High-temperature ordered intermetallic alloys
WebJan 19, 2024 · In the studied alloys, the values of δ vary from 6.26% to 4.81% while the values of Ω are between 1.43 and 2.34. As predicted by the criteria of Ω > 1.1 and δ < 6.6% in HEAs, the alloys should ... WebAug 2, 2024 · TiAl-based intermetallic alloys have come to the fore as the preferred alloys for high-temperature applications. Conventional methods (casting, forging, sheet forming, extrusion, etc.) have...
High-temperature ordered intermetallic alloys
Did you know?
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 13, 1998 · It has been found that alloys such as Ti-45AI-IONb (at.%) and Ti45A1-SNb have 1.25% flow stress values in compression of > 800 MPa at room temperature and > 500 MPa at 1173 K. When compared with values from a more conventional alloy, Ti-47A1-2Cr-0.2Si, they represent a considerable increase in strength.
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. WebSep 28, 2001 · Intermetallic compounds TiAl Physical properties Introduction Intermetallic compounds are attractive for a broad range of high temperature structural applications due to their high melting points, high strengths and good oxidation and creep resistances [1].
WebJan 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 … WebJan 1, 1993 · High-temperature ordered intermetallic alloys V Full Record Related Research Abstract These proceedings represent the written record of the High-Temperature …
WebApr 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 …
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 … bioinformatics uicWebFeb 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. daily inspection books for truck driversWeb- High Temperature Ordered Intermetallic Alloys Viii Volume 552... bioinformatics uconnWebUnlike most alloys, IC-221M increases in strength from room temperature up to 800 °C. The alloy is very resistant to heat and corrosion, and finds use in heat-treating furnaces and other applications where its longer lifespan and reduced corrosion give it an advantage over stainless steel. [14] daily inspection golf cart checklist formWebApr 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). daily inspections reportWebHigh-temperature structural intermetallics continue to be an active field of research because they offer the promise of structural properties, oxidation resistance and service … daily inspectionsWebSep 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 … bioinformatics uga