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Powder/die friction in the spark plasma sintering process: Modelling and experimental identification

Manière, Charles and Durand, Lise and Estournès, Claude Powder/die friction in the spark plasma sintering process: Modelling and experimental identification. (2016) Scripta Materialia, 116. 139-142. ISSN 1359-6462

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Official URL: http://dx.doi.org/10.1016/j.scriptamat.2016.01.040

Abstract

The powder/die friction phenomenon is known to generate densification inhomogeneities in the spark plasma sintered sample. The measurement of a powder/solid friction coefficient at high temperature is very difficult if not impossible by classical means. Then, an experimental/simulation method of identification of the friction coefficient based on the sample displacement field is introduced. This reveals that the friction of contact type powder/wall is low and about 0.1 and the friction type powder/graphite-foil/wall is close to zero. The relative density inhomogeneities are limited to a maximum difference of 3%.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Scripta Materialia website : http://www.sciencedirect.com/science/journal/13596462
HAL Id:hal-01486908
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: cirimat webmestre
Deposited On:10 Mar 2017 14:43

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