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Alloy 2017 (Al Cu Mg) is a hard aluminium alloy strengthened by heat treatment.
Because of its higher strength, finer weldability and ductility, hard aluminium alloy 2017 has been widely used in the field of aeronautics and astronautics.
In this paper, the high-temperature ultimate strength, loading time and other mechanical properties of hard aluminium alloy 2017 under different transient heating temperatures and loading conditions are investigated by combining a transient aerodynamic heating simulation system and a material testing machine.
The task consisted of sequential manipulation of nonmagnetic hard aluminium spheres with equal mass (32.5 g) and volume (11.5 cm3), which were presented to the subjects' right (dominant) hand by an investigator standing next to the scanner.
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Different materials are employed, including mechanical carbon-graphite with resin or antimony impregnation, metals and hard coatings, aluminium oxide, tungsten carbide and silicon carbide.
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