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author:

杨晓华 (杨晓华.) [1] (Scholars:杨晓华) | 杨武林 (杨武林.) [2] | 兑卫真 (兑卫真.) [3] (Scholars:兑卫真) | 李晓延 (李晓延.) [4]

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CQVIP PKU CSCD

Abstract:

采用光学显微镜和场发射扫描电镜观察了TC4钛合金激光焊接接头的显微组织,测量了接头焊缝中心到母材的显微硬度.结果表明,母材由α相和其相界上断续分布的粒状β相组成.焊接接头组织由粗大等轴晶区、柱状晶区、细等轴晶区和热影响区过热组织组成.粗大等轴晶区组织形态有层片状α+β、魏氏体α和网篮状α+β3种,其显微硬度略低于柱状晶区和细等轴晶区,但比母材高;柱状晶区和细等轴晶区组织为针状马氏体,柱状晶区显微硬度相对较高.热影响区显微硬度与母材相差不大.

Keyword:

TC4合金 微观组织 激光焊接

Community:

  • [ 1 ] [杨晓华]福州大学
  • [ 2 ] [杨武林]中国兵器科学研究院
  • [ 3 ] [兑卫真]福州大学
  • [ 4 ] [李晓延]北京工业大学

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Source :

材料热处理学报

ISSN: 1009-6264

CN: 11-4545/TG

Year: 2014

Issue: 10

Volume: 35

Page: 70-74

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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