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.
本文利用热模拟试验机对高性能耐火耐候建筑用钢WGJ510C2的奥氏体连续冷却转变（CCT）图进行了测定和分析。
Thermo-simulation was used to analyze the continuous cooling transformation(CCT) diagram of high grade of fire-resistant and weatherability construction steel WGJ510C2.
从连续冷却转变图获得的相转变行为对热处理过程提供了有用的指导。
Phase transformation behavior obtained from CCT curves provides useful instructions for the heat treatment process.
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