【作者】 李岩； 宋波； 毛璟红；

【Author】 Li Yan Song Bo Metallurgical and Ecological Engineering School,University of Science and Technology Beijing,Beijing 100083,China Mao Jinghong Materials Science and Engineering School,University of Science and Technology Beijing,Beijing 100083,China

【机构】 北京科技大学冶金与生态工程学院； 北京科技大学材料科学与工程学院；

【摘要】 本文以45钢为研究对象,添加0.3%左右的铜,调整钢中 Mn、S 含量,以研究不同 Mn、S 含量对铜在夹杂物上析出的影响。利用扫描电镜及能谱仪统计了45钢中夹杂物的种类,以及硫化物的尺寸分布,结果表明铜可以在硫化锰夹杂,硫化锰、氧化硅复合夹杂上析出形核,析出比例占硫化物总数80%,但不能在单一的氧化物夹杂上析出。比较三个试样中夹杂物的种类及尺寸分布,得出2#试样中0.78%的 Mn 含量、0.041%的 S 含量最适合生成可以作为铜形核核心的硫化锰夹杂。更多还原

【Abstract】 Abstraett In addition of about 0.30% copper to 45 steel,the present study changed the content of manganese and sulfur to investigate on the effect of manganese and sulfur content on copper precipitation in inclusion.Inclusion species and the distribution of sulfide dimension have been investigated by using of SEM analysis.The results showed that copper could precipitation in manganese sulfide inclusion,in manganese sulfide and silicon oxide complex inclusion.The proportion of copper precipitation in sulfide to the total sulfide is almost 80%,and copper could not precipitation in oxide inclusion.The manganese and sulfur content in sample 2 is 0.78% and 0.041%,which is the best for copper precipitation in sulfide inclusion from the point of inclusion species and dimension distribution.更多还原