journal article·2010-04Open access

Wetting of grain boundaries in Al by the solid Al3Mg2 phase

B. B. Straumal, B. Baretzky, O. A. Kogtenkova, A. B. Straumal, A. S. Sidorenko

Journal of Materials Science· Volume 45· Issue 8

Abstract

The microstructure of binary Al100−x –Mg x (x = 10, 15, 18 and 25 wt%) alloys after long anneals (600–4000 h) was studied between 210 and 440 °C. The transition from incomplete to complete wetting of Al/Al grain boundaries (GBs) by the second solid phase Al3Mg2 has been observed. The portion of completely wetted GBs increases with increasing temperature beginning from T wsmin = 220 °C. Above T wsmax = 410 °C all Al/Al GBs are completely wetted by the Al3Mg2 phase.
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Research context

OpenAlex topics: Aluminum Alloy Microstructure Properties · Aluminum Alloys Composites Properties · Microstructure and mechanical properties

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