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Superplastic Deformation Behavior of 7475 Aluminum Alloy in an Electric Field

W.-D. Cao / X.-P. Lu / A. F. Sprecher / H. Conrad

The effects of an externally applied d.c. electric field of 2 kV cm-1 on the superplastic deformation behavior of 7475 Al alloy were studied. The flow stress and strain hardening exponent of superplastic deformation were reduced by the electric field while strain rate sensitivity exponent was increased. No appreciable change in elongation occurred. No possible reasons for these effects are discussed in terms of the influence of an electric field on microstructure and deformation mechanism.

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Superplastic Deformation Behavior of 7475 Aluminum Alloy in an Electric Field

W.-D. Cao / X.-P. Lu / A. F. Sprecher / H. Conrad

The effects of an externally applied d.c. electric field of 2 kV cm-1 on the superplastic deformation behavior of 7475 Al alloy were studied. The flow stress and strain hardening exponent of superplastic deformation were reduced by the electric field while strain rate sensitivity exponent was increased. No appreciable change in elongation occurred. No possible reasons for these effects are discussed in terms of the influence of an electric field on microstructure and deformation mechanism.

Superplastic Deformation Behavior of 7475 Aluminum Alloy in an Electric Field

W.-D. Cao / X.-P. Lu / A. F. Sprecher / H. Conrad

The effects of an externally applied d.c. electric field of 2 kV cm-1 on the superplastic deformation behavior of 7475 Al alloy were studied. The flow stress and strain hardening exponent of superplastic deformation were reduced by the electric field while strain rate sensitivity exponent was increased. No appreciable change in elongation occurred. No possible reasons for these effects are discussed in terms of the influence of an electric field on microstructure and deformation mechanism.

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Title:

Superplastic Deformation Behavior of 7475 Aluminum Alloy in an Electric Field

Contributors:

W.-D. Cao (author) / X.-P. Lu (author) / A. F. Sprecher (author) / H. Conrad (author)

Publication date:

1990

Size:

11 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Nonferrous Metals & Alloys , Behavior , Deformation , Electric fields , Elongation , Flow , Microstructure , Plastic deformation , Sensitivity , Strain hardening , Strain rate , Stresses , Reprints , Aluminum alloys

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