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Application of Physical Metallurgy to Refractory Metal Processing
Author: W. D. Brentnall
Publisher:
Published: 1964
Total Pages: 65
ISBN-13:
DOWNLOAD EBOOK →The transverse bend transition temperatures of a molybdenum alloy with carbon levels of 0.03, 0.07, and 0.10% are shown to be within the limits of -100 to +250 F. The sheet rolled directly from sheet bar to finished gage without intervening anneal generally possesses the lowest transition temperature. Differences in transition temperature between the cold worked and recrystallized structures are generally small. Laminating tendency is shown to be associated with the cold worked structure. With the advance of recrystallization it disappears. A condition of about 30% recrystallization corresponds to the disappearance of laminating tendency and a maximum in bend-rebend ductility. (Author).
Physical Metallurgy of Refractory Metals and Alloys
Author: E. M. Savitskii
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 296
ISBN-13: 1468415727
DOWNLOAD EBOOK →The principal reasons which induced the authors to write this book and the features of the book are set forth in the preface to the Russian edition. That section of the science of metals which in Russian is called "metallovedenie" or the "physical chemistry of metals" is generally referred to in scientific and technical literature published in the English language by the term "physical metallurgy." These concepts are much broader than the term" metallography," used in the scientific and technical literature of various countries, and applied solely to research on the interrelationships of the structure and proper ties of metals and alloys. Each science must have its own subject and its own method of research. Certainly, all specialists will agree that metals and alloys, including their solid solutions, mechanical mix tures, and metallic compounds, form the subject of "physical metallurgy" or "physical chemis try of metals." The aim of this science. is to produce a theory and to elucidate the experimental relationships which ought finally to make it possible to calculate quantitatively alloys Of given properties for any working conditions and parameters.
Refractory Metal Alloys Metallurgy and Technology
Author: I. Machlin
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 493
ISBN-13: 1468491202
DOWNLOAD EBOOK →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.
The Effect of Fabrication History and Microstructure on the Mechanical Properties of Refractory Metals and Alloys
Author: Albert G. Imgram
Publisher:
Published: 1963
Total Pages: 80
ISBN-13:
DOWNLOAD EBOOK →This report summarizes the present knowledge concerning the relationship among fabrication history, metallurgical structure, and the mechanical properites of the refractory metals columbium, tantalum, bolybdenum, and tungsten, and their alloys. These are the refractory metals currently reveiveing the most attention for aerospace applications, and are therefore the materials considered in this survey. The report is organized into three main sections, titled ''Fabrication'', ''Microstructure and Alloying'', and ''Interstitial Impurities''. The data presented were selected as those which best illustrate the topics discussed. Descriptions of the metaljurgical principles involved are included. Suggestions for optimizing mechanical properties by controlling metallurgical structure are made where possible. (Author).
Oxide Dispersion Strengthened Refractory Alloys
Author: Anshuman Patra
Publisher: CRC Press
Published: 2022-05-19
Total Pages: 198
ISBN-13: 1000580555
DOWNLOAD EBOOK →Refractory metals such as W, Mo, Ta, Nb, and Re have immense potential for application in plasma-facing materials in nuclear reactors, defense materials, aviation counterweights, heating elements in furnaces, and so forth. This book presents a wide perspective of oxide dispersion strengthened refractory alloys fabrication and critical properties. It provides a comprehensive road map for an appropriate basis for alloy design, process parameter selection, fabrication route, and deformation behavior for oxide dispersion strengthened refractory alloys. It further covers achievement of application-oriented properties and critical process-regulating parameters for development of sustainable materials. Features: Covers development of oxide dispersion strengthened sustainable material to withstand high-temperature environments Describes stimulating application-oriented final mechanical properties Illustrates fabrication of alloys through effective route to achieve desired properties Presents in-depth explanation of deformation behavior at ambient and high temperatures Explores critical applications of the alloys in nuclear reactors, defense, and aviation sectors Oxide Dispersion Strengthened Refractory Alloys will be of interest to graduate students and researchers in high-temperature materials, mechanics, metallurgy, powder metallurgy, and physical metallurgy.
The Refractory Metals
Author: F. H. Buttner
Publisher:
Published: 1968
Total Pages: 18
ISBN-13:
DOWNLOAD EBOOK →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).
Refractory Metals and Their Industrial Applications
Author: Robert E. Smallwood
Publisher: ASTM International
Published: 1984
Total Pages: 128
ISBN-13: 9780803102033
DOWNLOAD EBOOK →Treatise on Process Metallurgy, Volume 3: Industrial Processes
Author:
Publisher: Newnes
Published: 2013-12-09
Total Pages: 1810
ISBN-13: 0080969895
DOWNLOAD EBOOK →Process metallurgy provides academics with the fundamentals of the manufacturing of metallic materials, from raw materials into finished parts or products. Coverage is divided into three volumes, entitled Process Fundamentals, encompassing process fundamentals, extractive and refining processes, and metallurgical process phenomena; Processing Phenomena, encompassing ferrous processing; non-ferrous processing; and refractory, reactive and aqueous processing of metals; and Industrial Processes, encompassing process modeling and computational tools, energy optimization, environmental aspects and industrial design. The work distils 400+ years combined academic experience from the principal editor and multidisciplinary 14-member editorial advisory board, providing the 2,608-page work with a seal of quality. The volumes will function as the process counterpart to Robert Cahn and Peter Haasen’s famous reference family, Physical Metallurgy (1996)--which excluded process metallurgy from consideration and which is currently undergoing a major revision under the editorship of David Laughlin and Kazuhiro Hono (publishing 2014). Nevertheless, process and extractive metallurgy are fields within their own right, and this work will be of interest to libraries supporting courses in the process area. Synthesizes the most pertinent contemporary developments within process metallurgy so scientists have authoritative information at their fingertips Replaces existing articles and monographs with a single complete solution, saving time for busy scientists Helps metallurgists to predict changes and consequences and create or modify whatever process is deployed
Physical Chemistry of Metallurgical Processes
Author: M. Shamsuddin
Publisher: John Wiley & Sons
Published: 2016-02-29
Total Pages: 614
ISBN-13: 1119078334
DOWNLOAD EBOOK →This book covers various metallurgical topics, viz. roasting of sulfide minerals, matte smelting, slag, reduction of oxides and reduction smelting, interfacial phenomena, steelmaking, secondary steelmaking, role of halides in extraction of metals, refining, hydrometallurgy and electrometallurgy. Each chapter is illustrated with appropriate examples of applications of the technique in extraction of some common, reactive, rare or refractory metal together with worked out problems explaining the principle of the operation.
