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磁性材料失去磁性的温度称为居里温度
记录介质。实验表明：当磁带、磁盘、光盘所处温度持续高于37.8℃时，开始出现损坏;当温度持续高于65.6℃时则完全损坏。
Recording medium. Experiments show that when the temperature of tapes, disks and CD-ROMs is higher than 37.8 C, they begin to be damaged; when the temperature is higher than 65.6 C, they are completely damaged.
对于磁介质来说，随着温度的升高，磁导率增大;当温度达到某一个值时，磁介质丢失磁性，磁导率急剧下降。磁性材料失去磁性的温度称为居里温度。
For the magnetic medium, the permeability increases with the increase of temperature; when the temperature reaches a certain value, the magnetic medium loses its magnetism and the permeability decreases sharply. The temperature at which a magnetic material loses its magnetism is called Curie temperature.
Recording medium. Experiments show that when the temperature of tapes, disks and CD-ROMs is higher than 37.8 C, they begin to be damaged; when the temperature is higher than 65.6 C, they are completely damaged.
对于磁介质来说，随着温度的升高，磁导率增大;当温度达到某一个值时，磁介质丢失磁性，磁导率急剧下降。磁性材料失去磁性的温度称为居里温度。
For the magnetic medium, the permeability increases with the increase of temperature; when the temperature reaches a certain value, the magnetic medium loses its magnetism and the permeability decreases sharply. The temperature at which a magnetic material loses its magnetism is called Curie temperature.
