Seventy-five years of superplasticity: historic developments and new opportunities

On this seventy-fifth anniversary of the first scientific report of true superplastic flow, it is appropriate both to look back and examine the major developments that established the present understanding of superplasticity and to look to the future to the new opportunities that are made possible b...

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Bibliographic Details
Published in:Journal of materials science 2009-11, Vol.44 (22), p.5998-6010
Main Author: Langdon, Terence G.
Format: Article
Language:English
Subjects:
Anniversaries
Bulk density
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Crystallography and Scattering Methods
Grain size
Historic
Materials Science
Plastic deformation
Polymer Sciences
Review
Solid Mechanics
Superplasticity
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Summary:On this seventy-fifth anniversary of the first scientific report of true superplastic flow, it is appropriate both to look back and examine the major developments that established the present understanding of superplasticity and to look to the future to the new opportunities that are made possible by new processing techniques, based on the application of severe plastic deformation, that permit the production of fully dense bulk materials with submicrometer or nanometer grain sizes. This review proposes a minor modification to the present definition of superplasticity, it provides an overview of the current understanding of the flow of superplastic metals and ceramics and then it examines, and gives examples of, the new possibilities that are now available for achieving exceptional superplastic behavior.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-009-3780-5