• CN:11-2187/TH
  • ISSN:0577-6686

›› 2001, Vol. 37 ›› Issue (11): 96-98.

• 论文 • 上一篇    下一篇

超音速火焰喷涂涂层特性研究

王志平;董祖珏;霍树斌;李丽;王刚   

  1. 哈尔滨焊接研究所;沈阳大学
  • 发布日期:2001-11-15

RESEARCH OF COATINGS PROPERTIES DEPOSITED WITH HVOF

Wang Zhiping;Dong Zujue;Huo Shubin;Li Li;Wang Gang   

  1. Harbin Research Institute of Welding Shenyang University
  • Published:2001-11-15

摘要: 研究分析了WC-Co和NiCrBSI两种超音速火焰喷涂涂层的内聚结合强度、残余应力、显微组织结构、孔隙率、显微硬度和耐磨性能。对热喷涂涂层残余应力的测试与分析采用了改进的Almen试验方法,并测得了客观的涂层残余应力及其与涂层厚度和喷涂工艺的关系。应用单摆冲击划痕试验法测得了热喷涂涂层内聚结合强度。

关键词: NiCrBSi, WC-12Co, 超音速火焰喷涂

Abstract: The properties of WC-Co and NiCrBSi coatings deposited with HVOF, such as adhesion, residual stress, microstructure, porosity, microhardness and wear resistance, are studied and analyzed. With the modified Almen test, the reliable residual stress in a thermal sprayed coating is obtained, and the relationships between the residual stress and coating thickness or spray techniques are also presented. The single pendulum impact scratch test is used to measure the adhesion of a thermal sprayed coating.

Key words: HVOF, NiCrBSi, WC-12Co

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