奥氏体化温度对Si-Mn钢热轧板淬火-配分处理后显微组织和力学性能的影响
程远遥, 赵刚, 许德明, 毛新平, 李光强

Effect of Austenitizing Temperature on Microstructures and Mechanical Properties of Si-Mn Hot-Rolled Plate After Quenching and Partitioning Treatment
CHENG Yuanyao, ZHAO Gang, XU Deming, MAO Xinping, LI Guangqiang
表1 奥氏体化温度为810、870和950℃下制备Q&P Si-Mn钢应变硬化率曲线各阶段对应真应变范围
Table 1 Range of the true strain of every stage in the strain hardening rate curve of the Q&P Si-Mn steels under austenitizing temperatures of 810, 870, and 950oC
TA / oCStage IStage IIStage III
810ε < 0.0150.015 < ε < 0.1660.166 < ε < 0.207
870ε < 0.0180.018 < ε < 0.1120.112 < ε < 0.135
950ε < 0.0200.020 < ε < 0.0880.088 < ε < 0.109