The effect of Rare Earth (re) on the metallurgical quality of A356 alloy which was modified with Strontium (Sr) was investigated in this paper.

考察了稀土对锶变质a356合金冶金质量的影响，以减压凝固试样密度来评定熔体中氢含量水平。

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The billets with uniformly distributed microstructure in rheo-casting are beneficial to obtaining the A356 alloy die castings with perfect quality.

流变压铸试片的组织分布很均匀，利于获得高质量的半固态a 356合金压铸件。

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Semi-solid slurry of A356 alloy is prepared by compound process, and the fractal characteristic of morphology in semi-solid primary phase is studied.

利用复合工艺制备了A356铝合金半固态浆料，研究了半固态A356铝合金初生相形貌的分形特征。

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