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首页> 外文期刊>Journal of Materials Engineering and Performance >Influence of Cooling Rate on Transformation Behavior of 0.15% V Microalloyed Steel
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Influence of Cooling Rate on Transformation Behavior of 0.15% V Microalloyed Steel

机译：冷却速率对0.15％V微合金钢相变行为的影响

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摘要

Dilation study was carried out in a thermo-mechanical simulator to understand the phase transformation behavior of a 0.15% vanadium microalloyed steel at three different cooling rates, i.e., 2, 5, and 10 ℃/s. Results of the study showed that the phase transformation temperatures, namely Ar_3, Ar_1, and B_s of 0.15% vanadium microalloyed steel increased with increase in the cooling rate from 2 to 10 ℃/s. It was also observed that a cooling rate of 5 ℃/s was sufficient to form bainite microstructure in the plates while both bainite and martensite were formed when cooling rate was increased to 10 ℃/s. The findings of dilation study were used to design a rolling programme for commercial production of high strength steel plates of 0.15% vanadium steel chemistry.
机译：在热机械模拟器中进行了膨胀研究，以了解在三种不同的冷却速度（即2、5和10℃/ s）下0.15％钒微合金钢的相变行为。研究结果表明，0.15％钒微合金钢的相变温度Ar_3，Ar_1和B_s随冷却速率从2℃/ s增加到10℃/ s而增加。还观察到，冷却速率为5℃/ s足以在板中形成贝氏体组织，而当冷却速率提高至10℃/ s时，贝氏体和马氏体均形成。膨胀研究的结果被用于设计轧制程序，以商业化生产化学成分为0.15％的钒钢的高强度钢板。

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