On the competition between continuous and discontinuous precipitations in binary MgAl alloys

D. Duly, J. P. Simon, Y. Brechet

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In MgAl, continuous precipitation is favoured at high and at low temperatures, whereas discontinuous precipitation dominates at intermediate temperatures. At high temperatures, discontinuous precipitation disappears both because volume diffusion prevents its growth and because its nucleation becomes difficult. At low temperatures continuous precipitation in the early stages of the heat treatment impedes the initiation of discontinuous precipitation.

Original languageEnglish
Pages (from-to)101-106
Number of pages6
JournalActa Metallurgica Et Materialia
Issue number1
Publication statusPublished - Jan 1995
Externally publishedYes

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