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<p>Surface metal matrix composites (MMCs) represent a modern class of engineered materials where the surface is modified by introducing a dispersed secondary phase in the form of particles, while the core retains its original chemical composition and structure. These surface MMCs find promising applications in various industries, including automotive, aerospace, biomedical and power. Among the advanced techniques for producing surface composites in a solid-state manner, friction stir processing (FSP) has recently gained significant popularity. Surprisingly, even challenging metals like copper and its alloys have been successfully processed using FSP to create surface MMCs. Modifying various variables involved in FSP can also alter the microstructure, mechanical and wear properties of the copper base material. This paper represents a state-of-the-art review of the effects of different variables of FSP on the mechanical properties of copper metal matrix composites (CMMCs) fabricated through the FSP method. Additionally, the review article will offer insights into future research directions for copper as a base metal.</p>

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Research Status and Development Trends of Copper Metal Matrix Composites Synthesized Through Friction Stir Processing: An Analysis of Process Parameters

  • 期刊论文

  • 发表日期：

    2025年6月23日

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  • Abdul Jabbar Ansari,
  • Mithlesh Kumar Mahto,
  • Aditya Prakash Yadav,
  • Kamlesh Tiwari

摘要

Surface metal matrix composites (MMCs) represent a modern class of engineered materials where the surface is modified by introducing a dispersed secondary phase in the form of particles, while the core retains its original chemical composition and structure. These surface MMCs find promising applications in various industries, including automotive, aerospace, biomedical and power. Among the advanced techniques for producing surface composites in a solid-state manner, friction stir processing (FSP) has recently gained significant popularity. Surprisingly, even challenging metals like copper and its alloys have been successfully processed using FSP to create surface MMCs. Modifying various variables involved in FSP can also alter the microstructure, mechanical and wear properties of the copper base material. This paper represents a state-of-the-art review of the effects of different variables of FSP on the mechanical properties of copper metal matrix composites (CMMCs) fabricated through the FSP method. Additionally, the review article will offer insights into future research directions for copper as a base metal.