Study Of Mechanical Properties Of Heat Treated Aluminium Alloy

Wan Ruzzeli, Wan Mohd Amierul (2018) Study Of Mechanical Properties Of Heat Treated Aluminium Alloy. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Heat treatment is one of the important controlling factors used to enhance the mechanical properties of an alloy.This research about the mechanical properties of heat-treated aluminium alloy by implementing two testing which is hardness testing and tensile testing.Main problem statement of this research is to see how aluminium can be increased its hardness and strength.The main objective of this research is to determine the mechanical behaviour of heat treated aluminium alloy 6061.Another objective is to conduct the hardness and tensile testing in order to analyse the properties of the heat treated aluminium alloy.The material that is used is aluminium alloy 6061 series and had been undergone lasercut process to the dogbone shape.There are 4 specimen of dogbone shape which is will divided to two section.The first section is non heat treated while another section is heat treated.The heat treated will undergone heat treatment process which is solution heat treatment.All specimen the will go through first testing which is hardness testing by using Rockwell hardness Machine.In this testing,the specimen will be tested to get the value of the hardness of each specimen.The second process is tensile test.In tensile testing,result of max load,Ultimate tensile Strength and Young’s Modulus are been investigated.In tensile testing,the result show the change in mechanical properties of the heat treated.From the hardness result also,we can see the difference of method use in testing the hardness value.In conclusion, the aluminium alloy become more ductile compare to the normal after analysing the graph.

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