通过高温氧化试验(1200℃,保温5 min,氧化气氛A和B)模拟了2507双相不锈钢热轧初期的氧化过程,并应用扫描电子显微镜( SEM)、辉光放电光谱仪(GDS)、X射线衍射仪(XRD)和X射线光电子能谱仪(XPS)等手段,分析了不同气氛下氧化膜的组成和结构以及初期氧化特性.结果表明:氧化膜主要由Fe3O4、Cr2O3和尖晶石型(FeCr2O4、MnCr2O4等)等复合氧化物组成；气氛中氧含量的变化可改变氧化膜中氧化物结构、组成,铁素体优先于奥氏体氧化.
参考文献
| [1] | Sato YS;Nelson TW;Sterling CJ;Steel RJ;Pettersson CO .Microstructure and mechanical properties of friction stir welded SAF 2507 super duplex stainless steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):376-384. |
| [2] | G. Fargas;M. Anglada;A. Mateo .Effect of the annealing temperature on the mechanical properties, formability and corrosion resistance of hot-rolled duplex stainless steel[J].Journal of Materials Processing Technology,2009(4):1770-1782. |
| [3] | J. M. Cabrera;A. Mateo;L. Llanes .Hot deformation of duplex stainless steels[J].Journal of Materials Processing Technology,2003(0):321-325. |
| [4] | Crtomir Donik;Aleksandra Kocijan;Djordje Mandrino;Irena Paulin;Monika Jenko;Boris Pihlar .Initial oxidation of duplex stainless steel[J].Applied Surface Science,2009(15):7056-7061. |
| [5] | Li L F;Jiang Z H;Riquier Y .High-temperature oxidation of duplex stainless steels in air and mixed gas of air and CH4[J].Corrosion Science,2005,47:57-68. |
| [6] | Jin Q M;Li J;Xu Y L et al.High-temperature oxidation of duplex stainless steels S32101 and S32304 in air and simulated industrial reheating atmosphere[J].Corrosion Science,2010,52:2846-2854. |
| [7] | Crtomir D;Aleksandra K;John T G et al.XPS study of duplex stainless steel oxidized by oxygen atoms[J].Corrosion Science,2009,51:827-832. |
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%