Synthesis of quasi-crystalline phases in the Al-Cu-Fe-Cr system

被引:3
作者
Chugunov, D. B. [1 ]
Meshkov, L. L. [2 ]
Kalmykov, K. B. [2 ]
Osipov, A. K. [1 ]
机构
[1] Ogarev Mordovia State Natl Res Univ, Ul Bolshevistskaya 68, Saransk 430005, Mordovia, Russia
[2] Moscow MV Lomonosov State Univ, Fac Chem, Chair Gen Chem, Moscow 119992, Russia
关键词
AS-CAST; MICROSTRUCTURE; APPROXIMANTS; ALLOYS; ALCUFE;
D O I
10.1134/S003602361601006X
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Phase equilibria in the Al-Cu-Fe system alloyed with 5% Cr were studied. Based on the data of X-ray powder diffraction analysis, electron microscopy, and differential thermal analysis, the effect of temperature on i a double dagger" d phase transitions in alloys Al65Cu25Fe5Cr5 and Al70Cu20Fe5Cr5. In the Al-Cu-Fe-Cr system, multiphase structures were detected; these structures are mixtures of quasi-crystalline and approximant phases, the contents and morphologies of which depend on the composition of the initial mixture and the crystallization rate.
引用
收藏
页码:11 / 17
页数:7
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