Methodology to design the interfaces in SiC/Al composites

Jae-chul Lee, J. P. Ahn, Z. Shi, J. H. Shim, H. I. Lee

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

A methodology to control interfacial microstructures, while suppressing formation of Al4C3 in wrought Al alloy composites reinforced with SiC, was demonstrated. Thermodynamic calculations were carded out to elucidate how one can select process parameters in terms of alloy composition and fabrication temperature to obtain intended interfaces. Experimental verifications were conducted using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) to validate calculated results. The reaction mechanisms for forming various interfaces were identified both theoretically and experimentally. Evaluations of the interfacial bonding strengths and interfacial stability at elevated temperatures were also carried out for various interface types.

Original languageEnglish
Pages (from-to)1541-1550
Number of pages10
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume32
Issue number6
Publication statusPublished - 2001 Jul 1
Externally publishedYes

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Composite materials
Thermodynamics
Transmission electron microscopy
Fabrication
Temperature
Microstructure
Scanning electron microscopy
Chemical analysis

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Methodology to design the interfaces in SiC/Al composites. / Lee, Jae-chul; Ahn, J. P.; Shi, Z.; Shim, J. H.; Lee, H. I.

In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol. 32, No. 6, 01.07.2001, p. 1541-1550.

Research output: Contribution to journalArticle

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