文献类型：期刊文献

英文题名：Effect of Substrate Preheating Temperature on the Microstructure and Properties of Laser Cladding Fe/TiC Composite Coating

作者：Shi, Wenqing[1,2];Cheng, Cai[1];Zhang, Bingqing[1];An, Fenju[3];Li, Kaiyue[1];Xiong, Zhaoting[2];Xie, Yuping[1];He, Kuanfang[4]

机构：[1]Guangdong Ocean Univ, Sch Elect & Informat Engn, Zhanjiang 524088, Peoples R China;[2]Guangdong Ocean Univ, Sch Mat & Engn, Zhanjiang 524088, Peoples R China;[3]Guangdong Ocean Univ, Sch Mech & Power Engn, Zhanjiang 524088, Peoples R China;[4]Foshan Univ, Sch Mechatron Engn & Automat, Foshan 528000, Peoples R China

年份：2024

卷号：12

期号：6

外文期刊名：LUBRICANTS

收录：SCI-EXPANDED(收录号：WOS:001256737500001)、、Scopus(收录号：2-s2.0-85197945873)、WOS

基金：The National Natural Science Foundation of China (62073089); the Special Projects in KeyFields of Guangdong Colleges and Universities (2020ZDZX2061); the Postgraduate Education Innovation Project of Guangdong Ocean University (040502752328); the Special Funds for the Cultivation ofGuangdong College Students' Scientific and Technological Innovation. ("Climbing Program" SpecialFunds) (pdjh2023a0242)

语种：英文

外文关键词：laser cladding; preheating temperature; composite coating; friction and wear; electrochemistry

外文摘要：In this study, Fe/TiC composite coating was fabricated on the surface of 65Mn steel using substrate preheating combined with laser cladding technology. In order to characterize the impact of various preheating temperatures, four coatings were fabricated on a 65Mn substrate using laser cladding at different temperatures (ambient temperature, 100 degrees C, 200 degrees C, and 300 degrees C). The microstructures and properties of four Fe/TiC composite coatings were investigated using SEM, XRD, EDS, a Vickers microhardness meter, a wear tester, and an electrochemical workstation. The research results show that the cladding angle of the Fe/TiC composite coating initially increases and then decreases as the substrate preheating temperature rises. The solidification characteristics of the Fe/TiC composite coating structure are not obviously changed at substrate preheating temperatures ranging from room temperature to 300 degrees C. However, the elemental distribution within the cladding layer was significantly influenced by the preheating temperature. An increase in the preheating temperature led to a more uniform elemental distribution. Regarding the comprehensive properties, including hardness, wear characteristics, and corrosion resistance, the optimum substrate preheating temperature for the cladding layer was found to be 300 degrees C.