High-cycle fatigue failure of low-carbon steel after long-term aging

被引：8

作者：

Botvina, L. R. ^{[1
]}

Petrova, I. M. ^{[2
]}

Gadolina, I. V. ^{[2
]}

Levin, V. P. ^{[1
]}

Demina, Yu. A. ^{[1
]}

Soldatenkov, A. P. ^{[1
]}

T'utin, M. P. ^{[1
]}

机构：

[1] Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow 117334, Russia

[2] Russian Acad Sci, Blagonravov Inst Engn Sci, Moscow 101830, Russia

来源：

INORGANIC MATERIALS | 2010年 / 46卷 / 14期

基金：

俄罗斯基础研究基金会;

关键词：

Fatigue; Fatigue Crack; Fatigue Strength; Fatigue Failure; Multiple Fracture;

D O I：

10.1134/S0020168510140190

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The characteristics of nucleation and development of fatigue cracks under high-cycle loading of plane samples of low-carbon steel are studied after its natural aging for 15 years. Cumulative distributions of the number of microcracks with respect to their length are constructed and the fracture microrelief is studied. It is found that the fatigue strength of the steel decreases considerably in the high-cycle region (> 10(7) cycles) at a stress less than the fatigue strength.

引用

页码：1570 / 1577

页数：8

共 13 条

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