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Microstructure and Wear Resistance of Plasma Surface Layers Based of Alloy Mixture CuSn10/CrxCy
Journal: Tribology in Industry (Vol.44, No. 2)Publication Date: 2022-06-15
Authors : Andrey Evgenievich Balanovskiy Van Trieu Nguyen Natalia Anatolyevna Astafeva Van Huy Vu;
Page : 212-220
Keywords : Microstructure; Wear resistance; Tin-bronze; OK 84.78; Microhardness; Chemical composition; Clad layer; Plasma heating;
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Abstract
The article relates to the study of the microstructure and wear resistance of the surface layers obtained by plasma heating of the powder-clad layer of the CuSn10 alloy and the coating of the OK 84.78 welding electrode. Microstructure studies, hardness measurements and wear tests have shown that coatings based on a tin-bronze alloy and with the addition of OK 84.78 are successfully obtained. Coating from CuSn10 + 20% alloy mixture OK 84.78 has a hardness of about 500-700 HV, and from CuSn10 alloy it is about 310-564 HV. Meanwhile, the wear resistance also increases in series: Steel St3 < coating (CuSn) < coating (CuSn + 20% OK 84.78).
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Last modified: 2022-10-24 19:33:19