Effect Of Re-solution Heat Treatment Temperature On The Impact Toughness Of An Aluminum Alloy For Automotive Application

Aishah , Mazelan (2010) Effect Of Re-solution Heat Treatment Temperature On The Impact Toughness Of An Aluminum Alloy For Automotive Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The effects of resolution heat treatment temperature on the impact toughness of an aluminum alloy for aluminum alloy were study. 6061-T6 aluminum alloy were heat treated for four different re-solution treatment temperatures at 2 hour (520˚C, 540˚C,560˚C and 580˚C). Brinell Hardness Test and Charpy Impact Test were conduct after all the heat treatment had been done. From hardness test show that highest hardness was achieved at the highest temperature for heat treated aluminum alloy but the hardness value of non heat treated sample is obviously increased. From impact toughness, the result show that heat treated sample is proportional to the increasing of heat treatment temperature. Microstructure characterizations that were carried out by optical microscope using image analyzer showed that as the solution treatment temperature increased the precipitates and the grains coarsened.

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