The results show that the isothermal phase transformation of Ti-B19 alloy is the process of nucleation and growth, controlled by long range diffusion, and can be described by JMA equation.

• 结果表明,在试验温度范围内,Ti-B19合金的等温相变为长程扩散控制的形核与长大过程,可以用JMA方程进行描述。