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Author: Glenn C. Grimes
Publisher: ASTM International
ISBN: 0803114265
Category : Composite materials
Languages : en
Pages : 465
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Book Description
Annotation In papers presented at the Tenth ASTM Conference on Composite Materials, held in San Francisco, April 1990, important composite materials technical issues are discussed in eight sections: compression test methodology analysis and development; general test methodology analysis and development; material mechanical properties and failure criteria; advanced materials analysis and test; analysis, test, and certification of structure; quality assurance and process control; interlaminar fracture analysis and test; and damage, flows, and repair. Member price, $95. Annotation copyrighted by Book News, Inc., Portland, OR.
Author: Glenn C. Grimes
Publisher: ASTM International
ISBN: 0803114265
Category : Composite materials
Languages : en
Pages : 465
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Book Description
Annotation In papers presented at the Tenth ASTM Conference on Composite Materials, held in San Francisco, April 1990, important composite materials technical issues are discussed in eight sections: compression test methodology analysis and development; general test methodology analysis and development; material mechanical properties and failure criteria; advanced materials analysis and test; analysis, test, and certification of structure; quality assurance and process control; interlaminar fracture analysis and test; and damage, flows, and repair. Member price, $95. Annotation copyrighted by Book News, Inc., Portland, OR.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 46
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722461010
Category :
Languages : en
Pages : 44
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Book Description
The performance is studied of a stitched uniweave fabric composite and that of a toughened tape composite. The effects of stitching on compression fatigue life are addressed. Post impact compression fatigue and open hole fatigue tests were run on an AS4/3501-6 uniweave with stitching and a toughened IM7/8551-7 tape without stitching. Stitching was found to increase the thickness and consequently the weight of the composite material. The two materials were compared on an equal carbon content basis as well as on an equal weight basis. The excess thickness in the stitched uniweave composite was responsible for the lower fatigue life, on an equal carbon basis, compared to the toughened resin tape composite. Comparison of fatigue lives on an equal carbon content basis indicated that puncture or crimp type damage from stitching has very little effect on compression failure. Post impact fatigue test showed that although the damage area in the stitched uniweave composite was twice that of the toughened tape composite, the fatigue lives of the stitched composite were significantly longer than those of the toughened composite. Thus, it appears that the increase in thickness from stitching is much more of a penalty than crimped fibers or puncture type damage from stitching. Portanova, M. A. and Poe, C. C., Jr. and Whitcomb, John D. Langley Research Center RTOP 505-63-01-05...
Author: Murray L. Scott
Publisher: Woodhead Publishing
ISBN: 9781855733558
Category : Technology & Engineering
Languages : en
Pages : 976
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Category : Aeronautics
Languages : en
Pages : 542
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Author: Erian A. Armanios
Publisher: ASTM International
ISBN: 0803124112
Category : Composite materials
Languages : en
Pages : 570
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Book Description
Author: K.S. Ravichandran
Publisher: Elsevier
ISBN: 0080569706
Category : Technology & Engineering
Languages : en
Pages : 511
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Book Description
This book contains the fully peer-reviewed papers presented at the Third Engineering Foundation Conference on Small Fatigue Cracks, held under the chairmanship of K.S. Ravichandran and Y. Murakami during December 6-11, 1998, at the Turtle Bay Hilton, Oahu, Hawaii. This book presents a state-of-the-art description of the mechanics, mechanisms and applications of small fatigue cracks by most of the world's leading experts in this field. Topics ranging from the mechanisms of crack initiation, small crack behavior in metallic, intermetallic, ceramic and composite materials, experimental measurement, mechanistic and theoretical models, to the role of small cracks in fretting fatigue and the application of small crack results to the aging aircraft and high-cycle fatigue problems, are covered.
Author: Jang-Kyo Kim
Publisher: Elsevier
ISBN: 0080530974
Category : Technology & Engineering
Languages : en
Pages : 416
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Book Description
The study and application of composite materials are a truly interdisciplinary endeavour that has been enriched by contributions from chemistry, physics, materials science, mechanics and manufacturing engineering. The understanding of the interface (or interphase) in composites is the central point of this interdisciplinary effort. From the early development of composite materials of various nature, the optimization of the interface has been of major importance. While there are many reference books available on composite materials, few of them deal specifically with the science and mechanics of the interface of fiber reinforced composites. Further, many recent advances devoted solely to research in composite interfaces have been scattered in a variety of published literature and have yet to be assembled in a readily accessible form. To this end this book is an attempt to bring together recent developments in the field, both from the materials science and mechanics perspective, in a single convenient volume.The central theme of the book is tailoring the interface properties to optimise the mechanical peformance and structural integrity of composites with enhanced strength/stiffness and fracture toughness (or specific fracture resistance). It deals mainly with interfaces in advanced composites made from high performance fibers, such as glass, carbon, aramid, ultra high modulus polyethylene and some inorganic (e.g. B/W, A12O3, SiC) fibers, and matrix materials encompassing polymers, metals/alloys and ceramics. The book is intended to provide a comprehensive treatment of composite interfaces in such a way that it should be of interest to materials scientists, technologists and practising engineers, as well as graduate students and their supervisors in advanced composites. We hope that this book will also serve as a valuable source of reference to all those involved in the design and research of composite interfaces.The book contains eight chapters of discussions on microstructure-property relationships with underlying fundamental mechanics principles. In Chapter 1, an introduction is given to the nature and definition of interfaces in fiber reinforced composites. Chapter 2 is devoted to the mechanisms of adhesion which are specific to each fiber-matrix system, and the physio-chemical characterization of the interface with regard to the origin of adhesion. The experimental techniques that have been developed to assess the fiber-matrix interface bond quality on a microscopic scale are presented in Chapter 3, along with the techniques of measuring interlaminar/intralaminar strengths and fracture toughness using bulk composite laminates. The applicability and limitations associated with loading geometry and interpretation of test data are compared. Chapter 4 presents comprehensive theoretical analyses based on shear-lag models of the single fiber composite tests, with particular interest being placed on the interface debond process and the nature of the fiber-matrix interfacial bonding. Chapter 5 is devoted to reviewing current techniques of fiber surface treatments which have been devised to improve the bond strength and the fiber-matrix compatibility/stability during the manufacturing processes of composites. The micro-failure mechanisms and their associated theories of fracture toughness of composites are discussed in Chapter 6. The roles of the interface and its effects on the mechanical performance of fiber composites are addressed from several viewpoints. Recent research efforts to augment the transverse and interlaminar fracture toughness by means of controlled interfaces are presented in Chapters 7 and 8.
Author: Mohammad Jawaid
Publisher: Woodhead Publishing
ISBN: 0081023006
Category : Technology & Engineering
Languages : en
Pages : 480
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Book Description
Mechanical and Physical Testing of Biocomposites, Fibre-Reinforced Composites and Hybrid Composites covers key aspects of fracture and failure in natural/synthetic fiber reinforced polymer based composite materials, ranging from crack propagation, to crack growth, and from notch-size effect, to damage-tolerant design. Topics of interest include mechanical properties, such as tensile, flexural, compression, shear, impact, fracture toughness, low and high velocity impact, and anti-ballistic properties of natural fiber, synthetic fibers and hybrid composites materials. It also covers physical properties, such as density, water absorption, thickness swelling, and void content of composite materials fabricated from natural or synthetic materials. Written by leading experts in the field, and covering composite materials developed from different natural fibers and their hybridization with synthetic fibers, the book's chapters provide cutting-edge, up-to-date research on the characterization, analysis and modelling of composite materials. - Contains contributions from leading experts in the field - Discusses recent progress on failure analysis, SHM, durability, life prediction and the modelling of damage in natural fiber-based composite materials - Covers experimental, analytical and numerical analysis - Provides detailed and comprehensive information on mechanical properties, testing methods and modelling techniques
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 54
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