REACTIVE SYNTHESIS OF ALUMINIDE INTERMETALLICS

被引:57
作者
DUNAND, DC
机构
[1] Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA
关键词
D O I
10.1080/10426919508935033
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Reactive synthesis of bulk and reinforced aluminides are reviewed. When processed under optimal conditions, reactively-synthesized aluminides display room-temperature mechanical properties as good as, or better than, cast aluminides. Frequently encountered defects resulting from reactive synthesis are: (i) porosity, (ii) incomplete synthesis and (iii) loss of shape due to liquid formation. Using a simple mass balance, the amount of liquid aluminide is calculated as a function of the initial temperature of the reactants. Process maps are discussed for some of the aluminides of nickel and titanium.
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页码:373 / 403
页数:31
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