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Saturday, August 8, 2020 | History

3 edition of Development and endurance testing of high-temperature ceramic rectifiers and thyratrons found in the catalog.

Development and endurance testing of high-temperature ceramic rectifiers and thyratrons

Newton Daniel Jones

Development and endurance testing of high-temperature ceramic rectifiers and thyratrons

by Newton Daniel Jones

  • 273 Want to read
  • 7 Currently reading

Published by National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.] in Washington .
Written in English

    Subjects:
  • Gas tubes.,
  • Electric current rectifiers.,
  • Thyratrons.,
  • Electronic ceramics.

  • Edition Notes

    Statementby N. D. Jones.
    SeriesNASA contractor report, NASA CR-1684, NASA contractor report ;, NASA CR-1684.
    ContributionsGeneral Electric Company., Lewis Research Center.
    Classifications
    LC ClassificationsTL521.3.C6 A3 no. 1684
    The Physical Object
    Paginationv, 56 p.
    Number of Pages56
    ID Numbers
    Open LibraryOL4067054M
    LC Control Number79609824

    thin film sensor technology •very thin, minimally intrusive sensors able to provide high temperature data without disturbing air flow •can be fabricated directly on ceramic and metal engine parts without the need to cut into the part. •can be applied to metal based materials, ceramic materials, and ceramic matrix composites. •multifuntional, information rich sensors . COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle .

    MAX Phases and Ultra-High Temperature Ceramics for Extreme Environments investigates a new class of ultra-durable ceramic materials, which exhibit characteristics of both ceramics and metals. Readers will explore recent advances in the manufacturing of ceramic materials that improve their durability and other physical properties, enhancing. Jeelani, S, Mahfuz, H, Haque, A, & Salekeen, S. Development of capability for characterization of ceramic/ceramic composites. Part 2. (High-temperature characterization of SiCw/SiC composites and prediction of flexural properties by energy method). Final technical report, 1 Dec Nov United States.

    Topic 8: Advanced Thermal and Environmental Barrier Coatings: Processing, Properties, and Applications. in memoriam, Dongming Zhu. This symposium focuses on recent advances in ceramic thermal-barrier, environmental-barrier and multifunctional coatings for all types of high temperature ceramic matrix composite (CMC) applications. Then, the research and development directions of SiC-based high-temperature converters in the fields of motor drives, rectifier units, DC–DC converters are .


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Development and endurance testing of high-temperature ceramic rectifiers and thyratrons by Newton Daniel Jones Download PDF EPUB FB2

Development of HIGH- TEMPERATURE GAS-FILLED CERAMIC RECTIFIERS, THYRATRONS, AND VOLTAGE-REFERENCE TUBES byE. Baum SUMMARY Contract NAS is a continuation of the work started under Contract NAS for the development of high-temperature ceramic.

DEVELOPMENT AND INVERTER TESTING OF HIGH-TEMPERATURE CESIUM-VAPOR THYRATRONS by A. Coolidge, Jr. General Electric Company Tube Department SUMMARY An existing cesium-vapor thyratron design was modified with the goals of reducing the recovery time from to micrpseconds and of achiev- ing Ohours -life.

Development and endurance testing of high-temperature ceramic rectifiers and thyratrons. Development of high-temperature vapor-filled thyratrons and rectifiers.

Electric forum. Electricity on the farm Electronics, a new science for a new world. Development of HIGH- TEMPERATURE GAS-FILLED CERAMIC RECTIFIERS, THYRATRONS, AND VOLTAGE-REFERENCE TUBES byE. Baum SUMMARY The present phase of Contract NAS is directed at advancing the high-temperature tube technology and establishing basic design data and concepts for gas tubes operating in high-temperature.

This work deals with experimental characterisation of ultra-high-temperature ceramic materials for aerospace applications. Current research activities are focused on development and testing of new-class ultra-high-temperature ceramic matrix composites for near-zero ablation Thermal Protection Systems and near-zero erosion rocket by: 6.

General Electric Company: Development and endurance testing of high-temperature ceramic rectifiers and thyratrons, (Washington, National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], ), also by Newton Daniel Jones and Lewis Research Center (page.

High temperature mechanical testing of ultra high temperature materials, such as monolithic ceramics, ceramic matrix composites, and carbon — carbon composites, can be a very difficult task.

Many factors will influence the success or failure of the test, including the mechanical test system, heating system, gripping system, testpiece design. The interfacial reaction between the ceramic substrates and alloys occurred at high temperature.

Though the ceramics had different microstructures, similar continuous Y 2 O 3 reaction layer with thicknesses of about 25 μm at the alloy-ceramic interface in MgO, Al 2 O 3, and ZrO 2 systems formed. UHTCs have high temperature capabilities (> °C / °F) •.

Material selection should be based on appropriate testing of matured material in relevant environment. Concerns about monolithic UHTC properties are being addressed by processing and engineering improvements (ceramic matrix composites [CMCs]). High Temperature Materials Performance Testing Lucideon offers high temperature testing up to °C to determine the variation in mechanical properties for a range of ceramic, metallic and composite materials.

@article{osti_, title = {The development and field testing of a high temperature ceramic recuperator}, author = {Childs, F W and Sohal, M S}, abstractNote = {Under cost-shared funding with the US Department of Energy and the Gas Research Institute, AiResearch Manufacturing Company, Torrance, California has developed a ceramic/metallic hybrid.

high temperature ceramics and ceramic composites Introduction Since the early ’s, there has been increasing interest in the development of high temperature.

The effects of various mechanical, microstructural, and environmental factors on high-temperature fatigue fracture are also reviewed. The chapter seeks to provide a state-of-the-art review of the mechanics and micromechanisms of high-temperature crack growth in ceramics and discontinuously reinforced ceramic composites.

applications. However, the availability of ceramic coatings applied to the heating elements for high temperature applications (heating temperatures well in excess of °C) are limited.

Further, the present ceramic coatings used for high temperature IRHT trial applications have shown thermal degradation and consequently, limited life. Push the boundaries of high-temperature testing MTS high-temperature materials testing solutions are integral to the development of ceramic matrix composites and other materials that will spur a new generation of high-efficiency jet engine turbines.

SOLUTIONS FOR NEW AND ESTABLISHED LABS As a mentor for new labs, MTS can help. Tel: Fax: Email: [email protected] 47th Street, Brooklyn, NY The first comprehensive book to focus on ultra-high temperature ceramic materials in more than 20 years.

Ultra-High Temperature Ceramics are a family of compounds that display an unusual combination of properties, including extremely high melting temperatures (>°C), high hardness, and good chemical stability and strength at high temperatures.

Ultra-high-temperature ceramics (UHTCs) are a class of refractory ceramics that offer excellent stability at temperatures exceeding °C being investigated as possible thermal protection system (TPS) materials, coatings for materials subjected to high temperatures, and bulk materials for heating elements.

Broadly speaking, UHTCs are borides, carbides, nitrides, and oxides of. Sample PDF $ List Price: $ Chapter 6 Processing Methods for Ultra High Temperature Ceramics (pages ) J.K. Sonber, T.S.R. Murthy, C. Subramanian, R.C.

Hubli, A.K. Suri Ultra. Global population growth and tremendous economic development has brought us to the crossroads of long-term sustainability and risk of irreversible changes in the ecosystem. Energy efficient and ecofriendly technologies and systems are critically needed for further growth and sustainable development.

While ceramic matrix composites were originally developed to. High Temperature Data Retention (HTDR), per Section High Temperature Operating Life (HTOL), per Section and Q Test B1 High Temperature Program/Erase Endurance Cycling per Section and Q Test B3.- Development and Environment Relevant Testing of Ultra High Temperature Ceramic Matrix Composites based on Airbus Group C/SiC "SICARBON(TM)" Stephan Schmidt-Wimmer, Airbus Defence & Space, Germany - Coffee break Session Chair: William Fahrenholtz, Missouri University of Science and Technology, USA.High-temperature coatings have not been the specific subject of standards development, and many of the standards developed for other applications have been used where appropriate.

The status of standard testing and analysis procedures varies with the specific aspect of coating technology considered and is summarized in the following section.