TA15钛合金相变点的测定

摘要

Two methods including the calculation method and metallographic technique were employed to calculate and measure the phase transformation temperature of TA15 titanium alloy .The results show that the phase transformation temperature of the alloy is 985℃ and two ways are quite approachable .The comparison between the two methods indicates that the theory value obtained by the calculation method approaches the true value ,because this method requires that the content of each element in the TA 15 alloy is concerned .The phase transformation temperature can be measured accurately by the metallographic technique .%采用计算法和金相法分别测定了T A15钛合金相变点。结果表明，该合金相变点温度为985℃，两种方法测得的结果相当接近。由于考虑到各主要元素及杂质元素含量对相变点的影响值，因此计算法得到的相变点与实测值是接近的，而金相法测定T A 15钛合金相变温度的准确性更高。