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VLPPS: An Emerging Process to Create Well-Defined Components by Additive Manufacturing

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Abstract

Plasma spraying in controlled atmosphere as very-low-pressure plasma spraying (VLPPS) allows to work with different states of matter, particularly vapor. As a result, the coating microstructure is unique (lower-scale elements, pore architecture) and the properties are improved. Another benefit of VLPPS process is the mold filling. Unlike other thermal spray processes, the vapor mode can follow the gas flow and reach the mold walls to fill. The vapor mode deposition is very soft and protects the surface state of the mold/substrate. The coating microstructure is homogeneous on all the geometry. The choice of a soluble salt mold permits to easily get back the coating and use it as a functional part. The objective is to demonstrate that VLPPS process can be used as an additive manufacturing device to create well-defined objects/pieces.

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Acknowledgments

The authors gratefully acknowledge Creaholic Company which supported the project.

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Authors and Affiliations

  1. UBFC, ICB-PMDM-LERMPS UMR6303, 90010, Belfort, France

    Geoffrey Darut, Marie Pierre Planche, Hanlin Liao & Ghislain Montavon

  2. CREAHOLIC SA, Rue Centrale 115, P.O. Box 2500, Biel 7, Switzerland

    Aymeric Niederhauser, Bertrand Jaccoud, Martin Sigrist & Elmar Mock

Authors
  1. Geoffrey Darut
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  2. Aymeric Niederhauser
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  3. Bertrand Jaccoud
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  4. Martin Sigrist
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  6. Marie Pierre Planche
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  7. Hanlin Liao
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  8. Ghislain Montavon
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Correspondence to Geoffrey Darut.

Additional information

This article is an invited paper selected from presentations at the 2018 International Thermal Spray Conference, held May 7-10, 2018, in Orlando, Florida, USA, and has been expanded from the original presentation.

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Darut, G., Niederhauser, A., Jaccoud, B. et al. VLPPS: An Emerging Process to Create Well-Defined Components by Additive Manufacturing. J Therm Spray Tech 28, 255–264 (2019). https://doi.org/10.1007/s11666-018-0792-1

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  • DOI: https://doi.org/10.1007/s11666-018-0792-1

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