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The temperature coefficient of neodymium iron boron remanence is relatively large, and the higher the temperature rises, the lower the remanence; The residual magnetization temperature coefficient of samarium cobalt is very low, and at the same temperature, the demagnetization of samarium cobalt is much less than that of neodymium iron boron. In addition, neodymium iron boron must be electroplated, otherwise it is prone to oxidation, corrosion, and weathering.
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Do not approach electronic devices with neodymium iron boron magnets, as the magnets themselves have positive and negative poles and have a circuit loop. If approached, it will affect the electronic devices and control circuits, affecting their use.
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Samarium cobalt magnets, also known as Samarium cobalt magnetic steel, Samarium cobalt permanent magnets, Samarium cobalt permanent magnets, Samarium cobalt strong magnets, rare earth cobalt permanent magnets, etc.
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Aluminum nickel cobalt magnet features: It is an alloy composed of aluminum, nickel, cobalt, iron, and other trace metal elements.
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Has high magnetic properties, good time stability, and low temperature coefficient.
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The Curie temperature of ferrite is around 450 ℃, usually greater than or equal to 450 ℃.
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