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使用调制式差示扫描量热器 (MDSC)精确测定了Ni Ti合金的比热容。研究了以不同的速度加热和冷却合金时相变点的变化 ,并用试验测定的热容值 ,计算了电流加热的NiTi合金丝的温度变化历程 ,这将为科学合理地计算加热时合金的温度场提供参考信息。
The specific heat capacity of Ni Ti alloy was accurately determined by using a modulated differential scanning calorimeter (MDSC). The change of phase transition point when the alloy was heated and cooled at different speeds was studied. The temperature change of the NiTi alloy wire heated by current was calculated by the measured heat capacity. This would be a scientific and reasonable method to calculate the temperature of the alloy during heating Field to provide reference information.