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Comparative research on high-velocity compaction and conventional rigid die compaction

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Abstract

Experiments were carried out with different apparatus to compact electrolytic copper powders at distinct loading speeds. It appears that green densities of compacts prepared by HVC out-number that by conventional compaction by one percent. Compacts by quasi-static compaction are almost as dense as those by HVC under comparable peak pressure. The relationship between green compact density and peak pressure accords with Hang Pei-yun formula well. Spring-backs of HVC compacts are far smaller than those of conventional compaction and quasi-static compaction. HVC compacts are harder than compacts by conventional compaction and quasi-static compaction when they have the same density.

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Authors and Affiliations

  1. State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China

    Ming-jun Yi, Hai-qing Yin, Jian-zhong Wang, Xian-jie Yuan & Xuan-hui Qu

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  1. Ming-jun Yi
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  2. Hai-qing Yin
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  3. Jian-zhong Wang
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  4. Xian-jie Yuan
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  5. Xuan-hui Qu
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Correspondence to Xuan-hui Qu.

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Yi, Mj., Yin, Hq., Wang, Jz. et al. Comparative research on high-velocity compaction and conventional rigid die compaction. Front. Mater. Sci. China 3, 447–451 (2009). https://doi.org/10.1007/s11706-009-0057-5

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  • DOI: https://doi.org/10.1007/s11706-009-0057-5

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