关键词: 氮气-雾化水混合物;气体淬火;连续冷却曲线 [gap=1155]Key words: nitrogen - spray water mixture; gas quenching; continuous cooling curve
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continuous cooling transformation curve 连续冷却转变曲线
welding continuous cooling transforming curve 焊接连续冷却转变曲线
Austenic continuous cooling transfom1ation curve 奥氏体连续冷却转变曲线
The continuous cooling curve obtained with the MDD model can use to quantitatively describe the cooling or uplifting process of a geologic body.
利用MDD模式得到的连续冷却曲线，可以定量地描述地质体的冷却（隆升）过程；
The expanding curves and continuous cooling transformation curve (dynamic CCT curve) of X60 pipeline steel were obtained by dilatometry and microscopic test under different cooling speed.
利用膨胀法，结合金相法，测定了X60不同冷却速度下连续冷却转变的膨胀曲线，获得了该钢的连续冷却转变曲线（动态CCT曲线）；
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