Fatigue characteristics of bearing steel in very high cycle fatigue

被引：10

作者：

Chana-Min, Suh ^{[2
]}

Jong-Hyoung, Kim ^{[1
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Dept Engn Sci & Mech, Chikusa Ku, Aichi 4648603, Japan

[2] Kyungpook Natl Univ, Sch Mech Engn, Taegu 702701, South Korea

来源：

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2009年 / 23卷 / 02期

关键词：

Very high cycle fatigue (VHCF); Rotational bending fatigue test; Shot peening; Fatigue characteristic; Fish-eye crack; Giga cycle fatigue; SUBSURFACE CRACK INITIATION; GIGACYCLE FATIGUE; MECHANISM; FAILURE;

D O I：

10.1007/s12206-008-1104-3

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Very high cycle fatigue (VHCF) tests were carried Out to find the fatigue characteristics of a super-long life range by using a cantilever type rotational bending fatigue test machine on three kinds of specimens in bearing steel which were quenched and tempered in air (A: non-shot peened and B: shot peened after heat treatment) and under vacuum environment(C: non-shot peened) in this Study. S-N curves obtained from the VHCF tests of the B and C specimens tend to come down again in the super-long life (10(9) cycles) range due to fish-eye type cracking, while most of the A and B specimens were fractured by surface detects Such Lis scratches and slip lines. This duplex S-N behavior of bearing steel has to be reviewed by the change of the fracture modes.

引用

页码：420 / 425

页数：6

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