基于合金化的改性原理,以调整材料的长程有序度为改性思想,采用真空电弧熔炼/热压退火制备了四种Cr/Al复合合金化Fe3Si基有序合金.通过XRD,SEM,EPMA等对合金进行了表征,并采用长程有序参数定量表征了退火得到的有序相的有序程度.结果表明:四种不同成分的有序合金,具有不同的显微组织.随着Si含量降低合金有序度下降,且Cr/Al的复合效应对这一趋势起到了促进作用,使得具有相同Si含量的Fe65Si25Cr5Al5有序合金的有序度低于Fe3Si,分别为0.658和0.796.
参考文献
| [1] | B. Zuo;N. Saraswati;T. Sritharan;H.H. Hng .Production and annealing of nanocrystalline Fe-Si and Fe-Si-Al alloy powders[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):210-216. |
| [2] | M.P.C. Kalita;A. Peramal;A. Srinivasan .Structural analysis of mechanically alloyed nanocrystalline Fe_(75)Si_(15)Al_(10) powders[J].Materials Letters,2007(3):824-826. |
| [3] | Schneeweiss O.;Jiraskova Y.;Zak T.;Cornut B.;Pizurova N. .Fe3Si surface coating on SiFe steel[J].Journal of Magnetism and Magnetic Materials,2000(0):115-117. |
| [4] | Cherigui, M;Feraoun, HI;Feninehe, NE;Aourag, H;Coddet, C .Structure of amorphous iron-based coatings processed by HVOF and APS thermally spraying[J].Materials Chemistry and Physics,2004(1):113-119. |
| [5] | M. Cherigui;N.E. Fenineche;G. Ji .Microstructure and magnetic properties of Fe-Si-based coatings produced by HVOF thermal spraying process[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2007(1/2):281-290. |
| [6] | Keisuke Yamamoto;Yoshisato Kimura;Yoshinao Mishima .Phase constitution and microstructure of the Fe–Si–Cr ternary ferritic alloys[J].Scripta materialia,2004(7):977-981. |
| [7] | M. Pugaczowa-Michalska;A. Go;L. Dobrzynski .Electronic structure and magnetism of Fe_(3-x)Cr_xSi alloys[J].Journal of Magnetism and Magnetic Materials,2003(1/3):46-53. |
| [8] | B. Zuo;T. Sritharan .Ordering and grain growth in nanocrystalline Fe_(75)Si_(25) alloy[J].Acta materialia,2005(4):1233-1239. |
| [9] | BAKKER H;ZHOU G F;YANG H .Mechanically driven disorder and phase transformations in alloys[J].Progress in Materials Science,1995,39(03):159-241. |
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%