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1 2008

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Influence of the ageing on mechanical properties of the aluminium alloy AlSi9Mg

Dobrzański L., Reimann Ł., Krawczyk G.

Archives of Materials Science and Engineering

2008

Vol. 31, nr 1

37-40

Purpose: The goal of this paper was study the influence of temperature and time in the age-hardening on the selected mechanical properties and hardness of the AlSi9Mg alloy. Design/methodology/approach: The efficiency of the age-hardening were tested on laboratory specimens through the statically tension test on ZWICK/Z100. Damages were critically assessed through SEM investigations. Evaluation the mechanical properties of prepared samples were realized by solutioning and then ageing in different periods of time. Findings: Adequately selected time of the ageing improved the hardening and plasticity and reduce the tendency of aluminium to formation of coagulations. Research limitations/implications: The described investigations were limited to changes the mechanical properties of the specimens in different periods of time of aging, in solid temprature. In future research works should show the influence of change of temperature process on studied AlSi9Mg alloy, as well as different lightweight alloy. Originality/value: The paper contributes to better understanding and recognition the mechanisms of agehardening.