Damage evolution of the alloy IN 738 LC at high temperature low cycle fatigue

被引：1
|
作者：
Frenz, H
Klingelhoffer, H
机构：
来源：
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK | 1996年 / 27卷 / 12期
关键词：
D O I：
10.1002/mawe.19960271217
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Interrupted Low-Cycle-Fatigue tests have been carried out with IN 738 LC at 850 degrees C. The specimens were extensively examined by SEM to quantify the evolution of fatigue damage. Surface crack nucleation at oxidized grain boundaries occured during the whole experiments. The coalescence of cracks was the dominant mechanism which lead to macro crack evolution and the final fracture.
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页码：601 / 607
页数：7
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