Properties Of Coated Refractory Metals

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Properties of Coated Refractory Metals

Author : W. A. Gibeaut,E. S. Bartlett
Publisher : Unknown
Page : 104 pages
File Size : 55,8 Mb
Release : 1964
Category : Heat resistant alloys
ISBN : UOM:39015095154616

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Properties of Coated Refractory Metals by W. A. Gibeaut,E. S. Bartlett Pdf

This report summarizes the information generated since the middle of 1961 on the chemical, physical, and mechanical properties of refractory metals that are coated with oxidation-resistant coatings of advanced-experimental or commercial status. It is a supplement to DMIC Report 162, Coatings for the Protection of Refractory Metals from Oxidation, dated November 24, 1961. Recent data on specific silicide- and aluminide- type coatings for columbium, molybdenum, tantalum, and tungsten and their alloys reflect general advances in coating quality and performance, understanding of the behavior of coated systems, and more complete realization of the problems associated with the use of coated hardware.

Properties of Refractory Metals

Author : Walter D. Wilkinson
Publisher : Unknown
Page : 380 pages
File Size : 43,8 Mb
Release : 1969
Category : Heat resistant alloys
ISBN : UCAL:B4220036

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Properties of Refractory Metals by Walter D. Wilkinson Pdf

Refractory Metal Alloys Metallurgy and Technology

Author : I. Machlin
Publisher : Springer Science & Business Media
Page : 493 pages
File Size : 48,5 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9781468491203

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Refractory Metal Alloys Metallurgy and Technology by I. Machlin Pdf

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.

Procedures for Electroplating Coatings on Refractory Metals

Author : John G. Beach,John A. Gurklis
Publisher : Unknown
Page : 32 pages
File Size : 55,7 Mb
Release : 1959
Category : Electroplating
ISBN : UOM:39015095151208

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Procedures for Electroplating Coatings on Refractory Metals by John G. Beach,John A. Gurklis Pdf

Technical Abstract Bulletin

Author : Anonim
Publisher : Unknown
Page : 908 pages
File Size : 48,7 Mb
Release : 2024-06-30
Category : Science
ISBN : CORNELL:31924057175493

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Technical Abstract Bulletin by Anonim Pdf

Department of Defense Refractory Metals Sheet Rolling Program

Author : D. J. Maykuth
Publisher : Unknown
Page : 48 pages
File Size : 44,5 Mb
Release : 1965
Category : Heat resistant alloys
ISBN : UOM:39015095155084

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Department of Defense Refractory Metals Sheet Rolling Program by D. J. Maykuth Pdf

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).

Nuclear Science Abstracts

Author : Anonim
Publisher : Unknown
Page : 722 pages
File Size : 50,7 Mb
Release : 1976-02
Category : Nuclear energy
ISBN : PSU:000047758872

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Nuclear Science Abstracts by Anonim Pdf

U.S. Government Research Reports

Author : Anonim
Publisher : Unknown
Page : 2194 pages
File Size : 47,5 Mb
Release : 1964
Category : Electronic
ISBN : PSU:000047866263

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U.S. Government Research Reports by Anonim Pdf

Refractory Metals in Europe

Author : Robert Isaac Jaffee
Publisher : Unknown
Page : 10 pages
File Size : 40,6 Mb
Release : 1961
Category : Heat resistant alloys
ISBN : UOM:39015095152255

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Refractory Metals in Europe by Robert Isaac Jaffee Pdf

The Effects of Heat-treating and Testing Environments on the Properties of Refractory Metals

Author : F. F. Schmidt,D. J. Maykuth,H. R. Ogden
Publisher : Unknown
Page : 36 pages
File Size : 43,9 Mb
Release : 1964
Category : Heat resistant alloys
ISBN : UOM:39015095154517

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The Effects of Heat-treating and Testing Environments on the Properties of Refractory Metals by F. F. Schmidt,D. J. Maykuth,H. R. Ogden Pdf

Studies on the effects of heat-treating and testing environments for the refractory metals have been limited primarily to the unalloyed metals and a few alloys of columbium and molybdenum. Most of this work has relied on compositional changes as a means of assesing the effects of various environments on these materials. It has been shown that all of these materials are subject to contamination or purification in various test environments. The residual gases H2, CO(or N2), and H20, constitute the major sources of contamination when testing columbium and tantalum materials in vacua. Under the same conditions, molybdenum and molybdenum alloys containing carbon and reactive-metal additions are subject to serious decarburization. Nonreactive gaseous atmospheres also cause serious changes in material chemistry, since small quantities of noxious gases are contained in the atmosphere. Several promising methods of circumventing material chemistry changes during various longtime, high-temperature exposures are being used and/or evaluated. (Author).