In-situ straining observation on crack initiation and growth in an intermetallic Al_67Mn_8 Ti_25 alloy

Wen Jiuba; Rong Yonghua; Chen Shipu

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In-situ straining observation on crack initiation and growth in an intermetallic Al_67Mn_8 Ti_25 alloy

机译：Al_67Mn_8 Ti_25金属间合金的裂纹萌生与扩展的原位应变观察

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In -situ straining SEM observations of an intermetallic Al_67Mn_8Ti_25 alloy were carried out on sheet specimens containing notch with root radius about 100 μm. The results show that the crack initiation occurs at notch root along grain boundary, and it grows very rapidly in transgranular manner. During the crack grow - ing, some crack branches and segments are formed.

机译：原位应变SEM观察了金属间化合物Al_67Mn_8Ti_25合金的片状试样，该试样包含有缺口，其根部半径约为100μm。结果表明，裂纹萌生发生在沿晶界的缺口根部，并以跨晶方式快速增长。在裂纹扩展过程中，会形成一些裂纹分支和片段。

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来源
《Transactions of Nonferrous Metals Society of China》 |1999年第4期|p.810-813|共4页
作者
Wen Jiuba; Rong Yonghua; Chen Shipu;
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原文格式 PDF
正文语种 eng
中图分类有色金属冶炼;矿业工程;
关键词
Al_3Ti alloys; in-situ observation; crack propagation;

机译：Al_3Ti合金;现场观察;裂纹扩展;

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In-situ straining observation on crack initiation and growth in an intermetallic Al_67Mn_8 Ti_25 alloy

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