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Summary Of The Sixteenth Refractory Composites Working Group Meeting
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Book Synopsis Summary of the Eighth Meeting of the Refractory Composites Working Group by : E. S. Bartlett
Download or read book Summary of the Eighth Meeting of the Refractory Composites Working Group written by E. S. Bartlett and published by . This book was released on 1964 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memorandum summarizes information on refractory materials and composites as presented at the Eighth Meeting of the Refractory Composites Working Group in Fort Worth, Texas, January 14-16, 1964. This memorandum is based on 45 papers covering a wide variety of subjects ranging from basic studies on oxidation mechanisms to the development of specific pieces of hardware. The papers are reviewed and discussed briefly within the framework of the following four broad areas: materials technology, process technology, specific hardware applications, and evaluation techniques. Included in the section on materials technology are discussions dealing with bulk refractory materials and coatedmetal systems. Hot spraying, chemical vapor deposition, powder processes, joining, and extrusion are discussed in the section on process technology. The specific hardware applications cover rocket-motor components, nose caps, leading edges, hot skins, and fasteners. (Author).
Book Synopsis Arc Plasma Technology in Materials Science by : Dennis A. Gerdeman
Download or read book Arc Plasma Technology in Materials Science written by Dennis A. Gerdeman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although a considerable amount of information concerning the applications for arc plasmas in the materials sciences is available, it is contained in literally thousands of separate manuals, technical notes, textbooks, and government and industrial reports. Each source generally deals with only one specific application or, at best, a narrow range of utilization. This book was developed to provide a comprehensive and up-to-date compilation of information in the technology of arc plasma utilization. The book is divided into two general categories: flame spraying and materials evaluation. In the flame spraying section a comprehensive review of the plasma spraying process is presented. The design and operation of plasma spraying equipment are described. Included are a description of the nature of a plasma, and the design and operation of plasma generators, powder feed systems and accessory control equip ment. The general process procedures, and associated process variables are de scribed. Particular emphasis is given to the particle heating process and the mechanisms for adherence and cohesion of coatings. Competitive flame spraying equipment is also detailed (combustion process, detonation and electric arc) and compared with the plasma spray process. A discussion and compilation of flame sprayed ceramic and metal materials, their properties and applications are also included.
Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)
Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1967 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis D M I C Report by : Defense Metals Information Center
Download or read book D M I C Report written by Defense Metals Information Center and published by . This book was released on 1968 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1964 with total page 1076 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 1966 with total page 1432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation and Properties of Fiber-reinforced Structural Materials by : D. E. Price
Download or read book Preparation and Properties of Fiber-reinforced Structural Materials written by D. E. Price and published by . This book was released on 1963 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metallic fibers in the form of whiskers, chopped fine wire, or wool have been incorporated into metallic matrices by two principal methods: classical powder-metallurgical methods, and infiltration of the fibers with molten matrix metal. Ceramic fibers, notably alpha-A1203, have been used as whiskers or wool for reinforcing metallic matrices, the methods of preparation of the composite being the same as with metallic fibers. When metallic fibers are used to reinforce ceramics, the ceramic is either slip cast into the fiber mat and dried, or a mixture of the fiber and ceramic is hot pressed. Plastics and elastomers are combined with fibers by several methods, for example, dipping a sintered skeleton of the fibers into liquid Teflon. Several programs have resulted in combinations which show that reinforcement of metals by either metallic or alpha-A1203 fibers is possible. Both the room-temperature and elevatedtemperature tensile properties of the composite seem to increase linearly with the volume fraction of the fiber phase. (Author).
Download or read book NASA Technical Note written by and published by . This book was released on 1969 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Introduction to Magnesium Alloys by : John B. Hallowell
Download or read book An Introduction to Magnesium Alloys written by John B. Hallowell and published by . This book was released on 1964 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the characteristics and properties of existing commercial magnesium alloys and compares these relative to each other. Although this report is not intended to serve as a source of design data for magnesium alloys, it was written to provide a simple, up-to-date background of information for the technologist who is faced with the problem of materials selection and who is unfamiliar with the advantages and discaadvantages of magnesium alloys. The eight major alloying elements which are used to control the properties of magnesium are listed along with selected data illustrating the binary phase relationships which exist, between the hexagonal, close-packed structure of magnesium and each of these metals. The nomenclature system for commercial magnesium alloys is explained and compositions and available forms of the alloys are given. Property comparisons of both cast and wrought alloys are presented. There is a section in the report dealing with the joining, forming, and machining of magnesium, and a section devoted to a discussion of a number of finishing systems which have been developed for magnesium alloys. (Author).
Book Synopsis Second Status Report of the U. S. Government Metalworking Processes and Equipment Program by : F. C. Holden
Download or read book Second Status Report of the 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 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Current Methods of Fracture-toughness Testing of High-strength Alloys with Emphasis on Plane Strain by : J. E. Campbell
Download or read book Current Methods of Fracture-toughness Testing of High-strength Alloys with Emphasis on Plane Strain written by J. E. Campbell and published by . This book was released on 1964 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fracture-toughness testing using principles of fracture mechanics has developed to the point where it can be used as a basis for selection of materials, for estimating limiting design stresses assuming the presence of small flaws, and for analyzing failures. Current methods of measuring plane-stress and plane-strain fracturetoughness parameters are presented in this report. The specimens include center-cracked, edge-cracked, single-edge-cracked, surface-cracked, and notched round bars, which are subjected to tensile loading, and notched bars for bend tests. The different types of specimens permit evaluating sheet, plate, bar stock, and forgings as well as material from failed structures. Application of fracture-toughness parameters to design of high-strength structures is reviewed for both static and fatigue loading. Consideration of the fracture-mechanics concepts in design should lead to fewer problems with brittle fracture in high-strength structures. (Author).
Book Synopsis The Evaluation of High Temperature Materials by : John C. Wurst
Download or read book The Evaluation of High Temperature Materials written by John C. Wurst and published by . This book was released on 1964 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the evaluation of candidate materials systems for high temperature service and is presented in two separate parts: the first pertains to the development of laboratory tests for the evaluation of refractory alloy coatings; the second, to the arc-plasma-jet evaluation of ablative materials, impregnated porous ceramics, refractory composites, and sprayed ceramic coatings. Part I describes analytical and experimental approaches leading to the development of an orderly series of tests designed to characterize the oxidation behavior of refractory alloy coatings and to determine their influence upon the physical and mechanical properties of the base metal. Part II describes the screening of 78 different high temperature materials with an arc-plasma-jet testing facility. The systems evaluated fell into four general categories: ablative materials, impregnated porous ceramics, refractory composites, or sprayed ceramic coatings. Testing procedures were adjusted for each class of materials to emphasize particular performance characteristics. (Author).
Book Synopsis Explosive Forming of Metals by : D. E. Strohecker
Download or read book Explosive Forming of Metals written by D. E. Strohecker and published by . This book was released on 1964 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Welding and Brazing of Alloy 718 by : Robert Melvin Evans
Download or read book The Welding and Brazing of Alloy 718 written by Robert Melvin Evans and published by . This book was released on 1964 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of a special interest in Alloy 718, the Defense Metals Information Center has summarized information on the welding and brazing of the alloy. Two principal resons for the interest in this alloy are its good formability and its good weldability, expecially under restraint. The greater portion of the fusion welding of Alloy 718 has been done by the gas tungsten-arc (TIG) process. A discussion of welding atmosphere, filler metals, heat treatment of welds, welding under restraint, and weld toughness is presented in the section on fusion welding. Information is also presented on resistance welding and electron-beam welding of Alloy 718. The final section of this report deals with the brazing of Alloy 718.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1984 with total page 1278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of Aluminide-coated Ta-10W for Heat-shield Applications by : Gregory R. Wichorek
Download or read book Experimental Investigation of Aluminide-coated Ta-10W for Heat-shield Applications written by Gregory R. Wichorek and published by . This book was released on 1969 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminum coatings on tantalum tungsten alloys for heat shielding.
Book Synopsis U.S. Government Research and Development Reports Index by :
Download or read book U.S. Government Research and Development Reports Index written by and published by . This book was released on 1970 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:
