Modeling And Characterization Of Thermo Oxidative Behavior Of Bismaleimide Composites

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Modeling and Characterization of Thermo-oxidative Behavior of Bismaleimide Composites

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Author : Rafid Muhammad Hussein
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (11 download)

Book Synopsis Modeling and Characterization of Thermo-oxidative Behavior of Bismaleimide Composites by : Rafid Muhammad Hussein

Download or read book Modeling and Characterization of Thermo-oxidative Behavior of Bismaleimide Composites written by Rafid Muhammad Hussein and published by . This book was released on 2018 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: "High-temperature polymer matrix composites (HTPMCs) are susceptible to thermo-oxidation, which accelerates the composites' degradation and reduces the service life. Mechanical properties of HTPMCs deteriorate due to coupled thermo-oxidation and cross-linking mechanisms. Bismaleimides (BMIs) are commonly used high-temperature resins for aerospace applications. This work presents the viability of using experimental weight loss to model the spatial distribution of oxidation when the oxidized polymer matrix is not discernible. Three tasks are introduced: (1) Anisotropic oxidation prediction using optimized weight loss behavior of bismaleimide composites, (2) A multi-scale modeling of thermo-oxidative effects on the flexural behavior of cross-ply bismaleimide composites, and (3) Thermo-oxidative induced damage in polymer composites: microstructure image-based multi-scale modeling and experimental validation. Task 1 deals with simulating the weight loss and oxidized layer evolution in unidirectional BMI composites exposed to a service temperature in the operating range, 176.67 °C (350 °F) and 200 °C (392 °F). In task 2, microstructural changes of the cross-ply BMIs composites were characterized using microscopy. A multiscale approach for modeling flexural modulus degradation was proposed. In Task 3, a multi-scale modeling approach is presented to simulate and validate thermo-oxidation shrinkage and cracking damage. The micro-scale shrinkage deformation and cracking damage are simulated and validated using 2D and 3D simulations. The meso-scale geometrical domain and the micro-scale geometry and mesh are developed using the object oriented finite element (OOF). The macro-scale shrinkage and weight loss are measured using unidirectional coupons and used to build the macro-shrinkage model"--Abstract, page iv.

Thermo-Oxidative Behavior of High Temperature PMR-15 Resin and Composites (Postprint).

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Author :
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Thermo-Oxidative Behavior of High Temperature PMR-15 Resin and Composites (Postprint). by :

Download or read book Thermo-Oxidative Behavior of High Temperature PMR-15 Resin and Composites (Postprint). written by and published by . This book was released on 2007 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present study examines the thermo-oxidative behavior of high-temperature polymer matrix composite (HTPMC) materials. Thermo-oxidative aging in neat resin is simulated with a diffusion-reaction model in which temperature, oxygen concentration, and weight loss effects are considered. The thermo-oxidative behavior of the composite, on the other hand, is significantly different from that of the constituents as the composite microstructure, including the fiber/matrix interphase/interface, introduces anisotropy in the diffusion and oxidation behavior. Unit cell analyses are carried out using three-dimensional finite element analysis of repeated volume elements representing the fiber, matrix and interphase regions, and the resin oxidation model. Parametric studies illustrating the anisotropy in the oxidative region growth and the effect of fiber and interphase diffusivity on the oxidation layer growth are discussed. It is suggested that fiber-matrix debonding could provide additional diffusion paths to explain the extent of observed anisotropic oxidation growth.

American Society of Composites-28th Technical Conference

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Author : Charles Bakis
Publisher : DEStech Publications, Inc
ISBN 13 : 1605951072
Total Pages : 1892 pages
Book Rating : 4.6/5 (59 download)

Book Synopsis American Society of Composites-28th Technical Conference by : Charles Bakis

Download or read book American Society of Composites-28th Technical Conference written by Charles Bakis and published by DEStech Publications, Inc. This book was released on 2013-11-01 with total page 1892 pages. Available in PDF, EPUB and Kindle. Book excerpt: New and unpublished U.S. and international research on multifunctional, active, biobased, SHM, self-healing composites -- from nanolevel to large structures New information on modeling, design, computational engineering, manufacturing, testing Applications to aircraft, bridges, concrete, medicine, body armor, wind energy This fully searchable CD-ROM contains 135 original research papers on all phases of composite materials. The document provides cutting edge research by US, Canadian, and Japanese authorities on matrix-based and fiber composites from design to damage analysis and detection. Major divisions of the work include: Structural Health Monitoring, Multifunctional Composites, Integrated Computational Materials Engineering, Interlaminar Testing, Analysis-Shell Structures, Thermoplastic Matrices, Analysis Non-classical Laminates, Bio-Based Composites, Electrical Properties, Dynamic Behavior, Damage/Failure, Compression-Testing, Active Composites, 3D Reinforcement, Dielectric Nanocomposites, Micromechanical Analysis, Processing, CM Reinforcement for Concrete, Environmental Effects, Phase-Transforming, Molecular Modeling, Impact.

Metal Matrix Composites

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Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (984 download)

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Download or read book Metal Matrix Composites written by and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Recent Developments in Durability Analysis of Composite Systems

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Author : H. Dardon
Publisher : CRC Press
ISBN 13 : 1000443728
Total Pages : 493 pages
Book Rating : 4.0/5 (4 download)

Book Synopsis Recent Developments in Durability Analysis of Composite Systems by : H. Dardon

Download or read book Recent Developments in Durability Analysis of Composite Systems written by H. Dardon and published by CRC Press. This book was released on 2022-01-26 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers from these proceedings address experimental and analytical methods for the characterization and analysis of modern composite and adhesive systems. They have been produced to provide understanding that can be used to design safe, reliable engineering components.

Multiscale Modeling and Simulation of Composite Materials and Structures

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Author : Young Kwon
Publisher : Springer Science & Business Media
ISBN 13 : 0387363181
Total Pages : 634 pages
Book Rating : 4.3/5 (873 download)

Book Synopsis Multiscale Modeling and Simulation of Composite Materials and Structures by : Young Kwon

Download or read book Multiscale Modeling and Simulation of Composite Materials and Structures written by Young Kwon and published by Springer Science & Business Media. This book was released on 2007-12-04 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the state-of-the-art in multiscale modeling and simulation techniques for composite materials and structures. It focuses on the structural and functional properties of engineering composites and the sustainable high performance of components and structures. The multiscale techniques can be also applied to nanocomposites which are important application areas in nanotechnology. There are few books available on this topic.

Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials

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Author : Hyonny Kim
Publisher : DEStech Publications, Inc
ISBN 13 : 1605951242
Total Pages : 3583 pages
Book Rating : 4.6/5 (59 download)

Book Synopsis Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials by : Hyonny Kim

Download or read book Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials written by Hyonny Kim and published by DEStech Publications, Inc. This book was released on 2014-09-17 with total page 3583 pages. Available in PDF, EPUB and Kindle. Book excerpt: New and not previously published U.S. and international research on composite and nanocomposite materialsFocus on health monitoring/diagnosis, multifunctionality, self-healing, crashworthiness, integrated computational materials engineering (ICME), and moreApplications to aircraft, armor, bridges, ships, and civil structures This fully searchable CD-ROM contains 270 original research papers on all phases of composite materials, presented by specialists from universities, NASA and private corporations such as Boeing. The document is divided into the following sections: Aviation Safety and Aircraft Structures; Armor and Protection; Multifunctional Composites; Effects of Defects; Out of Autoclave Processing; Sustainable Processing; Design and Manufacturing; Stability and Postbuckling; Crashworthiness; Impact and Dynamic Response; Natural, Biobased and Green; Integrated Computational Materials Engineering (ICME); Structural Optimization; Uncertainty Quantification; NDE and SHM Monitoring; Progressive Damage Modeling; Molecular Modeling; Marine Composites; Simulation Tools; Interlaminar Properties; Civil Structures; Textiles. The CD-ROM displays figures and illustrations in articles in full color along with a title screen and main menu screen. Each user can link to all papers from the Table of Contents and Author Index and also link to papers and front matter by using the global bookmarks which allow navigation of the entire CD-ROM from every article. Search features on the CD-ROM can be by full text including all key words, article title, author name, and session title. The CD-ROM has Autorun feature for Windows 2000 or higher products and can also be used with Macintosh computers. The CD includes the program for Adobe Acrobat Reader with Search 11.0. One year of technical support is included with your purchase of this product.

Scientific and Technical Aerospace Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 1050 pages
Book Rating : 4.F/5 ( download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ageing of Composites

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Author : Rod Martin
Publisher : Elsevier
ISBN 13 : 1845694937
Total Pages : 543 pages
Book Rating : 4.8/5 (456 download)

Book Synopsis Ageing of Composites by : Rod Martin

Download or read book Ageing of Composites written by Rod Martin and published by Elsevier. This book was released on 2008-08-29 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ageing of composites is a highly topical subject given the increasing use of composites in structural applications in many industries. Ageing of composites addresses many of the uncertainties about the long-term performance of composites and how they age under conditions encountered in service.The first part of the book reviews processes and modelling of composite ageing including physical and chemical ageing of polymeric composites, ageing of glass-ceramic matrix composites, chemical ageing mechanisms, stress corrosion cracking, thermo-oxidative ageing, spectroscopy of ageing composites, modelling physical and accelerated ageing and ageing of silicon carbide composites. Part two examines ageing of composites in transport applications including aircraft, vehicles and ships. Part three reviews ageing of composites in non-transport applications such as implants in medical devices, oil and gas refining, construction, chemical processing and underwater applications.With its distinguished editor and international team of contributors, Ageing of composites is a valuable reference guide for composite manufacturers and developers. It also serves as a source of information for material scientists, designers and engineers in industries that use composites, including transport, chemical processing and medical engineering. Addresses many of the uncertainties about the long-term performance of composites and how they age under conditions encountered in service Reviews processes and modelling of composite ageing including chemical ageing mechanisms and stress corrosion cracking Discusses ageing of composites in both transport and non-transport applications ranging from aircraft to implants in medical devices

Long-Term Durability of Polymeric Matrix Composites

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Author : Kishore V. Pochiraju
Publisher : Springer Science & Business Media
ISBN 13 : 1441993088
Total Pages : 681 pages
Book Rating : 4.4/5 (419 download)

Book Synopsis Long-Term Durability of Polymeric Matrix Composites by : Kishore V. Pochiraju

Download or read book Long-Term Durability of Polymeric Matrix Composites written by Kishore V. Pochiraju and published by Springer Science & Business Media. This book was released on 2011-09-25 with total page 681 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-Term Durability of Polymeric Matrix Composites presents a comprehensive knowledge-set of matrix, fiber and interphase behavior under long-term aging conditions, theoretical modeling and experimental methods. This book covers long-term constituent behavior, predictive methodologies, experimental validation and design practice. Readers will also find a discussion of various applications, including aging air craft structures, aging civil infrastructure, in addition to engines and high temperature applications.

American Society for Composites

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Author : Michael Hyer
Publisher : DEStech Publications, Inc
ISBN 13 : 1605950513
Total Pages : 2760 pages
Book Rating : 4.6/5 (59 download)

Book Synopsis American Society for Composites by : Michael Hyer

Download or read book American Society for Composites written by Michael Hyer and published by DEStech Publications, Inc. This book was released on 2011-06-28 with total page 2760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Time Dependent Constitutive Behavior and Fracture/Failure Processes, Volume 3

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Author : Tom Proulx
Publisher : Springer Science & Business Media
ISBN 13 : 1441997946
Total Pages : 394 pages
Book Rating : 4.4/5 (419 download)

Book Synopsis Time Dependent Constitutive Behavior and Fracture/Failure Processes, Volume 3 by : Tom Proulx

Download or read book Time Dependent Constitutive Behavior and Fracture/Failure Processes, Volume 3 written by Tom Proulx and published by Springer Science & Business Media. This book was released on 2011-05-10 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: This the third volume of six from the Annual Conference of the Society for Experimental Mechanics, 2010, brings together 56 chapters on Time-Dependent Constitutive Fracture and Failure. It presents early findings from experimental and computational investigations on Time Dependent Materials including contributions on Thermal and Mechanical Characterization, Coupled Experimental and Computational Analysis of Fracture Path Selection, Procedures for Mixed Mode Fracture Testing of Bonded Beams, and Experimental Study of Voids in High Strength Aluminum Alloys.

On the Use of Accelerated Test Methods for Characterization of Advanced Composite Materials

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Author : Thomas S. Gates
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis On the Use of Accelerated Test Methods for Characterization of Advanced Composite Materials by : Thomas S. Gates

Download or read book On the Use of Accelerated Test Methods for Characterization of Advanced Composite Materials written by Thomas S. Gates and published by . This book was released on 2003 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Multi-scale Mechanism Based Life Prediction of Polymer Matrix Composites for High Temperature Airframe Applications

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Author : Priyank Upadhyaya
Publisher :
ISBN 13 :
Total Pages : 115 pages
Book Rating : 4.:/5 (847 download)

Book Synopsis Multi-scale Mechanism Based Life Prediction of Polymer Matrix Composites for High Temperature Airframe Applications by : Priyank Upadhyaya

Download or read book Multi-scale Mechanism Based Life Prediction of Polymer Matrix Composites for High Temperature Airframe Applications written by Priyank Upadhyaya and published by . This book was released on 2013 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multi-scale mechanism-based life prediction model is developed for high-temperature polymer matrix composites (HTPMC) for high temperature airframe applications. In the first part of this dissertation the effect of Cloisite 20A (C20A) nano-clay compounding on the thermo-oxidative weight loss and the residual stresses due to thermal oxidation for a thermoset polymer bismaleimide (BMI) are investigated. A three-dimensional (3-D) micro-mechanics based finite element analysis (FEA) was conducted to investigate the residual stresses due to thermal oxidation using an in-house FEA code (NOVA-3D). In the second part of this dissertation, a novel numerical-experimental methodology is outlined to determine cohesive stress and damage evolution parameters for pristine as well as isothermally aged (in air) polymer matrix composites. A rate-dependent viscoelastic cohesive layer model was implemented in an in-house FEA code to simulate the delamination initiation and propagation in unidirectional polymer composites before and after aging. Double cantilever beam (DCB) experiments were conducted (at UT-Dallas) on both pristine and isothermally aged IM-7/BMI composite specimens to determine the model parameters. The J-Integral based approach was adapted to extract cohesive stresses near the crack tip. Once the damage parameters had been characterized, the test-bed FEA code employed a micromechanics based viscoelastic cohesive layer model to numerically simulate the DCB experiment. FEA simulation accurately captures the macro-scale behavior (load-displacement history) simultaneously with the micro-scale behavior (crack-growth history).

Scientific and Technical Aerospace Reports

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Author :
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ISBN 13 :
Total Pages : 1148 pages
Book Rating : 4.E/5 ( download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 1148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterization of Critical Fundamental Aging Mechanisms of High Temperature Polymer Matrix Composites

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)

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Download or read book Characterization of Critical Fundamental Aging Mechanisms of High Temperature Polymer Matrix Composites written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This program investigated durability and potential critical fundamental aging mechanisms of the high temperature polymer matrix carbon fiber composites, especially crosslinked bismaleimide(BMI) thermosets and thermoplastic polyimide(PI) for the future applications in commercial and military aircraft. The studies involved combined stress, temperature, thermal cycling or thermal spike, moisture, time and oxygen service environment exposure which could lead to complex synergistic environmental-induced degradation mechanisms of composite performance and their critical physical and chemical aging mechanisms in terms of damage initiation and propagation on the molecular, microscopic and macroscopic structural levels in order to develop structural-performance phase diagrams for mechanics model-structural design analyses and associated materials structural optimization at all dimensional levels. Extensive and systematic studies involved two fundamental aging mechanisms, namely (i) the characterization of cure of BMI

Engineered Materials Abstracts

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Publisher :
ISBN 13 :
Total Pages : 688 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1995 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: