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Author:

符定梅 (符定梅.) | 王开明 (王开明.)

Indexed by:

CQVIP

Abstract:

通过使用6 kW光纤激光器在42CrMo钢表面激光熔覆NiCrBSi合金涂层,研究了激光扫描速度对NiCrBSi熔覆层的宏观成形、显微组织和硬度的影响.采用金相显微镜、扫描电镜、显微硬度计等,对熔覆层的宏观尺寸、显微组织和硬度等进行了测试分析.结果表明,随着激光扫描速度的增加,熔覆层的熔宽、熔高、熔深和热影响区宽度都降低,熔覆层的稀释率稍有增加;熔覆层与基体为良好的冶金结合,熔覆层的组织随着扫描速度的增加得到细化,熔覆层的硬度先增加然后降低.

Keyword:

42CrMo钢 扫描速度 成形 尺寸 激光熔覆

Author Community:

  • [ 1 ] [符定梅]中冶建筑研究总院有限公司
  • [ 2 ] [王开明]北京工业大学

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Source :

机械工程师

ISSN: 1002-2333

Year: 2017

Issue: 8

Page: 97-100

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 1

Chinese Cited Count:

30 Days PV: 0

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