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首页> 外文会议>EPD congress;TMS annual meeting exhibition >ISOTHERMAL BAINITE TRANSFORMATION OF CR5 STEEL UNDER PULSED CURRENT AND PULSED MAGNETIC FIELD TREATMENT
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ISOTHERMAL BAINITE TRANSFORMATION OF CR5 STEEL UNDER PULSED CURRENT AND PULSED MAGNETIC FIELD TREATMENT

机译：脉冲电流和脉冲磁场处理对CR5钢的等温贝氏体转变

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摘要

Pulsed current and pulsed magnetic field have been applied to the bainite transformation of Cr5 steel. Three groups of experiments were conducted. In the first group, ordinary resistance furnace was used for heat treatment. The Cr5 specimens were rapidly heated up to austenitization temperature 940 °C, held for 20 min, air cooled to bainite transformation temperature 350 °C, held for 10, 20, or 40 min and then air cooled to room temperature. The second and the third group shared the same temperature-time curve with that of the first group, but their heat resources came from the Joule heat produced by pulsed current. 1.5 T pulsed magnetic field was exerted on the third group specimens when they were held at 350 °C, but the second group specimens did not undergo the treatment of magnetic field. It was found that both pulsed current and pulsed magnetic field obviously retarded the bainite transformation. The phenomena were discussed in terms of literature results.
机译：脉冲电流和脉冲磁场已应用于Cr5钢的贝氏体转变。进行了三组实验。在第一组中，使用普通电阻炉进行热处理。将Cr5试样快速加热至奥氏体化温度940°C，保持20分钟，空气冷却至贝氏体转变温度350°C，保持10、20或40分钟，然后空气冷却至室温。第二组和第三组与第一组具有相同的温度-时间曲线，但是它们的热资源来自脉冲电流产生的焦耳热。当第三组试样在350℃下保持1.5 T脉冲磁场时，第二组试样未经过磁场处理。发现脉冲电流和脉冲磁场都明显地阻碍了贝氏体的转变。根据文献结果讨论了这种现象。

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