refractory metal alloys topics by science gov
Chemical vapor deposition of refractory ternary nitrides
Abstract. Refractory ternary nitride films for diffusion barriers in microelectronics have been grown using chemical vapor deposition. Thin films of titanium-silicon-nitride tungsten-boron-nitride and tungsten-silicon-nitride of various compositions have been deposited on 150 mm Si wafers.
Get PriceTungsten and refractory metals 3 proceedingsINIS
en The Third International Conference on Tungsten and Refractory Metals was held in Greater Washington DC at the McLean Hilton McLean ia on November 15--16 1995. This meeting was the third in a series of conferences held in the Washington DC area. The first meeting was in 1992 and was entitled International Conference on Tungsten and Tungsten Alloys.
Get PriceMolybdenum alloys for glass-to-metal seals
ELSEVIER International Journal of Refractory Metals Hard Materials 16 (1998) 13-22 Molybdenum alloys for glass-to-metal seals G. Leichtfried G. Thurner R. Weirather Plansee Aktiengesellschafr A-6600 Reutte Austria Received 13 October 1997 accepted 7 January 1998 Abstract
Get PriceMaterials Science Forum p. 56 Scientific
Materials Science Forum Vols. 70-72. Edited by B. Siribumrungsukha et al. Description Rare earth oxides rare earth compounds and rare earth elements find a wide range of applications in metals glasses ceramics and electronics. Demands for high-purity separated rare earth oxides and metals with a purity of up to 99.999 is growing.
Get Price22nd Annual Conference on Fossil Energy Materials netl
Integrated Design of Refractory Metal Based Alloys for Fossil Energy Applications Omer Dogan National Energy Technology Laboratory Manuscript Presentation The Wear and Corrosion of the High Chrome Oxide Linings used in Air-Cooled Slagging Coal Gasifiers Cynthia Powell National Energy Technology Laboratory Manuscript Presentation
Get PriceCopper alloyspowder for additive manufacturing
CuCr1Zr in additive manufacturingfor high strength and a good conductivity. Using this copper alloy powder high strength and wear resistant components can be printed. In comparison with pure Copper components can stand higher temperatures and show a decreased tendency to tarnish. The material is used in electrical contact technology as
Get PriceChromium processingThe metal and its alloys Britannica
Chromium processingChromium processingThe metal and its alloys By far the greatest use of chromium is as a ferrochromium alloying agent in steel manufacture. Pure chromium is added to nonferrous alloys and is also applied as a corrosion-resistant surfacing for other metals. Chromium surfaces are produced on other metals by electroplating and chromizing.
Get PriceRefractory Metals and Alloys Properties and Selection
All refractory metals except osmium and iridium have the highest melting temperatures and lowest vapor pressures of all metals. This Article discusses the commercial applications and production procedures of refractory metals and alloys. These procedures include fabrication machining forming cleaning joining and coatings.
Get PriceProperties Composition and Production of Metal Alloys
Mar 02 2020 · Some metal alloys occur naturally and require little processing to be converted into industrial-grade materials. Ferro-alloys such as Ferro-chromium and Ferro-silicon for instance are produced by smelting mixed ores and are used in the production of various steels. Yet one would be mistaken to think that alloying metals is a simple process.
Get Pricecontainment refractory systems Topics by Science.gov
Refractory lining for electrochemical cell. DOEpatents. Blander Milton Cook Glenn M. . Apparatus for processing a metallic fluid containing iron oxide container for a molten metal including an electrically conductive refractory disposed for contact with the molten metal which contains iron oxide an electrolyte in the form of a basic slag on top of the molten metal an electrode
Get Pricecontainment refractory systems Topics by Science.gov
Refractory lining for electrochemical cell. DOEpatents. Blander Milton Cook Glenn M. . Apparatus for processing a metallic fluid containing iron oxide container for a molten metal including an electrically conductive refractory disposed for contact with the molten metal which contains iron oxide an electrolyte in the form of a basic slag on top of the molten metal an electrode
Get PriceRefractory Alloysan overview ScienceDirect Topics
Refractory metals and alloys are difficult to prepare as they exhibit low grinding and polishing rates and are easily deformed or smeared during preparation. Regardless of their actual indentation hardness which is not high cutting of refractory metals such as Mo and its alloys is slow and tedious.
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Materials Engineering and Manufacturing. NETL is internationally recognized for its leadership in designing developing and deploying advanced materials for use in energy applications and extreme service environments. Of particular note is NETL s ability to design engineer and evaluate materials at size and time regimes ranging from
Get PriceMolybdenum Statistics and InformationUSGS.gov Science
Molybdenum (Mo) is a refractory metallic element used principally as an alloying agent in steel cast iron and superalloys to enhance hardenability strength toughness and wear and corrosion resistance. To achieve desired metallurgical properties molybdenum primarily in the form of molybdic oxide or ferromolybdenum is frequently used in combination with or added to
Get PriceChromium processingThe metal and its alloys Britannica
Chromium processingChromium processingThe metal and its alloys By far the greatest use of chromium is as a ferrochromium alloying agent in steel manufacture. Pure chromium is added to nonferrous alloys and is also applied as a corrosion-resistant surfacing for other metals. Chromium surfaces are produced on other metals by electroplating and chromizing.
Get PriceMetals Used in Medical Devices FDA
Metals and metal alloys are commonly used in implanted medical devices and in inserts like amalgam dental fillings and these materials are sometimes in contact with parts of the body for extended
Get PriceChromium processingThe metal and its alloys Britannica
Chromium processingChromium processingThe metal and its alloys By far the greatest use of chromium is as a ferrochromium alloying agent in steel manufacture. Pure chromium is added to nonferrous alloys and is also applied as a corrosion-resistant surfacing for other metals. Chromium surfaces are produced on other metals by electroplating and chromizing.
Get Price22nd Annual Conference on Fossil Energy Materials netl
Integrated Design of Refractory Metal Based Alloys for Fossil Energy Applications Omer Dogan National Energy Technology Laboratory Manuscript Presentation The Wear and Corrosion of the High Chrome Oxide Linings used in Air-Cooled Slagging Coal Gasifiers Cynthia Powell National Energy Technology Laboratory Manuscript Presentation
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castable refractory block Topics by Science.gov. Design and development of advanced castable refractory materials. NASA Astrophysics Data System (ADS) Davis Robert Bruce. New formulations of castable refractory composite materials were studied. This technology is used to produce low cost composite concrete structures designed for high
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Engineering Solutions for Space Science and Exploration. MSFC s Electrostatic Levitation . refractory metals superalloys ceramics oxides glasses elemental metals binary and tertiary alloys. Sample size 1–3 mm (0.039–0.12 in.) diameter. Atmosphere vacuum (10 –8. torr) neutral gases to ≤5 atm.
Get PriceRefractory Metals Properties Types and Applications
Apr 03 2014 · Refractory metals are widely used in various applications because of their unique and desirable properties and behaviors not least of which is their resistance to corrosion. This group of metals also has extraordinary resistance to wear and heat. These metals are mostly used in the field of engineering science and metallurgy.
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Processing of primary and secondary resources for the recovery of minerals and metals of strategic nature. Mechanics of metal processing deformation and hot workability- zirconium cobalt and refractory alloys and evaluation of fracture toughness of nuclear structural components . Microstructural and mechanical properties corelation
Get PriceSBIR Phase II Reactive and Refractory Metal Processing
The broader impact/commercial potential of this project will be the creation of new methods for development of specialist and advanced reactive and refractory alloys. Currently there is no economically viable route for these alloys to move from small lab-scale experiments to use in large-scale commercial applications.
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Processing of primary and secondary resources for the recovery of minerals and metals of strategic nature. Mechanics of metal processing deformation and hot workability- zirconium cobalt and refractory alloys and evaluation of fracture toughness of nuclear structural components . Microstructural and mechanical properties corelation
Get PriceRadioisotope Power Systems ORNL
The Radioisotope Power Systems Program at ORNL has a nearly 50-year history of materials development (refractory metal alloys and carbon bonded carbon fiber) and the fabrication of unique components for the Department of Energy NASA and other government agencies. In addition to production activities the Program provides a wide range of
Get PriceBetter Refractory Formulations through Accelerated
Feb 19 2021 · Better Refractory Formulations through Accelerated Scientific Discovery. In an article written for Industrial Heating Magazine Tina Kaarsberg technology manager for the Advanced Manufacturing Office (AMO) at the U.S. Department of Energy s Office of Energy Efficiency and Renewable Energy (EERE) discusses research and development advances
Get PriceMolybdenum alloys for glass-to-metal seals
ELSEVIER International Journal of Refractory Metals Hard Materials 16 (1998) 13-22 Molybdenum alloys for glass-to-metal seals G. Leichtfried G. Thurner R. Weirather Plansee Aktiengesellschafr A-6600 Reutte Austria Received 13 October 1997 accepted 7 January 1998 Abstract
Get PriceRefractory Alloysan overview ScienceDirect Topics
Refractory and dense materials such as molybdenum tungsten and rhenium are candidates for use in nuclear applications. For nuclear fusion reactor concepts in particular dense refractory alloys that are resistant to liquid metals and that have good thermal conductivity are essential for efficient heat transfer.
Get PriceRadioisotope Power Systems ORNL
The Radioisotope Power Systems Program at ORNL has a nearly 50-year history of materials development (refractory metal alloys and carbon bonded carbon fiber) and the fabrication of unique components for the Department of Energy NASA and other government agencies. In addition to production activities the Program provides a wide range of
Get PriceMaterials Engineering and Manufacturing netl.doe.gov
Materials Engineering and Manufacturing. NETL is internationally recognized for its leadership in designing developing and deploying advanced materials for use in energy applications and extreme service environments. Of particular note is NETL s ability to design engineer and evaluate materials at size and time regimes ranging from
Get PriceNatural-mixing guided design of refractory high-entropy
Refractory high-entropy alloys have drawn particular attention due to their high melting points and excellent softening resistance which are the two key requirements for high-temperature applications. Their compositional space is immense even after considering cost and recyclability restrictions providing abundant design opportunities.
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