Strengthening effect of reinforcement microspheres in an Al-6061/Al2O3 composite material

Jing Tao Wang; Minoru Furukawa; Zenji Horita; Minoru Nemoto; Terence G. Langdon

Strengthening effect of reinforcement microspheres in an Al-6061/Al₂O₃ composite material

Jing Tao Wang, Minoru Furukawa, Zenji Horita, Minoru Nemoto, Terence G. Langdon

Research output: Contribution to journal › Article › peer-review

Abstract

The strengthening effect of Al₂O₃ microspheres was investigated in an Al-6061 based metal matrix composite. The strength of the material in the solid solution state was significantly increased by the addition of the reinforcement microspheres. This increase in strength corresponds well to the calculation of a dislocation strengthening model using dislocation densities measured from TEM observations. The strain hardening rate of the material in various aging states is also increased by this addition, which can be accounted for by the combination of the dislocation strengthening model and the model of geometrically necessary dislocations in plastically non-homogeneous material proposed by Ashby.

Original language	English
Pages (from-to)	52-55
Number of pages	4
Journal	Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica
Volume	18
Issue number	3
Publication status	Published - Aug 1 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Mechanics of Materials

Cite this

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abstract = "The strengthening effect of Al2O3 microspheres was investigated in an Al-6061 based metal matrix composite. The strength of the material in the solid solution state was significantly increased by the addition of the reinforcement microspheres. This increase in strength corresponds well to the calculation of a dislocation strengthening model using dislocation densities measured from TEM observations. The strain hardening rate of the material in various aging states is also increased by this addition, which can be accounted for by the combination of the dislocation strengthening model and the model of geometrically necessary dislocations in plastically non-homogeneous material proposed by Ashby.",

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AU - Wang, Jing Tao

AU - Furukawa, Minoru

AU - Horita, Zenji

AU - Nemoto, Minoru

AU - Langdon, Terence G.

PY - 2001/8/1

Y1 - 2001/8/1

N2 - The strengthening effect of Al2O3 microspheres was investigated in an Al-6061 based metal matrix composite. The strength of the material in the solid solution state was significantly increased by the addition of the reinforcement microspheres. This increase in strength corresponds well to the calculation of a dislocation strengthening model using dislocation densities measured from TEM observations. The strain hardening rate of the material in various aging states is also increased by this addition, which can be accounted for by the combination of the dislocation strengthening model and the model of geometrically necessary dislocations in plastically non-homogeneous material proposed by Ashby.

AB - The strengthening effect of Al2O3 microspheres was investigated in an Al-6061 based metal matrix composite. The strength of the material in the solid solution state was significantly increased by the addition of the reinforcement microspheres. This increase in strength corresponds well to the calculation of a dislocation strengthening model using dislocation densities measured from TEM observations. The strain hardening rate of the material in various aging states is also increased by this addition, which can be accounted for by the combination of the dislocation strengthening model and the model of geometrically necessary dislocations in plastically non-homogeneous material proposed by Ashby.

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ER -

Strengthening effect of reinforcement microspheres in an Al-6061/Al₂O₃ composite material

Abstract

All Science Journal Classification (ASJC) codes

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