Be Beryllium
Be Beryllium

Author:

Publisher: Springer Science & Business Media

Published: 2013-06-29

Total Pages: 333

ISBN-13: 3662103176

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Be Beryllium
Be Beryllium

Author: Gudrun Bär

Publisher: Springer Science & Business Media

Published: 2013-06-29

Total Pages: 293

ISBN-13: 3662103206

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The present Supplement Volume Beryllium A 3 continues and completes the description of the physical properties of the element, begun in Supplement Volume A 2, 1991, and also treats the electrochemical behavior of the metal. The unique combination of the Be properties, which was pointed out in Supplement Volume A 2, is also demonstrated in the following chapters of this Volume A 3: 13. Electrical Properties 14. Electronic Properties 15. Optical Properties. Emission and Impact Phenomena 16. Electrochemical Behavior Starting with the electrical properties, Be isarather good electrical conductor in centrast to what might be expected. Superconductivity was studied, especially on films. Quantum effects, which are more pronounced in Be than in most other metals, are the reason for numerous in vestigations of the magnetoresistance and the magnetic-breakdown effect. The basis for many of the characteristic properties is the unique nature of bonding in Be as a consequence of its peculiar electronic structure and the special shape of its Fermi surface which also gave rise to further numerous studies. Detailed cluster calculations were per formed to better understand the bonding in the metal. Regarding the optical properties, the high reflectivity of Be, particularly in the infrared region, makes it attractive for the fabrication of precision optical surfaces (mirrors); it is also useful for solar-collector surfaces in spacecraft applications. Emission and electron-and ion impact phenomena as well as neutron optics are also discussed.

Beryllium Chemistry and Processing
Beryllium Chemistry and Processing

Author: Kenneth A. Walsh

Publisher: ASM International

Published: 2009-01-01

Total Pages: 592

ISBN-13: 0871707217

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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.

Health Effects of Beryllium Exposure
Health Effects of Beryllium Exposure

Author: National Research Council

Publisher: National Academies Press

Published: 2007-11-10

Total Pages: 108

ISBN-13: 0309111676

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Beryllium is an important metal that is used in a number of industries-including the defense, aerospace, automotive, medical, and electronics industries-because of its exceptional strength, stability, and heat-absorbing capability. It is found in a variety of technologies, including nuclear devices, satellite systems, missile systems, radar systems, bushings and bearings in aircraft and heavy machinery, x-ray machines used for mammography, cellular telephone components, computer components, and connectors for fiber optics. To help determine the steps necessary to protect its workforce from the adverse effects of exposure to beryllium used in military aerospace applications, the U.S. Air Force requested that the National Research Council's Committee on Toxicology (COT) conduct an independent evaluation of the scientific literature on beryllium, provide risk estimates for cancer and noncancer health end points, and make recommendations about specific tests for surveillance and biomonitoring of workers. The request specified that two reports be produced to accomplish those tasks. The first is to provide a review of the scientific literature on beryllium, and the second will expand more critically on the review in considering the maximum chronic inhalation exposure levels that are unlikely to produce adverse health effects, in estimating carcinogenic risks, and in providing guidance on testing methods for surveillance and monitoring of worker populations and other specific issues detailed in the statement of task. In response to the U.S. Air Force request, COT convened the Committee on Beryllium Alloy Exposures, which prepared this first report. Health Effects of Beryllium Exposure : A Literature Review identifies the available toxicologic, epidemiologic, and other literature on beryllium that is most relevant for addressing the statement of task, focusing primarily on beryllium sensitization, CBD, and cancer.

Beryllium
Beryllium

Author: Rick Adair

Publisher: The Rosen Publishing Group, Inc

Published: 2007-01-15

Total Pages: 56

ISBN-13: 9781404210035

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Explores the element of Beryllium and its uses.

Beryllium Science and Technology
Beryllium Science and Technology

Author: D. Webster

Publisher: Springer

Published: 1979

Total Pages: 358

ISBN-13:

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This beryllium treatise was made possible by the expertise and hard work of members of the Joint US-UK Working Group on Beryllium (JOWOG 22), which was set up in the 1960s to allow a controlled exchange of technical information on the science and application of beryllium between the two countries. The leading roles in JOWOG 22 of Dr. Lee Roberts of the Lawrence Livermore Laboratory and Dr. Geoffrey Ellis ofthe Atomic Weapons Research Establishment (A WRE) at Aldermaston are particularly noteworthy. Excerpts from so me of the material in this book were presented at an international conference "Beryllium 77" in London in October 1977. The conference, which was superbly organized by Dr. John Martin and his co workers at A WRE, was sponsored by the Metals Society and the Institu tion of Metallurgists, and was particularly instructive in revealing the unexpectedly strong position of the USSR in some aspects of beryllium physical metallurgy and ductility improvement. Advance publicity for this book was also provided by presentations at the AlME 1977 annual meeting in Atlanta, Georgia. The presentations were co-sponsored by the Metal lurgy and Non-Ferrous Metals Committees at the request of committee members John E. Smugeresky and Gilbert J. London. D. Webster G. J. London vii Contents 1 • Introduction .... . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . .

Beryllium
Beryllium

Author: Rick Adair

Publisher: The Rosen Publishing Group, Inc

Published: 2007-01-15

Total Pages: 49

ISBN-13: 1404210032

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Explores the element of Beryllium and its uses.

B-Ba ... C-Zr
B-Ba ... C-Zr

Author: B. Predel

Publisher: Springer

Published: 1992-08-21

Total Pages: 0

ISBN-13: 9783540551157

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For everyone concerned with the technology and application of metals and alloys and with the development of new metallic materials, a detailed knowledge of phase equilibria is indispensable. Also, information on the thermodynamical and crystallographical data of the systems under investigation is essential, and often metastable crystalline phases as well as quasicrystalline or amorphous alloys are of interest. Vol. IV/5 therefore presents all these data. Because of the large amount available of experimental evidence and thermochemical calculations, a presentation in one volume, as it was realized several decades ago in the widely used book of M. Hansen "Aufbau der Zweistoff-Legierungen" proved to be impossible. So volume IV/5 had to be divided into several subvolumes which cover - in alphabetical order - all binary systems of importance. The present subvolume IV/5b deals with the systems B-Ba ... C-Zr. Further subvolumes will follow shortly.