随着时效时间的延长，盘条中氢含量逐渐降低；
The content of hydrogen in steel decreases with increasing the ageing time.
室温冲击韧度随时效时间的延长整体下降，为韧性断裂；
Room temperature impact ductility decreased with the aging time increasing.
在相同的时效时间下，越高的处理温度可以得到更大的析出相粒子体积分数；
For the same aging time, higher aging temperature increases fraction of precipitated particles and modified their morphology.
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