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| Plasticity theory during rolling of spray deposited porous materials |
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| 湖南大学 |
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Cite this article:
;. Plasticity theory during rolling of spray deposited porous materials. Chin J Mater Res, 2004, 18(6): 661-667.
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Abstract The yield criterion for porous materials during rolling is proposed based on the
concept of “the materials begin to yield when the apparent strain energy approaches
to a critical value”. The relationships between thickness strain and relative density,
thickness strain and longitudinal strain, plastic Poisson ratio and relative density,
relative density and thickness stress during rolling are derived according to the mass
conservation law. The theoretical predictions show a good agreement with the
experimental results of FVS0812 heat resistant porous aluminium alloy prepared by
spray deposition technology.
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Received: 30 December 2004
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