低碳低合金钢临界区奥氏体体积分数的数学模型  

Mathematical model of austenite volume fraction of low carbon low alloy steels during subcritical austenitization

作　　者：文超[1] 华公平[1] 晁国强[1] 孙铭炎 

机构地区：[1]南车戚墅堰机车车辆工艺研究所有限公司,江苏常州213011 [2]常州市热处理行业协会,江苏常州213002

出　　处：《金属热处理》2011年第8期121-123,共3页Heat Treatment of Metals

摘　　要：根据变温动力学相关理论,提出了一个控制临界区低碳低合金钢奥氏体体积分数的数学模型。经试验和其它文献数据验证,该数学模型能够准确地反映奥氏体体积分数和临界区淬火温度的关系。According to the theory of nonisothermal kinetics,a mathematical model was proposed,which controlled the volume fraction of low carbon low alloy steels during subcritical quenching.The experiment and other data showed that the relation of the austenite volume fraction and intercritical quenching temperature can be accurately calculated.

关 键 词：临界区 奥氏体体积分数 数学模型 

分 类 号：TG113.12[金属学及工艺—物理冶金]