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Metallurgical And Geometrical Factors Affecting Elevated Temperature Tensile Properties Of Discontinuous Fiber Composites
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Book Synopsis Metallurgical and Geometrical Factors Affecting Elevated-temperature Tensile Properties of Discontinuous-fiber Composites by : Donald W. Petrasek
Download or read book Metallurgical and Geometrical Factors Affecting Elevated-temperature Tensile Properties of Discontinuous-fiber Composites written by Donald W. Petrasek and published by . This book was released on 1967 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metallurgical and Geometrical Factors Affecting Elevated-temperature Tensile Properties of Discontinuous-fiber Composites by : Donald W. Petrasek
Download or read book Metallurgical and Geometrical Factors Affecting Elevated-temperature Tensile Properties of Discontinuous-fiber Composites written by Donald W. Petrasek and published by . This book was released on 1967 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metallurgical and Geometrical Factors Affecting Elevated Temperature Tensile Properties of Discontinuous Tungsten Fiber Reinforced Composites by : D. W. Petrasek
Download or read book Metallurgical and Geometrical Factors Affecting Elevated Temperature Tensile Properties of Discontinuous Tungsten Fiber Reinforced Composites written by D. W. Petrasek and published by . This book was released on 1967 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: The length to diameter ratio and orientation of the fibers in discontinuous fiber reinforced composites was correlated to their elevated temperature tensile properties. Composites were made of copper and copper - 2 per cent chromium alloy reinforced with tungsten fibers having various length to diameter ratios. The composites were tested in tension at 300, 900, and 1500 F. These results were then compared with continuous length fiber reinforced composites containing the same matrix materials and fiber contents. The fiber orientation in the composite was found to be extremely critical at elevated temperatures. Shear failures occurred for specimens tested at 1500 F in which the fibers were misaligned from the tensile axis by as small as 3 deg. Composites which failed in shear had significantly lower tensile strengths than did composites having fibers aligned parallel to the tensile axis of the specimen. Tensile strengths of discontinuous fiber reinforced composites in which the fibers were aligned parallel to the tensile axis were dependent upon the length to diameter ratio of the fibers in the composite. As the length to diameter ratio of the reinforcing fibers decreased, the tensile strengths of the composites decreased. Alloying the copper matrix with chromium increased the matrix shear strength which was beneficial even though the alloying element reacted with the fiber. Load transfer from the matrix to the fiber was dependent upon the shear strength of the matrix. The greater the shear strength, the higher the load transfer capabilities of the matrix. The tensile strength of copper - 2 per cent chromium matrix composites thus was higher than unalloyed copper matrix composites having the same fiber content and the same length to diameter ratio fibers.
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967-04 with total page 1078 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 1967 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1968 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1967 with total page 1582 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 1968 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metal Matrix Composites by : C.T. Lynch
Download or read book Metal Matrix Composites written by C.T. Lynch and published by CRC Press. This book was released on 2018-01-18 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of reinforcing a material by the use of a fiber is not a new one. The Egyptian brick layer employed the same principle more than three thousand years ago when straw was incorporated into the bricks. More recent examples of fiber reinforced composites are steel-reinforced concrete, nylon and rayon cord reinforced tires, and fiberglass reinforced plastics. In the last several years considerable progress has been made on new composite structures particularly utilizing boron (on tungsten substrate) fibers in various matrices. Many of these advances have been reviewed recently by P. M. Sinclair1 and by Alexander, Shaver, and Withers.2 An excellent earlier survey is available by Rauch Sutton, and McCreight.3 Boron-reinforced epoxy composites are being fabricated and tested as jet engine components, fuselage components, and even as a complete aircraft wing because of the tremendous gain in experimentally demonstrated properties such as modulus, strength, and fatigue resistance, particularly on a weight normalized (e.g., strength/density) basis. Other than glass/epoxy and boron/ epoxy composites and perhaps boron/aluminum, the systems now under study are in the early stages of research and development. These include other boron/metal composites, graphite/polymer, graphite/metal, graphite/graphite, alumina/metal, and aligned eutectic (directionally, solidified) combinations. As Sinclair points out, designers are wary about filamentary composites becausethere is little background information and scant experience.
Book Synopsis Fiber-strengthened Metallic Composites by :
Download or read book Fiber-strengthened Metallic Composites written by and published by . This book was released on 1967 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :448 pages Book Rating :4.F/5 ( download)
Book Synopsis NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1968 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :436 pages Book Rating :4.E/5 ( download)
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Download or read book A Selected Listing of NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1968 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ASTM Special Technical Publication by :
Download or read book ASTM Special Technical Publication written by and published by . This book was released on 1967 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Powder Metallurgy in Aerospace Research by : H. W. Blakeslee
Download or read book Powder Metallurgy in Aerospace Research written by H. W. Blakeslee and published by . This book was released on 1971 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In this document, one of a series dealing with specialized processes, the methodology and results of powder metallurgy are described so potential users can evaluate their worth in non-aerospace applications. This report discusses the various techniques by which powders can be produced, as pure metals or as alloys; it explains the methods by which these powders can be formed into the final parts, and further processing that may be necessary to meet the specific requirements spelled out by the user. The NASA developments are detailed, and references are provided for those who wish to obtain further information characteristic of any methodology. Compiled by experts associated with the Franklin Institute Research Laboratories, the document should be of value to manufacturing establishments, and to investigators in such areas as high strength, high temperature service, or the resistance of materials to cryogenic temperatures."--Foreword.
Download or read book NASA SP. written by and published by . This book was released on 1971 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Composite Materials written by and published by . This book was released on 1974 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
