研究了两种球磨强度下不同铝含量的Al/CuO高能球磨固态还原反应.理想配比的Al/CuO的反应孕育期最短.偏离这一配比,孕育期增长,反应由燃烧式逐渐过渡到渐进式完成.球磨强度的提高能够扩大以燃烧式进行的组元配比范围.当铝含量超过理想配比中的比例,随Al含量增加,反应由单一还原反应向还原+合成反应模式转化,反应产物依次为Cu+Al2O3、Cu9Al4+Al2O3、CuAl2+Al2O3、Al(Cu)+Al2O3,并与球磨Al-Cu- Al2O3体系反应进行了对比.
参考文献
| [1] | Schaffer G B;McCormick P G .Anomalous combustion effects during mechanical alloying[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1991,22(12):3019-3024. |
| [2] | MOORE John J;Feng H J .Combustion syntheis of advanced materials: Part Ⅱ.Classification,application and modelling[J].Progress in Materials Science,1995,39:275-316. |
| [3] | Schaffer G B;McCormick P G .Mechanical alloying[J].Materials Forum,1992,16:91-97. |
| [4] | Boldyrev V;Boldyreva E.Mechanochemistry of interfaces[J].Materials Science Forum,1992:88-90:711-714. |
| [5] | Takacs L .Nanocomposite formation and combustion induced by reaction milling[J].Materials Research Society Symposium Proceedings,1993,286:413-418. |
| [6] | M. Sherif El-Eskandarany .Structural Evolution of Rod Milled Cu_2O and Ti Powders during Mechanical Solid State Reduction[J].Materials Transactions, JIM,1995(2):182-187. |
| [7] | Schaffer G B;McCormick P G .Displacement reactions during mechanical alloying[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1990,21:2789-2794. |
| [8] | Schaffer GB.;Forrester JS. .THE INFLUENCE OF COLLISION ENERGY AND STRAIN ACCUMULATION ON THE KINETICS OF MECHANICAL ALLOYING[J].Journal of Materials Science,1997(12):3157-3162. |
| [9] | Smithells metals reference book.Sixth Edition[M].E A Brandes(Ed),1983 |
| [10] | Jatkar A D;Benjamin J S .Determinstic mechanical alloying[J].Materials Science Forum,1992,88-90:67-74. |
| [11] | CHAKUROV Chr;Rusanov V;Koichev J .The effect of inert additives on the explosive mechanochemical synthesis of some metal chalcogenides[J].Journal of Solid State Chemistry,1987,71:522-529. |
| [12] | Li Feng;lshihara K N;Shingu P H .The formation of metastable phase by mechanical alloying in the aluminum and copper system[J].Metallurgical and Materials Transactions,1991,22(12):2849-2854. |
| [13] | 席生歧;周敬恩;王笑天 .高能球磨制备纳米晶Al/Cu合金[J].材料科学与工艺,1995,4:51-54. |
| [14] | Wang L L;Munir Z A;Holt J B .Combustion synthesis of copper aluminides[J].Metallurgical and Materials Transactions B:Process Metallurgy and Materials Processing Science,1990,21:567-577. |
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%