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Thursday, July 30, 2020 | History

2 edition of Role of refractory metal alloys in fusion reactor applications found in the catalog.

Role of refractory metal alloys in fusion reactor applications

D. J. Mazey

Role of refractory metal alloys in fusion reactor applications

review

by D. J. Mazey

  • 270 Want to read
  • 25 Currently reading

Published by Atomic Energy Research Establishment in Harwell .
Written in English


Edition Notes

StatementD.J. Mazey and C.A. English.
SeriesAERE-R11317
ContributionsEnglish, C. E.
ID Numbers
Open LibraryOL13839443M

In nuclear fusion power research, the plasma-facing material (or materials) (PFM) is any material used to construct the plasma-facing components (PFC), those components exposed to the plasma within which nuclear fusion occurs, and particularly the material used for the lining the first wall or divertor region of the reactor vessel.. Plasma-facing materials for fusion reactor designs must. refractory metals to meet the needs of their major steel producers, aeronautic manufacturers, gas and oil pipeline manufacturers and automotive industries, where the demand of refractory metals is high and increasing. The task of establishing the relationship between reserves and consumption (i.e., number of years supply remaining.

Refractory Alloys (also called scale-resistant alloys), metallic alloys that are resistant to intensive corrosion in air or other gaseous mediums at high temperatures. They are used as the construction material for moderately stressed parts of heating devices and energy installations, as well as for resistance heating elements. Refractory alloys have a. Refractory alloys Summary. 3 é, NEA SMINS, ¾Fusion reactor program in the ’80s: –Refractory metals and alloys are most suitable for special applications (plasma facing materials, coatings) 25 Perspectives for refractory alloys.

of experimental work will be limited to six alloys within the refractory alloys domain, and at least one of them will be refractory HEA. The amount of literature review will also be limited to the essential topics related to refractory HEAs and simpler refractory alloys (relative to refractory HEAs, or conventional refractory alloys). The main objective is to increase the lining life at reduced cost by developing: a) High quality refractory for critical applications in steel making at e.g. slag line, impact area of molten steel stream, bottom tuyere refractory in hybrid blowing, immersion nozzles in continuous costing etc.


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Role of refractory metal alloys in fusion reactor applications by D. J. Mazey Download PDF EPUB FB2

The role of the refractory metal alloys in relation to their possible application for future thermonuclear fusion reactor systems is considered in this review.

Assessment of the availability and properties of the refractory metals indicates that alloys of vanadium, niobium and molybdenum are most likely to play a major role in reactor by: Refractory metals are a class of metals that are extraordinarily resistant to heat and expression is mostly used in the context of materials science, metallurgy and definition of which elements belong to this group differs.

The most common definition includes five elements: two of the fifth period (niobium and molybdenum) and three of the sixth period (tantalum. The role of the refractory metal alloys in relation to their possible application for future thermonuclear fusion reactor systems is considered in this review.

The metallurgical aspects of the. Refractory metals for nuclear application. Refractory metals and alloys, here targeting Nb, Ta, V, Mo, W, and their alloys, are candidates for high-temperature applications of aerospace, cladding, and structural materials for fission reactors, and first wall, blanket, and divertor materials for fusion by: 2.

Nb is a refractory bcc metal with important applications in engineered alloys for radiation resistant materials in helium (He)-or sodium (Na)-cooled Generation IV reactors [29], compact space.

@article{osti_, title = {Refractory metals fabrication technology as applied to fusion reactors}, author = {}, abstractNote = {Activities are reported in research programs on inspection and fabricion of refractory metals and alloys including those of Mo, Nb, Ta, and V.

Progress is summarized in sections on blanking, edge preparation. Fusion reactors will produce a severe operating environment for structural materials.

The material should have good mechanical strength and ductility to high temperature, be corrosion resistant to the local environment, have attractive thermophysical properties to accommodate high heat loads, and be resistant to neutron damage. Vanadium alloys are being developed for such applications, and Cited by: li ‘9 NASA Technical Memorandum Thermal Aging Effects in, Refractory Metal Alloys [NASA-T#) THERMAL AGING EPFECTS IN BEFRACTOBY rlE’IAL ALLOYS (NASA) 28 p XC A33/MF A31 CSCL 11F N Unclas G3/26 Joseph R.

Stephens. @article{osti_, title = {Compatibility of materials for use in liquid-metal blankets of fusion reactors}, author = {Chopra, O K and Tortorelli, P F}, abstractNote = {A review of corrosion and environmental effects on the mechanical properties of austenitic and ferritic steels for use with liquid metals in fusion reactors is presented.

Among these materials, refractory metals and alloys having capability to withstand high temperatures and high neutron wall loads have been considered to get high power density in fusion reactors.

However, these materials have insufficient technological database and are very expensive compared to by: 6. Even the best alloys can't last forever, so we applied statistical thermodynamics to materials science and found a better way to dope zirconium alloys to use in fuel rod cladding.

Aluminum used in nuclear reactors and other harsh environments may last longer with new treatment a metal widely used for high-temperature reactor. Anticipated developments in the consumer energy market have led developers of nuclear energy concepts to consider how innovations in energy technology can be adapted to meet consumer needs.

Properties of molten lead or lead-bismuth alloy coolants in lead-cooled fast reactor (LFR) systems offer potential advantages for reactors with passive safety characteristics, modular deployment, and fuel. Metal balls made from certain alloys can also provide corrosion resistance and refractory resistance.

Metal Foils and Foil Stock Metal foils and foil stock are very thin, metal-mill products with a thickness that is usually less than in.

Copper foil and aluminum. Committee B10 on Reactive and Refractory Metals and Alloys. published in the Annual Book of ASTM Standards, Volume Standards and Work Items below.

These standards have and continue to play a preeminent role in all aspects important to the industry including: compositions, properties, dimensions, classification, nomenclature. refractory metal alloys and composites that will provide base line information for space power systems in the _s and the 21st c_ntury.

Basic research •on the tensile and creep properties of fibers, matrices, and composites will be discussed. • j.". In order to evaluate the suitability of the titanium alloys as structural materials for a fusion reactor, we have considered first the problems coming from neutron-induced radioactivity, and then we have characterized a Ti-6Al4V alloy from the mechanical point of view, in different conditions (temperature, strain rate, morphology).

Size: 1MB. Ceramics, refractory metals I (Session chair: ez) 14h00 - 14h30 Ferraris Joining and Integration Issues of Ceramics and CMC for Nuclear Applications K p 14h30 - 14h50 Capriotti / Manara Experimental Characterization of the Melting of Refractory Oxides: A Laser Heating Investigation of Nuclear Materials C p 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. Refractory Metal Alloys: Metallurgy and Technology; Symposium Proceedings, April,Washington, D.C., on *FREE* shipping on qualifying cturer:.

Refractory Metals and Alloys. For applications where high melting points, good strength at elevated temperatures, good thermal and electrical conductivity, low coefficient of expansion, and low vapor pressure at elevated temperatures are required (e.g. furnace components, heat exchangers/coils, welding electrodes, etc.).Refractory & Platinum Metals Plasma Processes offers a broad range of platinum and refractory metal components and coatings with application in medical instrumentation.

Metals such as iridium and tantalum exhibit bio-compatible properties.Refractory metal alloys, metallurgy and technology: Proceedings of a Symposium on Metallurgy and Technology of Refractory Metals held in Washington, D.C.