Department of Mining and Materials Engineering;
Faculty of Engineering;
Prince of Songkla University;
Hatyai;
Songkhla;
90112;
Thailand;
Department of Civil Engineering;
Faculty of Engineering;
Prince of Songkla University;
Hatyai;
Songkhla;
90112;
Thailand;
friction stir welding(FSW); SSM7075 aluminium alloy; post-weld heat treatment(PWHT);