Effect of Transformation Plasticity on Gear Distortion and Residual Stresses in Carburizing Quenching Simulation
Source abstract
Abstract
This paper addresses the effect of gear steel on distortion and residual stresses due to phase transformation in carburizing and quenching. In particular, the martensitic and bainitic phase transformation expansion and transformation plasticity properties of two automotive gearbox steels (20CrMnTiH and 20MnCr5) and their physical parameters are measured by experiments of transformation plasticity properties. Numerical simulations of the actual carburizing and quenching process of the gearbox spline helical gears were carried out in combination with the thermal and mechanical properties with temperature variations calculated by the material design software JMAT-Pro. In particular, the phase transformation properties of the two materials and their influence on the distortion and residual stresses after carburizing and quenching were verified by experiments of transformation plasticity and numerical simulations. A reliable basis is provided for predicting the distortion mechanism of gear steels in carburizing and quenching.
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Research context
OpenAlex topics: Microstructure and Mechanical Properties of Steels · Metal Alloys Wear and Properties · Advanced machining processes and optimization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Information System, Saitama Institute of Technology, Fukaya 3690293, Japan
Saitama Institute of Technology, Fukaya 3690293, Japan
Ningbo Haizhi Institute of Material Industry Innovation, Ningbo 315000, China
Graduate School of Science and Engineering, Chiba University, Chiba 263-8522, Japan
School of Mechanical Engineering, Hebei University of Technology, Tianjin 300131, China
Parts Development Department, Zhejiang Wanliyang Co., Ltd., Hangzhou 310024, China
References (20)
Show source-provided references
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