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Tensile strength variation of pre-strained aluminium alloy due to annealing

Afdila, Aziz (2007) Tensile strength variation of pre-strained aluminium alloy due to annealing. Faculty of Mechanical Engineering, University Malaysia Pahang.

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Abstract

The automobile is a self-propelled vehicle that travels on land. There are many different styles of cars. Today, the automotive industry is one of the biggest in the world. Body of car is a major component part in the automotive manufactured. Aluminium-Magnesium (Al-Mg) alloys have very good formability properties and have been used extensively for interior structural components of automotive body-inwhite (BIW). However, at elevated temperatures, high diffusivity of Mg atoms allows easy dislocations rearrangements which lead to reduction of mechanical strength (softening/thermal recovery). Straining during' press forming process also the problem in manufactured body of car. The two factors caused the components made out of Al-Mg alloy sheet to be susceptible to softening during paint bake cycle. During studies, softening behaviour is under the influences of time, temperature and pre-strain. The result of this investigation will be useful information for design and selection stages of Al-Mg sheet alloys because it reveals how much softening actually occurring as function of temperature and pre-straining.

Item Type: Undergraduates Project Papers
Uncontrolled Keywords: Annealing of metals Aluminum alloys -- Heat treatment Strength of materials
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Shamsor Masra Othman
Date Deposited: 14 Mar 2012 03:05
Last Modified: 03 Mar 2015 07:55
URI: http://umpir.ump.edu.my/id/eprint/2254
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