王金龙,王福明,李长荣,张炯明

• 1:北京科技大学冶金与生态工程学院
• 2:内蒙古农业大学食品科学与工程学院
• 3:北京科技大学材料科学与工程学院

摘要(Abstract)：

应用元胞自动机-有限元模型(CAFE),模拟了不同碳、磷含量对易切削钢9SMn28凝固组织的影响,并通过热力学计算分析结果,优化了钢中的碳、磷含量。模拟结果表明,C含量在0.09 wt%~0.16 wt%时,随C的增加,柱状晶随之而减小;C含量从0.09 wt%增加到0.15 wt%时,晶粒逐渐细化。P含量在0.02 wt%~0.10 wt%时,随P的增加,晶粒逐渐细化。同时,对C、P模拟结果进行了实验验证,实验与模拟结果吻合较好。因此,易切削钢9SMn28的C与P含量应该分别取0.15 wt%及0.10wt%,可以有效地改善9SMn28的凝固组织。

关键词(KeyWords)： 元胞自动机-有限元模型;模拟;组织;碳;磷

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50874007,50774109)

作者(Author): 王金龙,王福明,李长荣,张炯明

DOI: 10.13289/j.issn.1009-6264.2010.02.029

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