【摘要】 回顾了ＮｄＦｅＢ合金ＨＤＤＲ（即氢化／岐化／脱氢／重组）工艺在近年来的发展情况，总结了这一工艺中ＮｄＦｅＢ合金所发生的显微组织的变化，并对所获得磁粉的显微组织和磁特性作了评述。最后，还对今后的发展方向进行了预测。更多还原

【Abstract】 he devdopment of thehydrogenation-disproportionation-desorption-recombination(HDDR)treatment related to NdFeBalloy in recent years is briefly reviewed.Thestructural changes of the alloy during the HDDRtreatment as well as the microstructure and magneticproperties of magnet powder obtained are discussed.The further development of this process in the futureis also predicted.更多还原