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The Mechanical Behavior Of Cross Rolled Beryllium Sheet

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The Mechanical Behavior Of Cross Rolled Beryllium Sheet

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Author : J. A. Henkener
language : en
Publisher:
Release Date : 1992

The Mechanical Behavior Of Cross Rolled Beryllium Sheet written by J. A. Henkener and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Beryllium categories.

The Mechanical Behavior Of Cross Rolled Beryllium Sheet

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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-16

The Mechanical Behavior Of Cross Rolled Beryllium Sheet written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-16 with categories.

In response to the failure of a conical section of the Insat C satellite during certification testing, the use of beryllium for payload structures, particularly in sheet product form, is being reevaluated. A test program was initiated to study the tensile, shear, and out-of-plane failure modes of beryllium cross-rolled sheet and to apply data to the development of an appropriate failure criterion. Tensile test results indicated that sanding the surface of beryllium sheet has no significant effect on yield strength but can produce a profound reduction in ultimate strength and results obtained by finite element analysis. Critical examination of these test results may contribute to the modification of a JSC policy for the use of beryllium in orbiter and payload structures. Henkener, J. A. and Spiker, I. K. and Castner, W. L. Johnson Space Center...

Test Methods For Mechanical Properties Of Anisotropic Materials Beryllium Sheet

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Author : Raymond W. Fenn (Jr)
language : en
Publisher:
Release Date : 1967

Test Methods For Mechanical Properties Of Anisotropic Materials Beryllium Sheet written by Raymond W. Fenn (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Anisotropy categories.

Test techniques were developed for the determination of short-transverse tensile properties, Poisson's ratios, and shear moduli in anisotropic sheet. Cross-rolled 0.077-in. thick S-200 Beryllium sheet was tested to determine Young's moduli, Poisson's ratios, shear moduli, uniaxial tensile properties in three directions, biaxial tensile properties, three- and four-pint bend characteristics, fracture toughness, effect of anisotropy on fatigue strength, microstructural characteristics, basal and prism pole figures.

Physical Metallurgy Of Beryllium

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Author : H. D. Hanes
language : en
Publisher:
Release Date : 1966

Physical Metallurgy Of Beryllium written by H. D. Hanes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Beryllium categories.

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).

Beryllium Ingot Sheet

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Author : Stanley W. Porembka
language : en
Publisher:
Release Date : 1965

Beryllium Ingot Sheet written by Stanley W. Porembka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Beryllium categories.

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).