Characterization of stainless steel fiber reinforced aluminum composite using ultrasonic nonlinearity

Chung Seok Kim, Kyung Young Jhang, Chang Young Hyun

Research output: Contribution to journalArticle

Abstract

A 304 stainless steel short fiber reinforced aluminum composite was fabricated and investigated for matrix voids as well as interfacial reaction using ultrasound. The aluminum composite was made by a hot isostatic pressing technique at a temperature of 600°C and subsequent aging at 120°C. The tensile strength significantly increased with the addition of 5% stainless steel fiber. The interfacial reaction evolved and grew with aging time due to generation of intermetallic FeAl2. The ultrasonic nonlinearity (β/β0) increased with the volume fraction of fiber and aging heat treatment because of the generation of microvoids resulted from localized fibers and matrix precipitation. This study demonstrates the potential for characterization of reinforced composite materials fabricated by the powder metallurgy technique.

Original languageEnglish
Pages (from-to)2585-2590
Number of pages6
JournalInternational Journal of Modern Physics B
Volume24
Issue number15-16
DOIs
StatePublished - 2010 Jun 30

Fingerprint

stainless steels
ultrasonics
nonlinearity
aluminum
composite materials
fibers
hot isostatic pressing
powder metallurgy
matrices
tensile strength
intermetallics
voids
heat treatment
temperature

Keywords

  • Aluminum
  • Composite
  • Metal matrix composite
  • Nonlinearity
  • Stainless steel fiber

Cite this

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Characterization of stainless steel fiber reinforced aluminum composite using ultrasonic nonlinearity. / Kim, Chung Seok; Jhang, Kyung Young; Hyun, Chang Young.

In: International Journal of Modern Physics B, Vol. 24, No. 15-16, 30.06.2010, p. 2585-2590.

Research output: Contribution to journalArticle

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