Statistical Analysis of Tensile Properties of Heat-treated Ti-4A1-3Mo-1V Sheet PDF Download
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Author: H. R. Ogden
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 48
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Book Description
Author: H. R. Ogden
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 48
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Book Description
Author: G. H Beatty
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 54
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Book Description
IN THE SOLUTION TREATED AND AGED CONDITION, Ti4Al-3Mo-1V has a higher ultimate strength than does Ti-2.5Al-16V, but the two alloys are about even in yield strength and elongation. In the solution-treated condition, Ti-4Al-3Mo-1V is unquestionably stronger than Ti-2.5Al-16V. These conclusions are independent of producer. There is not much difference in the same alloy produced by different companies. The alloys developed under the Titanium-Alloy Sheet-Rolling Program would not endure the most critical interpretation of release property specifications. On the other hand, these alloys come reasonably close to specifications. A complete set of release property specifications is available only for specimens that have been solution treated and aged. Such specimens do not all exhibit the desired ultimate and yield strength, but the percentage of rejects is small enough to be encouraging. (Author).
Author: A. R. Elsea
Publisher:
ISBN:
Category : Steel
Languages : en
Pages : 52
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Book Description
THE ACHIEVEMENT AND MAINTENANCE OF DESIRED DIMENSIONS IN COMPLEX, PRECISION-BUILT STRUCTURES, SUCH AS ROCKET-MOTOR CASES, ARE CRITICAL AND TECHNICALLY INVOLVED PROBLEMS. Their proper functioning demands close dimensional tolerances. Dimensional stability is extremely difficult toACHIEVE IN STEELS AT ULTRAHIGH STRENGTH LEVELS. The problem stems from interacting metallurgical factors which manifest themselves in volumetric and shape changes. The principal sources of size change are the changes in specific volume accompanying the phase transformations which occur in hardening and tempering. Distortion occurs when a part deforms in response to stress. The problem of dimensional instability is analyzed, the factors involved are discussed, and recommendations are made regarding the control of these factors. (Author).
Author: Albert G. Imgram
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 80
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Book Description
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).
Author: J. E. Campbell
Publisher:
ISBN:
Category : Maraging steel
Languages : en
Pages : 136
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Book Description
Since the combination of tensile properties and toughness that can be obtained with the maraging steels is higher than can be achieved with other steels by simple heat treatments, there is considerable interest in using the maraging steels for critical components such as rocket motor cases, pressure vessels, and aircraft forgings. This report includes information on the tensile, compressive, shear, bearing, dynamic modulus, impact, bend, fatigue, creep, and rupture properties of the 18 per cent nickel maraging steels and on the effect of temperature on these properties. Data for the properties of sheet, bar, and forgings, as well as data illustrating the effect of cold rolling, variation in the heat treatment, and elevated-temperature exposure also are presented. Data on the effect of specimen orientation, which are also included, indicate that the ductility and toughness of specimens designed to evaluate the properties in the short transverse direction are somewhat lower than in the other directions. The high strength and toughness that can be obtained in the 18 per cent nickel maraging steels make them attractive for certain critical applications that require these properties. The fabrication characteristics, weldability, and simple heat treatment are other advantages of these steels. (Author).
Author: W. D. Wood
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 290
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Book Description
Author: G. E. Faulkner
Publisher:
ISBN:
Category : Metal cladding
Languages : en
Pages : 60
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Author: J. W. Spretnak
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 70
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Author: William D. Klopp
Publisher:
ISBN:
Category : Ceramic metals
Languages : en
Pages : 88
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Author: W. A. Gibeaut
Publisher:
ISBN:
Category : Ceramic coating
Languages : en
Pages : 94
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Book Description
I NFORMATION ON REFRACTORY COMPOSITES FOR USE ABOVE
