Functional metal matrix composites: Self-lubricating, self-healing, and nanocomposites-an outlook

Afsaneh Dorri Moghadam, Benjamin F. Schultz, J. B. Ferguson, Emad Omrani, Pradeep K. Rohatgi, Nikhil Gupta

Research output: Contribution to journalReview articlepeer-review


Many different types of advanced metal matrix composites are now available, some of which possess functional properties. Recent work on particle-reinforced, self-lubricating and self-healing metals and metal matrix nanocomposites (MMNCs) synthesized by solidification synthesis is reviewed. Particlebased MMNCs have been developed by several modern processing tools based on either solid- or liquid-phase synthesis techniques that are claimed to exhibit exciting mechanical properties including improvements of modulus, yield strength, and ultimate tensile strength. This article presents a brief and objective review of the work done over the last decade to identify the challenges and future opportunities in the area of functional nanocomposites. Increasing interest in lightweight materials has resulted in studies on hollow particle-filled metal matrix syntactic foams. Syntactic foams seem especially suitable for development with functional properties such as self-healing and self-lubrication. The metal matrix micro and nanocomposites, and syntactic foams having combinations of ultrahigh strength and wear resistance, selflubricating, and/or self-healing properties can lead to increased energy efficiency, reliability, comfort of operation, reparability, and safety of vehicles. The focus of the present review is aluminum and magnesium matrix functional materials.

Original languageEnglish (US)
Pages (from-to)872-881
Number of pages10
Issue number6
StatePublished - Jun 2014

ASJC Scopus subject areas

  • General Materials Science
  • General Engineering


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