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Author : J. J. English
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.3/5 (91 download)
Download or read book Recent Information on Long-time Creep Data for Columbium Alloys written by J. J. English and published by . This book was released on 1965 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. S. Bartlett
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (91 download)
Download or read book Creep of Columbium Alloys written by E. S. Bartlett and published by . This book was released on 1963 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although much information on high-temperature tensile and stress-rupture properties for various columbium-base materials is readily available, only limited information concerning the more useful creep behavior of columbium alloys has been reported. These data are widely scattered throughout the literature, and little attempt has been made to rationalize the creep behavior of columbium alloys. The purpose of this memorandum is to compile and review existing creep data for columbium alloys to gain insight into their merits and limitations for time-dependent structural service. (Author).
Author : Robert H. Titran
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (31 download)
Download or read book Ultrahigh-vacuum Creep Behavior of Columbium and Tantalum Alloys at 2000 ̊and 2200 ̊F for Times Greater Than 1000 Hours written by Robert H. Titran and published by . This book was released on 1966 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William L. Maag
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)
Download or read book Statistical Analysis of High-temperature Creep-rate Data for Alloys of Tantalum, Molybdenum, and Columbium written by William L. Maag and published by . This book was released on 1969 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 506 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Note written by and published by . This book was released on 1969 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert H. Titran
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)
Download or read book High-temperature Creep Behavior of a Columbium Alloy, FS-85 written by Robert H. Titran and published by . This book was released on 1965 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Creep tests of 1000 hours duration and greater were conducted in the temperature range 20000 to 22000 F on a commercially available columbium alloy (FS-85) in vacuum units designed and built to achieve ultimate pressures of 10%% torr. At a stress level of 10 000 pounds per square inch, FS-85 exhibited moderate creep resistance at 2000 F, 1-percent strain being achieved in 775 hours. At 21000 and 22000 F and the same stress level, the alloy was much weaker, 1-percent strain being achieved in 355 and 50 hours, respectively. The Manson-Haferd linear time-temperature parameter proved moderately successful in predicting the long-time creep lives from relatively short-time creep data, the maximum error between predicted and experimental lives being a factor of 1. 7 and the average error being a factor of 1. 3. The agreement is considered good in view of the large scatter generally observed in long-time high-temperature creep tests. In all cases, however, the observed experimental life was shorter than the predicted life. The nonconservative nature of these predictions may be due in part to the fact that the predictions were based on data obtained at a pressure level of approximately to 10 -6 torr, but the long-time tests to which the predictions are compared were made at a lower pressure level, 10 -8 to 10 -9 torr. Creep tests conducted in the conventional-vacuum units (10 -6 torr) and the ultrahigh- vacuum units under the same conditions of temperature and stress yielded creep curves that are virtually identical for the first few hundred hours but that deviate with increasing test time. The conventional-vacuum tests then showed a reduced creep rate compared with that of the ultrahigh-vacuum tests.
Author : J. C. Sawyer
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (317 download)
Download or read book Generation of Long Time Creep Data of Refractory Alloys at Elevated Temperatures written by J. C. Sawyer and published by . This book was released on 1968 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Creep tests were conducted on selected refractory alloys in a vacuum environment (
Author : I. Machlin
Publisher : Springer Science & Business Media
ISBN 13 : 1468491202
Total Pages : 493 pages
Book Rating : 4.4/5 (684 download)
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.
Author :
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ISBN 13 :
Total Pages : 1310 pages
Book Rating : 4.0/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1971 with total page 1310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 978 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 1976 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 828 pages
Book Rating : 4.:/5 (327 download)
Download or read book Aerospace Structural Metals Handbook written by and published by . This book was released on 1989 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. R. Van Orsdel
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.3/5 (91 download)
Download or read book Summary of the Thirteenth Meeting of the Refractory Composites Working Group written by J. R. Van Orsdel and published by . This book was released on 1967 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memorandum summarizes information on refractory materials and composites that was presented at the Thirteenth Meeting of the Refractory Composites Working Group in Seattle, Washington on July 18-20, 1966. The memorandum is based on 34 papers that were presented at the meeting. They are reviewed and discussed briefly within the framework of the following four broad areas: materials technology, process technology, specific hardware applications and tests, and evaluation techniques. Included in the section on materials technology are discussions dealing with bulk refractory materials, coated systems, and fiber-reinforced composites. The section on process technology discusses cladding and general fabrication processes. The specific hardware applications and tests cover rocket-motor components, and cladding of a probe used in the glass industry. The section on evaluation techniques covers thermal testing, and non-destructive testing. (Author).
Author : T. P. Groeneveld
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (91 download)
Download or read book The 9Ni-4Co Steels written by T. P. Groeneveld and published by . This book was released on 1966 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memorandum briefly discusses the physical metallurgy, heat treatment, mechanical properties, stress-corrosion properties, and fabrication of the 9Ni-4Co-XC steels. This family of steels was developed specifically to meet the requirements of the aircraft and aerospace industries for materials possessing high strength and high toughness. By varying the composition and heat treatment, the 9Ni-4Co-xC steels can develop strengths in the 200 to 300 ksi tensile-strength range and reportedly possess high toughness. The lower carbon grades have excellent weldability, developing strength in the 180 to 200 ksi range with high toughness without the need for preheat or postweld-heat treatment. (Author).
Author : J. M. Ferguson
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Oxidation and Contamination of Titanium and Its Alloys written by J. M. Ferguson and published by . This book was released on 1968 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental programs concerned with the oxidation of titanium and its alloys are reviewed and results compared with those predicted by theory. Wagner-Hauffe theory is used as the primary basis for comparison, and its inconsistencies are pointed out. Fifteen binary alloy systems involving titanium are covered, as well as a few ternary and commercial alloys. A short section discusses the effects of oxygen or nitrogen contamination on the mechanical properties of titanium and its alloys. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings written by and published by . This book was released on 1962 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Melvin Evans
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)
Download or read book New Developments in Welding Steels with Yield Strengths Greater Than 150,000 PSI written by Robert Melvin Evans and published by . This book was released on 1965 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report summarizes the advancements made in the development and welding of steels possessing yield strengths greater than 150,000 psi. Steels discussed include the medium carbon, low-alloy martensitic steels; low carbon alloy martensites; and nickel maraging steels. Almost all programs which have the objective of developing high-strength steels have an equally important phase concerned with filler metal development. Filler metals are also discussed. The new welding processes discussed are Narrow-Gap welding, electron-beam welding, plasma-arc welding, high-frequency resistance welding, electroslag welding, laser welding, and interrupted-arc (dip trasfer) MIG welding. (Author).
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.F/5 ( download)
Download or read book Power for Spacecraft written by United States. National Aeronautics and Space Administration and published by . This book was released on 1962 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
