研究了热压/热变形纳米复合永磁体制备的新工艺,探讨了制备高性能高各向异性块状纳米复合永磁体的新方法.以晶态纳米复合永磁粉末为原料,研究了热压/热变形工艺参数与磁体密度和磁性能的关系.实验中制备出的热压/热变形磁体的密度高达7.508 g·cm-3,磁体的磁能积为61 kJ·m-3.实验表明,温度是影响热压/热变形磁体性能的重要因素.磁体在平行于压力方向的磁性能稍高于垂直于压力方向的磁性能,体现出微弱的各向异性.
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