DELAYED FRACTURE UNDER REPEATING STRESS IN VARIOUS HIGH STRENGTH STEELS.

被引：0
|
作者：
Kido, Mitsuo
Nakasa, Keijiro
Takei, Hideo
机构：
来源：
Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan | 1979年 / 65卷 / 05期
关键词：
421 Strength of Building Materials; Mechanical Properties - 545 Iron and Steel;
D O I：
10.2355/tetsutohagane1955.65.5_535
中图分类号：
学科分类号：
摘要：
The effect of superposition of small repeating stress sigma //s//e//c (the endurance stress under which no crack initiation occurs within 100 h) and on the incubation time (time of crack initiation) has been investigated using notched specimens of (JIS:SKD61, SNCMB, SUS420J2, and 18Ni maraging steel quenched and tempered at various temperatures. 18 Ni maraging steel and SUS420J2 stainless steel with higher value of sigma //s//e//c under static stress revealed a smaller decrease of sigma //s//e//c under repeating stress than SKD61 and SNCM8 steels.
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页码：535 / 541
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