Stress analysis of compression of aluminium with rotating tools
Ma, Xiang, Barnett, Matthew and Kim, Y. H. 2004, Stress analysis of compression of aluminium with rotating tools, in Aluminium alloys : their physical and mechanical properties : proceedings of the 9th International Conference on aluminium alloys (ICAA9), IMEA, North Melbourne, Vic., pp. 1123-1127.
Compression tests carried out on aluminium specimens showed that when the die was rotated the compression load dropped. A slab method is employed to examine this process. The load reduction is explained by the deviation of friction vector due to the relative circumferential movement between the die and the material. This mechanism is incorporated into a theoretical model and an expression is derived for compression pressure. Analytical solutions established compare favourably with experimental results. It is also shown that there is a limitation to the load reduction: the compressive load can never be lower than 70 percent of the yield limit.
Field of Research
091399 Mechanical Engineering not elsewhere classified
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