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Twin intersection in a deformed TiAl alloy

机译:TiAl合金中的双相交点

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摘要

Twin intersection in a deformed TiAl alloy was studied. Whether type I twin intersection or type II twin intersection appears is related to the fact that which kind of twinning dislocation will be activated. If the Shockley partial of Burgers vector #gamma#D in matrix is activated, the type I twin intersection often appears. Otherwise the type II twin intersection appears. The appearance ratio of the type I twin intersection to the type II twin intersection is 1:2 The straight penetration in the type II twin intersection is observed. This kind of intersection can be accomplished by a shear plus reshuffle process.
机译:研究了变形TiAl合金中的双相交。出现I型孪生相交还是II型孪生相交与以下事实有关:将激活哪种孪生位错。如果矩阵中Burgers向量#gamma#D的Shockley部分被激活,则通常会出现I型孪生相交。否则,将出现II型双相交路口。 I型双生相交与II型双生相交的出现比为1:2。在II型双生相交中观察到笔直穿透。这种相交可以通过剪切加改组过程来完成。

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