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摘要: 非晶Ni-P合金晶化过程中生成的六角亚稳相晶体有四种不同取向,用选区电子衍射证明它们之间存在孪晶生长关系。四种晶体共有一个面心立方亚点阵,孪晶关系可用绕此立方亚点阵的轴旋转90o得出。
Abstract: The hexagonal metastable phase formed in an amophous Ni-P alloy during crystallization exhibits four different orientations. It is shown by SAD that they are four-fold rotation twins around [021]. These four crystals have a common fcc sublattice and their twin relationship may be described by a rotation of 90o about one of the axes of the sublattice.