Based on that hardened case depth can be increased by delay in air after forging, the technique of delayquenching after forging is proposed in this paper.
基于锻后预冷淬火可提高工件的淬硬层深度，本文提出锻后余热预冷淬火工艺。
2
By analyzing the changes of absorption spectra at different delay time and the quenching rate constants, the mechanism of reactions can be obtained.