Fatigue fracture mechanisms for SiC whiskers and SiC particulates reinforced aluminum composites

Chitoshi Masuda, Yoshihisa Tanaka

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Fatigue was examined for three commercially fabricated aluminum matrix composites containing SiC whiskers and particles under rotating bending in laboratory air. Fatigue strength at 107 was about 67% higher for the composite than that for the matrix alloy. SiCp/A356 and SiCp/A357 composites the fatigue strengths were also higher than that of the matrix alloy. Fractography revealed that a mode II crack propagated through the whisker/matrix or particle/matrix interface for SiCw/A2024 and SiCp/A357 composite materials. For SiCp/A356 composite material, the crack initiated at some small voids beneath the surface. Mode I and Mode II fatigue crack propagation models are proposed.

Original languageEnglish
Pages (from-to)1753-1760
Number of pages8
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume75
Issue number9
Publication statusPublished - 1989 Sep
Externally publishedYes

Fingerprint

Aluminum
particulates
Fatigue of materials
aluminum
composite materials
Composite materials
matrices
cracks
fractography
Cracks
Fractography
crack propagation
Fatigue crack propagation
voids
air
Air
Fatigue strength

ASJC Scopus subject areas

  • Metals and Alloys

Cite this

Fatigue fracture mechanisms for SiC whiskers and SiC particulates reinforced aluminum composites. / Masuda, Chitoshi; Tanaka, Yoshihisa.

In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, Vol. 75, No. 9, 09.1989, p. 1753-1760.

Research output: Contribution to journalArticle

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