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本文给出了淬火温度对冷轧辊钢86CrMoV7的耐磨性及韧性的影响,它反映了轧辊的耐用性及抗事故性。为此,测定了经840～1020℃不同温度淬火后的组织、晶粒度、碳化物量、马氏体合碳量、硬度、耐磨性、平面应变断裂韧性及断口;分别讨论了组织、晶粒度、碳化物量、马氏体含碳量对硬度、耐磨性及平面应变断裂韧性的影响。最后,根据对实验结果的分析提出了实际生产过程中制订热处理工艺时应考虑的某些原则。
In this paper, the influence of quenching temperature on the wear resistance and toughness of cold rolled steel 86CrMoV7 is given, which shows the durability and accident resistance of the roll. Therefore, the microstructure, grain size, amount of carbide, carbon content of martensite, hardness, wear resistance, plane strain fracture toughness and fracture were measured after quenching at different temperature from 840 ℃ to 1020 ℃. Effect of Particle Size, Carbide Amount and Martensite Carbon Content on Hardness, Wear Resistance and Plane Strain Fracture Toughness. Finally, based on the analysis of experimental results, some principles that should be considered in formulating heat treatment process are put forward in the actual production process.