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.
将铝硅过共晶合金凝固过程中析出的初生硅颗粒视为夹杂物颗粒。
The primary silicon particles precipitating from the solidification of Al-Si hypereutectic alloy was regarded as inclusions.
对快速凝固过共晶铝硅合金材料的成分、组织结构特点，制备理论及工艺，性能及其强化机理进行了综合评述。
The composition and microstructure characteristics, processing theory and technology, properties and strengthen mechanism of this kind of materials were reviewed.
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