High-temperature ordered intermetallic alloys

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August undefined, 2024

WebOSTI.GOV Conference: Advanced high-temperature alloys Advanced high-temperature alloys Full Record Related Research Abstract These proceedings contain 8 papers grouped under the headings of: Solidification; Rapidly solidified materials/particle metallurgy. Authors: Allen, S W; Pellous, R M; Widmer, R [1] + Show Author Affiliations Publication Date: WebNeeds for improved high-temperature structural materials are widespread, with much current attention to jet engines. Although ... subjected to high stresses and elevated temperatures are multiphase alloys where the strengthening phase is an intermetallic compound; ... the ordered intermetallic -NAI compound Ni3A1 [data a. from (2)] …

Thermal Barrier Coatings for High-Temperature Performance of …

WebFeb 21, 2011 · The oxidation of single crystal β-NiAl has been studied primarily using electron microscopy. Oriented metastable Al 2 O 3 phases form during transient oxidation at 800°C. WebSep 3, 2024 · Mo-Si compound-based ultrahigh temperature structural material (UHTM) is a new high-temperature structural material with great potential due to its high melting point, high hardness, and suitable density. As an important material to meet the demands of advanced high-temperature structural applications in the range 1200–1600 °C, in … cindy argentino

Intermetallic - Wikipedia

WebJan 1, 2001 · Our investigated Ti-46Al-9Nb alloy (all compositions in atomic percent) belongs to the group of so-called, TNB-alloys, which are currently intensively studied … WebHigh-temperature Ordered Intermetallic Alloys - Google Books High-temperature Ordered Intermetallic Alloys, Volume 7 Materials Research Society, 1997 - Heat resistant alloys 0 … WebNov 9, 1984 · Many ordered intermetallic alloys have attractive high-temperature properties; however, low ductility and brittle fracture limit their use for structural applications. The embrittlement in these alloys is mainly caused by an insufficient number of slip systems (bulk brittleness) and poor grain-boundary cohesion. cindy argueta

High-temperature ordered intermetallic alloys VII

Structural properties of ordered high-melting-temperature intermetallic …

WebDec 30, 2024 · Intermetallic γ-TiAl-based alloys are lightweight materials for high-temperature applications, e.g., in the aerospace and automotive industries. They can … WebFeb 4, 2024 · Intermetallic γ-TiAl-based alloys are lightweight materials for high-temperature applications, e.g., in the aerospace and automotive industries. They can replace much heavier Ni-based alloys at operating temperatures up to 750 °C. Advanced variants of this alloy class enable processing routes that include hot forming. These alloys consist of … cindy arias torranceWebFeb 26, 2011 · Their tensile and creep properties were studied after heat treatment to produce various microstructures containing ordered orthorhombic (O) [1], ordered beta (β o ), and α 2 phases. It was found that these alloys had higher specific strength from room temperature to 760°C than conventional α 2 alloys. cindy arlinghaus martin

"WebFeb 28, 2011 · The conclusions to be drawn from this paper are that ordered intermetallic alloys are very valuable materials for high temperature use, but engineers probably must … " - High-temperature ordered intermetallic alloys

High-temperature ordered intermetallic alloys

Ordered intermetallic compounds combining precious metals and ...

Webhigh temp metals will be closed beginning december 26th returning in the new year on january 2nd 2024. we wish you all a happy holiday season and look forward to a … WebFeb 28, 2011 · The conclusions to be drawn from this paper are that ordered intermetallic alloys are very valuable materials for high temperature use, but engineers probably must become more sophisticated in the use of materials with limited ductilities at low …

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WebAug 1, 2000 · Subsequent research identified NiAl as an ordered intermetallic material which revealed several attractive properties including low density (∼6 g / cm 3), high melting point (1911 K) and excellent oxidation resistance … WebHigh-temperature ordered intermetallic alloys IV; Proceedings of the 4th MRS Symposium, Boston, MA, Nov. 27-30, 1990. L. Johnson, D. Pope, J. Stiegler. Published 1991. Materials …

WebMay 15, 1990 · Intermetallic compounds which are ductile at high temperatures are of great technological interest; however, purely experimental searches for improved intermetallic materials are time consuming and expensive. Theoretical studies can shorten the experimental search by focusing on compounds with the desired properties. While current … WebOrdered intermetallic compounds based on aluminides and silicides constitute a unique class of metallic materials that have promising physical and mechanical properties for structural applications at elevated temperatures. ... Properties and performance, Superconductors, High-temperature alloys, Wear resistant alloys, Shape memory alloys, …

WebAug 24, 2003 · We have discovered high ductilities in twelve fully ordered, completely stoichiometric RM intermetallic compounds (where R = a rare earth and M = a main group or transition metal). These RM... WebApr 15, 2024 · γ-Titanium Aluminides (γ-TiAl) are intermetallic compounds extensively studied in recent years. This interest is due to their remarkable mechanical and thermophysical properties at high temperatures, such as high strength and stiffness, low coefficient of thermal expansion, high thermal conductivity, and high corrosion and …

WebDec 31, 1997 · The present conference on high-temperature ordered intermetallic alloys discusses alloy theory and phase stability, defects and microstructures, mechanical …

WebJan 1, 2024 · As a unique type of alloys, intermetallic materials with ordered superlattice structures have drawn tremendous attention in a broad range of modern industries due to their many unique structures and properties, including long-range ordering, strong atomic bonding, site-isolation effect, high strength, high melting points, good corrosion, and … diabetes indian meal planWebJul 27, 2024 · Intermetallic alloys potentially have high strength in a high-temperature environment. But they generally suffer poor ductility at ambient and low temperatures, hence limiting their... cindy arledgeWebApr 12, 2024 · In order to evaluate the oxidation behaviors of the Ti-6Al-4V substrate, TiC-AlSi12 coating and annealed TiC-AlSi12 coating. Cyclic oxidation tests were conducted in a high-temperature box resistance furnace at 850 °C, which was far more than the maximum service temperature of Ti-6Al-4V alloy (300-400 °C). cindy argentoWebMany ordered intermetallic alloys have attractive high-temperature properties; however, low ductility and brittle fracture limit their use for structural applications. The embrittlement in … cindy armesWebAug 26, 1993 · High Temperature Aluminides and Intermetallics Proceedings of the Second International ASM Conference on High Temperature Aluminides and Intermetallics, September 16-19, 1991, San Diego, CA, USA 1st Edition - August 26, 1993 Write a review Editors: S.H. Whang, D.P. Pope, C.T. Liu eBook ISBN: 9781483292571 Purchase options … cindy arielWebhigh-temperature ordered intermetallic alloys-vi part ii section ix: ni3ai—dislocations and atomic structure ... high temperature corrosion behavior of ni3al-based alloys 975 h. li, j.t. guo, w.h. lai, s.h. wang, and m.h. tan the effect of nitrogen on the oxidation of tial 981 diabetes in deprived areasWebHigh strength in the 1200-1800°F range, high temperature resistance, exceptional oxidation resistance. Rene 41 is a high-temperature alloy with nickel as its base component. It is … cindy arias