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Microstructure and Wear Resistance of Ductile Cast Iron Laser Clad with Ni-Ti-Co-C 被引量:3

Microstructure and Wear Resistance of Ductile Cast Iron Laser Clad with Ni-Ti-Co-C
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摘要 Using electrode as laser cladding materials, the microstructure and wear resistance of laser clad layer of ductile cast iron was studied. The laser clad layer can be subdivided into the melted zone where existed large amounts of austenite, graphite nodules and some carbides, and the solid state transformation zone which included martensite and austenite below the melted zone. The Ti combined with C to form TiC increasing the wear resistance; The Co significantly increased the wear resistance compared with Ti. Using electrode as laser cladding materials, the microstructure and wear resistance of laser clad layer of ductile cast iron was studied. The laser clad layer can be subdivided into the melted zone where existed large amounts of austenite, graphite nodules and some carbides, and the solid state transformation zone which included martensite and austenite below the melted zone. The Ti combined with C to form TiC increasing the wear resistance; The Co significantly increased the wear resistance compared with Ti.
机构地区 Jilin Univ Technol
出处 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 1999年第3期222-224,共3页 材料科学技术(英文版)
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