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怎样给金属消磁

更新时间: 2020-09-21 00:00:00     

金属消磁的方法为:

1、消磁器是用幅度逐渐减小的交流电通过线圈,形成一个方向不断变化而强度逐渐降低的交变磁场,使得带磁物体里的磁筹,微粒磁极,不断改变方向并降低磁场强度,消除磁性。

2、消磁器的初始磁场强度必须大于磁化该物体的磁场强度,才能彻底消磁.

关键词: 怎样 金属

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