Some studies on the influence of stress ratio and test temperature an X-ray fractography observations in C45 steel specimens

被引：3
|
作者：
Rajanna, K
Pathiraj, B
Kolster, BH
机构：
[1] UNIV TWENTE,FAC MECH ENGN,7500 AE ENSCHEDE,NETHERLANDS
[2] FDN ADV MET SCI,HENGELO,NETHERLANDS
来源：
ENGINEERING FRACTURE MECHANICS | 1996年 / 54卷 / 04期
关键词：
D O I：
10.1016/0013-7944(95)00242-1
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper deals with additional ''X-ray fractography'' observations made on C45 steel, subsequent to the earlier work [K. Rajanna, B. Pathiraj and B. H. Kolster, Fatigue fracture surface analysis in C45 steel specimens using X-ray fractography. Engng Fracture Mech. 39, 147-157 (1991)]. Fatigue crack growth tests were carried out at 20 degrees C on CT samples prepared from this steel using different stress ratios (0.1R, 0.5R and 0.7R). Tests were also carried out at different temperatures (-20 degrees C, 20 degrees C and 115 degrees C) using a stress ratio of 0.1. The fractured surfaces were analysed for their residual stress state. The influence of the test conditions on the residual stresses developed is discussed. Copyright (C) 1996 Elsevier Science Ltd.
引用
收藏
页码：457 / 470
页数：14
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