Influence of the processing on the ordering process in the Al-Ti binary system with composition close to Al3Ti

被引:7
作者
Illekova, E. [1 ]
Svec, P. [1 ]
Janickovic, D. [1 ]
机构
[1] Slovak Acad Sci, Inst Phys, Bratislava 84511, Slovakia
来源
13TH INTERNATIONAL CONFERENCE ON RAPIDLY QUENCHED AND METASTABLE MATERIALS | 2009年 / 144卷
关键词
ALLOYS; STABILITY;
D O I
10.1088/1742-6596/144/1/012111
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
The phases and their stability in Al(70)Ti(30), Al(75)Ti(25) and Al(80) Ti(20) planar flow cast ribbons and their master alloys have been studied. Analyses are based on the XRD and DTA measurements. In all samples the high-temperature Al(11)Ti(5) and Al(5)Ti(2) superstructures (1d-APSs) have been present. The stable low-temperature phases Al(2)Ti, Al(3)Ti and Al have been identified, too. The 1d-APSs being formed as first during the quenching persist for considerable time also at low temperatures. During heating in reverse, only the 1d-APSs remain before melting, being formed after large superheating from all low-temperature phases in Al(70)Ti(30) and Al(75)Ti(25) alloys. The phase Al(11)Ti(5) is reported in the Al(3)Ti and more Al-rich alloys for the first time.
引用
收藏
页数:6
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