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本文从理论和实验上研究了退火温度对Fe73.5Cu1Nb1.5Mo1.5V1Si13.5B9非晶合金电阻率和磁阻的影响,发现当退火温度>400℃时,约化电阻率开始明显变小,在555℃时达到最小值.随着退火温度再进一步提高,约化电阻率起初也随之提高,然后变化不大,经不同温度退火后的非晶合金样品的横向磁阻在不同强度的磁场作用下没有明显变化,为进一步了解非晶合金的微观结构和导电机制以及建立新的理论提供准确和重要的实验结果.
In this paper, the effects of annealing temperature on the resistivity and reluctance of Fe73.5Cu1Nb1.5Mo1.5V1Si13.5B9 amorphous alloy have been studied theoretically and experimentally. It is found that the reduced resistivity begins to decrease significantly when the annealing temperature is> 400 ℃. 555 ℃ to reach the minimum value. With the further increase of the annealing temperature, the reduced resistivity also increased at first, and then changed little. The transverse reluctance of the amorphous alloy annealed at different temperatures did not change obviously under the action of the magnetic field of different intensities. Understanding the microstructure and conduction mechanisms of amorphous alloys and establishing new theories provide accurate and important experimental results.