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Author:

胡新林 (胡新林.) | 钱鸣 (钱鸣.)

Indexed by:

Scopus CSCD

Abstract:

采用预置式两步激光熔覆的方法在汽车发动机用AZ91合金表面进行了等离子喷涂+激光熔覆改性处理,通过金相、扫描电镜、XRD、硬度和极化曲线等测试手段,研究了激光熔覆Al-Si层的显微组织和耐腐蚀性能。结果表明,激光熔覆层主要由α-Al和(α-Al+β-Si )共晶组织组成;激光熔覆层的显微硬度要高于等离子喷涂层,且两种涂层的显微硬度都要高于基体合金;改性层和基体合金的耐腐蚀性能从高至低依次为:激光熔覆层>等离子喷涂层>AZ91合金。

Keyword:

腐蚀 硬度 AZ91合金 激光熔覆

Author Community:

  • [ 1 ] [胡新林]安徽机电职业技术学院
  • [ 2 ] [钱鸣]北京工业大学

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Source :

金属热处理

ISSN: 0254-6051

Year: 2016

Issue: 4

Volume: 41

Page: 170-174

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 6

Chinese Cited Count:

30 Days PV: 1

Affiliated Colleges:

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