余万华,刘飞,高山,刘力哲,孙理,刘澄

• 1:北京科技大学材料科学与工程学院
• 2:青岛钢铁集团公司第二高速线材厂

摘要(Abstract)：

利用淬火热膨胀仪对C92DA钢进行了连续冷却转变曲线(CCT曲线)的测定,对其热处理后的显微组织进行观察,对其硬度进行测定,并对选取部分冷速下的试样进行了扫描电镜下的珠光体片层间距进行观察和测定,拟合回归片层间距与过冷度的线性关系模型。最后对连续冷却转变的冷速与相变温度关系进行拟合,建立相变温度与冷却速率的关系模型。结果表明,其拟合度较高。

关键词(KeyWords)： C92DA帘线钢;连续冷却转变;片层间距;相变模型

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 余万华,刘飞,高山,刘力哲,孙理,刘澄

DOI: 10.13289/j.issn.1009-6264.2014.12.027

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