The main phase grain size of the magnet powder produced by modified HDDR process was significantly smaller than those produced by conventional HDDR process.
由改进HDDR工艺制得磁粉主相晶粒尺寸明显小于由传统HDDR工艺制得磁粉主相晶粒尺寸。
Alloys after HDDR treatment showed better magnetic properties because the exchange coupling effect between the soft and hard magnetic phase was induced by HDDR.
经过HDDR处理后的合金性能好于未经过HDDR处理的合金，经过HDDR处理后产生了软硬磁间的交换耦合作用。
Alloys after HDDR treatment showed better magnetic properties because the exchange coupling effect between the soft and hard magnetic phase was induced by HDDR.
经过HDDR处理后的合金性能好于未经过HDDR处理的合金，经过HDDR处理后产生了软硬磁间的交换耦合作用。
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