通过标定过共晶铝硅合金两相区衍射斑点指数，确定了过共晶相的取向关系。

By indexing the diffraction patterns in the hypereutectic, we get the relationship of crystal orientation.

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其衍射斑点的形态、衬度及条纹变化反映了金刚石晶体结构变形的程度和复杂性。

Contrast and the interior structure of reflexes in Laue patterns indicate the degree and complexity of crystal deformation.

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通过TEM—SAD同步原位分析，给出了裂纹扩展和DF Z内晶面畸变的对应过程，通过分析衍射斑点的变化，确定出晶面的畸变有压缩、倾转和局部弯曲等形式。

Synchronized analyses on the process of crack propagation and the lattice plane distortion changing in the DFZ were carried out by using the in situ technique under TEM-SAD.

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