THE BASIC RELATIONSHIP BETWEEN MACHINING INDUCED RESIDUAL STRESS PROFILES AND FATIGUE LIFE

被引：0
|
作者：
Guo, Y. B. [1 ]
Warren, A. W. [1 ]
机构：
[1] Univ Alabama, Dept Mech Engn, Tuscaloosa, AL 35487 USA
来源：
MSEC 2008: PROCEEDINGS OF THE ASME INTERNATIONAL MANUFACTURING SCIENCE AND ENGINEERING CONFERENCE 2008, VOL 2 | 2009年
关键词：
residual stress; fatigue; surface; machining; SURFACE INTEGRITY; ROLLING-CONTACT;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The characteristics of residual stress (RS) profiles and their effects on rolling contact fatigue life for precision turned and ground surfaces with a white layer (WL) are very controversial. The key findings of this Study are: (a) The basic RS profiles by a sharp tool can be fundamentally changed by a turned WL but not a ground WL; (b) The hook shaped RS profile of a turned surface may have about 40% more fatigue life than a ground one; (c) The white layer may reduce fatigue life as Much as 7-8 times despite the deep compressive RS in the subsurface.
引用
收藏
页码：103 / 107
页数：5
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