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本文报导了具有孪晶的片状α-FeOOH的制备,以及用此粉料采用应力取向成型法制备各向异性的永磁铁氧体。新工艺较传统的磁场取向成型法要简单的多,它只需要一次成型,一次烧结。
In this paper, the preparation of flaky α-FeOOH with twins and the preparation of anisotropic permanent ferrite using this powder by stress orientation molding are reported. The new technology is more simpler than the traditional magnetic field orientation forming method, which only needs to form once and sinter once.