Metallization of various polymers by cold spray

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DOIResolve DOI: https://doi.org/10.1007/s11666-017-0663-1
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  1. National Research Council of Canada. Automotive and Surface Transportation
FormatText, Article
Proceedings titleJournal of Thermal Spray Technology
ConferenceThe 2017 International Thermal Spray Conference, June 7-9, 2017, Düsseldorf, Germany
ISSN1059-9630
1544-1016
Volume27
Issue1-2
Pages169–178
Subjectcold spray; deposition window; metallization of polymers; polymeric substrate
Abstract
Previous results have shown that metallic coatings can be successfully cold sprayed onto polymeric substrates. This paper studies the cold sprayability of various metal powders on different polymeric substrates. Five different substrates were used, including carbon fiber reinforced polymer (CFRP), acrylonitrile butadiene styrene (ABS), polyether ether ketone (PEEK), polyethylenimine (PEI); mild steel was also used as a benchmark substrate. The CFRP used in this work has a thermosetting matrix, and the ABS, PEEK and PEI are all thermoplastic polymers, with different glass transition temperatures as well as a number of distinct mechanical properties. Three metal powders, tin, copper and iron, were cold sprayed with both a low-pressure system and a high-pressure system at various conditions. In general, cold spray on the thermoplastic polymers rendered more positive results than the thermosetting polymers, due to the local thermal softening mechanism in the thermoplastics. Thick copper coatings were successfully deposited on PEEK and PEI. Based on the results, a method is proposed to determine the feasibility and deposition window of cold spraying specific metal powder/polymeric substrate combinations.
Publication date
PublisherSpringer
LanguageEnglish
Peer reviewedYes
NPARC number23003120
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Record created2018-04-25
Record modified2020-06-03
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