Thermal Conductivity Of Ceramic Thermal Barrier And Environmental Barrier Coating Materials

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Thermal Conductivity of Ceramic Thermal Barrier and Environmental Barrier Coating Materials

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721270675
Total Pages : 34 pages
Book Rating : 4.2/5 (76 download)

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Book Synopsis Thermal Conductivity of Ceramic Thermal Barrier and Environmental Barrier Coating Materials by : National Aeronautics and Space Administration (NASA)

Download or read book Thermal Conductivity of Ceramic Thermal Barrier and Environmental Barrier Coating Materials written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-19 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal barrier and environmental barrier coatings (TBC's and EBC's) have been developed to protect metallic and Si-based ceramic components in gas turbine engines from high temperature attack. Zirconia-yttria based oxides and (Ba,Sr)Al2Si2O8(BSAS)/mullite based silicates have been used as the coating materials. In this study, thermal conductivity values of zirconia-yttria- and BSAS/mullite-based coating materials were determined at high temperatures using a steady-state laser heat flux technique. During the laser conductivity test, the specimen surface was heated by delivering uniformly distributed heat flux from a high power laser. One-dimensional steady-state heating was achieved by using thin disk specimen configuration (25.4 mm diam and 2 to 4 mm thickness) and the appropriate backside air-cooling. The temperature gradient across the specimen thickness was carefully measured by two surface and backside pyrometers. The thermal conductivity values were thus determined as a function of temperature based on the 1-D heat transfer equation. The radiation heat loss and laser absorption corrections of the materials were considered in the conductivity measurements. The effects of specimen porosity and sintering on measured conductivity values were also evaluated. Zhu, Dong-Ming and Bansal, Narottam P. and Lee, Kang N. and Miller, Robert A. Glenn Research Center NASA/TM-2001-211122, E-12971, NAS 1.15:211122

Environmental Barrier Coatings

Author : Kang N. Lee
Publisher : MDPI
ISBN 13 : 3039365177
Total Pages : 168 pages
Book Rating : 4.0/5 (393 download)

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Book Synopsis Environmental Barrier Coatings by : Kang N. Lee

Download or read book Environmental Barrier Coatings written by Kang N. Lee and published by MDPI. This book was released on 2020-12-29 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The global increase in air travel will require commercial vehicles to be more efficient than ever before. Advanced engine hot section materials are a key technology required to keep fuel consumption and emission to a minimum in next-generation gas turbines. Ceramic matrix composites (CMCs) are the most promising material to revolutionize gas turbine hot section materials technology because of their excellent high‐temperature properties. Rapid surface recession due to volatilization by water vapor is the Achilles heel of CMCs. Environmental barrier coatings (EBCs) is an enabling technology for CMCs, since it protects CMCs from water vapor. The first CMC component entered into service in 2016 in a commercial engine, and more CMC components are scheduled to follow within the next few years. One of the most difficult challenges to CMC components is EBC durability, because failure of EBC leads to a rapid reduction in CMC component life. Key contributors to EBC failure include recession, oxidation, degradation by calcium‐aluminum‐magnesium silicates (CMAS) deposits, thermal and thermo‐mechanical strains, particle erosion, and foreign object damage (FOD). Novel EBC chemistries, creative EBC designs, and robust processes are required to meet EBC durability challenges. Engine-relevant testing, characterization, and lifing methods need to be developed to improve EBC reliability. The aim of this Special Issue is to present recent advances in EBC technology to address these issues. In particular, topics of interest include but are not limited to the following: • Novel EBC chemistries and designs; • Processing including plasma spray, suspension plasma spray, solution precursor plasma spray, slurry process, PS-PVD, EB-PVD, and CVD; • Testing, characterization, and modeling; • Lifing.

Coatings for High-Temperature Structural Materials

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309176026
Total Pages : 102 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Coatings for High-Temperature Structural Materials by : National Research Council

Download or read book Coatings for High-Temperature Structural Materials written by National Research Council and published by National Academies Press. This book was released on 1996-05-13 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book assesses the state of the art of coatings materials and processes for gas-turbine blades and vanes, determines potential applications of coatings in high-temperature environments, identifies needs for improved coatings in terms of performance enhancements, design considerations, and fabrication processes, assesses durability of advanced coating systems in expected service environments, and discusses the required inspection, repair, and maintenance methods. The promising areas for research and development of materials and processes for improved coating systems and the approaches to increased coating standardization are identified, with an emphasis on materials and processes with the potential for improved performance, quality, reproducibility, or manufacturing cost reduction.

Thermal Conductivity of Ceramic Thermal Barrier and Environmental Barrier Coating Materials

Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Thermal Conductivity of Ceramic Thermal Barrier and Environmental Barrier Coating Materials by :

Download or read book Thermal Conductivity of Ceramic Thermal Barrier and Environmental Barrier Coating Materials written by and published by . This book was released on 2001 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermal Conductivity 27

Author : Hsin Wang
Publisher : DEStech Publications, Inc
ISBN 13 : 9781932078343
Total Pages : 690 pages
Book Rating : 4.0/5 (783 download)

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Book Synopsis Thermal Conductivity 27 by : Hsin Wang

Download or read book Thermal Conductivity 27 written by Hsin Wang and published by DEStech Publications, Inc. This book was released on 2005 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: In additional to traditional topics such as thermal insulation, instrumentation and standards, the conference highlighted research in carbon nanotubes, nanomaterials, novel thin films, thermoelectric and composites.

Advanced Surface Coating Techniques for Modern Industrial Applications

Author : Roy, Supriyo
Publisher : IGI Global
ISBN 13 : 179984871X
Total Pages : 342 pages
Book Rating : 4.7/5 (998 download)

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Book Synopsis Advanced Surface Coating Techniques for Modern Industrial Applications by : Roy, Supriyo

Download or read book Advanced Surface Coating Techniques for Modern Industrial Applications written by Roy, Supriyo and published by IGI Global. This book was released on 2020-09-18 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: In engineering, there are often situations in which the material of the main component is unable to sustain long life or protect itself from adverse operating environments. Moreover, in some cases, different material properties such as anti-friction and wear, anti-corrosive, thermal resistive, super hydrophobic, etc. are required as per the operating conditions. If those bulk components are made of such materials and possess those properties, the cost will be very high. In such cases, a practical solution is surface coating, which serves as a protective barrier to the bulk material from the adverse environment. In the last decade, with enormous effort, researchers and scientists have developed suitable materials to overcome those unfavorable operating conditions, and they have used advanced deposition techniques to enhance the adhesion and surface texturing of the coatings. Advanced Surface Coating Techniques for Modern Industrial Applications is a highly sought reference source that compiles the recent research trends in these new and emerging surface coating materials, deposition techniques, properties of coated materials, and their applications in various engineering and industrial fields. The book particularly focuses on 1) coating materials including anti-corrosive materials and nanomaterials, 2) coating methods including thermal spray and electroless disposition, and 3) applications such as surface engineering and thin film application. The book is ideal for engineers, scientists, researchers, academicians, and students working in fields like material science, mechanical engineering, tribology, chemical and corrosion science, bio-medical engineering, biomaterials, and aerospace engineering.

Design of Thermal Barrier Coatings

Author : Mohit Gupta
Publisher : Springer
ISBN 13 : 3319172549
Total Pages : 93 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Design of Thermal Barrier Coatings by : Mohit Gupta

Download or read book Design of Thermal Barrier Coatings written by Mohit Gupta and published by Springer. This book was released on 2015-05-05 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book details the relationships between microstructure, interface roughness, and properties of thermal barrier coatings. The author proposes a method for the reduction of the thermal conductivity of the ceramic layer in order to increase the lifetime of thermal barrier coatings. He includes models for the optimization of ceramic layer microstructure and interface roughness.

Production, Properties, and Applications of High Temperature Coatings

Author : Pakseresht, Amir Hossein
Publisher : IGI Global
ISBN 13 : 1522541950
Total Pages : 581 pages
Book Rating : 4.5/5 (225 download)

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Book Synopsis Production, Properties, and Applications of High Temperature Coatings by : Pakseresht, Amir Hossein

Download or read book Production, Properties, and Applications of High Temperature Coatings written by Pakseresht, Amir Hossein and published by IGI Global. This book was released on 2018-01-12 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat resistant layers are meant to withstand high temperatures while also protecting against all types of corrosion and oxidation. Therefore, the micro-structure and behavior of such layers is essential in understanding the functionality of these materials in order to make improvements. Production, Properties, and Applications of High Temperature Coatings is a critical academic publication which examines the methods of creation, characteristics, and behavior of materials used in heat resistant layers. Featuring coverage on a wide range of topics such as, thermal spray methods, sol-gel coatings, and surface nanoengineering, this book is geared toward students, academicians, engineers, and researchers seeking relevant research on the methodology and materials for producing effective heat resistant layers.

Progress in Thermal Barrier Coatings

Author : ACerS (American Ceramics Society, The)
Publisher : John Wiley & Sons
ISBN 13 : 0470408383
Total Pages : 642 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Progress in Thermal Barrier Coatings by : ACerS (American Ceramics Society, The)

Download or read book Progress in Thermal Barrier Coatings written by ACerS (American Ceramics Society, The) and published by John Wiley & Sons. This book was released on 2009-06-15 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Materials Thermochemistry

Author : Oswald Kubaschewski
Publisher : Pergamon
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Materials Thermochemistry by : Oswald Kubaschewski

Download or read book Materials Thermochemistry written by Oswald Kubaschewski and published by Pergamon. This book was released on 1993 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials Thermochemistry, the 6th Edition of Metallurgical Thermochemistry, aims to demonstrate the central role of thermochemistry in the understanding and designing of materials and materials processes. Extensively revised and up-dated, the 6th Edition of this classic work includes all the latest developments in experimental methods, new methods for estimating thermochemical data for both pure and alloy substances, new practical applications of thermochemical calculations, and up-dated tables of critically evaluated thermochemical data for inorganic substances and binary alloy systems. The basic principles of chemical thermodynamics are presented in a straightforward way with many examples of the use of thermochemical calculations in solving a variety of materials' problems. Although thermodynamics is an established field, this 6th Edition presents the newest experimental methods and calculations of complex equilibria associated with the most recent materials and environmental considerations (e.g. environmental pollution). This text is suitable for graduates and undergraduates alike and provides basic information necessary for researchers to apply thermochemical principles and data to the optimization of materials and materials processes.

Ceramic Materials Research

Author : R. Brook
Publisher : Elsevier
ISBN 13 : 0080983596
Total Pages : 484 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Ceramic Materials Research by : R. Brook

Download or read book Ceramic Materials Research written by R. Brook and published by Elsevier. This book was released on 1989-05-01 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: The high expectations set on ceramic materials in recent years have always been balanced by the very considerable difficulties seen in reaching the required levels of reproducibility and cost. Indications of the significant progress, which can be seen in the papers presented in this volume, coupled with the recognition that considerable problems still lie between the state of the art and the full and confident exploitation of the many merits of ceramics, provide a healthy basis for the profitable selection of future research directions. The mastery of ceramic processing and the imaginative matching of the properties of these materials to diverse applications remain among the most promising sectors for technological development.

High Temperature Coatings

Author : Sudhangshu Bose
Publisher : Butterworth-Heinemann
ISBN 13 : 0128047437
Total Pages : 418 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis High Temperature Coatings by : Sudhangshu Bose

Download or read book High Temperature Coatings written by Sudhangshu Bose and published by Butterworth-Heinemann. This book was released on 2017-11-27 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Temperature Coatings, Second Edition, demonstrates how to counteract the thermal effects of rapid corrosion and degradation of exposed materials and equipment that can occur under high operating temperatures. This is the first true practical guide on the use of thermally protective coatings for high-temperature applications, including the latest developments in materials used for protective coatings. It covers the make-up and behavior of such materials under thermal stress and the methods used for applying them to specific types of substrates, as well as invaluable advice on inspection and repair of existing thermal coatings. With his long experience in the aerospace gas turbine industry, the author has compiled the very latest in coating materials and coating technologies, as well as hard-to-find guidance on maintaining and repairing thermal coatings, including appropriate inspection protocols. The book is supplemented with the latest reference information and additional support to help readers find more application- and industry-type coatings specifications and uses. - Offers an overview of the underlying fundamental concepts of thermally-protective coatings, including thermodynamics, energy kinetics, crystallography and equilibrium phases - Covers essential chemistry and physics of underlying substrates, including steels, nickel-iron alloys, nickel-cobalt alloys and titanium alloys - Provides detailed guidance on a wide variety of coating types, including those used against high temperature corrosion and oxidative degradation and thermal barrier coatings

Methods for Film Synthesis and Coating Procedures

Author : Laszlo Nanai
Publisher : Intechopen
ISBN 13 : 1789855667
Total Pages : 174 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Methods for Film Synthesis and Coating Procedures by : Laszlo Nanai

Download or read book Methods for Film Synthesis and Coating Procedures written by Laszlo Nanai and published by Intechopen. This book was released on 2020-03 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, thin layer technologies, including fabrication of different micro- and nano-structures, have undergone tremendous progress. Such layers are made for a variety of industrial and scientific applications. Due to the extreme physico-chemical properties of the available structures, there are many promising applications (eg, due to biocompatibility, biological and medical applications between living tissues and materials). Pre-tailored special surface layers/structures could be realized for implants in dental, neurological and orthopedic applications. There are also different methods that have been applied to produce special mono and multilayers with extreme electrical end magnetic properties. Also some methods have been developed to produce surface structure applications eg, for environmental applications with necessary resistivity and anti-corrosion properties.Some theoretical/mathematical simulation methods have also been developed for better compatibility of theory with experiments.This book consists of 10 chapters describing the physico-chemical base of deposition and coating microfabrication, thus providing some overview on how to measure the physical and chemical parameters of fabricated structures and how to solve compatibility and fitting problems, etc.

Thermal Barrier Coatings

Author : Hongbo Guo
Publisher : Woodhead Publishing
ISBN 13 : 0128190280
Total Pages : 490 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Thermal Barrier Coatings by : Hongbo Guo

Download or read book Thermal Barrier Coatings written by Hongbo Guo and published by Woodhead Publishing. This book was released on 2023-01-18 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal Barrier Coatings, Second Edition plays a critical role in counteracting the effects of corrosion and degradation of exposed materials in high-temperature environments such as gas turbine and aero-engines. This updated edition reviews recent advances in the processing and performance of thermal barrier coatings, as well as their failure mechanisms. Novel technologies for the manufacturing of thermal barrier coatings (TBCs) such as plasma spray-physical vapor deposition and suspension plasma spray, are covered, as well as severe degradation of TBCs caused by CMAS attack. In addition to discussions of new materials and technologies, an outlook about next generation TBCs, including T/EBCs is discussed.This edition will provide the fundamental science and engineering of thermal barrier coatings for researchers in the field of TBCs, as well as students looking for a tutorial. - Includes coverage of emerging materials, such as rare-earth doped ceramics - Presents the latest on plasma spray-physical vapor deposition and suspension (solution precursor) - Discusses the degradation of TBCs caused by CMAS attack and its protection - Looks at thermally environmental barrier coatings, interdiffusion and diffusion barrier

Handbook of Thermal Spray Technology

Author : Joseph R. Davis
Publisher : ASM International
ISBN 13 : 0871707950
Total Pages : 344 pages
Book Rating : 4.8/5 (717 download)

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Book Synopsis Handbook of Thermal Spray Technology by : Joseph R. Davis

Download or read book Handbook of Thermal Spray Technology written by Joseph R. Davis and published by ASM International. This book was released on 2004-01-01 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference covers principles, processes, types of coatings, applications, performance, and testing and analysis of thermal spray technology. It will serve as an introduction and guide for those new to thermal spray, and as a reference for specifiers and users of thermal spray coatings and thermal spray experts. Coverage encompasses basics of th

Metallurgical and Ceramic Protective Coatings

Author : K.H. Stern
Publisher : Springer Science & Business Media
ISBN 13 : 9400915012
Total Pages : 353 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Metallurgical and Ceramic Protective Coatings by : K.H. Stern

Download or read book Metallurgical and Ceramic Protective Coatings written by K.H. Stern and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface engineering is an increasingly important field and consequently those involved need to be aware of the vast range of technologies available to modify surfaces. This text provides an up-to-date, authoritative exposition of the major condensed phase methods used for producing metallurgical and ceramic coatings. Each method is discussed thoroughly by an expert in that field. In each chapter the principle of the method, its range of applications and technical aspects involved are described. The book not only informs the reader about established technologies familiar only to specialists, but also details activity on the frontier of coating technology providing an insight into those potential technologies not yet fully developed but which should emerge in the near future.

Mechanical Properties of Ceramics

Author : John B. Wachtman
Publisher : John Wiley & Sons
ISBN 13 : 9780470451502
Total Pages : 496 pages
Book Rating : 4.4/5 (515 download)

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Book Synopsis Mechanical Properties of Ceramics by : John B. Wachtman

Download or read book Mechanical Properties of Ceramics written by John B. Wachtman and published by John Wiley & Sons. This book was released on 2009-08-13 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Comprehensive and Self-Contained Treatment of the Theory and Practical Applications of Ceramic Materials When failure occurs in ceramic materials, it is often catastrophic, instantaneous, and total. Now in its Second Edition, this important book arms readers with a thorough and accurate understanding of the causes of these failures and how to design ceramics for failure avoidance. It systematically covers: Stress and strain Types of mechanical behavior Strength of defect-free solids Linear elastic fracture mechanics Measurements of elasticity, strength, and fracture toughness Subcritical crack propagation Toughening mechanisms in ceramics Effects of microstructure on toughness and strength Cyclic fatigue of ceramics Thermal stress and thermal shock in ceramics Fractography Dislocation and plastic deformation in ceramics Creep and superplasticity of ceramics Creep rupture at high temperatures and safe life design Hardness and wear And more While maintaining the first edition's reputation for being an indispensable professional resource, this new edition has been updated with sketches, explanations, figures, tables, summaries, and problem sets to make it more student-friendly as a textbook in undergraduate and graduate courses on the mechanical properties of ceramics.