Residual stresses and retained austenite distribution and evolution in SAE 52100 steel under rolling contact loading
Conference
·
OSTI ID:255008
- Univ. Nac Mar del Plata (Argentina)
- Oak Ridge National Lab., TN (United States)
- Vanderbilt Univ., Nashville, TN (United States)
Residual stresses are introduced and modified during manufacturing and also by normal use. In this paper the changes in magnitude and distribution of residual stresses, attending the strain induced transformation of retained austenite are examined. Tests were conducted on SAE 52100 bearing steel with different amounts of retained austenite in a 5-ball-rod rolling contact fatigue machine. The tests were accelerated by applying well-controlled micro- indentations on the wear track and using rough balls. The magnitude and distribution of residual stresses and retained austenite were measured using x-ray diffraction techniques. The contribution of the residual stresses and amount of retained austenite to the rolling contact fatigue life is analyzed.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-96OR22464
- OSTI ID:
- 255008
- Report Number(s):
- CONF-960706--24; ON: DE96012149
- Country of Publication:
- United States
- Language:
- English
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