本文推导了表征两套晶格间的位向关系的标识矢量方法到Euler角方法的转换关系,基于这个关系可以根据背散射电子衍射(EBSD)数据对少变体的系统进行拟合,获得各变体相互自洽的位向关系精确定量描述.本方法比高指数极图拟合的方法适用性更广,因为后者受最低变体数量的局限.以不锈钢的实验结果为例介绍了该方法的应用,检测出变体之间接近但不等于孪晶的取向差关系.
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