The result shows that the RE make CCT curve move towards right and hardness of steel increases at same rate of cooling.
结果表明：稀土使钢的过冷奥氏体转变曲线右移，在同样冷却速度下，加稀土钢的硬度增加。
Its CCT curve was determined by test. The influence of quenching and tempering temperature on the mechanical properties was also studied.
试验测定了该钢的CCT曲线，探讨了淬火和回火加热温度对该钢力学性能的影响。
The deformation moves CCT curve to left and up direction. the cooling transformation initiating temperature of austenite increases more with the increase of cooling rate.
变形使CCT曲线向左上方移动，提高了奥氏体冷却转变开始温度，随冷速加大提高得越多。
It is introduced the development of 45a narrow strip and introduced the influence on the production performance by the deformation and the strength of cooling by CCT curve.
阐述45优质窄带钢的开发，结合CCT曲线介绍轧制变形量、冷却强度对产品性能的影响。
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）；
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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