研究了低碳钢在直流静电场中进行奥氏体化后淬火的显微组织.结果表明:与无电场处理的试样相比,加电场奥氏体化后的试样在随后的淬火过程中获得了较多的马氏体,淬透性提高,并且电场强度为2 kV/cm时硬度最大.这是因为电场增加奥氏体的稳定性,抑制随后冷却过程中由扩散控制的奥氏体向珠光体的转变,使CCT曲线右移.
参考文献
| [1] | Cao W D;Lu X P;Conrad H et al.Superplastic DeformationBehavior of 7475 Aluminum Alloy in an Electric Field[J].Materials Science and Engineering,1990,129(02):157-166. |
| [2] | Conrad H;Cao W D;Lu X P et al.Effect of Electric Field onCavitation in Superplastic Aluminum Alloy 7475[J].Materials Science and Engineering,1991,138(02):247-258. |
| [3] | Conrad H;Guo Z;Sprecher A F et al.Effect of an ElectricField on Recovery and Recrystallization of Al and Cu[J].Scripta Metallurgica et Materialia,1989,23(06):821-824. |
| [4] | Liu W;Cui J Z .Effect of Homogenization Treatment in an E-lectric Field on T-1 Precipitation in 2091 Al-Li Alloy[J].Scripta Metallurgica et Materialia,1995,131(04):623-626. |
| [5] | W. Liu;K. M. Liang;Y. K. Zheng;J. Z. Cui .Effect of an electric field during solution treatment of 2091 Al-Li alloy[J].Journal of Materials Science Letters,1996(15):1327-1329. |
| [6] | Lu H A;Conrad H .Influence of an Electric Field Charge dur-ing Quench Aging of a Low Carbon Steel[J].Applied Physics Letters,1991,59(15):1847-1849. |
| [7] | Wang N L;Liu W;Wu F et al.Influence of an Electric Fieldon the Quenching Aging of a Medium-Carbon Alloy Steel[J].Scripta Materialia,2001,44(10):2517-2521. |
| [8] | Cao W D;Lu X P;Sprecher A F et al.Increased Hardenabili-ty of Steel by an External Electric Field[J].Materials Letters,1990,9(05):193-196. |
| [9] | Zheng M;Lu X P;Conrad H et al.Influence of an ExternalElectric Field during Quenching on Hardenability of Steel[J].Scripta Materialia,2001,44:381-385. |
| [10] | Karlsson L;Norden H .[J].Acta Materialia,1988,36(01):1-12. |
| [11] | Jiang B H;Sun L;Li R et al.Influence of Austenite GrainSize on γ-ε Martensitic Transformation Temperature in Fe-Mn-SiCr Alloys[J].Scripta Metallurgica et Materialia,1995,33(01):63-68. |
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%