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author:

杨晓华 (杨晓华.) [1] (Scholars:杨晓华) | 梁伟 (梁伟.) [2] | 杨德庄 (杨德庄.) [3]

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Abstract:

双相TiAl基合金塑性变形的微观机制分析表明,由于γ相仅通过普通位错的滑移和形变孪生不能任意改变形状,所以不能满足多晶体TiAl基合金晶粒间产生协调变形的必要条件.根据上述分析推导出多晶体TiAl基合金室温下断裂应变εf和晶粒直径d的关系为:εf=n/(d+b)+c,上式与文献报道的实验结果非常吻合.

Keyword:

TiAl基合金 断裂应变 晶粒尺寸

Community:

  • [ 1 ] [杨晓华]福州大学
  • [ 2 ] [梁伟]太原理工大学
  • [ 3 ] [杨德庄]哈尔滨工业大学

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Source :

有色金属

ISSN: 1001-0211

CN: 11-1838/TF

Year: 2000

Issue: 4

Volume: 52

Page: 80-82

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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