研究了12 T磁场下910℃保温不同时间(5,10,30和60 min)对高纯Fe-1.1％C钢中“反常”组织形貌及宏观硬度的影响.结果表明:强磁场下“反常”组织面积分数随保温时间的延长而减小；这是由于保温时间的延长扩散较充分,析出时二次渗碳体析出较慢所致.宏观硬度随保温时间的延长而增加.在相同奥氏体化保温时间下,强磁场热处理样品与无磁场热处理样品相比,“反常”组织面积分数明显增加,样品宏观硬度值下降.
参考文献
| [1] | 许亞;大塚秀幸;和田仁 .铁系合金たおけるフェライト变態た及ばす强磁埸の影曫[J].Current Advances in Materials and Processes,1999,34(04):601. |
| [2] | Xu Y;Ohtsuka H;Wada H .Effect of a strong magnetic field on diffusional transformations in Fe-based alloys[J].Journal of the Magnetics Society of Japan,2000,24(4-2):655-658. |
| [3] | M.ENOMOTO;H.GUO;Y.TAZUKE .Influence of Magnetic Field on the Kinetics of Proeutectoid Ferrite Transformation in Iron Alloys[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2001(3):445-453. |
| [4] | Hao X J;Ohtsuka H;Wada H;Structural elongation and alignment in an Fe-0 .4C alloy by isothermal ferrite transformation in high magnetic fields[J].Materials Transactions,2003,44(12):2523-2536. |
| [5] | Hao X J;大塚秀幸;和田仁 .Fe-0.4C合金の强磁埸中等温フエライト变態たぉける組(缀)配向[J].日本金属学会志(日本),2005,69(04):368-372. |
| [6] | 宫明龙,赵骧,宋建宇,王守晶,左良.强磁场下保温时间对Fe-0.76%C钢先共析铁素体组织形貌的影响[J].钢铁,2008(11):82-85. |
| [7] | 宋维锡.金属学[M].北京:冶金工业出版社,1989:319-320. |
| [8] | Kakeshita T;Shimizu K;Funada S et al.Composition dependence of magnetic field-induced martensitic transformations in Fe-Ni alloys[J].Acta Metallurgica,1985,33(08):1381-1389. |
| [9] | Choi J-K.;Ohtsuka H. .EFFECTS OF A STRONG MAGNETIC FIELD ON THE PHASE STABILITY OF PLAIN CARBON STEELS[J].Scripta materialia,2000(3):221-226. |
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%