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衣服上的铁怎么消磁
更新时间: 2020-09-22 00:00:00  

加热到400度时就会消磁,达到这一效果的温度被称为居里点。

居里点:又作居里温度或磁性转变点,是指磁性材料中自发磁化强度降到零时的温度,是铁磁性或亚铁磁性物质转变成顺磁性物质的临界点。当温度低于居里点温度时,该物质成为铁磁体,此时和材料有关的磁场很难改变;当温度高于居里点时,该物质成为顺磁体,磁体的磁场很容易随周围磁场的改变而改变。居里点由物质的化学成分和晶体结构决定。

关键词: 衣服 怎么

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