快速凝固铝铿合金是一种低密度、高强度、高弹性模量的引人注目的新型航空航天结构材料。

Rapidly solidified aluminum-lithium alloys are conspicuous aeronautic and astro- nautic structural materials with low density, high strength and high modulus of elasticity.

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铝基非晶合金的研究在最近些年得到了重视，这缘于人们对高强度低密度材料的需求。

The research of Al-based amorphous alloy is regarded in recent years because of the demand in high strength-low density materials.

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过共晶铝硅合金具有低密度、良好的热稳定性和高耐磨性，是一种理想的耐磨耐热材料。

Hypereutectic Al-Si alloy with the quality of low density, good heat stability and high wear-resistance, is an ideal wear-resistant and heat-resistant material.

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