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Research on Carburizing Distortion of Automobile Transmission Gearbox Gear

XU Ming-da

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Abstract

In this paper,process parameters of carburizing and quenching for 20CrMnTi carburizing steel are studied by pit carburizing furnace,and their influence on microstructure,mechanical properties,micro-hardness and residual stress is researched by physics and chemistry,quantity testing methods for 20CrMnTi steel gear.The residual austenite and the concentration distribution are measured,the best carburizing temperature and holding time etc.carburizing process parameters are determined,so as to reduce production costs.

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What this paper is about

In this paper,process parameters of carburizing and quenching for 20CrMnTi carburizing steel are studied by pit carburizing furnace,and their influence on microstructure,mechanical properties,micro-hardness and residual stress is researched by physics and chemistry,quantity testing methods for 20CrMnTi steel gear.The residual austenite and the concentration distribution are measured,the best carburizing temperature and holding time etc.carburizing process parameters are determined,so as to reduce production costs.

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Available abstract

In this paper,process parameters of carburizing and quenching for 20CrMnTi carburizing steel are studied by pit carburizing furnace,and their influence on microstructure,mechanical properties,micro-hardness and residual stress is researched by physics and chemistry,quantity testing methods for 20CrMnTi steel gear.The residual austenite and the concentration distribution are measured,the best carburizing temperature and holding time etc.carburizing process parameters are determined,so as to reduce production costs.

Key concepts: Carburizing, Materials science, Quenching (fluorescence), Residual stress, Metallurgy, Distortion (music), Microstructure, Austenite

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