• CN：11-2187/TH
  • ISSN：0577-6686
机械工程学报

›› 2004, Vol. 40 ›› Issue (6): 196-198.

• 论文 • 上一篇    

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电火花强化WC92Co8复合层界面行为研究

汪瑞军;钱乙余;刘军   

  1. 哈尔滨工业大学现代焊接生产技术国家重点实验室
  • 发布日期:2004-06-15

INTERFACE BEHAVIOR STUDY OF WC92Co8 COATING BY ELECTROSPARK DEPOSITION

Wang Ruijun;Qian Yiyu;Liu Jun   

  1. National Key Laboratory of Advanced Welding Prodution Technology, Harbin Institute of Technology
  • Published:2004-06-15

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摘要： 利用电火花强化技术在合金表面沉积WC92Co8强化层，能够有效改善基体表面性能。采用Ti合金、45 钢为基体材料，研究了WC92Co8强化层与基体间的界面行为。认为电火花强化技术可在金属基体表面制造高熔点材料强化层。其中Ti合金强化层表面由TiC相、W2C相和少量的W组成。显微硬度达到1 129 HV，强化层厚度大于50 mm。Ti合金表面性能发生质的变化。

关键词: WC92Co8, 电火花强化, 界面行为

Abstract: WC92Co8 coating produced by electrospark deposition effectively improves the surface performance of the substrate. The behavior of the interface between the WC92-Co08 coating and the substrate is studied. The high- melting-point WC92-Co08 is deposited onto the surface of Ti alloy, and the coating is usually more than 50 mm thick. The surface of the coating is mainly composed of TiC and W2C besides a small amount of W, and its micro hardness reaches 1 129 HV.The coating dramatically improves the performance of the substrate.

Key words: Electrospark deposition, Interface behavior, WC92Co8

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