Environmental Effects On The Tensile Strength Of Chemically Vapor Deposited Silicon Carbide Fibers

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Environmental Effects on the Tensile Strength of Chemically Vapor Deposited Silicon Carbide Fibers

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781725632714
Total Pages : 34 pages
Book Rating : 4.6/5 (327 download)

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Book Synopsis Environmental Effects on the Tensile Strength of Chemically Vapor Deposited Silicon Carbide Fibers by : National Aeronautics and Space Administration (NASA)

Download or read book Environmental Effects on the Tensile Strength of Chemically Vapor Deposited Silicon Carbide Fibers written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-16 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The room temperature and elevated temperature tensile strengths of commercially available chemically vapor-deposited (CVD) silicon carbide fibers were measured after 15 min heat treatment to 1600 C in various environments. These environments included oxygen, air, argon and nitrogen at one atmosphere and vacuum at 10/9 atmosphere. Two types of fibers were examined which differed in the SiC content of their carbon-rich coatings. Threshold temperature for fiber strength degradation was observed to be dependent on the as-received fiber-flaw structure, on the environment and on the coating. Fractographic analyses and flexural strength measurements indicate that tensile strength losses were caused by surface degradation. Oxidation of the surface coating is suggested as one possible degradation mechanism. The SiC fibers containing the higher percentage of SiC near the surface of the carbon-rich coating show better strength retention and higher elevated temperature strength. Bhatt, R. T. and Kraitchman, M. D. Glenn Research Center NASA-TM-86981, E-2519, NAS 1.15:86981, USAAVSCOM-TR-85-C-4, AD-A157111 RTOP 533-05-12...

Environmental Effects on the Tensile Strength of Chemically Vapor Deposited Silicon Carbide Fibers

Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Environmental Effects on the Tensile Strength of Chemically Vapor Deposited Silicon Carbide Fibers by :

Download or read book Environmental Effects on the Tensile Strength of Chemically Vapor Deposited Silicon Carbide Fibers written by and published by . This book was released on 1985 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The room temperature and elevated temperature tensile strengths of commercially available chemically vapor-deposited silicon carbide fibers were measured after 15 min heat treatment to 1600 C in various environments. These environments included oxygen, air, argon and nitrogen at one atmosphere and vacuum at 10 to the minus 9th power atmosphere. Two types of fibers were examined which differed in the SiC content of their carbon-rich coatings. Threshold temperature for fiber strength degradation was observed to be dependent on the as-received fiber-flaw structure, on the environment and on the coating. Fractographic analyses and flexural strength measurements indicate that tensile strength losses were caused by surface degradation. Oxidation of the surface coating is suggested as one possible degradation mechanism. In general, the SiC fibers containing the higher percentage of SiC near the surface of the carbon rich coating showed better strength retention and higher elevated temperature strength. (Author).

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

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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 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalogue, United States Public Documents

Author :
Publisher :
ISBN 13 :
Total Pages : 1430 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Monthly Catalogue, United States Public Documents by :

Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1991 with total page 1430 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1434 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1991 with total page 1434 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index

Lightweight Ballistic Composites

Author : Ashok Bhatnagar
Publisher : Woodhead Publishing
ISBN 13 : 1845691555
Total Pages : 444 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Lightweight Ballistic Composites by : Ashok Bhatnagar

Download or read book Lightweight Ballistic Composites written by Ashok Bhatnagar and published by Woodhead Publishing. This book was released on 2006-06-30 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ballistic composites need to be lightweight and durable as well as exhibiting high impact resistance and damage tolerance. This important book reviews these requirements, how the materials used for ballistic composites meet them and their range of applications.After an introductory chapter, Lightweight ballistic composites is split into two main sections. The first part of the book explores material requirements and testing. There are chapters on bullets and bullet fragments, material responses to ballistic impact, standards and specifications, modelling and test methods. Part Two reviews the range of materials used, production methods and applications. Topics discussed include high-performance ballistic fibres and ceramics, non-woven ballistic and prepreg composites, and their uses in body armour, vehicle and aircraft protection.This major book is the first of its kind to give a comprehensive review of the current use of lightweight ballistic composites in both military and law-enforcement applications. It is an invaluable reference for all those involved in personnel and vehicle protection in defence and police forces around the world. - Reviews the current use of lightweight ballistic composites in both military and law-enforcement application - An authoritative overview of the range of materials used, production methods and applications - Explores material requirements and testing

NASA Technical Memorandum

Author :
Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Technical Memorandum by :

Download or read book NASA Technical Memorandum written by and published by . This book was released on 1994 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Textile Fibre Structure

Author : Stephen Eichhorn
Publisher : Elsevier
ISBN 13 : 1845697316
Total Pages : 537 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Handbook of Textile Fibre Structure by : Stephen Eichhorn

Download or read book Handbook of Textile Fibre Structure written by Stephen Eichhorn and published by Elsevier. This book was released on 2009-10-26 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to their complexity and diversity, understanding the structure of textile fibres is of key importance. This authoritative two-volume collection provides a comprehensive review of the structure of an extensive range of textile fibres.Volume 2 begins by reviewing natural fibres such as cellulosic, cotton, protein, wool and silk fibres. Part two considers regenerated cellulosic, protein, alginate, chitin and chitosan fibres. The final part of the book discusses inorganic fibres such as glass, carbon and ceramic fibres as well as specialist fibres such as thermally and chemically-resistant fibres, optical and hollow fibres. Chapters review how fibre structure contributes to key mechanical properties. A companion volume reviews the structure of manufactured polymer fibres.Edited by leading authorities on the subject and with a team of international authors, the two volumes of the Handbook of textile fibre structure is an essential reference for textile technologists, fibre scientists, textile engineers and those in academia. - Discusses how fibre structure contributes to key mechanical properties - Reviews natural fibres such as cellulosic, cotton and silk fibres and considers various regenerated fibres - Examines inorganic fibres including glass and carbon as well as specialist fibres such as chemically-resistant and optical fibres

Corrosion Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 722 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Corrosion Abstracts by :

Download or read book Corrosion Abstracts written by and published by . This book was released on 1986 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fracture Mechanics of Ceramics

Author : R.C. Bradt
Publisher : Springer Science & Business Media
ISBN 13 : 1461533481
Total Pages : 645 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Fracture Mechanics of Ceramics by : R.C. Bradt

Download or read book Fracture Mechanics of Ceramics written by R.C. Bradt and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: These volumes, 9 and 10, of Fracture Mechanics of Ceramics constitute the proceedings of an international symposium on the fracture mechanics of ceramic materials held at the Japan Fine Ceramics Center, Nagoya, Japan on July 15, 16, 17, 1991. These proceedings constitute the fifth pair of volumes of a continuing series of conferences. Volumes 1 and 2 were from the 1973 symposium, volumes 3 and 4 from a 1977 symposium, and volumes 5 and 6 from a 1981 symposium all of which were held at The Pennsylvania State University. Volumes 7 and 8 are from the 1985 symposium which was held at the Virginia Polytechnic Institute and State University. The theme ofthis conference, as for the previous four, focused on the mechanical behavior ofceramic materials in terms of the characteristics ofcracks, particularly the roles which they assume in the fracture processes and mechanisms. The 82 contributed papers by over 150 authors and co-authors represent the current state of that field. They address many of the theoretical and practical problems ofinterest to those scientists and engineers concerned with brittle fracture.

Government Reports Annual Index

Author :
Publisher :
ISBN 13 :
Total Pages : 966 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.

15th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2, Volume 12, Issue 9/10

Author : John B. Wachtman
Publisher : John Wiley & Sons
ISBN 13 : 047031589X
Total Pages : 668 pages
Book Rating : 4.4/5 (73 download)

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Book Synopsis 15th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2, Volume 12, Issue 9/10 by : John B. Wachtman

Download or read book 15th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2, Volume 12, Issue 9/10 written by John B. Wachtman and published by John Wiley & Sons. This book was released on 2009-09-28 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is part of the Ceramic Engineering and Science Proceeding (CESP) series. This series contains a collection of papers dealing with issues in both traditional ceramics (i.e., glass, whitewares, refractories, and porcelain enamel) and advanced ceramics. Topics covered in the area of advanced ceramic include bioceramics, nanomaterials, composites, solid oxide fuel cells, mechanical properties and structural design, advanced ceramic coatings, ceramic armor, porous ceramics, and more.

Advances in Ceramic-matrix Composites

Author :
Publisher :
ISBN 13 :
Total Pages : 1080 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Advances in Ceramic-matrix Composites by :

Download or read book Advances in Ceramic-matrix Composites written by and published by . This book was released on 1994 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mechanical, Thermal, and Environmental Testing and Performance of Ceramic Composites and Components

Author : Stephen T. Gonczy
Publisher : ASTM International
ISBN 13 : 080312872X
Total Pages : 330 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Mechanical, Thermal, and Environmental Testing and Performance of Ceramic Composites and Components by : Stephen T. Gonczy

Download or read book Mechanical, Thermal, and Environmental Testing and Performance of Ceramic Composites and Components written by Stephen T. Gonczy and published by ASTM International. This book was released on 2000 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Composite Materials

Author : Steven J. Hooper
Publisher : ASTM International
ISBN 13 : 0803124783
Total Pages : 286 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Composite Materials by : Steven J. Hooper

Download or read book Composite Materials written by Steven J. Hooper and published by ASTM International. This book was released on 1997 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

High Temperature Mechanical Behavior of Ceramic-Matrix Composites

Author : Longbiao Li
Publisher : John Wiley & Sons
ISBN 13 : 3527349030
Total Pages : 386 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis High Temperature Mechanical Behavior of Ceramic-Matrix Composites by : Longbiao Li

Download or read book High Temperature Mechanical Behavior of Ceramic-Matrix Composites written by Longbiao Li and published by John Wiley & Sons. This book was released on 2021-07-06 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Temperature Mechanical Behavior of Ceramic-Matrix Composites Covers the latest research on the high-temperature mechanical behavior of ceramic-matrix composites Due to their high temperature resistance, strength and rigidity, relatively light weight, and corrosion resistance, ceramic-matrix composites (CMCs) are widely used across the aerospace and energy industries. As these advanced composites of ceramics and various fibers become increasingly important in the development of new materials, understanding the high-temperature mechanical behavior and failure mechanisms of CMCs is essential to ensure the reliability and safety of practical applications. High Temperature Mechanical Behavior of Ceramic-Matrix Composites examines the behavior of CMCs at elevated temperature—outlining the latest developments in the field and presenting the results of recent research on different CMC characteristics, material properties, damage states, and temperatures. This up-to-date resource investigates the high-temperature behavior of CMCs in relation to first matrix cracking, matrix multiple cracking, tensile damage and fracture, fatigue hysteresis loops, stress-rupture, vibration damping, and more. This authoritative volume: Details the relationships between various high-temperature conditions and experiment results Features an introduction to the tensile, vibration, fatigue, and stress-rupture behavior of CMCs at elevated temperatures Investigates temperature- and time-dependent cracking stress, deformation, damage, and fracture of fiber-reinforced CMCs Includes full references and internet links to source material Written by a leading international researcher in the field, High Temperature Mechanical Behavior of Ceramic-Matrix Composites is an invaluable resource for materials scientists, surface chemists, organic chemists, aerospace engineers, and other professionals working with CMCs.

Ceramic Matrix Composites

Author : Narottam P. Bansal
Publisher : John Wiley & Sons
ISBN 13 : 1118231163
Total Pages : 725 pages
Book Rating : 4.1/5 (182 download)

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Book Synopsis Ceramic Matrix Composites by : Narottam P. Bansal

Download or read book Ceramic Matrix Composites written by Narottam P. Bansal and published by John Wiley & Sons. This book was released on 2014-11-24 with total page 725 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive source of information on various aspects of ceramic matrix composites (CMC). It covers ceramic and carbon fibers; the fiber-matrix interface; processing, properties and industrial applications of various CMC systems; architecture, mechanical behavior at room and elevated temperatures, environmental effects and protective coatings, foreign object damage, modeling, life prediction, integration and joining. Each chapter in the book is written by specialists and internationally renowned researchers in the field. This book will provide state-of-the-art information on different aspects of CMCs. The book will be directed to researchers working in industry, academia, and national laboratories with interest and professional competence on CMCs. The book will also be useful to senior year and graduate students pursuing degrees in ceramic science and engineering, materials science and engineering, aeronautical, mechanical, and civil or aerospace engineering. Presents recent advances, new approaches and discusses new issues in the field, such as foreign object damage, life predictions, multiscale modeling based on probabilistic approaches, etc. Caters to the increasing interest in the application of ceramic matrix composites (CMC) materials in areas as diverse as aerospace, transport, energy, nuclear, and environment. CMCs are considered ans enabling technology for advanced aeropropulsion, space propulsion, space power, aerospace vehicles, space structures, as well as nuclear and chemical industries. Offers detailed descriptions of ceramic and carbon fibers; fiber-matrix interface; processing, properties and industrial applications of various CMC systems; architecture, mechanical behavior at room and elevated temperatures, environmental effects and protective coatings, foreign object damage, modeling, life prediction, integration/joining.