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    郭亮, 李元元, 李小强, 杨俊逸, 杨超, 刘允中, 陈维平. 轴向交变磁场对电场活化烧结工艺温度场影响的数值模拟[J]. 机械工程材料, 2007, 31(1): 70-73.
    引用本文: 郭亮, 李元元, 李小强, 杨俊逸, 杨超, 刘允中, 陈维平. 轴向交变磁场对电场活化烧结工艺温度场影响的数值模拟[J]. 机械工程材料, 2007, 31(1): 70-73.
    shu
    GUO Liang, LI Yuan-yuan, LI Xiao-qiang, YANG Jun-yi, YANG Chao, LIU Yun-zhong, CHEN Wei-ping. Numerical Simulation about Influence of Axial Alternating Magnetic Field on Temperature Field in EFAST[J]. Materials and Mechanical Engineering, 2007, 31(1): 70-73.
    Citation: GUO Liang, LI Yuan-yuan, LI Xiao-qiang, YANG Jun-yi, YANG Chao, LIU Yun-zhong, CHEN Wei-ping. Numerical Simulation about Influence of Axial Alternating Magnetic Field on Temperature Field in EFAST[J]. Materials and Mechanical Engineering, 2007, 31(1): 70-73.
    shu

    轴向交变磁场对电场活化烧结工艺温度场影响的数值模拟

    Numerical Simulation about Influence of Axial Alternating Magnetic Field on Temperature Field in EFAST

      摘要
    • 摘要: 提出了在电场活化烧结过程中施加轴向交变磁场与脉冲电场耦合改善烧结体径向温度场以减小其温度差的方法,并对不同大小磁场的作用进行了数值模拟.结果表明:施加轴向交变磁场可使横截面上的最大温度差减少3/4.其原因是交变磁场的感应电流具有集肤效应,可以使试样外部得到更多的热量.试验结果证明了模拟的准确性.

       

      Abstract: The method was proposed that adopts axial alternating magnetic field coupled with the pulse electric field in order to improve the temperature gradient during electric field activated sintering (EFAST).The results show that the maximum temperature difference in the products during EFAST coupled with magnetic field is reduced by 3/4 of that of only adopting pulse electric field.The reason is that the current induced by the magnetic field possesses skin effect,which generates more quantity of heat within the outer part and regulates the temperature distribution in EFAST.

       

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