Design of In Situ Metal Matrix Composites Produced by Powder Metallurgy: A Critical Review

Isadora Schramm Deschamps*, D. dos Santos Avila, Enzo Vanzuita Piazera, Robinson Carlos Dudley Cruz, Claudio Aguilar, Aloisio Nelmo Klein

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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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.
Original languageEnglish
Article number2073
Number of pages61
Issue number12
Publication statusPublished - 2022


  • metal matrix composites
  • cermets
  • powder metallurgy
  • computational thermodynamics
  • in situ


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