OALib Journal期刊
ISSN: 2333-9721
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金属间化合物FeAl超塑性变形中的位错特征
, PP. 225-230
Keywords: 金属间化合物,FeAl,超塑性,位错,晶界
Abstract:
利用透射电子显微镜研究了金属间化合物FeAl超塑性变形后的位错组态。研究结果表明,变形过程中原始大晶粒被亚晶粒分割,亚晶界对亚晶粒内部位错的吸收导致亚晶界向小角度晶界演化.同时,亚晶粒又可再次被亚晶界分割,重复上述演化过程。如此使超塑性变形进行下去
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