Effect of volume fraction of AlN particle on superplasticity of AlN/6061 aluminum alloy composite

Effect of volume fraction of AlN particle on superplasticity of AlN/6061 aluminum alloy composite

The effect of the volume fraction of AlN particles on the high strain superplasticity (HSRS) behavior of AlN/6061 aluminum composites was investigated experimentally. The composites were produced by a powder metallurgy route and hot-rolled after extrusion. Elongations of 300-683 and 200 percent were...

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Veröffentlicht in:Scripta Materialia 1996-11, Vol.35 (10), p.1199-1204
Hauptverfasser: Imai, Tsunemichi, Kojima, Sumito, L'Esperance, Gilles, Hong, Bande, Jiang, Daming
Format: Artikel
Sprache:eng
Schlagworte:
ADVANCED PROPULSION SYSTEMS
AEROSPACE INDUSTRY
ALUMINIUM BASE ALLOYS
ALUMINIUM NITRIDES
AUTOMOBILES
COMPOSITE MATERIALS
CONCENTRATION RATIO
ELONGATION
MATERIALS SCIENCE
PARTICLE SIZE
PLASTICITY
POWDERS
SAMPLE PREPARATION
STRAIN RATE
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Zusammenfassung:The effect of the volume fraction of AlN particles on the high strain superplasticity (HSRS) behavior of AlN/6061 aluminum composites was investigated experimentally. The composites were produced by a powder metallurgy route and hot-rolled after extrusion. Elongations of 300-683 and 200 percent were obtained in composites with volume fractions of AlN particles of 0.3 and 0.4, respectively. It is suggested that interfacial sliding in a partially melted matrix plays an important role as an accommodation mechanism in the HSRS behavior of the composite. (AIAA)
ISSN:1359-6462
DOI:10.1016/1359-6462(96)00284-9