Fatigue behavior of SiC particulate reinforced spray-formed 7XXX series Al-alloys

M. M. Sharma, C. W. Ziemian, Timothy John Eden

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

This paper presents the fatigue results obtained in high strength spray-formed 7XXX series Al-alloys reinforced with the addition of silicon carbide particulate. This is one in a series of papers reporting on experimental studies completed to analyze the effects of processing and composition on numerous properties of these 7XXX series Al-alloys. In this study, testing was performed in tension on specimens with a constant amplitude axial fatigue cycle of R=-1.0. Test results were also compared with results available in the literature. The metal matrix composite materials displayed a large increase in fatigue strength in comparison to commercial ingot metallurgy 7075-T6 and T7 alloys. The enhanced fatigue performance of the spray formed alloys is attributed to low crack growth rates, resulting from inhomogeneous slip.

Original languageEnglish (US)
Pages (from-to)4304-4309
Number of pages6
JournalMaterials and Design
Volume32
Issue number8-9
DOIs
StatePublished - Sep 1 2011

Fingerprint

Fatigue of materials
Metallurgy
Ingots
Silicon carbide
Crack propagation
Metals
Composite materials
Testing
Processing
Chemical analysis
Fatigue strength
silicon carbide

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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Fatigue behavior of SiC particulate reinforced spray-formed 7XXX series Al-alloys. / Sharma, M. M.; Ziemian, C. W.; Eden, Timothy John.

In: Materials and Design, Vol. 32, No. 8-9, 01.09.2011, p. 4304-4309.

Research output: Contribution to journalArticle

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