Abstract
Abstract This study focused on examining the hot ductility characteristics of aluminium alloy 7075-T651. Hot ductility is the capacity of a substance to undergo deformation at high temperatures without fracturing. Aluminium alloys typically demonstrate favorable hot ductility, rendering them appropriate for a wide range of high-temperature applications. The investigation entails performing hot tensile tests for AA7075-T651 aluminium alloy at different deformation temperatures (350°C-525°C), followed by fractography to ascertain the fracture mode. The ductility of the AA7075-T651 alloy was greatly enhanced during this procedure. The findings indicate that the hot working range of the aluminium alloy 7075-T651 can be expanded to 525°C instead of a liquidus start temperature of 477°C with a maximum of 30% ductility. The fractography results demonstrate that the fracture mode remains ductile. The AA7075-T651 aluminium alloy exhibits excellent thermal stability, allowing it to be hot worked at temperatures as high as 525°C without experiencing any sudden alterations in its characteristics or fracture behaviour.
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More From: IOP Conference Series: Materials Science and Engineering
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