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Magnetic materials

Number of visits: Date:2012-7-23 18:19

Cobalt is one of the few metals that are able to maintain the magnetism. The temperature at which the magnetism is lost under the heat effect is called the Curie point. The Curie point of iron is 769 degrees Celsius, and that of Nickel is 358 degrees Celsius. The Curie point of Cobalt is up to 1150 degrees Celsius. The coercive force of magnetic steel containing 60% of cobalt is 2.5 times higher than the common magnetic steel. In the environment of magnetic vibration, the common magnetic steel can lose almost 1/3 of magnetism, while cobalt loses only 2% - 3.5%. Due to the excellent magnetic property of cobalt, it is widely used in manufacturing magnetic materials with high and new features.

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