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探讨稀土元素在快速凝固Al-Ti合金中的作用 被引量:1

The effect of rare earth element La on rapidly solidified elevated-temperature Al-Ti alloy
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摘要 在快速凝固 Al- Ti合金中加入稀土元素 L a可以有效的增加合金的过冷度 ,抑制平衡相 Al3Ti,亚稳相 Al4 Ti,优先形成细小、园整、弥散的金属间化合物相 Al2 0 Ti2 L a,该化合物相具有优良的热稳定性 ,极大的改善了快速凝固 Al- Rapidly solidified Al Ti alloys contains rare earth element La can increase undercooling, can produce fine, uniform dispersion intermetallic phase,with promise of good thermal stability. So, rare earth element can improve mechanics property of RS Al Ti alloy for elevated temperature applications.
作者 杨明珊
出处 《河南师范大学学报(自然科学版)》 CAS CSCD 2003年第3期55-57,共3页 Journal of Henan Normal University(Natural Science Edition)
基金 国家"8 6 3"资助项目 (71 5 - 2 4 - 2 6 - 0 2 - 0 2 )
关键词 Al-Ti合金 稀土元素 快速凝固 热强性能 热稳定性 金属间化合物 力学性能 rare earth element rapid solidification Al Ti alloy intermetallic compound
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参考文献3

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  • 3Yang M S, Shen N F, Tang Y L. Identification of A120Ti2La particles in rapidly solidified Al-Ti-La alloy [J]. J Mater Sci Letters, 1995, 14:1 664-1 667.

同被引文献18

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