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Author:

夏涛 (夏涛.) | 陈子勇 (陈子勇.) (Scholars:陈子勇) | 聂祚仁 (聂祚仁.) (Scholars:聂祚仁)

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CQVIP PKU CSCD

Abstract:

采用光学金相显微镜、扫描电镜、能谱仪、X射线物相分析仪和透射电镜等研究了Al-10Zn-1.77Mg-1.0Cu-0.13Zr铝合金的微观组织演变和力学性能.结果表明:合金铸态组织为枝晶结构,主要存在α(A1)和η相(MgZn2).双级均匀化处理后,铸态枝晶组织完全消除,非平衡共晶组织几乎完全回溶进基体.时效处理后,晶内析出相为针状η''相和球状GP区,晶界沉淀相η相沿晶界断续分布,晶界无析出区宽约23nm.基体沉淀相、晶界沉淀相以及晶界无析出区的良好匹配,使Al-10Zn-1.7 7Mg-1.0Cu-0.13Zr合金不仅具有超高的抗拉强度,同时还拥有良好的塑性.

Keyword:

Al-Zn-Mg-Cu系合金 抗拉强度 微观组织

Author Community:

  • [ 1 ] [夏涛]北京工业大学
  • [ 2 ] [陈子勇]北京工业大学
  • [ 3 ] [聂祚仁]北京工业大学

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Source :

热加工工艺

ISSN: 1001-3814

Year: 2015

Issue: 2

Volume: 44

Page: 50-53

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 8

Chinese Cited Count:

30 Days PV: 6

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