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旋转定向法测定钼合金单晶晶体取向

China Molybdenum Industry(2019)

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Abstract
利用X射线衍射仪采用旋转定向法对钼合金单晶((111)晶面)样品进行晶体取向的测定,并通过计算得到晶向偏离角.本文对旋转定向法测定晶体取向的测试原理进行了详细阐释,同时对单晶样品出现不同类型谱线的原因进行讨论.结果表明:当摇摆曲线呈单峰时,说明晶面与宏观表面完全平行;当摇摆曲线呈双峰时,说明此时晶向偏离角不为0;当摇摆曲线呈多峰时,说明单晶样品内部有亚晶出现.
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