EFFECT OF GRAIN BOUNDARY CARBIDE ON CREEP CRACK GROWTH IN Fe-Cr15-Ni25 ALLOY

被引：0
|
作者：
WANG Fugang ZHU Suming ZHU Shijie REN Xiaomin TAN Yi ZHANG Junshan Dalian University of Technology
Dalian
China
机构：
来源：
Acta Metallurgica Sinica(English Edition) | 1992年 / 01期
关键词：
creep; crack growth; grain boundary carbide; cavity; Fe-Cr15-Ni25; alloy;
D O I：
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学科分类号：
摘要：
Creep crack growth behavior of Fe-Cr15-Ni25 alloys with different grain boundary featureshas been studied.Cavities nucleate at triple junctions of grain boundaries for the single phasealloy and at grain boundary carbide for the alloy with grain boundary carbide.Grain bounda-ry carbide particles are obstacles to cavity growth and coalescence,and therefore increase thecreep crack growth resistance greatly.
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页码：48 / 51
页数：4
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