[PDF] Beryllium For Structural Applications eBook

Author : Webster Hodge
Publisher :
Page : 230 pages
File Size : 37,37 MB
Release : 1962
Category : Beryllium
ISBN :

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Reports of Government-supported research on the physical and process metallurgy of beryllium that were received at DMIC during the period 1958-1960, inclusive, are summarized, together with some reports and publications of foreign authors. No proprietary or classified information is included. In addition, reference is made to some of the more importa t writings on health hazards and safety procedures that appeared during the period covered. (Author).

Author : L. A. Riedinger
Publisher :
Page : 29 pages
File Size : 31,16 MB
Release : 1958
Category : Beryllium
ISBN :

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General weight, strength, and thermal properties of beryllium are discussed. Examples of beryllium application are given which show both weight savings and reduction of thermal stresses in high temperature environments. Specific weight reductions are demonstrated for a ballistic missile and a lunar rocket.

Author : National Research Council
Publisher : National Academies Press
Page : 108 pages
File Size : 38,56 MB
Release : 2007-11-10
Category : Science
ISBN : 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.

Author : James N. Krusos
Publisher :
Page : 188 pages
File Size : 40,34 MB
Release : 1962
Category : Beryllium
ISBN :

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Design information is presented for Be and ceramic composite structures for re-entry vehicle applications. A summary of materials and process developments for Be panels and heat shield ceramics, analytical evaluations, and discussion of application of insulated structural concepts to re-entry vehicle systems are included. Also included are the results of panel tests in the severe environments of turbojet and ramjet exhausts. Data suitable for preliminary design considerations are presented for three reinforced heat shield ceramic foams: Al203, SiO2, and ZrO2. Be sandwich panels constructed in the course of the program are described with regard to fabrication potential and performance in aerospace structures.

Author : Robert F. Crawford
Publisher :
Page : 522 pages
File Size : 36,56 MB
Release : 1962
Category : Beryllium
ISBN :

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Studies were made to investigate the design capabilities of beryllium as a structural material and to derive and develop structural design curves and related data for efficient structural design with beryllium. The metal beryllium is believed to have high potential for aerospace structures, but is not extensively considered in design applications because of uncertainties as to the proper design procedures. This report presents information based on studies and tests which clearly shows that beryllium now may be designed with confidence into many types of load-carrying structures, using well-known methods of structural analysis and appropriate margins of safety. The resulting beryllium structures are shown to be considerably lighter than identical structures fabricated from other metals, and these structures are attainable with currently available beryllium mill products.