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Effects Of Interstitial Impurity Levels On Mechanical Properties Of Columbium At Low Temperatures
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Book Synopsis Effects of Interstitial Impurity Levels on Mechanical Properties of Columbium at Low Temperatures by : M. D. Carver
Download or read book Effects of Interstitial Impurity Levels on Mechanical Properties of Columbium at Low Temperatures written by M. D. Carver and published by . This book was released on 1961 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Interstitial Impurity Levels on Mechanical Properties of Columbium at Low Temperatures by : Arnold Adams
Download or read book Effects of Interstitial Impurity Levels on Mechanical Properties of Columbium at Low Temperatures written by Arnold Adams and published by . This book was released on 1961 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Intertitial Impurity Levels on Mechanical Properties of Columbium at Low Temperatures by : M. D. Carver
Download or read book Effects of Intertitial Impurity Levels on Mechanical Properties of Columbium at Low Temperatures written by M. D. Carver and published by . This book was released on 1961 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physical and Mechanical Properties of Columbium and Columbium-base Alloys by : E. S. Bartlett
Download or read book Physical and Mechanical Properties of Columbium and Columbium-base Alloys written by E. S. Bartlett and published by . This book was released on 1960 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Factors Influencing the Incendivity of Permissible Explosives by : Robert W. Van Dolah
Download or read book Factors Influencing the Incendivity of Permissible Explosives written by Robert W. Van Dolah and published by . This book was released on 1961 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of Investigations written by and published by . This book was released on 1961 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975-04 with total page 1082 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis List of Bureau of Mines Publications and Articles ... with Subject and Author Index by : United States. Bureau of Mines
Download or read book List of Bureau of Mines Publications and Articles ... with Subject and Author Index written by United States. Bureau of Mines and published by . This book was released on 1966 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dictionary Catalog of the Department Library by : United States. Department of the Interior. Library
Download or read book Dictionary Catalog of the Department Library written by United States. Department of the Interior. Library and published by . This book was released on 1967 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1962 with total page 1990 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Kinetic and Thermodynamic Properties of the Refractory Metal Borides and Nitrides by :
Download or read book Some Kinetic and Thermodynamic Properties of the Refractory Metal Borides and Nitrides written by and published by . This book was released on 1963 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Oxygen and Nitrogen on Workability and Mechanical Properties of Columbium by : R. T. Begley
Download or read book Effect of Oxygen and Nitrogen on Workability and Mechanical Properties of Columbium written by R. T. Begley and published by . This book was released on 1960 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Currently, considerable effort is being devoted to the development of columbium-base alloys for high-temperature structural applications. Because of its high melting point (2468 C), intermediate density (8.57 g per cu cm), generally good ductility, attractive high-temperature strength, and low ductile-brittle transition range, columbium has considerable potential as a base for high-temperature alloys. One of the difficulties associated with the melting, processing, and application of columbium is its reactivity with atmospheric gases, even at moderately elevated temperatures. The workability and mechanical properties of the metal are seriously affected by the gaseous impurity level. The work described in this paper was undertaken to provide data concerning the effect of oxygen and nitrogen additions on the hardness, workability, strain hardening characteristics, and recrystallization behavior of columbium. The solid solubility of oxygen in columbium is quite high compared to that of most of the other refractory metals. Seybolt [1] reported the primary solid solubility to be 0.25 and 1.0 per cent by weight at 775 and 1100 C respectively. Recent work by Elliott [2] indicates a solubility of 0.25 per cent by weight of oxygen at 500 C, and a maximum solubility of 0.72 per cent by weight at 1915 C. Three oxides, CbO, CbO2, and Cb2O5, exist in the system. A eutectic reaction occurs between the ?-columbium primary solid solution and CbO at 10.5 per cent by weight of oxygen and 1915 C. Oxygen has a pronounced effect on the room temperature hardness and tensile properties of columbium. Tottle [3] has reported that increasing the oxygen content of columbium from 0.03 to 0.41 per cent by weight raises the ultimate tensile strength from 41,000 to 131,250 psi, and the hardness from 87 to 331 diamond pyramid hardness. Several investigators [4,5,6] have observed repeated yielding and the return of the yield point on aging in columbium, which are indicative of strain aging. Earlier work by the authors [6] indicated that oxygen was the interstitial element responsible for the observed strain-aging phenomena.
Download or read book TID. written by and published by . This book was released on 1963 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metallurgy of Molybdenum, Niobium, and Molybdenum-niobium Alloys by : U.S. Atomic Energy Commission
Download or read book Metallurgy of Molybdenum, Niobium, and Molybdenum-niobium Alloys written by U.S. Atomic Energy Commission and published by . This book was released on 1963 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Bibliography of Refractory Metals by : Robert Syre
Download or read book A Bibliography of Refractory Metals written by Robert Syre and published by . This book was released on 1968 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stockpile Report to the Congress by : United States. Office of Emergency Planning
Download or read book Stockpile Report to the Congress written by United States. Office of Emergency Planning and published by . This book was released on 1948 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stockpile Report to the Congress by :
Download or read book Stockpile Report to the Congress written by and published by . This book was released on 1961 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
