Abstract:Recently, the remarkable strengthening effect of ¡-Al(Mn, Fe) Si dispersoids at both ambient temperature and elevated temperature were found by several researches. In AA3xxx alloys, a large amount of dispersoids can form by applying suitable heat-treatment. In the present work, the influences of Cr addition on mechanical properties and microstructures of the AlMnMgSi alloys were investigated. The mechanical properties at ambient temperature were evaluated by micro-hardness and yield strength. Yield strength at… Show more
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