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Author : Armour Research Foundation (U.S.)
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.E/5 ( download)
Download or read book Development and Evaluation of High-temperature Tungsten Alloys written by Armour Research Foundation (U.S.) and published by . This book was released on 1960 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. A. Jeffreys
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.3/5 (91 download)
Download or read book Development and Evaluation of High Temperature Protective Coatings for Columbium Alloys written by R. A. Jeffreys and published by . This book was released on 1961 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed study was made of the formation and protective nature of surface alloy diffusion coatings for columbium. Vacuum vapor deposited, diffusion alloy coatings combining chromium, titanium and silicon were found to protect D-31 alloy f-48 alloy an unalloyed colu bium from surface oxidation or internal contamination for considerable lengths of time in air in the range of 2000 to 2600 F and for shorter periods up to 2800 F. Tests on the coating-base metal systems included cyclic oxidation, thermal shock and high velocity-hot gas erosion in a plasma flame.
Author : Charles R. Cook
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (425 download)
Download or read book Evaluation of High Strength Tungsten Base Alloys written by Charles R. Cook and published by . This book was released on 1965 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: A deformation study and evaluation of high strength tungsten base alloys was accomplished. The two alloys studied included the solid solution strengthened 68% W-20% Ta-12% Mo alloy and the dispersed phase strengthened W- 12% Cb-0.29% V-0. 12% Zr-0.07% C alloy. The vacuum melting plus centrifugal casting technique was used for the consolidation of the solid solution alloy. A new type of ingot mold was developed to cast 3-inch diameter ingots. High temperature extrusion was successfully accomplished to provide 68% W-20% Ta-12% Mo bar for evaluation. Studies of upset and side forging, rolling and swaging of the solid solution alloy were made. Upset forging was the only successful technique for secondary working. The extruded bar was used to determine recrystallization behavior, tensile and creep rupture properties. The one-hour recrystallization temperature for the 68% W-20% Ta-12% Mo bar was 3300 F. The 3000 F, 3500 F and 4000 F tensile strengths of the recrystallized bar were approximately three times those of unalloyed tungsten.
Author : Gordon D. McArdle
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (227 download)
Download or read book The Development and Evaluation of Tungsten-base Alloys written by Gordon D. McArdle and published by . This book was released on 1962 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tungsten-base alloys were prepared by the vacuum-arc-casting process. Charges blended to obtain each of the aim compositions contained small additions of carbon to effect deoxidation during arc melting. One heat of the W + 0.05% Zr composition was deoxidized with boron. Poor recoveries of wrought bar stock were experienced when conversion was attempted by conventional extrusion and rolling procedures. When the blanks were encapsulated in molybdenum, extruded and swaged to 1/2-in.-diameter bar stock, good recoveries were obtained. Tensile and creeprupture strengths of alloys were higher than those observed for unalloyed tungsten of comparable carbon content. The variation in strength and, workability from alloy to alloy was noticeably sensitive to residual carbon and boron contents. Tensile transition temperatures were markedly influenced by the degree of deoxidation achieved during arc melting. (Author).
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ISBN 13 :
Total Pages : 908 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. L. Ratliff
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)
Download or read book Tungsten Research and Development Review written by J. L. Ratliff and published by . This book was released on 1963 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Government-sponsored tungsten research and development efforts encompass a broad rage of technological activities. Typifying the extreme limits of efforts since January, 1960, studies have ranged from preparation of unalloyed metal to development of high-integrity fabricated shapes of tungsten-base materials. Nine major areas outline the broad over-all effort, and each is summarized within this report by brief technical discussions of 104 separate studies on 79 research programs. Included are preparation of metal, consolidation, primary and secondary working, joining, fabrication and performance of rocket nozzles, oxidation and other high-temperature reactions, protective coatings, properties, and physical metallurgy.
Author : Vincent David Barth
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Review of Recent Developments in the Technology of Tungsten written by Vincent David Barth and published by . This book was released on 1961 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)
Download or read book Tungsten and Tungsten Alloy Tubing Development Meeting written by and published by . This book was released on 1966 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1160 pages
Book Rating : 4.3/5 (243 download)
Download or read book Keywords Index to U.S. Government Technical Reports written by and published by . This book was released on 1962 with total page 1160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1108 pages
Book Rating : 4.0/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1969 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt: NSA is a comprehensive collection of international nuclear science and technology literature for the period 1948 through 1976, pre-dating the prestigious INIS database, which began in 1970. NSA existed as a printed product (Volumes 1-33) initially, created by DOE's predecessor, the U.S. Atomic Energy Commission (AEC). NSA includes citations to scientific and technical reports from the AEC, the U.S. Energy Research and Development Administration and its contractors, plus other agencies and international organizations, universities, and industrial and research organizations. References to books, conference proceedings, papers, patents, dissertations, engineering drawings, and journal articles from worldwide sources are also included. Abstracts and full text are provided if available.
Author : Westinghouse Electric Corporation. Westinghouse Lamp Division
Publisher :
ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.E/5 ( download)
Download or read book Physical Metallurgy of Tungsten and Tungsten Alloys written by Westinghouse Electric Corporation. Westinghouse Lamp Division and published by . This book was released on 1960 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 2180 pages
Book Rating : 4.0/5 ( download)
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1964 with total page 2180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1460 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
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ISBN 13 :
Total Pages : 1062 pages
Book Rating : 4.E/5 ( download)
Download or read book TID. written by and published by . This book was released on 1972 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development
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ISBN 13 :
Total Pages : 612 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Science and Technology of Tungsten, Tantalum, Molybdenum, Niobium and Their Alloys written by North Atlantic Treaty Organization. Advisory Group for Aeronautical Research and Development and published by . This book was released on 1964 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 862 pages
Book Rating : 4.3/5 (126 download)
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1967-05 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
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ISBN 13 :
Total Pages : 2088 pages
Book Rating : 4.E/5 ( download)
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1966 with total page 2088 pages. Available in PDF, EPUB and Kindle. Book excerpt:
