The Development of Nondestructive Methods for the Quantitative Evaluation of Advanced Reinforced Plastic Composites PDF Download
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Author: A. W. Schultz
Publisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 176
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Book Description
This final report documents the completion of the fifth year of a continuing study concerned with the development of nondestructive testing techniques for quantitatively evaluating advance fiber- reinforced plastic composites. Five boron/ epoxy panels, one plain weave carbon/carbon panel, and a 3-D quartz/phenolic ssphere were nondestructively and destructively tested for mechanical properties behavior and physical properties characteristics. It was the purpose of this program to: (a) ESTABLISH PREDICTIVE CORRELATIONS BETWEEN ULTRASONICALLY-DETERMINED MODULUS VALUES AND DESTRUCTIVELY-MEASURED TENSILE, COMPRESSION, FLEXURE AND SHEAR MODULUS AND STRENGTH VALUES FOR THE 2-D composites; (b) relate 2- D and 3-D ultrasonic polar modulus values with apreviously-derived micro-mechanics- based theory for generating polar modulus values; (c) demonstrate the feasibility of applying a recently-conceived 6Interval Velocity Technique6 to reinfroced composites; (d) demonstrate the capability of a nondestructive, multiple-energy, gamma- ray radiometric technique for predicting mixture concentrations in boron/epoxy composites; and (e) investigate the use of width-and across-ply measurements of ultrasonic velocity for predicting the mechanical modes of failure occurring in composite test specimens. (Author, modified-PL).
Author: A. W. Schultz
Publisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 176
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Book Description
This final report documents the completion of the fifth year of a continuing study concerned with the development of nondestructive testing techniques for quantitatively evaluating advance fiber- reinforced plastic composites. Five boron/ epoxy panels, one plain weave carbon/carbon panel, and a 3-D quartz/phenolic ssphere were nondestructively and destructively tested for mechanical properties behavior and physical properties characteristics. It was the purpose of this program to: (a) ESTABLISH PREDICTIVE CORRELATIONS BETWEEN ULTRASONICALLY-DETERMINED MODULUS VALUES AND DESTRUCTIVELY-MEASURED TENSILE, COMPRESSION, FLEXURE AND SHEAR MODULUS AND STRENGTH VALUES FOR THE 2-D composites; (b) relate 2- D and 3-D ultrasonic polar modulus values with apreviously-derived micro-mechanics- based theory for generating polar modulus values; (c) demonstrate the feasibility of applying a recently-conceived 6Interval Velocity Technique6 to reinfroced composites; (d) demonstrate the capability of a nondestructive, multiple-energy, gamma- ray radiometric technique for predicting mixture concentrations in boron/epoxy composites; and (e) investigate the use of width-and across-ply measurements of ultrasonic velocity for predicting the mechanical modes of failure occurring in composite test specimens. (Author, modified-PL).
Author: A. W. Schultz
Publisher:
ISBN:
Category : Nondestructive testing
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 854
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 926
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Book Description
Author:
Publisher:
ISBN:
Category : Technology
Languages : en
Pages : 1290
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Book Description
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Book Description
Author:
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ISBN:
Category : Power resources
Languages : en
Pages : 754
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Book Description
Author: S.T. Peters
Publisher: Springer Science & Business Media
ISBN: 1461563895
Category : Technology & Engineering
Languages : en
Pages : 1135
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Book Description
Today, fiber reinforced composites are in use • properties of different component (fiber, in a variety of structures, ranging from space matrix, filler) materials; craft and aircraft to buildings and bridges. • manufacturing techniques; This wide use of composites has been facili • analysis and design; tated by the introduction of new materials, • testing; improvements in manufacturing processes • mechanically fastened and bonded joints; and developments of new analytical and test • repair; ing methods. Unfortunately, information on • damage tolerance; these topics is scattered in journal articles, in • environmental effects; conference and symposium proceedings, in and disposal; • health, safety, reuse, workshop notes, and in government and com • applications in: pany reports. This proliferation of the source - aircraft and spacecraft; material, coupled with the fact that some of - land transportation; the relevant publications are hard to find or - marine environments; are restricted, makes it difficult to identify and - biotechnology; obtain the up-to-date knowledge needed to - construction and infrastructure; utilize composites to their full advantage. - sporting goods. This book intends to overcome these diffi Each chapter, written by a recognized expert, culties by presenting, in a single volume, is self-contained, and contains many of the many of the recent advances in the field of 'state-of-the-art' techniques reqUired for prac composite materials. The main focus of this tical applications of composites.
Author: Rani Elhajjar
Publisher: John Wiley & Sons
ISBN: 1118997727
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
Presents the latest strategies in the development and use of composite materials for large structures and the effects of defects Practical Design and Validation of Composites Structures: Effects of Defects offers an important guide to the use of fiber-reinforced composites and how they affect the durability and safety of engineering structures such as aircraft, ships, bridges, wind turbines as well as sporting equipment. The text draws on the authors’ direct experience in industry and academia to cover the most recent strategies in the development of composite structures and uniquely integrates the assessment of the effects of defects introduced during production. This comprehensive resource builds on an essential introduction to the characteristics of composites and the most common types of defects encountered in production. The authors review the recent manufacturing methods and technologies used for inspecting composite structures and the design issues related to an analysis of their failure and strength incorporating the variability of processing. The text also contains information on the latest regulatory requirements and the relevant standards associated with the testing and design within a robust design philosophy and approach. This important resource: Offers a comprehensive review of the most current regulatory developments in the use of composites for the construction of complex composite structures Presents information on the basic characteristics of composites Includes testing strategies for determining the impacts of production defects Reviews the most current manufacturing methods and inspection technologies in the field Contains methods for statistical analysis and processing of experimental effects of defects test data Written for professional engineers in mechanical engineering, automotive engineering, aerospace engineering, civil engineering, and energy engineering as well as industry and academic researchers, Practical Design and Validation of Composites Structures: Effects of Defects is the hands-on text that covers the essential information needed to understand the use of composites and how they affect complex engineering projects using composites.
Author: Bryan Harris
Publisher: Elsevier
ISBN: 1855738570
Category : Technology & Engineering
Languages : en
Pages : 765
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Book Description
This major handbook is the first authoritative survey of current knowledge of fatigue behaviour of composites. It deals in detail with a wide range of problems met by designers in the automotive, marine and structural engineering industries. Compiled from the contributions of some of the best-known researchers in the field, it provides an invaluable, practical and encyclopaedic handbook covering recent developments. - Comprehensively discusses the problems of fatigue in composites met by designers in the aerospace, marine and structural engineering industries - Provides a general introduction on fatigue in composites before reviewing current research on micromechanical aspects - Analyses various types of composites with respect to fatigue behaviour and testing and provides in-depth coverage of life-prediction models for constant variable stresses
