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| 碳与磷含量对易切削钢9SMn28微观组织的影响 | |
| 引用本文： | 王金龙,王福明,李长荣,张炯明.碳与磷含量对易切削钢9SMn28微观组织的影响[J].材料热处理学报,2010,31(2). |
| 作者姓名： | 王金龙 王福明 李长荣 张炯明 |
| 作者单位： | 1. 北京科技大学冶金与生态工程学院,北京,100083;内蒙古农业大学食品科学与工程学院,内蒙古,呼和浩特,010018 2. 北京科技大学冶金与生态工程学院,北京,100083 3. 北京科技大学材料科学与工程学院,北京,100083 |
| 基金项目： | 国家自然科学基金(50874007,50774109) |
| 摘 要： | 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： | 元胞自动机-有限元模型 模拟 组织 碳 磷 |
Effects of carbon and phosphor contents on microstructure of a free-cutting steel 9SMn28 |
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| WANG Jin-long,WANG Fu-ming,LI Chang-rong,ZHANG Jiong-ming.Effects of carbon and phosphor contents on microstructure of a free-cutting steel 9SMn28[J].Transactions of Materials and Heat Treatment,2010,31(2). | |
| Authors: | WANG Jin-long WANG Fu-ming LI Chang-rong ZHANG Jiong-ming |
| Affiliation: | 1;2;1.School of Metallurgical and Ecological Engineering;University of Science and Technology Beijing;Beijing 100083;China;2.School of Food Science and Engineering;Inner Mongolia Agricultural University;Inner Mongolia Huhehaote 010018;3.School of Materials Science and Engineering;China |
| Abstract: | Based on cellular automaton-finite element model(CAFE),the effects of solidification microstructure of 9SMn28 free-cutting steel with different carbon and phosphor contents were simulated.The simulation results were analyzed by use of thermodynamics,and carbon and phosphor contents were optimized.The results show that when the carbon content in this steel is from 0.09 wt% to 0.16 wt%,the higher the carbon content is,the smaller the columnar dendrite is, and the grain size decreases with increasing the carbo... |
| Keywords: | cellular automaton-finite element model simulation microstructure carbon phosphor |
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