Author: P. R. Abelkis
Publisher: ASTM International
ISBN:
Category :
Languages : en
Pages : 291

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Author: J.W. Provan
Publisher: Springer Science & Business Media
ISBN: 9401727643
Category : Science
Languages : en
Pages : 477

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With the advent of the 80's there has been an increasing need for analytic and numerical techniques, based on a thorough understanding of microstructural processes, that express in a manner suitable for practicing engineers the reliability of components and structures that are being subjected to degradation situations. Such situations fall within the framework offracture mechanics, fatigue, corrosion fatigue and pitting corrosion. Luckily, such techniques are now being developed and it was felt timely to combine in one volume reports by the leaders in this field who are currently making great strides towards solving these problems. Hence the idea of this monograph was born and I am pleased to be associated both with it and the contributors whose chapters are included in this volume. A very large part of the credit for this monograph must go to the authors who have taken time out from their busy schedules to prepare their submissions. They have all worked diligently over the last few months in order to get their manuscripts to me on time and I sincerely thank them for their help throughout the preparation of this volume.

Author: Thomas A. Cruse
Publisher: ASTM International
ISBN:
Category : Fracture mechanics
Languages : en
Pages : 796

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Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 960

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Author: P.R. Abelkis
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: C. L. Guadagnino
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 250

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The objective of this program was to study and evaluate the concept of using a damage accumulation monitoring system based on microprocessor technology for individual aircraft tracking (IAT) needed to satisfy the Force Management requirements of MIL-STD-1503A. The two major components of this study were: (1) the evaluation of selected output and input IAT parameters required to monitor the potential crack growth of each of two major classes of aircraft (Bomber/Transport and Fighter/Attack/Trainer aircraft), and (2) the definition of the microprocessor-based IAT system in terms of capabilities and requirements. A number of existing and planned IAT programs which were considered as typical for the two major classes of aircraft were studied to determine problem areas, to evolve advanced concepts, and to evaluate the output/input parametric requirements and the functional characteristics needed to satisfy IAT system goals. Several conceptual microprocessor based IAT systems and one existing microprocessor based IAT system capable of satisfying the requisite functional requirements were developed, studied, and described. In addition, the study was extended to examine the capability of microprocessor based IAT systems to satisfy in part or wholly, the load and environment spectra survey (L/ESS) functions. Several system concepts were developed and described.

Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 238

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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 556

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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 712

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A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)

Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 980

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