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Evaluation Of Refractory Metal Sheet Alloys
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Book Synopsis Evaluation of Refractory Metal Sheet Alloys by : George E. Gazza
Download or read book Evaluation of Refractory Metal Sheet Alloys written by George E. Gazza and published by . This book was released on 1964 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five columbium base alloys, three tantalum base alloys, and two molybdenum base alloys have been evaluated by the U.S. Army Materials Research Agency. Mechanical properties were determined by tensile testing at room temperature and elevated temperatures, stress rupture testing, and bend testing of base metal specimens and welded specimens. The properties of the alloys are compared with target requirements established by the Alloy Requirements and Selection Group, Materials Advisory Board. Significant progress in refractory metal sheet development is demonstrated by a comparison of the test data with target properties. In general, the properties of the alloys approached or exceeded the target requirements. (Author).
Book Synopsis Review of Recent Developments in the Evaluation of Special Metal Properties by : James Edward Campbell
Download or read book Review of Recent Developments in the Evaluation of Special Metal Properties written by James Edward Campbell and published by . This book was released on 1961 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Brief Review of Refractory Metals by : Robert Isaac Jaffee
Download or read book A Brief Review of Refractory Metals written by Robert Isaac Jaffee and published by . This book was released on 1959 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Refractory Sheet Metals -part Ii by : George E. GAZZA
Download or read book Evaluation of Refractory Sheet Metals -part Ii written by George E. GAZZA and published by . This book was released on 1965 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Four tantalum base alloys, one molybdenum base alloy, and one tungsten base alloy were evaluated. Mechanical properties were obtained by tensile testing at temperatures to 3500 F, stress-rupture testing to 3000 F, and bend testing to -320 F.A comparison shows that generally the mechanical properties obtained for each alloy approach or exceed the target properties established by the Alloy Requirements and Selection Group. (Author).
Book Synopsis Department of Defense Refractory Metals Sheet-rolling Program by : H. R. Ogden
Download or read book Department of Defense Refractory Metals Sheet-rolling Program written by H. R. Ogden and published by . This book was released on 1961 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary is presented of the status of the Department of Defense Refractory Metals SheetRolling Program to accelerate the development of production techniques for high-quality, consistent sheet products from the refractory metals (Nb, Mo, Ta, and W) and their alloys. The program includes: (1) development of sheet production techniques, (2) establishment of minimum data re uired to evaluate mill production, (3) evaluation of fabrication characteristics of the sheet produced, and (4) establishment of design data. Contracts were awarded for the development of sheet production techniques for all four refractory metals. One contract was awarded for the evaluation of Mo alloy sheet fabrication characteristics. (Author).
Book Synopsis Evaluation Procedures for Screening Coated Refractory Metal Sheet by :
Download or read book Evaluation Procedures for Screening Coated Refractory Metal Sheet written by and published by . This book was released on 1963 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Refractory Metals by : F. H. Buttner
Download or read book The Refractory Metals written by F. H. Buttner and published by . This book was released on 1968 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The memorandum discusses the supply, production, consumption, and applications of the refractory metals, columbium, tantalum, molybdenum, tungsten, and rhenium. Lists of manufacturers of mill products of these metals are included. (Author).
Book Synopsis Evaluation Test Methods for Refractory Metal Sheet Materials by : MATERIALS ADVISORY BOARD NAS-NRC WASHINGTON D C.
Download or read book Evaluation Test Methods for Refractory Metal Sheet Materials written by MATERIALS ADVISORY BOARD NAS-NRC WASHINGTON D C. and published by . This book was released on 1965 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the third revision of recommended test methods for refractory metal sheet published by the Materials Advisory Board Refractory Metals Sheet Rolling Panel. The Panel's objective was to provide a standard basis for the test evaluation of sheet materials produced under various Department of Defense development programs. A subpanel was appointed for this purpose. After a thorough canvas of prominent suppliers and users of refractory sheet metals, the first recommendations were published in September 1961 as MAB-176-M to define common tensile, creep-rupture, bend, and thermal properties tests. Subsequently, as the Department of Defense programs progressed, more specialized tests became necessary to evaluate fabrication characteristics and to provide preliminary design data. Again, after discussion with principal organizations engaged in direct applications, a revised edition was published April 22, 1963, as MAB-192-M. Since that time, criticisms and comments have been reviewed by the subpanel with qualified individuals representing governmental and commercial laboratories. The present edition is based upon these reviews. Changes have been made in the tests described in Sections 1 through 6. The tests in Sections 7 through 15 are unchanged from Report 192-M. In preparing these recommendations, the subpanel has deferred where possible to prominent ASTM standards. (Author).
Book Synopsis Summary of Contractor Results in Support of the Refractory Metals Sheet Rolling Program by : D. J. Maykuth
Download or read book Summary of Contractor Results in Support of the Refractory Metals Sheet Rolling Program written by D. J. Maykuth and published by . This book was released on 1966 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the achievements on fourteen programs that were conducted in support of the Metals Sheet Rolling Program. These included programs for developing practices to produce large sheets from two grades of unalloyed tungsten (via powder metallurgy and arc melting, respectively), as well as for the Mo-0.5Ti, Mo-0.5Ti-0.1Zr-0.03C (TZM), Cb-10W-1Zr-0.1C (D-43), Cb-10W-2.5Zr (Cb-752), and Ta-30Cb-7.5V alloys. In addition, pilot sheet-rolling programs were also carried out for the Cb-27Ta-10W-1Zr (FS-85), Cb-5Mo-5V-1Zr (B-66), Ta-7W-3Re (GE-473), and Ta-9.6W-2.4Hf-0.01C (T-222) compositions.
Book Synopsis Evolution of Refractory Metals and Alloys by : Edward N. C. Dalder
Download or read book Evolution of Refractory Metals and Alloys written by Edward N. C. Dalder and published by Minerals, Metals, & Materials Society. This book was released on 1994 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of papers is from the 1993 TMS annual Meeting held in Denver, Colorado, February 21-25, 1993. It provides a review of the development of refractory metal alloys (those based on vanadium, columbian, niobium, tantalum, molybdenum, tungsten and rhenium) from the 1950s to the present. The technology of many of the leading researchers in this area has been recorded and preserved as a reference for current and future researchers.
Book Synopsis Effect of Temperature and Pressure on Contamination of Refractory Metals by :
Download or read book Effect of Temperature and Pressure on Contamination of Refractory Metals written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Work was carried out to evaluate the fabricability and properties of some refractory metal alloys rolled under various high-purity atmospheres and on the basis of this evaluation determine the maximum purity level of the processing environment required to maintain or improve the properties of refractory metal sheet. Vacuum-rolled Ta-W, F-48, D-31, and TZM alloys were evaluated in the as- rolled condition. In general, vacuum-rolled strip surfaces were bright and appeared cold-finished. There appeared to be a definite relationship between rolling parameters at a given pressure and the occurrence of edge cracks. Tensile strengths of strips rolled at less than one micron showed a decreasing trend with increased rolling temperature. (M.C.G.).
Book Synopsis Review of Recent Developments in the Evaluation of Special Metal Properties by : J. E. Campbell
Download or read book Review of Recent Developments in the Evaluation of Special Metal Properties written by J. E. Campbell and published by . This book was released on 1961 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recent Advances in Refractory Alloys for Space Power Systems by :
Download or read book Recent Advances in Refractory Alloys for Space Power Systems written by and published by . This book was released on 1970 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Refractory Metal Alloys Metallurgy and Technology by : I. Machlin
Download or read book Refractory Metal Alloys Metallurgy and Technology written by I. Machlin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication documents Proceedings of the Symposium on Metal lurgy and Technology of Refractory Metal Alloys, held in Washington, D.C. at the Washington Hilton Hotel on April 25-26, 1968, under sponsorship of the Refractory Metals Committee, Institute of Metals Division, of the Metallurgical Society of AIME, and the National Aeronautics and Space Administration. The Symposium presented critical reviews of selected topics in refractory metal alloys, thereby contributing to an in-depth understanding of the state-of-the-art, and establishing a base line for further research, development, and application. This Symposium is fifth in a series of conferences on refractory metals, sponsored by the Metallurgical Society of AlME. Publications issuing from the conferences are valuable technical and historical source books, tracing the evolution of refractory metals from early laboratory alloying studies to their present status as useful engineering materials. Refractory metals are arbitrarily defined by melting point. A 0 melting temperature of over 3500 F was selected as the minimum for this Symposium, thus excluding chromium and vanadium, which logically could be treated with other refractory metals in Groups VA and VIA of the periodic table. The Refractory Metals Committee is planning reviews of chromium and vanadium in subsequent conferences.
Book Synopsis Department of Defense Refractory Metals Sheet Rolling Program by : D. J. Maykuth
Download or read book Department of Defense Refractory Metals Sheet Rolling Program written by D. J. Maykuth and published by . This book was released on 1965 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is the third of a series which will periodically summarize the status of the various contracts involved in the Department of Defense Refractory Metals Sheet Rolling Program. Under this program, selected candidate materials are being carried through one or more of the following consecutive phases: Phase I, development of a sheet-production practice; Phase II, establishment of minimum design data; and Phase III, evaluation of sheetfabrication characteristics. To the present time, 13 contracts have been funded or planned in support of the Phase I, II, and III activities. This report summarizes the status of each of these individual contracts as of November 1, 1964. The first section describes the overall program of the Department of Defense Refractory Metals Sheet Rolling Program. Following, in the order of their discussions, are sections dealing with fabricable molybdenum alloys, unalloyed tungsten, columbium alloys, and tantalum alloys. (Author).
Book Synopsis Structural Considerations in Developing Refractory Metal Alloys by : R. I. Jaffee
Download or read book Structural Considerations in Developing Refractory Metal Alloys written by R. I. Jaffee and published by . This book was released on 1963 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress made in applying advanced techniques and structural concepts to the problem of strengthening the Group VI-A metals, Cr, Mo, and W, is examined. At low temperatures, T/Tm
Book Synopsis A Decade of Progress in Refractory Metals by : G. Mervin Ault
Download or read book A Decade of Progress in Refractory Metals written by G. Mervin Ault and published by . This book was released on 1966 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
