对易切削钢AISI 1215铸坯中的夹杂物形貌、尺寸进行观察和统计,结果显示铸坯边缘区域为Ⅰ类MnS,中心区域为Ⅱ类MnS.根据Uhlmann的凝固前沿夹杂物析出模型以及铸坯化学成分分析,认为冷却速度和硫元素偏析对MnS夹杂形貌和尺寸分布有着重要影响,冷却速度越快,越易形成Ⅰ类MnS,硫元素偏析越严重越有利于形成Ⅱ类MnS.
参考文献
| [1] | Holappa L E K;Helle A S .Inclusion control in high-performance steels[J].Journal of Materials Processing Technology,1995,53:177-186. |
| [2] | 董履仁;刘新华.钢中大型非金属夹杂物[M].北京:冶金工业出版社,1991 |
| [3] | Van Vlack L H .Correlation of machinability with inclusion characteristic in resulfurized bessemer steels[J].Transaction ASM,1953,45:741-746. |
| [4] | Katsunari OIKAWA;Hiroshi OHTANI;Kiyohito ISHIDA .The control of the morphology of MnS inclusions in steel during solidification[J].ISIJ International,1995(4):402-408. |
| [5] | 夏云进,王福明,王金龙,赵晶.氧含量对易切削钢中硫化物生成行为的影响[J].北京科技大学学报,2010(10):1271-1276. |
| [6] | Kohichi I;Yoshiaiki K .The effect of oxygen content on the formation behavior of sulfides of MnS system and the machinability of low carbon resulphurized steel[J].Tetsu To Hagane-Journal of the Iron & Steel Institute of Japan,1994,80(12):890-895. |
| [7] | Uhlmann D R;Chalmers B;Jackson K A .Interaction between particles and a solid-liquid interface[J].Journal of Applied Physics,1964,35(10):2986-2993. |
| [8] | K.Oikawa .Effect of Titanium Addition on the Formation and Distribution of MnS Inclusions in Steel during Solidification[J].ISIJ International,1997(4):332-338. |
| [9] | Van Vlack L H .Intergranular energy of iron and some iron alloys[J].Transactions AIME,1951,191:251-256. |
| [10] | Bigelow L K;Flemings M C .Sulfide inclusions in steel[J].Metallurgical and Materials Transactions,1975,6B(02):275-283. |
| [11] | Takada H;Bessho I .Effect of sulfur content and solidification variables on morphology and distribution of sulfide in stee(l)ingots[J].Transaction of Iron Steel Institute,1978,18(10):564-573. |
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%