High-temperature ordered intermetallic alloys
WebHigh-temperature structural intermetallics continue to be an active field of research because they offer the promise of structural properties, oxidation resistance and service … 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, …
High-temperature ordered intermetallic alloys
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WebJan 1, 1993 · High-temperature ordered intermetallic alloys V Full Record Related Research Abstract These proceedings represent the written record of the High-Temperature … WebSep 15, 2024 · In order to promote the transformation of alloys into intermetallic compounds, high temperature thermal treatment is usually required, followed by annealing under the protection of inert gases to maintain the ordered structure among the multi-metals and overcome the kinetic barrier of noble metal atom migration from particle interior to …
WebJul 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... WebFeb 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.
WebDec 10, 2024 · Accordingly, we realize the synthesis of highly ordered intermetallic catalysts by adopting a separate annealing protocol with a high-temperature alloying stage and a low-temperature ordering ... 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...
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 …
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 … shape bingo for preschoolersshape bingo for preschoolWebNov 9, 1984 · Many ordered intermetallic alloys have attractive high-temperature properties; however, low ductility and brittle fracture limit their use for structural applications. The … shape bingo lesson planWebJan 1, 2024 · The highly ordered crystal structure gives rise to low atomic mobility and sluggish diffusion in intermetallic alloys, all of which make them attractive for structural … shape bingo eyfsWebMay 15, 1990 · Intermetallic compounds which are ductile at high temperatures are of great technological interest; however, purely experimental searches for improved intermetallic … pontiac g8 fog light harnessWebApr 10, 2024 · This study produced a non-standard alloy of 85% Mg, 13.5% Al, and 1.5% Si by weight. In-depth microstructural, chemical, and morphological analyses of the secondary … pontiac g8 batteryWebJan 31, 2011 · Superalloys based on platinum-group metals are being developed for high-temperature applications. These alloys have two-phase structures comprising either ordered precipitates in a matrix analogous to the nickel-based superalloys or a fine dispersion of oxide particles in a matrix analogous to oxide-dispersion-strengthened … pontiac g8 for sale in louisiana