利用扫描电镜和能谱分析研究了钛处理钢凝固结束后钢中夹杂物的形貌、组成和尺寸分布,并考查了加钛前后钢中夹杂物行为变化.研究表明通过钢液加钛处理,凝固结束后钢中夹杂物主要为以含钛复合氧化物为核心、外包硫化锰的复合质点,它们尺寸较小(2～3μm),形状为球形,不易受力变形,可望成为钢中铜弥散化非均质形核的有效质点.
参考文献
| [1] | Melford D A .Surface Hot Shortness in Mild Steel[J].Iron and Steel Inst Japan Int,1962,200(04):290. |
| [2] | N.Imai .Effect of Cu and Ni on Hot Workability of Hot-rolled Mild Steel[J].ISIJ International,1997(3):224-231. |
| [3] | Kishida K;Akisue O .Effect of Copper Content on Mechanical Properties of Continuously Annealed Extra-Low-Carbon Titanium-Added Steel Sheets[J].Tetsu To Hagane-Journal of the Iron & Steel Institute of Japan,1990,76(05):759. |
| [4] | Soylu B;Honeycombe R W K .Mierostructnral Refinement of Duplex Stainless Steels[J].Journal of Materials Science and Technology,1991,7(02):137. |
| [5] | Byun J S;Shim J H;Cho Y W .Non-Metallic Inclusion and Intragranular Nucleation of Ferrite in Ti-Killed C-Mn Steel[J].Acta Materialia,2003,51:1593. |
| [6] | Shim J H;Suh J Y .Ferrite Nucleation Potency of Non-Metallic Inclusions in Medium Carbon Steel[J].Acta Materialia,2001,49:2115. |
| [7] | 黄维刚;郑燕康 .晶内析出铁素体非调质钢[J].机械工程材料,1995,19(02):5. |
| [8] | 宋波,毛璟红,王福明,罗志涛,杨颖,杨占兵.非调质钢中钛脱氧产物析出行为[J].北京科技大学学报,2006(03):242-247. |
| [9] | 梁英教;车荫昌.无机物热力学数据手册[M].沈阳:东北大学出版社,1993 |
| [10] | Hasegawa H;Nakajima K;Mizoguchi S .Effect of MnS on the Heterogeneous Nucleation of Cu Precipitates in Fe-10 and 5mass% Cu Alloys[J].ISIJ International,2003,43(07):1021. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%