感应加热表面淬火的工件材料一般为中碳钢。
Induction surface hardening of the workpiece material is usually carbon steel.
分析了工件的温度场，初步探讨了搓滚工艺参数对表面淬火的影响。
The temperature field of workpiece was analyzed, and the influence on surface quenching of technological parameters was primary studied.
试验表明：经过表面淬火的铸钢和经过贝氏体淬火的球墨铸铁，其接触疲劳寿命和耐磨性大幅度提高。
The test indicates that contact fatigue life and wear resistance of surface quenched casting steels and Bainite quenched spherical cast iron are increased largely.
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