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yemupiaoye新蟲 (小有名氣)
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[交流]
TiAl合金孿生行為 已有1人參與
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| 在TiAl合金中,在[001]方向上進行拉伸,twinning is forbidden due to disordering這句話是什么意思? |
新蟲 (小有名氣)
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非常感謝咯,y相是面心四方晶體結(jié)構(gòu),孿生的位移矢量為1/6<11-2],孿生面為{111}。In a single crystal of y-TiAl with the c-axis in transverse direction (TD) and one a-axis in rolling direction (RD) only (101)superdislocation slip can be activated by loading along TD. The Schmid factor for the ordinary dislocations is zero and the twinning is forbidden due to the disordering. |
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