Design of In Situ Metal Matrix Composites Produced by Powder Metallurgy
A Critical Review
Isadora Schramm Deschamps (Campus Universitario Reitor Joao David Ferreira Lima)
D. dos Santos Avila (Campus Universitario Reitor Joao David Ferreira Lima, TU Delft - Team Maria Santofimia Navarro)
Enzo Vanzuita Piazera (Campus Universitario Reitor Joao David Ferreira Lima)
Robinson Carlos Dudley Cruz (Hecílio Randon Institute, University of Caxias do Sul)
Claudio Aguilar (Universidad Técnica Federico Santa María)
Aloisio Nelmo Klein (Campus Universitario Reitor Joao David Ferreira Lima)
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Abstract
In situ composite manufacture is an approach to improve interfacial adhesion between matrix and reinforcements, in which reinforcements are synthesized along composite processing itself. In situ powder metallurgy route, in particular, offers alternatives to some shortcomings found in other techniques. This work aims not only to review the state of the art on metal matrix composites (MMCs)—including cermets—obtained in situ by powder metallurgy, but also to dissect key aspects related to the development of such materials in order to establish theoretical criteria for decision making before and along experiments. Aspects regarding the design, raw material selection, and processing of such composites were observed and divided between concept, intrinsic, and extrinsic parameters. That way, by means of material databases and computational thermodynamics applied to examples of the reviewed literature, we aim at providing tools in both conducting leaner experiments and richer discussion in this field.
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