采用铸态Al63Cu25Fe12准晶材料进行球磨和高压惰性气体(N2)雾化水冷快速凝固两种方式,制备了各种柱度的Al63Cu25Fe12准晶粉末,经筛分后为一40~80目、-80~200目及-200目的粉末.对两种工艺下获得的粉末做了粒度组成分析和X射线衍射分析,发现雾化法制得的粉末中相的组成远比球磨粉末的简单,而且随着粉末粒度细化,雾化粉末中准晶相的相对含量增加,但增加的幅度降低,最后在变化曲线上趋于平缓.差示扫描量热法(DSC)分析结果表明,雾化粉末中不存在铸态材料中出现的先析出相λ相(Al13Fe4).
参考文献
[1] | Shechtman D;Blech I;Gratias D et al.Metallic Phase with Long-range Orientional Order and No Translational Symmetry[J].Physical Review Letters,1984,53:1951. |
[2] | GrushkoB;Writtenberg R.Solidification of Al-Cu-Fe alloys forming icosahedral phase[J].Journal of Materials Research,1996(11):2177. |
[3] | Rosas G;Perez R .On the relationships between icosahedral phase diagrams and quasicrystalline phase transformation in Al-Cu-Fe alloys[J].Material Science and Engineering,2001,298:79. |
[4] | Tasi A P;Inoue A;Masumoto T .A stable quasicrystal in AlCuFe system[J].Japanese Journal of Applied Physics,1987,26:L1587. |
[5] | Yokoyama Y.;Fukaura K. .Preparation of Large Grained Al_(64)Cu_(23)Fe_(13) Icosahedral Quasicrystal Directly from the Melt[J].Materials transactions,2000(6):668-674. |
[6] | Jenks C J;Thiel P A .Surface properties of quasicrystals[J].MRS Bulletin,1997,22(11):55. |
[7] | Qi H K;Zhang Z P;Hei Z K et al.The microstructure analysis of Al-Cu-Cr phases in Al65Cu20Fe15 quasicrystalline particles/Al base composites[J].Journal of Alloys and Compounds,1999,285:221. |
[8] | Lee M;Jung J H;Feury E.Metal matrix composites reinforced by gas-atmised Al-Cu-Fe powders[J].Materials Science and Engineering,2000:99. |
[9] | Dubois JM. .New prospects from potential applications of quasicrystalline materials[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(0):4-9. |
[10] | Rosas G;Perez R .On the transformation of the ψ-AlCu-Fe icosahedral phase[J].Materials Letters,2001,47:225. |
[11] | Tsai A P;Inoue A;Masuyoshi T .New quasicrystals in Al65Cu20Fe15 (M=Cr Mn or Fe) System Prepared by rapid solidification[J].Journal of Materials Science Letters,1988,7(07):322. |
[12] | Bloom Paul D;Baikerikar K G;Otaigbe Joshua U et al.Development of novel polymer/quasicrystal composite materials 3[J].Materials Science and Engineering,2000(A):156. |
[13] | 赵玉涛,孙国雄.Al-ZrOCl2反应体系制备ZrAl3(p)+Al2O3(p)/Al复合材料[J].中国有色金属学报,2001(01):41-46. |
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%