Tensile Properties of Beryllium at High Strain Rates and Temperatures PDF Download
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Author:
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Languages : en
Pages : 65
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Book Description
Dynamic mechanical properties were determined for three grades of beryllium.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 65
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Book Description
Dynamic mechanical properties were determined for three grades of beryllium.
Author: D. P. Moon
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 38
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Author: R. G. O'Rourke
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 146
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Author: R. G. Kumble
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Category :
Languages : en
Pages : 70
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Book Description
The purpose of this program was to study the effect of high strain rates and elevated temperatures on the mechanical properties of three grades of beryllium: S-200, I-400 and Ingot Sheet. Uniaxial tension and compression tests were conducted at strain rates of .001 to 1000/per sec. The test temperatures ranged from 72 to 700 F. This report includes a literature survey and a discussion on the problems encountered during testing in addition to the presentation and discussion of results. The influence of oxide content, grain size, and fabrication history on the strain rate sensitivity and other mechanical properties of beryllium is examined. (Author).
Author: F. C. Hull
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 52
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Author: A. N. Ashurst
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 56
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Author: K. G. Wikle
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ISBN:
Category : Beryllium
Languages : en
Pages : 24
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Book Description
The elevated temperature tensile properties of hot-pressed QMV beryllium have been studied from 250-950°C. Also those of warm-pressed, hot-extruded beryllium have been investigated from 250-600°C. Both materials exhibit a ductility peak at about 450°C while tensile strength decreases with increasing temperature. The results are compared with data reported in the literature on extruded flake and extruded cast beryllium. Special equipment developed for tensile testing beryllium up to 950°C is illustrated and described.
Author: W. W. Beaver
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 14
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Book Description
The tensile, compressive, and shear properties of beryllium in the temperature range from 800 to 1500 F for various strain rates are evaluated for beryllium of different grain sizes, fabrication characteristics, and oxide contents. Enhanced elevated temperature properties through grain boundary distribution of beryllium oxide in beryllium metal are shown, and the effects of grain size and crystal anisotropy at elevated temperature are discussed. The effects of purity, grain size, and other processing variables on the elevated temperature thermal properties, including thermal conductivity, specific heat, and coefficient of expansion, are also presented. Variations influencing chemical behavior are noted. Comparisons with some low-temperature properties are made to illustrate effects influenced by temperature and those independent of temperature.
Author: E. E. Baldwin
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 68
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Author: Stanley Beitscher
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 20
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