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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Beryllium casting is a relatively new technology with the successful cast of large ingots being developed during the last decade. In 1961, Rocky Flats initiated a beryllium ingot-sheet fabrication process that included the development of new techniques to consistently cast large sound beryllium ingots. This report reviews the casting technology that was developed to cast these beryllium ingots on a production basis along with some of the remaining technical problems requiring additional development work.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Beryllium casting is a relatively new technology with the successful cast of large ingots being developed during the last decade. In 1961, Rocky Flats initiated a beryllium ingot-sheet fabrication process that included the development of new techniques to consistently cast large sound beryllium ingots. This report reviews the casting technology that was developed to cast these beryllium ingots on a production basis along with some of the remaining technical problems requiring additional development work.
Author: Stanley W. Porembka Publisher: ISBN: Category : Beryllium Languages : en Pages : 14
Book Description
This memorandum deals with the fabrication of beryllium ingot sheet. Until recently, most beryllium products have been fabricated from hot-pressed powder materials. As a result of the development of sound castings of beryllium of sufficient size, beryllium ingot sheet can now be made. The greatest advantage of sheet from cast ingots as compared with sheet from pressed powder is increased formability. However, ingot sheet has lower strength, and work is underway to improve the strength without serious loss of fabricability. The purpose of this summary is to review the casting and fabrication procedures for beryllium ingot and the resulting properties of sheet materials. (Author).
Author: Kenneth A. Walsh Publisher: ASM International ISBN: 0871707217 Category : Science Languages : en Pages : 592
Book Description
This book introduces beryllium; its history, its chemical, mechanical, and physical properties including nuclear properties. The 29 chapters include the mineralogy of beryllium and the preferred global sources of ore bodies. The identification and specifics of the industrial metallurgical processes used to form oxide from the ore and then metal from the oxide are thoroughly described. The special features of beryllium chemistry are introduced, including analytical chemical practices. Beryllium compounds of industrial interest are identified and discussed. Alloying, casting, powder processing, forming, metal removal, joining and other manufacturing processes are covered. The effect of composition and process on the mechanical and physical properties of beryllium alloys assists the reader in material selection. The physical metallurgy chapter brings conformity between chemical and physical metallurgical processing of beryllium, metal, alloys, and compounds. The environmental degradation of beryllium and its alloys both in aqueous and high temperature condition are presented. The health and environmental issues are thoroughly presented the current requirements and established practices for handling beryllium in the workplace are available. A thorough list of references will assist the user of this book.
Author: G. E. Meyer Publisher: ISBN: Category : Beryllium Languages : en Pages : 62
Book Description
The report is a comprehensive guide to the manufacture of beryllium wrought products by forging, extrusion, wire-drawing, rolling, or forming. The various specific processes available for each of these operations are described in detail and compared. The economics of each of the operations is discussed. An introductory section of the report discusses the commercial forms of beryllium and beryllium alloys that are available, and provides a brief description of the phenomenon of texturing in beryllium. (Author).
Author: Henry H. Hausner Publisher: Univ of California Press ISBN: 0520338820 Category : Technology & Engineering Languages : en Pages : 330
Book Description
This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1965.
Author: H. D. Hanes Publisher: ISBN: Category : Beryllium Languages : en Pages : 56
Book Description
This report summarizes the recent work done to more fully understand the physical metallurgy of beryllium. A review of work on purification of beryllium, which has yielded high-quality single crystals, was made. The basic deformation properties of beryllium have thus been more clearly defined. The effects of certain alloying elements and impurities are also discussed. Deformation modes in polycrystalline beryllium are discussed based on the results of studies of single crystals. The texture developed in polycrystalline beryllium by fabrication and resulting effects on mechanical properties are dealt with, as well as fracture modes in single-crystal and polycrystalline beryllium. Bend-plane splitting is the method suggested for initiation of fracture in beryllium. Some effects of the distribution of impurities as a result of thermal treatment on the mechanical properties are cited. Since grain size is an important factor in determining properties, recrystallization and grain-growth phenomena are covered. The physical-metallurgical phenomena which contribute to the properties and fabricability of commercial products are discussed. (Author).
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Author: Richard R. Corle
Author: Stanley W. Porembka
Author: Kenneth A. Walsh
Author: Dennis R. Floyd
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Author: G. E. Meyer
Author: Henry H. Hausner
Author: H. D. Hanes
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