Large Scale Heat Treatment Of Aluminium Alloy 1050 H24 For Forming Process

Norazlin, Ajali (2013) Large Scale Heat Treatment Of Aluminium Alloy 1050 H24 For Forming Process. Project Report. UTeM, Melaka. (Submitted)

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Abstract

Aluminium Alloy is widely used in industry because of high strength and hardness of the material, but one great characteristic is the surface finish. Heat treatment was performed using Furnace 1300 on the material with different temperature, ranging from 350°C - 660°C. Each temperature have different time of heating, ranging from one hour to two hour, and followed by normalizing process at 170°C for 15 hours duration. After that, specimens have been cooled at room temperature. All the specimens were test using tensile testing machine and microhardness testing using Vicker’s microhardness testing machine. From the conducted experiment, it shows that non-heat treated Aluminium Alloy 1050 H24 produce high value of tensile and hardness compared to heat treated Aluminium Alloy 1050 H24.Optical Microscope has been used to observe and calculate the changes of the grain size before and after heat treatment process. It was found that grain size increased after the heat treatment process. In conclusion, heat treatment can alter the mechanical properties and the grain size. This study is important in order to make the materials softer for forming process, such as stamping process. As the material being soft, the product defects can be reduce.

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