{"title":"Laser cladded Co08–xNi60WC coatings","authors":"Yuan Ge, Rui Shi, Dejun Kong","doi":"10.1007/s41779-025-01187-y","DOIUrl":null,"url":null,"abstract":"<div><p>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, W<sub>2</sub>C 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 <i>R</i><sub>ct</sub> of Co08–xNi60WC coatings is increased with the Ni60WC mass fraction, and the corresponding <i>n</i><sub>ct</sub> is also increased, showing that the Co08–30%Ni60WC has the best corrosion resistance among the three kinds of coatings.</p></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"61 4","pages":"1503 - 1513"},"PeriodicalIF":2.1000,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Australian Ceramic Society","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s41779-025-01187-y","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
引用次数: 0
Abstract
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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Journal of the Australian Ceramic Society since 1965
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