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6th Meeting Of The Refractory Composites Working Group
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Book Synopsis Summary of the Sixth Meeting of the Refractory Composites Working Group by : W. A. Gibeaut
Download or read book Summary of the Sixth Meeting of the Refractory Composites Working Group written by W. A. Gibeaut and published by . This book was released on 1962 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: I NFORMATION ON REFRACTORY COMPOSITES FOR USE ABOVE
Book Synopsis Summary of the Seventh Meeting of the Refractory Composites Working Group by : W. A. Gibeaut
Download or read book Summary of the Seventh Meeting of the Refractory Composites Working Group written by W. A. Gibeaut and published by . This book was released on 1963 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes information on refractory composites for use above 2500 F, as presented at the Seventh Meeting of the Refractory Composites Working Group, held March 12-14, 1963. Reports presented at the meeting were concerned with pro tective coatings, insulating ceramics, materials for rocket thrust chambers, dispersion strength ening of metals, joining of refractory materials, and testing techniques. Emphasis in the field of coatings for refractory metals has shifted from the rudiments of developing oxidation-resistant coatings to improvement and advanced evaluation of coatings to predict their utility for re-entry vehicles. (Author).
Book Synopsis Summary of the Tenth Refractory Composites Working Group Meeting by : L. N. Hjelm
Download or read book Summary of the Tenth Refractory Composites Working Group Meeting written by L. N. Hjelm and published by . This book was released on 1965 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Symposia by : Defense Documentation Center (U.S.)
Download or read book Symposia written by Defense Documentation Center (U.S.) and published by . This book was released on 1963 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Metalworking Processes and Equipment Program by : F. C. Holden
Download or read book U.S. Government Metalworking Processes and Equipment Program written by F. C. Holden and published by . This book was released on 1964 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary is given of the status of the various contracts involved in the U.S. Government's Metalworking Processes and Equipment Program. (Author).
Book Synopsis Vacuum Degassing in the Production of Premium-quality Steels by : P. J. O'Reilly
Download or read book Vacuum Degassing in the Production of Premium-quality Steels written by P. J. O'Reilly and published by . This book was released on 1964 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report gives the experiences of several steel producers and consumers with vacuum degassing as a melting practice in the manufacture of high-strength steels for critical applications. The parameters involved in determining the effects of melting practice on mechanical properties are outlined. Pertinent melting processes are described and evaluated qualitatively. In presenting the data, vacuum degassing is compared with other melting practices such as conventional air melting and consumable-electrode vacuum-arc remelting (CEVAR). Generally, there is a trend indicating that vacuum degassing is being used in some production applications instead of air-melted or CEVAR material. In terms of higher and more uniform transverse tensile properties and impact strength, longer fatigue life, and improved cleanliness, the CEVAR alloys were the best. Vacuum degassing by any of the various methods resulted in an improvement in properties of air-melted alloys. In some instances it appeared that the quality of CEVAR alloys could be approached when stream degassing or D-H (Dortmund-Horder) treatment was applied to air melts. Recommendations are given for additional investigations on the effects of melting practice on mechanical properties of premium-quality steels. (Author).
Book Synopsis The Engineering Properties of Tantalum and Tantalum Alloys by : F. F. Schmidt
Download or read book The Engineering Properties of Tantalum and Tantalum Alloys written by F. F. Schmidt and published by . This book was released on 1963 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of a state-of-the-art survey covering tantalum and seven of its alloys. All data are given in tabular and graphical form covering some of the more important physical, mechanical, and metallurgical properties for each material. References are given at the conclusion of each material section.
Book Synopsis The Engineering Properties of Molybdenum and Molybdenum Alloys by : F. F. Schmidt
Download or read book The Engineering Properties of Molybdenum and Molybdenum Alloys written by F. F. Schmidt and published by . This book was released on 1963 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen-induced, Delayed, Brittle Failures of High-strength Steels by : A. R. Elsea
Download or read book Hydrogen-induced, Delayed, Brittle Failures of High-strength Steels written by A. R. Elsea and published by . This book was released on 1964 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Engineering Properties of Columbium and Columbium Alloys by : F. F. Schmidt
Download or read book The Engineering Properties of Columbium and Columbium Alloys written by F. F. Schmidt and published by . This book was released on 1963 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a state-of-the-art survey covering niobium and 18 of its most promising alloys are presented. All data are given in tabular and graphical form covering some of the more important physical, mechanical, and metallurgical properties for each material. References are given at the conclusion of each material section.
Book Synopsis Tungsten Research and Development Review by : J. L. Ratliff
Download or read book Tungsten Research and Development Review written by J. L. Ratliff and published by . This book was released on 1963 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Government-sponsored tungsten research and development efforts encompass a broad rage of technological activities. Typifying the extreme limits of efforts since January, 1960, studies have ranged from preparation of unalloyed metal to development of high-integrity fabricated shapes of tungsten-base materials. Nine major areas outline the broad over-all effort, and each is summarized within this report by brief technical discussions of 104 separate studies on 79 research programs. Included are preparation of metal, consolidation, primary and secondary working, joining, fabrication and performance of rocket nozzles, oxidation and other high-temperature reactions, protective coatings, properties, and physical metallurgy.
Book Synopsis Cracking in High-strength Steel Weldments by : P. A. Kammer
Download or read book Cracking in High-strength Steel Weldments written by P. A. Kammer and published by . This book was released on 1964 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weldment cracking is a broad complex field. Even if one considers only cracking of steel weldments, the problems range from cracking at temperatures near the solidus during welding to cracking at room temperature days, weeks, or months after welding is completed. Numerous reports of investigations in this field are contained in the published and unpublished literature. However, most of these reports cover only a particular problem in a specific area of the broad field of weldment cracking. This review attempts to cover the major aspects of the entire field of weldment cracking. Necessarily, the review is for the most part general, only being specific in a few instances to illustrate a point. (Author).
Book Synopsis The Effects of High Pressure, High Temperature Hydrogen on Steel by : Ellis E. Fletcher
Download or read book The Effects of High Pressure, High Temperature Hydrogen on Steel written by Ellis E. Fletcher and published by . This book was released on 1964 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report deals with the deleterious effects of hydrogen gas on steel at elevated temperatures and/or pressures. Hydrogen attack on steels is manifest as decarburization, intergranular fissuring, or blistering. These conditions result in lowered tensile strength, ductility, and impact strength. The reaction of hydrogen with iron carbide to form methane is probably the most important chemical reaction involved in the attack on steel by hydrogen. Attack of steel at elevated temperatures and pressures is limited or prevented by the following measures: (1) use of steel alloyed with strong carbide-forming elements, (2) use of liners of resistant alloy steels, and (3) substitution of resistant nonferrous alloys.
Book Synopsis The Engineering Properties of Tungsten and Tungsten Alloys by : F. F. Schmidt
Download or read book The Engineering Properties of Tungsten and Tungsten Alloys written by F. F. Schmidt and published by . This book was released on 1963 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a state-of-the-art survey covering tungsten and ten of its alloys are presented. All data are given in tabular and graphical form covering some of the more important physical, mechanical, and metallurgical properties for each material. References are given at the conclusion of each material section.
Book Synopsis A Discussion of the Physical Metallurgy of the 18 Per Cent Nickel Maraging Steels by : Albert M. Hall
Download or read book A Discussion of the Physical Metallurgy of the 18 Per Cent Nickel Maraging Steels written by Albert M. Hall and published by . This book was released on 1963 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various aspects of the physical metallurgy of the 18 % nickel maraging steels are discussed in this report in the light of the knowledge which has thus far been accumulated on these steels. The 18 % nickel type of maraging steel was singled out for discussion because of its especially attractive combination of strength and fracture toughness, the comparative simplicity with which it can be hardened, and the relative ease with which it can be formed and joined. The highnickel maraging steels are considered to be outstanding members of a loose-knit family of agehardenable or precipitation-hardenable martensitic steels. Some comparisons and analogies are drawn among various members of this family with particular reference to the 18% nickel steels. (Author).
Book Synopsis The Mechanical Properties of the 18 Per Cent Nickel Maraging Steels by : J. E. Campbell
Download or read book The Mechanical Properties of the 18 Per Cent Nickel Maraging Steels written by J. E. Campbell and published by . This book was released on 1964 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).
Book Synopsis Structural Considerations in Developing Refractory Metal Alloys by : R. I. Jaffee
Download or read book Structural Considerations in Developing Refractory Metal Alloys written by R. I. Jaffee and published by . This book was released on 1963 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress made in applying advanced techniques and structural concepts to the problem of strengthening the Group VI-A metals, Cr, Mo, and W, is examined. At low temperatures, T/Tm
