Effect of various processing methods on the interfacial reactions in SiCp/2024 A1 composites

Jae Chul Lee, Ji Young Byun, Chang Seok Oh, Hyun Kwang Seok, Ho In Lee

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Abstract

SiCp/2024 A1 composites were prepared using various processing techniques, such as spray forming, powder metallurgical hot pressing, thixoforming, and compocasting. The interfacial characterizations of these composites were performed using scanning electron microscopy, Auger electron spectrometry, transmission electron microscopy, and X-ray diffraction on reaction products extracted using the electrochemical dissolution. The value of these combined techniques in elucidating the morphologies of the interfacial reaction products was also demonstrated. The influence that each fabrication process has on the extent of the interfacial reaction was studied. Adequate process parameters to fabricate SiCp/A1 alloy composites were proposed based on thermodynamic considerations.

Original languageEnglish
Pages (from-to)5303-5315
Number of pages13
JournalActa Materialia
Volume45
Issue number12
DOIs
Publication statusPublished - 1997 Dec

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Polymers and Plastics
  • Metals and Alloys

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