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Why do magnets lose their magnetism when exposed to heat?

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When exposed to heat, the magnetic domains, which were normally aligned in the same direction, gain energy due to heat and lose orientation, thus becoming randomized in their alignment, and if the heat energy persists, then the magnet keeps on losing its magnetism until it doesn't remain a magnet any more. read more

When exposed to heat, the magnetic domains, which were normally aligned in the same direction, gain energy due to heat and lose orientation, thus becoming randomized in their alignment, and if the heat energy persists, then the magnet keeps on losing its magnetism until it doesn’t remain a magnet any more. read more

When heated above 176° Fahrenheit (80° Celsius), magnets will quickly lose their magnetic properties. The magnet will become permanently demagnetized if exposed to these temperatures for a certain length of time or heated at a significantly higher temperature (Curie temperature). read more

Yes, it is possible for a permanent magnet to lose its magnetism. There are three common ways for this to occur: 1) Via heat: ferromagnet materials will lose their magnetism if heated above a point known as the Curie temperature. read more

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