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Rapidly Solidified the surrounding gas or into a solid heat sink; consequently cooling rates exceeding Crystalline Alloys 106 K/s are routinely achieved. Alloys thus Edited by S.K. Das, B.H. Kearand solidified have metastably extended soluCM Adam bility ranges for many solutes and ultrafine
(The Metallurgical Society, 1986)
dispersions of second phases; some alloys This conference proceedings reports solidify as metallic glasses. These characcontributions to a May 1985 meeting of the teristics have permitted the creation of a Northeast Regional Section of TMS-AIME great variety of alloys with unusually faand cosponsored by the New Jersey Chap- vorable mechanical or magnetic properter of TMS and by the Materials Research ties, and within a few years the technique Society. As the first in what has become a has become commonplace in advanced cosponsored series of meetings, its pro- metallurgy, especially of steels and light algram combined the metals and materials loys. flavors of the sponsors. A great many texts In the last few years there have been and, in particular, conference proceedings many books (mostly multi-author volcover rapid solidification. However, because it remains an active field where umes) devoted to RSP, especially glass formany unanswered questions remain, this mation, including a sourcebook published book, itself unremarkable, contains valu- by ASM and a specially useful survey of able information for practitioners in the RSP crystalline alloys published by TMSfield. Overviews on processing methods AIME in 1986. The new book under review and on RSP alloy microstructures and is an excellent 260-page outline of the properties provide perspectives on a range whole field. Its principal distinction is a magnificent survey of the varied producof ferrous and nonferrous systems. tion techniques, the most comprehensive Of particular value are the two lead-off and up-to-date treatment known to the repapers by M. Cohen and M. Flemings and viewer. The authors, Indian academic metby W. Boettinger and J. Perepezko which allurgists, who are experienced both review the field as a whole and discuss the working in the field and writing surveys extension of fundamental considerations and bibliographies, have produced not implicit in solidification phenomena to the only a fine description of techniques but rapid regime. These two papers will serve also a relevant list of references up to 1986. as valuable introductory material for novi- Likewise there is a concise overview of RSP ces in the field for years to come. Although alloys applications, especially up to date on this book was published in 1986, the over- magnetic uses. The bibliographies of all the view format ensures its continued value to chapters (except that on the science of methe RSP community. tallic glasses) are thorough, and a comprehensive list of secondary sources is E. N. Kaufmann is an associate division leader included. for materials research at Lawrence Livermore National Laboratory. The treatment of microcrystalline particular alloy familie
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