Based on that hardened case depth can be increased by delay in air after forging, the technique of delay quenching 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。
It is shown that the simulating technology established can predict the depth, width and contour of hardened case and provide guide to select reasonable parameter.
该模拟技术可以预测出具体工艺条件下电子束硬化层的深度、宽度和轮廓，并为选取合理的工艺规范提供指导。
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