X100热轧钢带的成分设计Research on alloy design for X100 hot-rolled strip steel
贾书君,段琳娜,刘清友
摘要(Abstract):
通过热模拟实验的方法研究了合金元素C、Mo、Nb含量对X100管线钢带的微观组织和显微硬度的影响。结果表明,随着C、Mo、Nb含量增加,实验钢显微组织中的板条贝氏体比例增加,显微硬度明显提高。但是,C、Mo含量较高时,钢中的马氏体/奥氏体(M/A)组元含量增加,尺寸增大。通过对碳当量的讨论得出,X100热轧钢带的合金设计应该综合考虑各种合金元素的影响,碳当量最好能控制在0.55附近。最后针对X100热轧钢带提出了一个优化的成分范围。
关键词(KeyWords): X100热轧钢带;成分设计;微观组织;显微硬度;碳当量
基金项目(Foundation): 国家“十一五”支撑计划项目(2006BAE03A15)
作者(Author): 贾书君,段琳娜,刘清友
DOI: 10.13289/j.issn.1009-6264.2012.12.016
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