低碳贝氏体钢形变奥氏体的连续冷却相变研究

1.东北大学轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110006

2.东北大学轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110006

3.东北大学轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110006

4.鞍山钢铁公司,辽宁,鞍山,114006

5.鞍山钢铁公司,辽宁,鞍山,114006

Continuous Cooling Transformation of Deformed Austenite in the Low Carbon Bainite Steel

以低碳MoNbV奥氏体钢为研究对象,在Formaster-D全自动化仪上测量了过冷奥氏体CCT曲线;在Gleeble1500热模拟机上,利用热膨胀法制定了800℃形变奥氏体的CCT曲线.采用光学显微镜、金属薄膜电子显微分析发现,添加合金元素、形变和冷却速度对低碳贝氏体钢显微组织均有很大的影响.

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