EXPERIMENTAL-OBSERVATIONS ON MIXED-MODE FATIGUE-CRACK PROPAGATION

被引：1
|
作者：
SRINIVAS, V
VASUDEVAN, P
机构：
[1] Department of Mechanical Engineering, Indian Institute of Technology, Bombay
来源：
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING | 1993年 / 56卷 / 03期
关键词：
D O I：
10.1016/0308-0161(93)90003-C
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fatigue crack propagation experiments were conducted on D16AT Al alloy to study the effect of load ratio on mixed mode fatigue crack propagation. The experiments were conducted on a Compact Tension Shear specimen at different crack angles in both mode I and mixed mode conditions. At each angle tests were conducted at three different load ratios of 0.1, 0.25 and 0.5. It has been observed that the crack growth rate increases with decrease in load ratio. The fracture surfaces were analysed under the scanning electron microscope. The effect of load ratio was studied in terms of striation spacing.
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页码：319 / 329
页数：11
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