Journal of the Japan Society for Technology of Plasticity
Online ISSN : 1882-0166
Print ISSN : 0038-1586
ISSN-L : 0038-1586
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Effect of Specimen Size on High-Density Iron Powder Compact Formed by Compression and Shear Combined Loading
Ryo ITOYuji KUMEMakoto KOBASHINaoyuki KANETAKE
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2013 Volume 54 Issue 634 Pages 1003-1007

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Abstract
To improve the strength of sintered parts, it is important that the density of green compacts should be as high as possible. In the present work, the possibility of achieving a higher density of green compacts by applying compression and shear combined loadings simultaneously than by uniaxial compaction is investigated. The effect of shear loading on powder compact density and the effect of cylindrical specimen size are investigated by compressive and rotational loadings. The internal density distributions are also examined. The improvement in density by applying shear loading was clearly observed. The effects of shear loading on specimen diameter and height were observed, and the gradient of density was decreased by applying shear load.
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© 2013 The Japan Society for Technology of Plasticity
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