Nucleation of paired twins at grain boundaries in titanium
Nucleation of paired twins at grain boundaries in titanium
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DOI：
10.1016/j.scriptamat.2010.06.027
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发表时间：
2010-10
影响因子：
6
通讯作者：
Leyun Wang;P. Eisenlohr;Y. Yang;T. Bieler;M. Crimp
中科院分区：
文献类型：
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作者：
Leyun Wang;P. Eisenlohr;Y. Yang;T. Bieler;M. Crimp
对α-Ti多晶弯曲试样的变形孪晶进行了实验研究。在一些晶粒对中，相邻晶粒的机械孪晶在晶界处（T+T）重合。基于鉴定出的T+T对，对孪晶取向、孪晶施密德因子、亲本晶粒取向偏差和亲本晶粒尺寸等因素进行了评价。一个几何条件的组合可以解释大多数观测到的T+T对的形成。
An experimental study of deformation twins in a polycrystalline α-Ti bend specimen was performed. In some grain pairs, mechanical twins in adjacent grains were coincident at a grain boundary (T+T). Based on the identified T+T pairs, factors including twin system alignment, twinning Schmid factor, misorientation of the parent grains and parent grain size were assessed. An combination of geometric conditions was identified that can account for the formation of most of the observed T+T pairs.