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Evaluation Of A Gamma Titanium Aluminide For Hypersonic Structural Applications
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Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781723950629 Total Pages :100 pages Book Rating :4.9/5 (56 download)
Book Synopsis Evaluation of a Gamma Titanium Aluminide for Hypersonic Structural Applications by : National Aeronautics and Space Adm Nasa
Download or read book Evaluation of a Gamma Titanium Aluminide for Hypersonic Structural Applications written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-23 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium matrix composites (TMCs) have been extensively evaluated for their potential to replace conventional superalloys in high temperature structural applications, with significant weight-savings while maintaining comparable mechanical properties. New gamma titanium aluminide alloys and an appropriate fiber could offer an improved TMC for use in intermediate temperature applications (400-800 C). The purpose of this investigation is the evaluation of a gamma titanium aluminide alloy with nominal composition Ti-46.5Al-4(Cr, Nb, Ta, B)at.% as a structural material in future aerospace transportation systems, where very light-weight structures are necessary to meet the goals of advanced aerospace programs.Johnson, W. Steven and Weeks, Carrell E.Langley Research CenterMECHANICAL PROPERTIES; STRUCTURAL DESIGN; TITANIUM ALUMINIDES; HYPERSONIC FLIGHT; HEAT RESISTANT ALLOYS; X-43 VEHICLE; TEMPERATURE; FEASIBILITY ANALYSIS; THERMAL PROTECTION; METAL MATRIX COMPOSITES; FAILURE MODES; YIELD STREN
Book Synopsis Evaluation of a Gamma Titanium Aluminide for Hypersonic Structural Applications by : Carrell Elizabeth Weeks
Download or read book Evaluation of a Gamma Titanium Aluminide for Hypersonic Structural Applications written by Carrell Elizabeth Weeks and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium matrix composites have been extensively evaluated for their potential to replace conventional superalloys in high temperature structural applications, with significant weight-savings while maintaining comparable mechanical properties. The purpose of this investigation is the evaluation of a gamma titanium aluminide alloy with nominal composition Ti-46.5Al-4(Cr, Nb, Ta, B)at.% as a matrix material for use in intermediate temperature applications (400-800ʻC) in future aerospace transportation systems, as very light-weight structures are needed for cost and weight reduction goals. Mechanical characterization testing was performed over the potential usable temperature range (21-800ʻC). Thermal expansion behavior was evaluated, as thermal mismatch of the constituents is an expected problem in composites employing this matrix material. Monotonic testing was conducted on rolled sheet material samples to obtain material properties. The alloy exhibited good strength and stiffness retention at elevated temperatures, as well as improved toughness. Monotonic testing was also conducted on specimens exposed to elevated temperatures to determine the degradation effects of high temperature exposure and oxidation. The exposure did not significantly degrade the alloy properties at elevated temperatures; however, room temperature ductility decreased. Analytical modeling using AGLPLY software was conducted to predict the residual stress state after composite consolidation as well as the potential mechanical behavior of [0]4 laminates with a -̂MET matrix. Silicon carbide (Ultra-SCS) and alumina (Nextel 610) fibers were selected as potential reinforcing materials for the analysis. High residual stresses were predicted due to the thermal mismatch in the materials. Laminates with Nextel 610 fibers were found to offer the better potential for a composite in this comparison as they provide a better thermal match. Coupons of SCS-6/-̂MET were manufactured with different volume fractions (10% and 20%). Both manufacturing attempts resulted in transverse cracking in the matrix from the residual thermal stress.
Book Synopsis Gamma Titanium Aluminide Alloys by : Fritz Appel
Download or read book Gamma Titanium Aluminide Alloys written by Fritz Appel and published by John Wiley & Sons. This book was released on 2011-10-17 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book entirely dedicated to the topic emphasizes the relation between basic research and actual processing technologies. As such, it covers complex microstructures down to the nanometer scale, structure/property relationships and potential applications in key industries. From the contents: * Constitution * Thermophysical Constants * Phase Transformations and Microstructures * Deformation Behaviour * Strengthening Mechanisms * Creep * Fracture Behaviour * Fatigue * Oxidation Resistance and Related Issues * Alloy Design * Ingot Production and Component Casting * Powder Metallurgy * Wrought Processing * Joining * Surface Hardening * Applications and Component Assessment
Book Synopsis Gamma Titanium Aluminide Alloys 2014 by : Young-Won Kim
Download or read book Gamma Titanium Aluminide Alloys 2014 written by Young-Won Kim and published by John Wiley & Sons. This book was released on 2014-09-24 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of papers presented at the 4th International Symposium on Gamma TiAl Alloys (ISGTA 2014) that was held in conjunction with the 2014 Annual Meeting of The Minerals, Metals & Materials Society. Papers discuss and assess advances in application and implementation experience in current alloys, fundamental aspects in current gamma alloy materials technology, new processes development and assessment, and emerging new alloys, their potentials and limitations, and breakthroughs. Papers that originated in the panel discussion of the symposium are intended to help the scientific community realize the limitations of current alloys materials and processes and discuss possible solutions. Six topic areas selected for this purpose included: Wrought-processed alloys: status, dilemmas and pathways to future Cast alloys for aero engine applications: status, issues, and barriers to advances Cast alloys for turbocharger wheels: status and barriers to widespread applications Emerging new alloys: justification, potentials, status, and future Novel processes: justification, potential vs. realization issues, and future Future applications and realistic pathways to them
Book Synopsis Gamma Titanium Aluminides 2003 by : Young-Won Kim
Download or read book Gamma Titanium Aluminides 2003 written by Young-Won Kim and published by Minerals, Metals, & Materials Society. This book was released on 2003 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: A March 2003 meeting provided a forum for scientists to share information on progress in gamma TiAl alloys. Selected papers from the meeting, 77 in all, are presented here, and cover applications, fundamentals, alloy design and development, processing, joining, microstructure-property evaluation, an
Book Synopsis Gamma Titanium Aluminides by : Young-Won Kim
Download or read book Gamma Titanium Aluminides written by Young-Won Kim and published by Minerals, Metals, & Materials Society. This book was released on 1995 with total page 1036 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume publication is a comprehensive update of the fundamental and practical issues confronting the research, development and application of gamma titanium aluminides.
Book Synopsis Gamma Titanium Aluminides 1999 by : Young-Won Kim
Download or read book Gamma Titanium Aluminides 1999 written by Young-Won Kim and published by Minerals, Metals, & Materials Society. This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 106 papers were selected from the presentations and have undergone stringent peer review. They consider nearly every aspect of current gamma-alloy technology, such as fundamental science, alloy development and design, process development, flow and fracture, creep behavior, microstructure and property evaluation, environmental behavior, and applications. The specific topics include powder metallurgy structures for use in various high-temperature aerospace applications, experiments and atomistic simulations of the deformation of polysynthetically twinned single crystals with near-hard orientations, the interplay of thermodynamics and transformation kinetics on microstructure development, solid solution strengthening mechanisms, studying localized strain at notches using displacement mapping and microstructural characterization, and the influence of gaseous species on the oxidation behavior at high temperature. The illustrations tend to be of high quality.
Book Synopsis Gamma -Titanium Aluminide Manufactured by Electron Beam Melting by :
Download or read book Gamma -Titanium Aluminide Manufactured by Electron Beam Melting written by and published by . This book was released on 2010 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :The Minerals, Metals & Materials Society (TMS) Publisher :John Wiley & Sons ISBN 13 :1118356047 Total Pages :1046 pages Book Rating :4.1/5 (183 download)
Book Synopsis TMS 2012 141st Annual Meeting and Exhibition, Materials Processing and Interfaces by : The Minerals, Metals & Materials Society (TMS)
Download or read book TMS 2012 141st Annual Meeting and Exhibition, Materials Processing and Interfaces written by The Minerals, Metals & Materials Society (TMS) and published by John Wiley & Sons. This book was released on 2012-05-02 with total page 1046 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains papers relating to materials processing andinterfaces presented at various symposia at the 2012 TMSAnnual Meeting.
Book Synopsis Microstructural Analysis of Gamma-titanium Aluminide Based Intermetallic with Addition of Alumina Former Elements by : Emadella Rifai
Download or read book Microstructural Analysis of Gamma-titanium Aluminide Based Intermetallic with Addition of Alumina Former Elements written by Emadella Rifai and published by . This book was released on 2008 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of the Biocompatibility of Gamma Titanium Aluminide as an Implant Material by : Diego Ferney Castañeda Nuñez
Download or read book Evaluation of the Biocompatibility of Gamma Titanium Aluminide as an Implant Material written by Diego Ferney Castañeda Nuñez and published by . This book was released on 2003 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723456428 Total Pages :136 pages Book Rating :4.4/5 (564 download)
Book Synopsis Thermal Coatings for Titanium-Aluminum Alloys by : National Aeronautics and Space Administration (NASA)
Download or read book Thermal Coatings for Titanium-Aluminum Alloys written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium aluminides and titanium alloys are candidate materials for use in hot structure and heat-shield components of hypersonic vehicles because of their good strength-to-weight characteristics at elevated temperature. However, in order to utilize their maximum temperature capability, they must be coated to resist oxidation and to have a high total remittance. Also, surface catalysis for recombination of dissociated species in the aerodynamic boundary layer must be minimized. Very thin chemical vapor deposition (CVD) coatings are attractive candidates for this application because of durability and very light weight. To demonstrate this concept, coatings of boron-silicon and aluminum-boron-silicon compositions were applied to the titanium-aluminides alpha2 (Ti-14Al-21Nb), super-alpha2 (Ti-14Al-23-Nb-2V), and gamma (Ti-33Al-6Nb-1Ta) and to the titanium alloy beta-21S (Ti-15Mo-3Al-3Nb-0.2Si). Coated specimens of each alloy were subjected to a set of simulated hypersonic vehicle environmental tests to determine their properties of oxidation resistance, surface catalysis, radiative emittance, and thermal shock resistance. Surface catalysis results should be viewed as relative performance only of the several coating-alloy combinations tested under the specific environmental conditions of the LaRC Hypersonic Materials Environmental Test System (HYMETS) arc-plasma-heated hypersonic wind tunnel. Tests were also conducted to evaluate the hydrogen transport properties of the coatings and any effects of the coating processing itself on fatigue life of the base alloys. Results are presented for three types of coatings, which are as follows: (1) a single layer boron silicon coating, (2) a single layer aluminum-boron-silicon coating, and (3) a multilayer coating consisting of an aluminum-boron-silicon sublayer with a boron-silicon outer layer. Cunnington, George R. and Clark, Ronald K. and Robinson, John C. Langley Research Center ALUMINIDES; ENVIRONMENTAL TESTS; HYPERSONIC VEHI...
Book Synopsis Optimization and Characterization of Gamma Titanium Aluminide Sheets Produced by Hot Isostatic Pressing of Tape-cast Monotapes by : Alicia Gayle Adams
Download or read book Optimization and Characterization of Gamma Titanium Aluminide Sheets Produced by Hot Isostatic Pressing of Tape-cast Monotapes written by Alicia Gayle Adams and published by . This book was released on 2005 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A powder metallurgy route based on hot isostatic pressing (HIPing) of tape-cast monotapes was investigated for the direct fabrication of dense thin sheets of gamma titanium aluminide ([gamma]-TiAl)--Abstract, leaf iii.
Book Synopsis Gamma Titanium Aluminides by : International Symposium on Gamma Titanium Aluminides
Download or read book Gamma Titanium Aluminides written by International Symposium on Gamma Titanium Aluminides and published by . This book was released on with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scramjet Propulsion by : Dora Musielak
Download or read book Scramjet Propulsion written by Dora Musielak and published by John Wiley & Sons. This book was released on 2023-01-10 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scramjet Propulsion Explore the cutting edge of HAP technologies with this comprehensive resource from an international leader in her field Scramjet Propulsion: A Practical Introduction delivers a comprehensive treatment of hypersonic air breathing propulsion and its applications. The book covers the most up-to-date hypersonic technologies, like endothermic fuels, fuel injection and flameholding systems, high temperature materials, and TPS, and offers technological overviews of hypersonic flight platforms like the X-43A, X-51A, and HiFIRE. It is organized around easy-to-understand explanations of technical challenges and provides extensive references for the information contained within. The highly accomplished author provides readers with a fulsome description of the theoretical underpinnings of hypersonic technologies, as well as critical design and technology issues affecting hypersonic air breathing propulsion technologies. The book’s combination of introductory theory and advanced instruction about individual hypersonic engine components is ideal for students and practitioners in fields as diverse as hypersonic vehicle and propulsion development for missile defense technologies, launch aerospaceplanes, and civilian transports. Over 250 illustrations and tables round out the material. Readers will also learn from: A thorough introduction to hypersonic flight, hypersonic vehicle concepts, and a review of fundamental principles in hypersonic air breathing propulsion Explorations of the aerothermodynamics of scramjet engines and the design of scramjet components, as well as hypersonic air breathing propulsion combustors and fuels Analyses of dual-mode combustion phenomena, materials structures, and thermal management in hypersonic vehicles, and combined cycle propulsion An examination of CFD analysis, ground and flight testing, and simulation Perfect for researchers and graduate students in aerospace engineering, Scramjet Propulsion: A Practical Introduction is also an indispensable addition to the libraries of engineers working on hypersonic vehicle development seeking a state-of-the-art resource in one of the most potentially disruptive areas of aerospace research today.
Book Synopsis Titanium: Physical Metallurgy, Processing, and Applications by : F.H. Froes
Download or read book Titanium: Physical Metallurgy, Processing, and Applications written by F.H. Froes and published by ASM International. This book was released on 2015-02-01 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book covers all aspects of the history, physical metallurgy, corrosion behavior, cost factors and current and potential uses of titanium. The history of titanium is traced from its early beginnings through the work of Kroll, to the present day broadening market place. Extensive detail on extraction processes is discussed, as well as the various beta to alpha transformations and details of the powder metallurgy techniques.
