The interfacial characterization of oxidized SiC(p)/2014 A1 composites

Zhongliang Shi, J. M. Yang, Jae-chul Lee, Di Zhang, H. I. Lee, Renjie Wu

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

The passive oxidation behavior of SiC particles at elevated temperatures has been studied. The evolution of interfacial reaction products in 2014 aluminum alloy composite reinforced with oxidized-SiC particles after extended thermal exposure at elevated temperatures were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction. Although it could prevent the interfacial reaction between SiC particles and aluminum alloy, the preoxidation of SiC particles resulted in the formation of other interfacial reaction products. The results showed that at elevated temperatures nano-MgO formed initially on the surface of the oxidized SiC particles and then turned into nano-MgAl2O4 crystal due to the reaction between the SiO2 and aluminum alloy containing Mg. TEM observations indicated that the oxidized layer on SiC particles was uniform and had a good bonding with SiC and aluminum alloy.

Original languageEnglish
Pages (from-to)46-53
Number of pages8
JournalMaterials Science and Engineering A
Volume303
Issue number1-2
DOIs
Publication statusPublished - 2001 May 15
Externally publishedYes

Fingerprint

Aluminum alloys
Surface chemistry
aluminum alloys
composite materials
Composite materials
Reaction products
Transmission electron microscopy
reaction products
Temperature
transmission electron microscopy
X ray diffraction
Oxidation
Crystals
Scanning electron microscopy
temperature
oxidation
scanning electron microscopy
diffraction
crystals
x rays

Keywords

  • Aluminum matrix composite
  • Interface
  • Oxidation of SiC particles
  • SiC particles

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

The interfacial characterization of oxidized SiC(p)/2014 A1 composites. / Shi, Zhongliang; Yang, J. M.; Lee, Jae-chul; Zhang, Di; Lee, H. I.; Wu, Renjie.

In: Materials Science and Engineering A, Vol. 303, No. 1-2, 15.05.2001, p. 46-53.

Research output: Contribution to journalArticle

Shi, Zhongliang ; Yang, J. M. ; Lee, Jae-chul ; Zhang, Di ; Lee, H. I. ; Wu, Renjie. / The interfacial characterization of oxidized SiC(p)/2014 A1 composites. In: Materials Science and Engineering A. 2001 ; Vol. 303, No. 1-2. pp. 46-53.
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AU - Wu, Renjie

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