Wear resistance of Zr/WC composite coatings on Cr12MoV steel surface by electric spark deposition

于华; 龙伟民; 钟素娟; 王军政; 魏世忠

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Wear resistance of Zr/WC composite coatings on Cr12MoV steel surface by electric spark deposition

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Zr/WC composite coating was prepared on the surface of Cr12MoV steel by electric spark deposition technology to change its surface properties. The surface and worn surface morphology of the coating were observed using scanning electron microscope. Dry friction and wear tests of the coatings were carried out at room temperature. The results show that the coating is continuous and uniform, and the thickness was about 50-60 μm. The microhardness of the coating surface was highest at 1140 HV_(200g), which was significantly higher than that of the substrate. The ear tests results show that the wear weight loss, wear volume and wear rate follow the following rules: Cr12MoV>WC coating> Zr/WC composite coating.

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《中国焊接：英文版》 |2019年第1期|35-41|共7页
作者
于华; 龙伟民; 钟素娟; 王军政; 魏世忠;
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作者单位

Material Science & Engineering Colloge;

Henan University of Science Technology;

National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials;

Zhengzhou Research Institute of Mechanical Engineering Co.Ltd.;

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原文格式 PDF
正文语种 chi
中图分类金属学与金属工艺;
关键词
Cr12MoV; Zr/WC; electric; spark; deposition; composite; coating; wear; resistance;

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Wear resistance of Zr/WC composite coatings on Cr12MoV steel surface by electric spark deposition

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