Microstructural aspects by electron microscopy observed in Al-Mg based alloys after special P/M processes
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Materials Science Forum
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Resumo
In the last decade light materials have been studied thoroughly and used in
components of pieces in the automobile, naval and aerospace industries. Their
application makes possible mass reduce, load capacity increase, improvement in the
mechanical properties when it is possible. Aluminium-magnesium alloys present good
mechanical properties at moderate mechanical efforts (400 to 700 MPa) and good
corrosion resistance. The alloys in study (Al-2Mg-0.6Zr and Al-2Mg-1Nb) were made
by powder metallurgy (P/M) techniques, employing hot compactation and extrusion
processes followed by cold work and thermal treatments. The analysis by SEM and
TEM shows an evolution in the microstructure of precipitates with the increase of the
time of thermal treatment, according to literature. The distribution of the precipitates in
both alloys was observed and identified by EDS microanalysis (SEM and TEM).
Como referenciar
MONTEIRO, W.A.; BUSO, S.J.; ALMEIDA FILHO, A. Microstructural aspects by electron microscopy observed in Al-Mg based alloys after special P/M processes. Materials Science Forum, v. 539-543, p. 446-451, 2007. DOI: 10.4028/www.scientific.net/MSF.539-543.446. Disponível em: http://repositorio.ipen.br/handle/123456789/5110. Acesso em: 30 Dec 2025.
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