The Nondestructive Evaluation of Thin, Metal-coating Bonds PDF Download
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Author: Edward Webster Russell
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
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Author: Edward Webster Russell
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
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Author: Gilbert B. Chapman II
Publisher: Author House
ISBN: 149692553X
Category : Technology & Engineering
Languages : en
Pages : 229
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Book Description
Demands for improvements in aerospace and automotive energy-efficiency, performance, corrosion resistance, body stiffness and style have increased the use of adhesive bonds to help meet those demands, by providing joining technology that accommodates a wider variety of materials and design options. However, the history of adhesive bond performance clearly indicates the need for a robust method of assuring the existence of the required consistent level of adhesive bond integrity in every bonded region. The Quality Assurance of Adhesive Bonds by Ultrasonic Nondestructive Testing technology put forth in this book meets that need by describing two new, complementary ultrasonic techniques for the evaluation of these bonds, and thus provide improvements over previous methods. The development of a 20 MHz pulse-echo method for nondestructive evaluation of adhesive bonds will accomplish the assessment of bond joints with adhesive as thin as 0.1 mm. This new method advances the state of the art by providing a high-resolution, phase-sensitive procedure that identifies the bond state at each interface of the adhesive with the substrate(s), by the acquisition and analysis of acoustic echoes reflected from interfaces between layers with large acoustic impedance mismatch. Because interface echo amplitudes are marginal when the acoustic impedance of the substrate is close to that of the adhesive, a 25 kHz Lamb wave technique was developed to be employed in such cases, albeit with reduced resolution. Modeling the ultrasonic echoes and Lamb-wave signals was accomplished using mathematical expressions developed from the physics of acoustic transmission, attenuation and reflection in layered media. The models were validated by experimental results from a variety of bond joint materials, geometries and conditions, thereby confirming the validity of the methodology used for extracting interpretations from the phase-sensitive indications, as well as identifying the range and limits of applications. Results from the application of both methodologies to laboratory specimens and to samples from production operations are reported herein, and show that bond-joint integrity can be evaluated effectively over the range of materials and geometries addressed.
Author: Donald O. Thompson
Publisher: Springer Science & Business Media
ISBN: 1461318939
Category : Technology & Engineering
Languages : en
Pages : 1790
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Book Description
This volume (Parts A and B) contains the edited papers presented at the annual Review of Progress in Quan?itative Nondestructive Evalua tion held at the University of California (San Diego) in LaJo11a, August 3-8, 1986. The Review was organized and sponsored by the Center for NDE at Iowa State University and the Ames Laboratory, in cooperation with the Office of Basic Energy Sciences, USDOE, and the Materia1s Laboratory at Wright-Patterson Air Force Base. Approximately 400 attendees, a new record, representing various government agencies, industry, and universities participated in the technical presentations, poster sessions, and discussions. This Review, with its wide-ranging interchange of technical information, stands as one of the most compre hensive in the field of NDE research and engineering. In order to present the reader with a more usefu1 document, we have organized the symposium papers in these Proceedings by subject rather than by the order of presentation at the Review. Topical subject headings have been selected under which the 1arge majority of papers wou1d reasonably falI. Here, again, we have revised the format used in former years to accommodate an evolving focus of interest in the field. These categories cover a broad spectrum of research in NDE and encompass activities from fundamental work to early engineering applications. In the following paragraphs we offer a brief summary of the research presented in these Proceedings.
Author: Don E. Bray
Publisher: CRC Press
ISBN: 1351989510
Category : Technology & Engineering
Languages : en
Pages : 618
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Book Description
Nondestructive evaluation (NDE) inspection schemes are important in design, manufacturing, and maintenance. By correctly applying techniques of NDE, we can reduce machine and system failures and increase reliability of operating systems over an extended lifetime. Nondestructive Evaluation: A Tool in Design, Manufacturing, and Service introduces and discusses primary techniques used in the field, including ultrasonics, acoustic emission, magnetics, radiography, penetrants, and eddy currents. Examples of each of these techniques are included, demonstrating typical applications.
Author: ACerS (American Ceramics Society, The)
Publisher: John Wiley & Sons
ISBN: 9780470526248
Category : Technology & Engineering
Languages : en
Pages : 628
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Book Description
This edition of the Progress in Ceramic Technology series compiles articles published on thermal barrier coatings (TBCs) by The American Ceramic Society (ACerS). It collects in one resource the current research papers on materials-related aspects of thermal barrier coatings and associated technologies. Logically organized and carefully selected, the papers in this edition divide into six categories: Applications Material Improvements and Novel Compositions Developments in Processing Mechanical Properties Thermal Properties Citations follow each title in the table of contents, making this a key resource for professionals and academia.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1292
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 912
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Author: Dileep Singh
Publisher: John Wiley & Sons
ISBN: 1118530357
Category : Technology & Engineering
Languages : en
Pages : 342
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Book Description
This collection of 33 papers deals with mechanical behaviors associated with systems ranging from diamond reinforced silicon carbide to rare earth pyrosilicates. Presented at The Mechanical Behavior and Performance of Ceramics & Composites Symposium in January 2012 during the 36th International Conference on Advanced Ceramics and Composites (ICACC), it offers researchers from around the world the opportunity to explore new and emerging issues in all aspects of the field.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 488
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
Publisher: EduGorilla Community Pvt. Ltd.
ISBN: 9368175012
Category :
Languages : en
Pages : 287
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