Superplasticity: Microstructural Refinement and Superplastic Roll Forming

by Oscar A. Kaibyshev and Farid Z. Utyashev

Volume 3 of the ISTC Science and Technology Series

ISBN 0-9710464-2-5

ISTC, Science & Technology Series, Vol. 3, Futurepast, Arlington, Virginia, USA

The process of superplastic flow, in which materials exhibit exceptionally high ductilities when tested in tension, was first reported in experiments conducted in Europe in the early part of the twentieth century. However, the subject of superplasticity only became established as a well-defined deformation mechanism in the classic work of the Russian scientists Bochvar and Sviderskaya conducted during and immediately following the Second World War. In view of the very many significant contributions made by Russian scientists to the field of superplasticity over the last fifty years, it is appropriate that this book has been written by two of the leading Russian experts in the field. Indeed, Professor Oscar Kaibyshev is well-known in western scientific circles for his many contributions in the superplastic literature and for his role as the Director of the world-famous Institute of Superplasticity Problems in Ufa, Russia (an institute that was the first, and remains the only, institute devoted exclusively to studies in the field of superplasticity).

This is an excellent book that sets out the field of superplasticity in an elegant and consistent way. The book starts in Part 1 with a traditional approach by reviewing the principles of superplasticity and emphasizing the need to produce materials with very small grain sizes. In Part 2, the book moves beyond the standard approach by presenting a detailed examination of the processing methods that may be used to produce microstructural refinement in metals and alloys. This section of the book extends over more than 100 pages and it provides a most useful, detailed and up-to-date summary of a large number of refining techniques. The final section of the book, designated Part 3, is devoted to the use of superplasticity in the shaping of materials into complex parts for industrial applications. This section provides a current summary of forming procedures including a detailed account of the use of roll-forming under superplastic conditions. This final section alone will serve as a very useful compendium of information for all involved in the utilization of superplasticity for forming applications.

In summary, this book goes far beyond the conventional reviews of the superplastic phenomenon. It covers, in considerable detail, the latest developments in producing ultrafine-grained materials and in using these materials for superplastic shaping and forming. The book will be an important resource both for all practitioners in the field of superplasticity and for those thinking of making use of the superplastic phenomenon in forming applications.

A minor word of caution. Despite the all-embracing title of the book, this work deals exclusively with metals and metallic alloys. It does not cover the recent interest in superplastic ceramics or the occurrence of superplasticity in non-metallics such as geological materials.

Terence G. Langdon
William E. Leonhard Professor of Engineering,
Professor of Aerospace and Mechanical Engineering,
Materials Science and Earth Sciences,
USC Viterbi School of Engineering
University of Southern California
Los Angeles, CA 90089-1453, USA

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