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La对快速凝固Al-Ti合金热强性能的影响 被引量:3

Effect of La on Rapidly Solidified Elevated-Temperature Al-Ti Alloy
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摘要 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。 Rapidly solidified AlTi alloy containing La can increase undercooling,produce fine and uniform dispersion intermetallic phase and increase thermal stabilitySo,La can improve mechanical property of RS AlTi alloy for elevated-temperature applications.
出处 《稀土》 EI CAS CSCD 北大核心 2003年第2期34-36,共3页 Chinese Rare Earths
基金 国家"863"资助项目(715-24-26-02-02)
关键词 快速凝固 热强铝合金 lanthanum rapid solidification elevated -temperature Al alloy
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参考文献3

  • 1Grant N J. Recent trends and developments with rapidly solidified materials [J]. Metall Trans, 1992,23A: 1083.
  • 2Wang J Q, Zhang B J, Tseng MK. Effect of rare-earth elements on the microstructural characterization in rapidly quenched thermally strengthened aluminium alloys [J].J Mater Sci, 1998,33 : 497-505.
  • 3Yang M S,Shen N F,Tang Y L. Identification of Al20Ti2La particles in rapidly solidified A1-Ti-La alloy[J]. J Mater Sci Letters, 1995,14: 1664-1667.

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