The work showed that the grain growth on heating is not sensitive to the change of heating rate. The behaviour of (Ti_xV_(1-x)) (C_yN_(1-y))particle in steel when subjected to weld thermal cycles has been studied.

• 研究表明；(Ti_xV_(1-x))(C_yN_(1-y))粒子的高温稳定性表现在其在焊接热循环过程中明显的溶解滞后效应及粗化速率极为缓慢.