A study of densification and phase transformations of nanocomposite Cu-Fe prepared by mechanical alloying and consolidation process

被引：12

作者：

Azabou, M. ^{[1
]}

Makhlouf, T. ^{[2
]}

Saurina, Joan ^{[3
]}

Escoda, Luisa ^{[3
]}

Sunol, J. J. ^{[3
]}

Khitouni, M. ^{[1
]}

机构：

[1] Univ Sfax, Inorgan Chem Lab, UR Es 73 11, BP 1171, Sfax 3018, Tunisia

[2] Univ Sfax, Lab Georesources, LR ES 23 13, BP 1171, Sfax 3018, Tunisia

[3] Univ Girona, Dep Fis, Campus Montilivi, Girona 17071, Spain

来源：

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2016年 / 87卷 / 1-4期

关键词：

Mechanical alloying; Consolidation; Annealing process; X-ray diffraction; Fe-Cu intermetallic; EVOLUTION; AL;

D O I：

10.1007/s00170-016-8551-2

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The purpose of this study is an attempt to obtain nanocrystalline bulk Cu-40 at.% Fe alloy by mechanical alloying followed by consolidation process under 7 GPa and annealing. The transformations occurring in the material were studied by the use of X-ray diffraction. The structural investigations revealed that consolidation enabled supersaturated Cu(Fe) to precipitate out Cu4Fe and CuFe4 intermetallics. A limited grain growth was noticed after annealing. The results of microhardness have shown that the hardening increases similarly up to 40 h milling. The variation of microhardness as a function of the reciprocal square root of the grain size demonstrates that the rate of hardening is similar to that predicted by the Hall-Petch behavior.

引用

页码：981 / 987

页数：7

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