研究了二元Al-Si合金的力学性能、氢含量和原子密度并分析了它们之间的关系,结果表明,Al-Si合金的力学性能在共晶点附近达到最佳值,其溶氢能力随Si含量的增加呈V形变化并在共晶点附近达到最小值,而原子密度则呈倒V形变化Al-Si合金力学性能的变化是其液、固态微观结构演化综合作用的结果近共晶成分的Al-Si合金有良好的综合性能.
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