激光熔覆Co08-xNi60WC涂层

IF 2.1 4区 材料科学 Q2 MATERIALS SCIENCE, CERAMICS
Yuan Ge, Rui Shi, Dejun Kong
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引用次数: 0

摘要

采用往复磨损试验机和电化学工作站对激光熔覆Co08涂层在3.5% NaCl溶液中的摩擦腐蚀性能和电化学性能进行了研究。结果表明:Co08-xNi60WC涂层由Co(Ni, Cr, W, Mo)、Ni60WC、W2C和WC相组成,Ni60WC的加入提高了涂层的硬度;Co-xNi60WC涂层的摩擦系数和磨损率随Ni60WC质量分数的增加而降低,磨损形式由疲劳磨损转变为氧化磨损和粘附磨损,表明WC的加入提高了涂层的耐磨性。Co08-xNi60WC涂层的电荷转移电阻Rct随Ni60WC质量分数的增加而增大,相应的nct也随之增大,表明Co08-30%Ni60WC在三种涂层中具有最佳的耐蚀性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Laser cladded Co08–xNi60WC coatings

The tribocorrosion and electrochemical performances of laser cladded Co08 coating in 3.5% NaCl solution was improved by the addition of Ni60WC, which were carried out using a reciprocating wear tester and an electrochemical workstation. The results show that the Co08–xNi60WC coatings are composed of Co(Ni, Cr, W, Mo), Ni60WC, W2C and WC phases, and their hardness is increased by the addition of Ni60WC. The coefficients of friction and wear rates of Co–xNi60WC coatings are decreased with the Ni60WC mass fraction, and the wear form is changed from fatigue wear to oxidation wear and adhesion wear, indicating that the wear resistance is enhanced by the addition of WC. The charge transfer resistance Rct of Co08–xNi60WC coatings is increased with the Ni60WC mass fraction, and the corresponding nct is also increased, showing that the Co08–30%Ni60WC has the best corrosion resistance among the three kinds of coatings.

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来源期刊
Journal of the Australian Ceramic Society
Journal of the Australian Ceramic Society Materials Science-Materials Chemistry
CiteScore
3.70
自引率
5.30%
发文量
123
期刊介绍: Publishes high quality research and technical papers in all areas of ceramic and related materials Spans the broad and growing fields of ceramic technology, material science and bioceramics Chronicles new advances in ceramic materials, manufacturing processes and applications Journal of the Australian Ceramic Society since 1965 Professional language editing service is available through our affiliates Nature Research Editing Service and American Journal Experts at the author''s cost and does not guarantee that the manuscript will be reviewed or accepted
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