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多少温度磁铁会消磁吗
更新时间: 2020-09-29 00:00:00  

750℃-760℃磁铁会消磁,当磁化后的材料,受到了外来的能量的影响,比如加热和冲击,其中的各磁畴的磁距方向会变得不一致,磁性就会减弱或消失,此过程称为消磁。

磁铁的成分是铁、钴、镍等原子,其原子的内部结构比较特殊,本身就具有磁矩。磁铁能够产生磁场,具有吸引铁磁性物质如铁、镍、钴等金属的特性。磁铁可分为“永久磁铁”与“非永久磁铁”。

关键词: 多少 温度 磁铁

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