Superplasticity: Microstructural Refinement and Superplastic Roll Forming
by Oscar A. Kaibyshev and Farid Z. Utyashev
Volume 3 of the ISTC Science and Technology Series
ISTC, Science & Technology Series, Vol. 3, Futurepast, Arlington, Virginia, USA
The book by Kaibyshev and Utyashev is a practical Handbook of considerable academic and industrial value. The book has been written for specialists working in metallurgical and machine building industries who are engaged in the development of technology and the production of gas turbine engine components. It will also be useful for students at institutions of higher learning. The authors are to be complimented for preparing a book of considerable practical use. The book is based on data and experience gained by the authors at Ufa State Aviation Technical University and at the Institute of Metals Superplasticity Problems, Ufa, both in Russia. Colleagues at the All-Russian Institute of Light Alloys, the All-Russian Institute of Aircraft Materials and the Central Institute of Aircraft Materials and the Testing Laboratories of a number of aircraft engine plants in Russia and General Electric, USA have also provided valuable information for the book. The experience of many other nations has been drawn upon. But, because of the reliance of the authors on mostly Russian sources, the referencing and giving credits at least in some places has been selective. Secondary sources in Russian are cited to the exclusion of the original papers.
Kaibyshev’s great efforts in establishing The Institute of Superplasticity in Ufa during the period of “stagnation” under Chernenko in the former USSR are personally known to the present reviewer. Kaibyshev, in the process, established the only Institute in the world exclusively devoted to the researches on superplasticity. Roll forming is one of the technologies that came out of this institute and has benefited Russian industries. This technology was also transferred to GE, USA. It is very appropriate that this book is published by the International Science and Technology Center, a multilateral governmental organization that is meant to help experts in the CIS countries to switch from weapons research to research activities for civilian purposes.
The book consists of 17 chapters starting from an overall summary to practically usable strength-formability data on superplastic alloys, processing of coarse-grained and microcrystalline materials, microstructural refinement by powder metallurgical methods, deformation for producing granular and sub-granular structures, physical and mechanical basis for microstructural refinement during cold working, formation of microcrystalline structures via recrystallization and phase transformation, formation of microcrystalline structures in superalloys and titanium alloys, structural refinement in large scale billets, special methods for microstructural refinement in large scale billets, application of the concepts of superplastic deformation in the forming of parts under superplastic conditions and the gains in cost and efficiency in using superplastic deformation. It is indeed a kaleidoscopic treatment of a vast area.
Superplastic forming today is an accepted processing route in view of the considerable savings in equipment and processing costs, as well as energy saving. The scope for increased automation, nearly 100% material utilization and superior quality are additional justification for the industrial application of the superplastic forming route in general and roll forming in particular. The book consists of many useful semi-empirical rules for manufacture and design and also a phenomenological treatment of the superplastic deformation process, as understood by the Ufa School. This book contains valuable, practically usable information and in the opinion of this reviewer, the authors have succeeded in satisfying the audience to whom they have addressed the book.
K. A. Padmanabhan
Jawaharlal Nehru Professor
School of Physics
University of Hyderabad
Hyderabad 500 046