Transactions of Materials and Heat Treatment

Title：Hot deformation behavior and hot processing map of ZGMn13Cr2 steel

Authors： Zhang Peiyan

Unit： (School of Mechanical and Electrical Engineering Zhengzhou Tourism College Zhengzhou 451464 China)

KeyWords： ZGMn13Cr2 steel hot deformation behavior hot processing map excavator bucket teeth forging process

ClassificationCode：TG314.3

year,vol(issue):pagenumber：2024,49(9):27-34

Abstract：

To study the hot deformation behavior and hot processing map of ZGMn13Cr2 steel, the high-temperature compression experiments were conducted by

hot simulation testing machine Gleeble-3500, and the true stress-true strain curves of ZGMn13Cr2 steel were obtained under the deformation temperatures of 900, 1000, 1100 and 1200 ℃, and the strain rates of 0.01, 0.1, 1 and 10 s-1. Then, the rheological stress change laws under different deformation conditions were analyzed, and based on the experimental data, the Arrhenius constitutive equation and the hot processing map of ZGMn13Cr2 steel were obtained by linear fitting. Furthermore, for a certain model of excavator bucket teeth, the hot processing properties of the material were studied, and the forging process of excavator bucket teeth was formulated and simulated by numerical simulation software. Finally, the process parameters obtained from the simulation were verified by process experiments. The research results indicate that the optimal hot processing parameters of ZGMn13Cr2 steel is the deformation temperature of 1057-1167 ℃, and the strain rate of 0.2-0.5 s-1. The forgings of bucket teeth obtained from the process test is fully filled, which is basically consistent with the simulation results. The research results provide a certain theoretical basis for the formulation of forging process parameters for ZGMn13Cr2 steel and the actual forging production of excavator bucket teeth.

Funds：

基金项目:河南省高等学校重点科研项目(24B430021)；河南省高等教育教学改革研究与实践项目（2024SJGLX0737）

作者简介：张培彦（1979-），男，硕士，副教授 E-mail：zpy20240530@163.com

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