Joining characteristics of oxidized SiC particles reinforced Al-Mg matrix composite prepared by reaction infiltration processing

Zhongliang Shi, Shijiro Ochiai, Masaki Hojo, Jae-chul Lee, Mingyuan Gu, Hoin Lee

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The joining characteristics of oxidized SiC particles with Al-Mg alloy during reaction infiltration processing for fabrication of the composite were Studied. From the measurement of weight changes due to the transformation from SiC into SiO2, it became clear that the thickness of SiO2 layer which was formed at the surface of SiC particles increased parabolically with holding time at the given exposing temperatures. The degree of oxidation of the preform made by SiC particles can be controlled by the application of the present oxidation data. The microstructure observed by field emission scanning electron microscopy showed network skeleton via necklike oxidized-joining among the SiC particles and the compressive strength of the perform increased with oxidation temperature. Furthermore, the microstructure of the composite which was fabricated by Al-2 wt% Mg alloy via reaction infiltration processing was examined and the formation of spinel was observed to join the matrix with the particles like a bridge, which is suitable to make the complicate and strong preforms for the near net-shape composites application in electronic packaging.

Original languageEnglish
Pages (from-to)400-406
Number of pages7
JournalJournal of Materials Research
Volume16
Issue number2
Publication statusPublished - 2001 Feb 1
Externally publishedYes

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infiltration
Infiltration
Joining
Oxidation
composite materials
Composite materials
matrices
Processing
preforms
Microstructure
Electronics packaging
oxidation
Field emission
Compressive strength
electronic packaging
microstructure
compressive strength
Fabrication
Temperature
Scanning electron microscopy

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Joining characteristics of oxidized SiC particles reinforced Al-Mg matrix composite prepared by reaction infiltration processing. / Shi, Zhongliang; Ochiai, Shijiro; Hojo, Masaki; Lee, Jae-chul; Gu, Mingyuan; Lee, Hoin.

In: Journal of Materials Research, Vol. 16, No. 2, 01.02.2001, p. 400-406.

Research output: Contribution to journalArticle

Shi, Zhongliang ; Ochiai, Shijiro ; Hojo, Masaki ; Lee, Jae-chul ; Gu, Mingyuan ; Lee, Hoin. / Joining characteristics of oxidized SiC particles reinforced Al-Mg matrix composite prepared by reaction infiltration processing. In: Journal of Materials Research. 2001 ; Vol. 16, No. 2. pp. 400-406.
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