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Analysis of the Cold Compaction Behavior of Titanium Powders: A Comprehensive Inter-model Comparison Study of Compaction Equations

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Abstract

A brief background to compaction equations and their application to titanium powder is presented. The behavior and mechanisms of densification in selected titanium powders is critically analyzed by means of a comprehensive inter-model comparison of existing compaction equations. The results are discussed in terms of the comparative evaluation of cold uniaxial compaction tests of sponge Ti, CP TiH2, CP Grade 2 Ti, and TiH2-SS316L nanocomposite powder samples, which were conducted at applied compaction pressures of up to 1250 MPa.

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Acknowledgments

The contributions of Chris Machio, Silethelwe Chikosha, and Thembinkosi Shabalala are gratefully recognized. The work was financially supported by the Council for Scientific and Industrial Research and the Department of Science and Technology (RSA) through the Titanium Centre of Competence research program.

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Authors and Affiliations

  1. Titanium Centre of Competence, Council for Scientific and Industrial Research, P.O. Box 395, Pretoria, 0001, South Africa

    Ronald Machaka (Senior Researcher) & Hilda K. Chikwanda (Research Group Leader)

  2. Light Metals, Materials Science and Manufacturing, Council for Scientific and Industrial Research, P.O. Box 395, Pretoria, 0001, South Africa

    Ronald Machaka (Senior Researcher) & Hilda K. Chikwanda (Research Group Leader)

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  1. Ronald Machaka
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Correspondence to Ronald Machaka.

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Manuscript submitted November 4, 2014.

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Machaka, R., Chikwanda, H.K. Analysis of the Cold Compaction Behavior of Titanium Powders: A Comprehensive Inter-model Comparison Study of Compaction Equations. Metall Mater Trans A 46, 4286–4297 (2015). https://doi.org/10.1007/s11661-015-3038-6

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