Forming of superplastic ceramics

Superplasticity in ceramics has now advanced to the stage that technologically viable superplastic deformation processing can be performed. In this article, examples of superplastic forming and diffusion bonding of ceramic components are given. Recent work in biaxial gas-pressure forming of several...

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Bibliographic Details
Published in:Ceramics international 1996, Vol.22 (5), p.381-388
Main Authors: Lesuer, D.R., Wadsworth, J., Nieh, T.G.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
General studies
Technical ceramics
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Summary:Superplasticity in ceramics has now advanced to the stage that technologically viable superplastic deformation processing can be performed. In this article, examples of superplastic forming and diffusion bonding of ceramic components are given. Recent work in biaxial gas-pressure forming of several ceramics is provided. These include yttria-stabilized, tetragonal zirconia (YTZP), a 20% alumina/YTZP composite, and silicon. In addition, the concurrent superplastic forming and diffusion bonding of a hybrid ceramic-metal structure are presented. These forming processes offer technological advantages of greater dimensional control and increased variety and complexity of shapes than is possible with conventional ceramic shaping technology.
ISSN:0272-8842
1873-3956
DOI:10.1016/0272-8842(95)00117-4