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Languages : en
Pages : 0
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The Service Life Prediction Technology Program is part of the Integrated High Payoff Rocket Propulsion Technology (IHPRPT) program under the area of Strategic Sustainment. The overall goal of IHPRPT is to double the state-of-the-art national rocket propulsion capability by the year 2010. The primary objectives of the Service Life Prediction Technology program are to reduce the uncertainty in predicted stresses and strains, to reduce material failure characterization uncertainties, and to reduce aging model uncertainties. Emphasis of the program will be to: (1) investigate and implement nonlinear constitutive laws (including laboratory characterization methods); (2) to characterize and model chemical migration and reactions in aging propellants and bondlines; and (3) to investigate and establish nondestructive methods which can be used to characterize the in-situ propellant properties and property variations in solid propellant rocket motors.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The Service Life Prediction Technology Program is part of the Integrated High Payoff Rocket Propulsion Technology (IHPRPT) program under the area of Strategic Sustainment. The overall goal of IHPRPT is to double the state-of-the-art national rocket propulsion capability by the year 2010. The primary objectives of the Service Life Prediction Technology program are to reduce the uncertainty in predicted stresses and strains, to reduce material failure characterization uncertainties, and to reduce aging model uncertainties. Emphasis of the program will be to: (1) investigate and implement nonlinear constitutive laws (including laboratory characterization methods); (2) to characterize and model chemical migration and reactions in aging propellants and bondlines; and (3) to investigate and establish nondestructive methods which can be used to characterize the in-situ propellant properties and property variations in solid propellant rocket motors.
Author: Diego Galar
Publisher: CRC Press
ISBN: 1000518264
Category : Technology & Engineering
Languages : en
Pages : 491
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Book Description
Maintenance combines various methods, tools, and techniques in a bid to reduce maintenance costs while increasing the reliability, availability, and security of equipment. Condition-based maintenance (CBM) is one such method, and prognostics forms a key element of a CBM program based on mathematical models for predicting remaining useful life (RUL). Prognostics and Remaining Useful Life (RUL) Estimation: Predicting with Confidence compares the techniques and models used to estimate the RUL of different assets, including a review of the relevant literature on prognostic techniques and their use in the industrial field. This book describes different approaches and prognosis methods for different assets backed up by appropriate case studies. FEATURES Presents a compendium of RUL estimation methods and technologies used in predictive maintenance Describes different approaches and prognosis methods for different assets Includes a comprehensive compilation of methods from model-based and data-driven to hybrid Discusses the benchmarking of RUL estimation methods according to accuracy and uncertainty, depending on the target application, the type of asset, and the forecast performance expected Contains a toolset of methods and a way of deployment aimed at a versatile audience This book is aimed at professionals, senior undergraduates, and graduate students in all interdisciplinary engineering streams that focus on prognosis and maintenance.
Author: Christopher White
Publisher: William Andrew
ISBN: 0128183683
Category : Technology & Engineering
Languages : en
Pages : 346
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Book Description
Service Life Prediction of Polymers and Coatings: Enhanced Methods focuses on the cutting-edge science behind how plastic and polymer materials are modified by the effects of weathering, offering the latest advances in service life prediction methods. The chapters have been developed by experts based on their contributions as part of the 7th Service Life Prediction Meeting. The volume begins with the premise that it is possible to produce and design life predictions, also looking at how these predictions can be used. Subsequent chapters present new developments in service life prediction, examining the most important considerations in SLP design, timescales, and other major issues. The book also considers the current state of the field in terms of both accomplishments and areas that require significant research going forward. This is a highly valuable reference for engineers, designers, technicians, scientists and R&D professionals who are looking to develop materials, components or products for outdoor applications across a range of industries. The book also supports academic researchers, scientists and advanced students with an interest in service life, the effects of weathering, material degradation, failure analysis, or sustainability across the fields of plastics engineering, polymer science and materials science. - Presents novel prediction techniques for plastics and polymers exposed to outdoor weathering - Provides a consensus roadmap on the scientific barriers related to a validated, predictive model for the response of polymer and plastics to outdoor exposure - Enables the reader to assess and compare different methods and approaches to service life prediction
Author: Christopher White
Publisher: William Andrew
ISBN: 0323497772
Category : Technology & Engineering
Languages : en
Pages : 344
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Book Description
Service Life Prediction of Polymers and Plastics Exposed to Outdoor Weathering discusses plastics and polymers and their unique applications, from sealants used in construction, to polymer composites used in planes. While these materials are important enablers for advanced technologies, exposure to weather changes the very properties of plastics that make them so useful. This book reviews current research needs and provides a consensus roadmap of the scientific barriers to validated predictive models for the response of polymers and plastics to outdoor exposure. Despite extensive efforts over the past 20-30 years, testing of polymeric materials in accelerated or natural weathering conditions and the interpretation of the weathering results still require substantial improvements. This book represents the state-of-the-art in the prediction techniques available and in development. Engineers and materials scientists working in this field will be able to use the content of this book to assess the strengths and challenges of a range of different methods and approaches. - Enables engineers and scientists in a range of industries to more successfully predict the durability of polymers, paints and coatings when exposed to weather - Provides the latest information to help determine the sustainability of polymeric materials - Reviews the current state-of-the-art in this area and identifies research needs that are followed by more detailed discussions of specific polymers and applications
Author: Louis Redding
Publisher: Springer
ISBN: 3319121111
Category : Technology & Engineering
Languages : en
Pages : 459
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Book Description
Demonstrating the latest research and analysis in the area of through-life engineering services (TES), this book utilizes case studies and expert analysis from an international array of practitioners and researchers – who together represent multiple manufacturing sectors: aerospace, railway and automotive – to maximize reader insights into the field of through-life engineering services. As part of the EPSRC Centre in Through-life Engineering Services program to support the academic and industrial community, this book presents an overview of non-destructive testing techniques and applications and provides the reader with the information needed to assess degradation and possible automation of through-life engineering service activities . The latest developments in maintenance-repair-overhaul (MRO) are presented with emphasis on cleaning technologies, repair and overhaul approaches and planning and digital assistance. The impact of these technologies on sustainable enterprises is also analyzed. This book will help to support the existing TES community and will provide future studies with a strong base from which to analyze and apply techn9olgical trends to real world examples.
Author: Les Mallinson
Publisher: Springer Science & Business Media
ISBN: 1461512158
Category : Technology & Engineering
Languages : en
Pages : 659
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Book Description
The first International Conference on Ageing Studies and Lifetime Extension of Materials was held on th July 12-14 , 1999 at St. Catherine's College, Oxford, United Kingdom. Over 230 delegates attended during the three days and heard nearly ninety papers, together with over thirty poster presentations. Sixteen of these papers were keynotes from invited speakers eminent in their field of research. The proceedings were organised into six separate sessions: observation and understanding of real-time and accelerated ageing; experimental techniques; modelling and theoretical studies; lifetime prediction and validation; lifetime extension; and material design for ageing. In doing this, it was hoped to cover most issues of scientific concern inthefield ofmaterials ageing. One important aspect was that the conference did not concentrateon any particular group or type ofmaterial; rather the aim was to attract contributions from workers engaged in ageing studies with as wide a range of materials as possible. In this way, it was hoped that delegates could interactwith and learnfrom those whom they perhapswould not normally come across and that metallurgists could learn from polymer scientists, ceramicists could talk to modellers, and so on, in this important field. A read through the diverse papers contained within these proceedings will confirm that this aim was happily satisfied. Why hold such a meeting? In the modem world, engineered systems are expected to last longer.
Author: L.W. Masters
Publisher: Springer Science & Business Media
ISBN: 9400951256
Category : Technology & Engineering
Languages : en
Pages : 289
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Book Description
Degradation, the chemical/physical response of building and con struction materials exposed to in-service environments, must be predicted prior to their installation in structures if materials are to be effectively selected, used and maintained. These assessments of materials degradation require that methods be available to aid prediction of service life. The objectives of building materials science are a) to charac terize and categorize materials, b) to predict, preferably in a mathematical sense, material or component response including expected service life, and c) to make improvements in material response through improvements in design, formulation, processing or specification. For building and construction materials, continued progress has been made towards objective (a), but little progress has been made towards objectives (b) and (c). Of these, the mathematical prediction of service life appears to be of greater importance, because, if general approaches or models having application to a wide range of building and construction materials can be identi fied, then the categorization, selection, use and improvement of materials can proceed in a systematic manner. Researchers in advanced technologies, such as aerospace, nuclear, electronics and medicine, have apparently been more successful than researchers in building and construction technology in responding to the need for reliable predictions of service life.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309178703
Category : Technology & Engineering
Languages : en
Pages : 48
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Book Description
A panel of experts appointed by the National Research Council assessed the scientific and technical work of the Building and Fire Research Laboratory (BFRL) of the National Institute of Standards and Technology (NIST). The scope of the assessment included the following criteria: (1) the technical merit of the current laboratory programs relative to the current state of the art worldwide; (2) the adequacy of the laboratory facilities, equipment, and human resources, as they affect the quality of the laboratory technical programs; and (3) the degree to which the laboratory programs in measurement science and standards achieve their stated objectives and desired impact. The book finds that, overall the technical merit of the programs reviewed within the BFRL is very high and generally at a state-of-the-art level. The programs have clear ties to the overall BFRL Strategic Priority Areas and are well aligned with the mission of NIST, which is to promote U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.
Author: Christer Sjostrom
Publisher: Routledge
ISBN: 1136746331
Category : Architecture
Languages : en
Pages : 685
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Book Description
First Published in 2004. In the process of harmonising the wide-ranging interests in this field, the series of international conferences Durability of Building Materials and Components, of which this is the seventh, has played a decisive role by bridging between different material and product areas and by giving researchers and practitioners an opportunity to meet every third year to discuss the latest R&D achievements. This conference covers a number of themes ranging from theoretical aspects of service life prediction to the practical implementation of knowledge on durability of building products in standards. This collection is the proceedings and will serve as a valuable reference to all interested in the wide and stimulating area of durability and service life prediction in building and construction. This is Volume Two on Testing, Design and Standardisation.
Author: Christer Sjostrom
Publisher: Routledge
ISBN: 1135818738
Category : Architecture
Languages : en
Pages : 690
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Book Description
These books contain articles on R&D into the major aspects of durability and service life prediction of building materials and components, as well as theoretical aspects of methods and modelling of prediction, description of degradation environment by use GIS, as practical implementation of knowledge on durability in maintenance procedures and in standardisation and regulations.
