High-temperature ordered intermetallic alloys
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 β phases formed in the MgAlSi alloy were conducted. The formation processes of the intermetallic phases were also examined. Image processing was applied to the obtained … WebMay 15, 1990 · Intermetallic compounds which are ductile at high temperatures are of great technological interest; however, purely experimental searches for improved intermetallic …
High-temperature ordered intermetallic alloys
Did you know?
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... 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, 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 … 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.
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. 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 ...
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.
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: how many satchels per door rustWebFeb 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 … how did apple get createdWebDec 31, 1997 · The present conference on high-temperature ordered intermetallic alloys discusses alloy theory and phase stability, defects and microstructures, mechanical … how did appeasement lead to warWebJan 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 … how did appeasement lead to ww2 essayWeb- High Temperature Ordered Intermetallic Alloys Viii Volume 552... how did a power loom workWebAug 26, 1993 · Mechanical behaviour of ion–irradiated ordered intermetallic compounds. Three–phase [&bgr; + &bgr;' + y'] Ni–AI–Ti–[Cr,Fe] alloys for high temperature use. High … how did apostle matthias dieWebHigh-temperature structural materials e.g. nickel aluminide, Ni 3 Al Dental amalgams, which are alloys of intermetallics Ag 3 Sn and Cu 3 Sn Gate contact / barrier layer for … how did apostle philip die