当成分起伏的“方向性”和“程度”满足形核的热力学条件时，相变驱动力增加，可以促使钢液形核。
When unstable thermal conditions are satisfied with the constituent fluctuations of "correct direction" and "degree", phase transformation driving force is raised and nucleation is promoted.
就无机水合盐的过冷机理及非均匀形核的动力学机理进行了探讨，加入成核剂是降低过冷度的有效措施。
This paper discusses the nucleating mechanisms of the salt hydrates and comes to the conclusion that adding suitable nucleating agents reduces significantly the degree of supercooling.
围绕振动熵对凝固过程形核动力学的影响进行了讨论，提出了关于体现振动熵影响的凝固形核率的表达式。
The effect of entropy of vibration on the dynamics of forming nucleus of solidification processing was discussed and a expression for the rate of forming nucleus during solidifying was put forward.
应用推荐