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Selective aluminum dissolution as a means to observe the microstructure of nanocrystalline intermetallic phases from Al–Fe–Cr–Ti–Ce rapidly solidified alloy |
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| Institution: | 1. Pratt & Whitney, Materials & Process Engineering, Structural Alloys and Processes, 400 Main Street, Mail Stop 114-40, East Hartford, CT 06108, USA;2. Department of Materials Science and Engineering, Institute of Materials Science, University of Connecticut, Unit 3136, 97 North Eagleville Road, Storrs, CT 06269-3136, USA |
| Abstract: | Rapidly solidified aluminum alloys are promising materials with very fine microstructure. The microscopy observation of these materials is complicated due to overlay of fcc-Al matrix and different intermetallic phases. A possible way to solve this problem is to dissolve the Al matrix. By this process powder formed by single intermetallic phase particles is obtained. In this paper a new aqueous based dissolving agent for Al-based alloy is presented. The influence of oxidation agent (FeCl3) concentration on quality of extraction process was studied. |
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