Optimization of Processing Parameters for Minimum Residual Stress and Maximum Wear Resistance During Gas Nitration of 4140 Steel
نویسندگان
چکیده
Several surface treatments has been applied to the 4140 specimens which are exposed frictional conditions like gears in order increase wear resistance and hardness. Nitration is a common method improve hardness of surfaces. However, parameters must be chosen wisely. The temperature, time, flow rate during nitration SAE steels were optimized this study. ranges for selected as 470⁰C - 520⁰C 570⁰C, 7h 9h 12h 6m3/h 7.5m3/h 9m3/h time respectively. Residual stress, measured specific experiments together with microscopic observations. process threaded part was completed using parameters. As result study, it observed that maximum minimum residual stress values obtained by 470⁰C, 12h, 9m3/h.
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ژورنال
عنوان ژورنال: Politeknik dergisi
سال: 2022
ISSN: ['1302-0900', '2147-9429']
DOI: https://doi.org/10.2339/politeknik.993934