利用高能球磨,通过剧烈的塑性变形,使Fe、AI粉末颗粒发生细化和机械合金化,并产生高的畸变能和界面能,在560℃和620℃进行低温烧结,Fe、Al原子沿着大量的晶界和缺陷进行扩散,形成FeAl合金相.经过12h的高能球磨.620℃烧结、保温4h,可以使Fe、Al复合粉完全转变成FeAl金属间化合物.晶粒均匀细小,呈现等轴状,晶粒大小约为30nm.
参考文献
| [1] | E. Godlewska;S. Szczepanik;R. Mania .FeAl materials from intermetallic powders[J].Intermetallics,2003(4):307-312. |
| [2] | Gedevanisbvili S;Deevi S C .Processing of iron aluminides by pressureless sintering through Fe+Al elemental route[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2002,325:163-176. |
| [3] | C. Suryanarayana .Mechanical alloying and milling[J].Progress in materials science,2001(1/2):1-184. |
| [4] | Grosdidier T;Ji G;Bernard F et al.Synthesis of bulk FeAI nanostructured materials by HVOF spray forming and Spark Plasma Sintering[J].Intermetallics,2006,14:1208-1213. |
| [5] | Pint B A;Schneibel J H .The effect of carbon and reactive element dopants on oxidation lifetime of FeAl[J].Scripta Materialia,2005,52:1199-1204. |
| [6] | Strahl A;Golovin I S;Neuhauser H et al.lnfluenee of AI concentration on the short-range and hmg-range diffusion of carhon in Fe-Al alloys[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2006,442:128-132. |
| [7] | Rico M M;Greneche J M;Pérez Aleázar G A .Effect of boron on structural and magnetic properties of the Fe60 Al40 system prepared by mechanioal alloying[J].Journal of Alloys and Compounds,2005,398:26-32. |
| [8] | Cebulski J;Lalik S .Changes in the structure of alloy on the matrix of FeAl intemietallic phase after primary crystallization and homogenizing treatment[J].Journal of Materials Processing Technology,2005,162-163:4-8. |
| [9] | Pithawalla YB.;Deevi SC.;El-Shall MS. .Preparation of ultrafine and nanocrystalline FeAl powders[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2002(0):92-98. |
| [10] | 贺文雄,李小强,胡连喜,王尔德.机械球磨对Ti-Al复合粉扩散反应的影响[J].材料科学与工艺,2000(04):26-29. |
| [11] | Krasnowski M;Kulik T .Nanocrystalline teAl intemetallic produced hy meehanieal alloying followed by hot-pressing consolidation[J].INTERMETALLICS,2007,15:201-205. |
| [12] | Krasnuwski M;Crabias A;Kulik T .Phase transformations during mechanical alloying of Fe-50% Al and subsequent heating of the milling product[J].Journal of Alloys and Compounds,2006,424:119-127. |
| [13] | Zhan Z L;He Y D;Wang D R et al.Low-temperature processing of Fe-Al intermetallie coatings assisted by ball milling[J].Intermetallics,2006,14:75-81. |
| [14] | 詹肇麟,何业东,王德仁,高维.低碳钢表面抛丸加速制备纳米铝化物涂层的研究[J].材料热处理学报,2006(04):101-104. |
| [15] | Z.L. Zhan;Y.D. He;W. Gao .Oxidation Resistance of Nanocrystal ODS Aluminide Coatings Produced by Pack Aluminizing Process Assisted by Ball Peening[J].Acta metallurgica Sinica,2006(3):215-222. |
| [16] | ZHAN Zhao-lin,HE Ye-dong,WANG De-ren,GAO Wei.Preparation of aluminide coatings at relatively low temperatures[J].中国有色金属学会会刊（英文版）,2006(03):647-653. |
| [17] | Kobayashi S.;Yakou T. .Control of intermetallic compound layers at interface between steel and aluminum by diffusion-treatment[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2002(1/2):44-53. |
| [18] | Bedford G M;Boustead J .Formation of intermetallie eompnunds in alumimium2eoated steel strip produced by Elphal process[J].Metals and Technology,1974,1:233-240. |
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%