Paper Titles

Preface & Committees

Forty-Five Years of Superplastic Research: Recent Developments and Future Prospects
p.3

Superplasticity of Metallic Alloys: Some Current Findings and Open Questions
p.13

Advances in Superplasticity of Ultrafine-Grained Alloys: Recent Research and Development
p.23

Improvement of Superplasticity in Fine-Grained Oxide Ceramics Based on the Concept of Grain Boundary Plasticity
p.34

Direct Observation of Two-Dimensional Grain Boundary Sliding and Switching in ODS Ferritic Steel
p.43

Description of the Superplastic Flow Process by Deformation Mechanism Maps in Ultrafine-Grained Materials
p.51

Texture Change during Superplastic Deformation in Fine-Grained Magnesium Alloys
p.59

Superplastic Deformation Mechanisms in High Magnesium Contenting Aluminum Alloy
p.66

HomeMaterials Science ForumMaterials Science Forum Vols. 838-839Superplasticity of Metallic Alloys: Some Current...

Superplasticity of Metallic Alloys: Some Current Findings and Open Questions

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Abstract:

Superplasticity of metallic alloys has been widely investigated for many years but despite numerous studies, some important questions regarding superplastic behavior of metals can be considered as still open. Among others, one can mention the role of grain boundary sliding as contributing mechanism of deformation, the microstructural requirements for getting superplasticity in metallic alloys or the link between mechanisms of deformation and mechanisms of damage. Interesting information were recently obtained by the use of new experimental techniques. One can mention for instance the development of fine grids allowing more detailed studies of the respective contributions of intra-and inter-granular strains in superplastic alloys or fast X-ray micro tomography allowing in situ 3D damage studies. The aim of this paper is to give information about current findings related to superplastic deformation of metallic alloys and to suggest some perspectives for future.

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Materials Science Forum (Volumes 838-839)

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13-22

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https://doi.org/10.4028/www.scientific.net/MSF.838-839.13

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Online since:

January 2016

Authors:

Jean Jacques Blandin

Keywords:

Coble Creep, Damage Sensitivity, Deformation Mechanisms, Grain Boundary Sliding, Grain Size

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