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In the present study, effect of quenching/cooling conditions on microstructure, impact and hardness properties of custom-made Al–15Sn alloy were investigated. Heat-treated Charpy V-notch rectangular bar specimens were suddenly quenched in normal water (28 °C), cold water (6 °C) and ice bath (0 °C). Further, experiments were repeated and allowed to cool in an open atmosphere (air) and furnace to achieve...