Tensile Properties of Rocky Flats Division Ingot-sheet Beryllium from Room Temperature to 250©C PDF Download
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Author: Stanley Beitscher
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 20
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Book Description
Author: Stanley Beitscher
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 20
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Tensile properties of bare-rolled ingot-sheet beryllium from room temperature to 800 deg C are reported. While strength values show a steady decrease above room temperature, tensile elongations exhibit peaks at approximately 300 and 700 deg C. The strainhardening exponent varies with temperature and amount of strain, and ranges between approximately 0.10 and 0.26. Metallographic examinations reveal cleavage fracture at the lower temperatures, accompanied by severe grain deformation above room temperature. This is followed by a temperature range in which ductile rupture occurs, and finally, at the higher temperatures, grainboundary failure. The low BeO content of this material and the post-rolling heat treatment given to the sheet are factors which improve the high-temperature ductility as compared to other grades of beryllium. (auth).
Author: Stanley W. Porembka
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 14
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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: Dennis R. Floyd
Publisher: Springer
ISBN: 1475706685
Category : Science
Languages : en
Pages : 449
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Book Description
Author: Great Britain. HM Factory Inspectorate
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 22
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Book Description
Author: Orson Squire Fowler
Publisher: Chelsea House Publications
ISBN: 9780877541431
Category : Phrenology
Languages : en
Pages : 201
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Book Description
Author: Charles E. Carraher
Publisher: Springer Science & Business Media
ISBN: 1461337488
Category : Science
Languages : en
Pages : 414
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Book Description
The sheer volume of topics which could have been included under our general title prompted us to make some rather arbitrary decisions about content. Modification by irradiation is not included because the activity in this area is being treated elsewhere. We have chosen to emphasize chemical routes to modification and have striven to pre sent as balanced a representation of current activity as time and page count permit. Industrial applications, both real and potential, are included. Where appropriate, we have encouraged the contributors to include review material to help provide the reader with adequate context. The initial chapter is a review from a historical perspective of polymer modification and contains an extensive bibliography. The remainder of the book is divided into four general areas: Reactions and Preparation of Copolymers Reactions and Preparation of Block and Graft Copolymers Modification Through Condensation Reactions Applications The chemical modification of homopolymers such as polyvinylchlo ride, polyethylene, poly(chloroalkylene sulfides), polysulfones, poly chloromethylstyrene, polyisobutylene, polysodium acrylate, polyvinyl alcohol, polyvinyl chloroformate, sulfonated polystyrene; block and graft copolymers such as poly(styrene-block-ethylene-co-butylene block-styrene), poly(I,4-polybutadiene-block ethylene oxide), star chlorine-telechelic polyisobutylene, poly(isobutylene-co-2,3-dimethyl- 1,3-butadiene), poly(styrene-co-N-butylmethacrylate); cellulose, dex tran and inulin, is described.
Author: Joanna Baillie
Publisher:
ISBN:
Category :
Languages : en
Pages : 434
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Book Description
Author: Rigby
Publisher:
ISBN: 9781418914219
Category :
Languages : en
Pages : 0
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Book Description
Author: Chretien de Troyes
Publisher: Yale University Press
ISBN: 0300038380
Category : Poetry
Languages : en
Pages : 244
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Book Description
A twelfth-century poem by the creator of the Arthurian romance describes the courageous exploits and triumphs of a brave lord who tries to win back his deserted wife's love
