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Coated powders for uniform microstructure and fabrication easiness of composites

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1016/B978-0-08-037298-3.50008-6
AuthorSearch for: 1; Search for: 1
Affiliation
  1. National Research Council of Canada
FormatText, Book Chapter
ConferenceThe International Symposium on Advances in Processing of Ceramic and Metal Matrix Composites, August 20–24, 1989, Halifax, Nova Scotia, Canada
Abstract
A new, inexpensive and simple method for agglutinating fine powder on bare particles or cores has been developed. This process allows to coat various kinds of cores with different types of coatings (metal, ceramic, cermet, polymer, etc.). In this work, the advantages of the technique are exemplified by a specific application: the fabrication of wear-resistant composites. Thick iron powder coatings were agglutinated on WC-Co particles. These coated particles were compacted by powder metallurgy techniques and thereafter the compact was infiltrated with copper in order to make them wear-resistant composite parts. The use of coated particles leads to major improvements in the WC-Co particle dispersion. It also provides a material suitable for feeding commercial compacting presses and thus greatiy facilitates the production of composites on an industrial scale.
Publication date
PublisherElsevier
In
  • Processing of Ceramic and Metal Matrix Composites: Proceedings of the International Symposium on Advances in Processing of Ceramic and Metal Matrix Composites, Halifax, August 20–24, 1989: 30–39.
Series
  • Proceedings of Metallurgical Society of Canadian Institute of Mining and Metallurgy I.
LanguageEnglish
Peer reviewedYes
NRC numberCNRC 29913
IGM89TC-302-811-G
NPARC number23004627
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Record created2018-11-29
Record modified2020-06-10
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