La对快速凝固Al-Ti合金热强性能的影响

1.郑州大学,工学院,工程力学系,河南,郑州,450002

2.郑州大学,工学院,工程力学系,河南,郑州,450002

基金项目: 国家高技术研究发展计划(863计划)(715-24-26-02-02)

Effect of La on Rapidly Solidified Elevated-Temperature Al-Ti Alloy

在快速凝固Al-Ti合金中加入La可以有效地增加合金的过冷度,优先形成的金属间化合物相Al20Ti2La细小、圆整、弥散、热稳定性好,极大地改善了快速凝固Al-Ti合金的热强性能.

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[2]	Wang JQ.;Tseng MK.;Doncel GG.;Zhang BJ. .Effect of rare-earth elements on the microstructural characterization in rapidly quenched thermally strengthened aluminium alloys[J].Journal of Materials Science,1998(2):497-505.
[3]	Yang M S;Shen N F;Tang Y L .Identification of Al20Ti2La particles in rapidly solidified Al-Ti-La alloy[J].Journal of Materials Science Letters,1995,14:1664-1667.

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