Impact Of Architecture On The Durability Of Polymer Composite Materials In Hygrothermal Environments PDF Download
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Author | : Sabarinathan Pushparaj Subramaniyan |
Publisher | : |
Total Pages | : 0 |
Release | : 2023 |
Genre | : |
ISBN | : |
Download Impact of Architecture on the Durability of Polymer Composite Materials in Hygrothermal Environments Book in PDF, ePub and Kindle
The central objective of my doctoral research is to shed light on the impact of internal structure on moisture-triggered degradation mechanisms across various scales. In particular, my investigation centers on the kinetics of moisture-induced degradation in two distinct polymer composites: Fiber reinforced polymer composites and Flexible syntactic foam. The initial study involved the creation of computational models using a finite element framework to assess the kinetics of moisture diffusion in impermeable fiber-reinforced polymer composites (FRPCs). The introduction of the tortuosity factor served as a means of quantifying the degree of deviation in the pathway of moisture diffusion resulting from the presence of impermeable reinforcement. Subsequently, a correlation between tortuosity and moisture diffusivity was established, paving the way for future applications of composite design and optimization. The information acquired from the preliminary investigations is leveraged to gain insights into the thermal transport characteristics driven by the moisture diffusion pathway in traditional circular fibers, as well as other fiber cross-sectional shapes such as those of the bean, bi-lobular, and triangular varieties. Finally, The impact of extended moisture exposure on the viscoelastic, thermal transport, and dielectric properties of Flexible syntactic foam has been comprehensively elucidated. This study provides valuable insights into optimizing this material at multiple scales, facilitating the attainment of desired properties.
Author | : Padmavathi Surathi |
Publisher | : |
Total Pages | : 590 |
Release | : 2006 |
Genre | : Fiber-reinforced plastics |
ISBN | : |
Download Hygrothermal Effects on Durability and Moisture Kinetics of Fiber-reinforced Polymer Composites Book in PDF, ePub and Kindle
Author | : George S. Springer |
Publisher | : |
Total Pages | : 534 |
Release | : 1981 |
Genre | : Composite materials |
ISBN | : |
Download Environmental Effects on Composite Materials Book in PDF, ePub and Kindle
Author | : Paul Fazio |
Publisher | : CRC Press |
Total Pages | : 1017 |
Release | : 2020-11-26 |
Genre | : Technology & Engineering |
ISBN | : 1000155471 |
Download Research in Building Physics and Building Engineering Book in PDF, ePub and Kindle
Buildings influence people. They account for one third of energy consumption across the globe and represent an annual capital expenditure of 7%-10% of GNP in industrialized countries. Their lifetime operation costs can exceed capital investment. Building Engineering aims to make buildings more efficient, safe and economical. One branch of this discipline, Building Physics/Science, has gained prominence, with a heightened awareness of such phenomena as sick buildings, the energy crisis and sustainability, and considering the performance of buildings in terms of climatic loads and indoor conditions. The book reflects the advanced level and high quality of research which Building Engineering, and Building Physics/Science in particular, have reached at the beginning of the twenty-first century. It will be a valuable resource to: engineers, architects, building scientists, consultants on the building envelope, researchers and graduate students.
Author | : Wilfred Vencil Srubar (III.) |
Publisher | : |
Total Pages | : |
Release | : 2013 |
Genre | : |
ISBN | : |
Download Hygrothermal Durability of Biorenewable Composites for Construction Book in PDF, ePub and Kindle
Conventional infrastructure materials are both resource- and energy-intensive to manufacture, and their production contributes significantly to greenhouse gas emissions, global warming, and climate change. To address growing environmental concerns over infrastructure material production, innovative, fully biorenewable materials are being developed to replace materials that are manufactured from non-renewable resources. Naturally occurring biopolymers, such as polyhydroxyalkanoates (PHAs) and polylactic acids (PLAs), have demonstrated suitability for use in wood-polymer composites (WPCs). However, the widespread applicability of fully biorenewable WPCs remains limited due to persistent concerns over their long-term durability performance, especially in high-humidity and wet environments. The results presented in this dissertation are the results of a comprehensive evaluation of the hygrothermal durability of fully biorenewable PHA-based WPCs. The primary objectives of this work were (1) to characterize the mechanical and kinetic moisture transport properties of PHA-based WPCs, (2) to assess their moisture resistance with and without fiber-matrix chemical modifications, (3) to propose a predictive model for moisture-induced deterioration, and (4) to simulate long-term, in-situ performance using a combination of experimental and numerical methods. The results from this research contribute to the development of design tools for material service-life prediction and materials selection for sustainable construction applications.
Author | : Robert C. Creese |
Publisher | : CRC Press |
Total Pages | : 264 |
Release | : 2020-07-25 |
Genre | : Technology & Engineering |
ISBN | : 1000160149 |
Download Polymer Composites II Book in PDF, ePub and Kindle
Based on polymer conferences held in 1999 and 2001, Polymer Composites II: Composites Applications in Infrastructure Renewal and Economic Development is a collection of status reports, success stories, and new opportunities from specific composite applications in infrastructure renewal that provide insight to the resulting economic development and effects. This volume brings together multidisciplinary experts involved with polymer composites who validate their design, construction, and performance and present the role that composites play in infrastructure renewal, detail the technical and regualtory barriers, identify helpful agencies, and estimate the possibilities of economic development.
Author | : Carlos A. Mota Soares |
Publisher | : Springer Science & Business Media |
Total Pages | : 524 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 9401144893 |
Download Mechanics of Composite Materials and Structures Book in PDF, ePub and Kindle
A compact presentation of the foundations, current state of the art, recent developments and research directions of all essential techniques related to the mechanics of composite materials and structures. Special emphasis is placed on classic and recently developed theories of composite laminated beams, plates and shells, micromechanics, impact and damage analysis, mechanics of textile structural composites, high strain rate testing and non-destructive testing of composite materials and structures. Topics of growing importance are addressed, such as: numerical methods and optimisation, identification and damage monitoring. The latest results are presented on the art of modelling smart composites, optimal design with advanced materials, and industrial applications. Each section of the book is written by internationally recognised experts who have dedicated most of their research work to a particular field. Readership: Postgraduate students, researchers and engineers in the field of composites. Undergraduate students will benefit from the treatment of the foundations of the mechanics of composite materials and structures.
Author | : Flake C Campbell Jr |
Publisher | : Elsevier |
Total Pages | : 617 |
Release | : 2011-08-31 |
Genre | : Technology & Engineering |
ISBN | : 0080462359 |
Download Manufacturing Technology for Aerospace Structural Materials Book in PDF, ePub and Kindle
The rapidly-expanding aerospace industry is a prime developer and user of advanced metallic and composite materials in its many products. This book concentrates on the manufacturing technology necessary to fabricate and assemble these materials into useful and effective structural components. Detailed chapters are dedicated to each key metal or alloy used in the industry, including aluminum, magnesium, beryllium, titanium, high strength steels, and superalloys. In addition the book deals with composites, adhesive bonding and presents the essentials of structural assembly. This book will be an important resource for all those involved in aerospace design and construction, materials science and engineering, as well as for metallurgists and those working in related sectors such as the automotive and mass transport industries. Flake Campbell Jr has over thirty seven years experience in the aerospace industry and is currently Senior Technical Fellow at the Boeing Phantom Works in Missouri, USA. * All major aerospace structural materials covered: metals and composites* Focus on details of manufacture and use* Author has huge experience in aerospace industry* A must-have book for materials engineers, design and structural engineers, metallurgical engineers and manufacturers for the aerospace industry
Author | : George S. Springer |
Publisher | : CRC Press |
Total Pages | : 222 |
Release | : 1981 |
Genre | : Technology & Engineering |
ISBN | : |
Download Environmental Effects on Composite Materials, Volume I Book in PDF, ePub and Kindle
Author | : VRIJE UNIV BRUSSELS (Belgium) |
Publisher | : |
Total Pages | : 16 |
Release | : 1990 |
Genre | : |
ISBN | : |
Download Durability of Polymer Based Composite Systems for Structural Applications. Analysis and Predictions Book in PDF, ePub and Kindle
Most of the new composite systems, based on polymers (materials, structures and adhesive joints) exhibit time effects and their behaviour is strongly influenced by temperature moisture absorption and other environmental factors. The use of these materials for structural applications, mechanical loads, (of static, dynamical amd impact type), in a surrounding with varying environmental conditions, needs design procedures, which take into account this general loading history interacting with the thermomechanical characteristics, in order to obtain a reliable prediction of the long term behaviour. A valid methodology for life time prediction and/or durability analysis is probably the key element for a larger development of the use of polymer based composite systems in structures in the future. Belgium. (jes).