Abstract
By phenomenological analysis of warm compaction, it is found that, compared with the contribution of particle plastical deformation to densification of powder compact, the particle rearrangement is a dominant densification mechanism for powder warm compaction, and the plastical deformation of particles plays an important role in offering accommodating deformation for particle rearrangement and densifying powder compact at the final stage of pressing. In order to attain density gain as high as possible during warm compaction, six rules for designing warm-compacting powder mixtures were proposed in detail.
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Foundation items: The National Advanced Materials Committee of China(No. 715-011-0060
Biography of the first author: CAO Shun-hua, born in Jan. 1965, majoring in warm compaction and homogenous Cu-W electrodes.
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Cao, Sh., Huang, By., Qu, Xh. et al. Densification mechanism of warm compaction and powder mixture designing rules. J Cent. South Univ. Technol. 7, 4–6 (2000). https://doi.org/10.1007/s11771-000-0002-3
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DOI: https://doi.org/10.1007/s11771-000-0002-3