Microstructure and Mechanical Properties of AC7A Al Alloy Propeller Fabricated by Electromagnetic Stirring Treatment
In the present study, a propeller with properties better than commercial propellers was manufactured using electromagnetic stirring. In order to investigate the microstructural properties of an AC7A aluminum alloy propeller, it was first fabricated using electromagnetic stirring. The relationship between the grain size and hardness property of a cast AC7A aluminum alloy propeller were investigated and compared with that of commercial propellers for leisure boats. In microstructural observations of the body and blade of the Al propeller, it was possible to achieve a casting without defects such as shrinkage and porosity. It also displayed a higher hardness and finer grain than commercial Al propellers.
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Document Type: Research Article
Publication date: October 1, 2018
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