An upper bound solution for closed die sinter forging of hexagonal shapes |
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Authors: | R. K. Ranjan S. Kumar |
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Affiliation: | (1) Department of Applied Mechanics, Birla Institute of Technology, 835 215 Mesra, Ranchi, India;(2) Department of Production Engineering, Birla Institute of Technology, 835 215 Mesra, Ranchi, India |
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Abstract: | The paper reports on an investigation into the various aspects of closed die cold forging of hexagonal powder preforms, which have been compacted and sintered from atomized powder. It is found that for certain dimensional ratios of the preform, the die pressure is minimum. An attempt has been made determine the die pressures developed during the closed die forging of the hexagonal powder preform by using an upper bound approach. The results so obtained are discussed critically to illustrate the interaction of various process parameters involved and are presented graphically |
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Keywords: | Hexagonal powder preform closed die sintering |
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