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Simulation of rubber isostatic pressing and shape optimization of rubber mold

✍ Scribed by Susumu Shima; Yuuki Sakamoto; Hidetoshi Kotera

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
611 KB
Volume
44
Category
Article
ISSN
0020-7403

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✦ Synopsis

An elastic-plastic FEM is developed to study the fundamental features of rubber isostatic pressing of powder with a view to performing a net-shape process. Experiments are also performed. It is thus shown that the properties of the rubber, in particular Poisson's ratio, give a great in uence on the shape of compact and density distribution. The thickness of the rubber mold is also in uential; the thicker the mold, the closer is the shape of compact to the cavity shape. An optimization scheme is also developed, so that one is able to determine the cavity shape that gives a desired shape of compact.

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✍ Masato Sagawa; Hiroshi Nagata; Toshihiro Watanabe; Osamu Itatani πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science βš– 493 KB

## Ε½ . A brief review is given about the development of rubber isostatic pressing RIP of powders for magnets and other materials that includes: principles of RIP; RIP apparatuses; recent progress; and advantages of RIP. As the recent progress, a new filling Ε½ . Ε½ . technique, 'air tapping AT and g