Role of Mn and Sion the Phase Characteristics and Mechanical Properties of Duplex (ferrite plus austenite) Medium Mn Steels

摘要：

　　The effect of Mn and Si on the microstructure and mechanical behavior of intercritical annealed duplex (ferrite plus austenite) medium Mn steels was investigated.The increased amount of Mn addition in medium Mn steels lowered the austenite transitiontemperatures,but higher Si content raises them and enlarges the two phase domain.Tensile tests showed that Mn could effectively suppress the TRIP effect,decreasing the extent of work hardening.Si was beneficial for the mechanical properties when the samples have lower austenite fractions,however,the ferrite phase became quite brittle when the Si amount reached 3 wt %,which worsened the ductility of the steel.

关键词： medium Mn steels Mn and Si effect retained austenite transformation-induced plasticity (TRIP) and twinning-induced plasticity (TWIP)

作者: SUN Binhan FAZELI Fateh SCOTT Colin YUE Stephen

作者单位: Department of Materials Engineering, McGill University,3610 University St. Montreal, QC,H3A 0C5, Can CanmetMATERIALS, Natural Resources Canada, 183 Longwood Rd S, Hamilton, ON,L8P 0A5, Canada

会议类型: 国际会议

会议名称: the 1st International Conference on Automobile Steel & The 3rd International Conference on High Manganese Steels (第一届国际汽车用钢大会暨第三届高锰钢国际会议)

会议地点: 成都

会议语种:英文

页码: 95-98

在线出版日期: 2016-11-16（万方平台首次上网日期，不代表论文的发表时间）