SmCo2:17型合金由于在高温方面有着优越的磁性能,在微波通讯技术、航空航天、国防工业、交通运输业等很多领域有着广泛的应用.最近又提出了最高工作温度高于400℃的要求,对2:17型SmCo永磁体提出了新的挑战.综述了烧结2:17型SmCo合金的矫顽力机制及成分和工艺对矫顽力的影响,介绍了2:17型SmCo永磁体的应用情况及其发展趋势.
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