亚共析钢片状渗碳体球化行为及轧制变形量的影响

发布时间：2018-04-15 04:08

  本文选题：亚共析钢 + 片状渗碳体　； 参考：《金属热处理》2017年08期

【摘要】：结合实际生产S35C成分精冲钢,讨论了亚共析热轧钢板片状渗碳体的退火球化行为及转变机制,并采用Gleeble热模拟试验机研究了热轧和冷轧变形量对精冲钢片状渗碳体快速球化效果的影响。结果表明,与850℃30%应变量相比,60%大变形量可有效细化组织,促进层片状珠光体断裂,显著加快热轧板球化速率,提高粒状渗碳体的均匀分布。冷轧大变形也有利于片状渗碳体的快速球化退火,但50%过高应变量会导致钢板退火后难以消除加工硬化,S35C精冲钢冷轧合适的变形量约在40%。
[Abstract]:The annealing spheroidization behavior and transformation mechanism of sheet cementite of hypoeutectoid hot rolled steel plate were discussed in connection with the actual production of S35C fine blanking steel.The effect of hot rolling and cold rolling on the rapid spheroidization of finely punched steel sheet cementite was studied by Gleeble thermal simulation machine.The results show that compared with the strain of 30% at 850 鈩，

本文编号：1752442