had the opposite effect on the friction coefficient, that is, the friction coefficient of bainitic steels behaved the inverse proportion with the contact stress, but positive proportion with the slip ratio. At last, the increase in slip ratio had more significant effect on the reduction of retained austenite (RA) than the enlargement of contact stress due to the fact that the RA would probably be removed before the martensitic transformation occurred under the abrasive wear mechanism.

Internal Shear Stress Distribution and Subsurface Cracks of PPS Thrust Bearings under Rolling Contact Fatigue in Water

2020 ◽  
Vol 858 ◽  
pp. 101-105
Author(s):  
Syunsuke Mizozoe ◽  
Katsuyuki Kida
Keyword(s):  
Shear Stress ◽  
Stress Distribution ◽  
Crack Propagation ◽  
Contact Stress ◽  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Rolling Contact ◽  
Subsurface Crack ◽  
Thrust Bearings ◽  
Subsurface Cracks

In this study, crack propagation in PPS thrust bearings under rolling contact fatigue (RCF) in water was observed, and relation between subsurface crack and internal shear stress parallel to the surface was investigated. It was found the cause of flaking was subsurface crack. They were evaluated in terms of contact stress and friction between their faces. It was discovered that subsurface cracks distributed around shear stress peak, and flaking failure was dominated by subsurface shear stress.

2206 Rolling Contact Fatigue of Steel Roller under Traction Oil Lubrication

2006 ◽  
Vol 2006.6 (0) ◽  
pp. 203-204 ◽  
Author(s):  
Masahiro FUJII ◽  
Akira YOSHIDA ◽  
BAYASGALAN Seesregdorj ◽  
Kazuya NAGAO ◽  
Kiyoji MINEGISHI ◽  
...  
Keyword(s):  
Rolling Contact Fatigue ◽  
Contact Fatigue ◽  
Rolling Contact ◽  
Oil Lubrication ◽  
Steel Roller
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