High-temperature ordered intermetallic alloys
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 structural intermetallics continue to be an active field of research because they offer the promise of structural properties, oxidation resistance and service …
High-temperature ordered intermetallic alloys
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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 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 …
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 … WebIntermetallic compounds with high melting temperatures are candidates for this application, but the obstacle of their limited ductility must first be overcome. Because the available …
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 … 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...
WebHigh-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 …
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... electrolyzer plantsWebMay 15, 1990 · Intermetallic compounds which are ductile at high temperatures are of great technological interest; however, purely experimental searches for improved intermetallic … electrolyzer spellingWebMay 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 … footages bigfilms oregon film pack downloadWebAug 24, 2003 · It has been noted 21 that the brittle B2 intermetallic compounds have high Poisson ratios, >0.35, and small anisotropy ratios (A) <0.8, where A = 2c 44 /(c 11 − c 12); … electromagentic compliance engineeringWebApr 14, 2024 · Nowadays, the vast majority of high-temperature components are based on nickel alloys, due to their high durability and standardized technology. Nevertheless, further improvements, such as structure or surface modification or industrialization of 3D printing, are mandatory to meet the requirements of the continuously expanding thermal barrier ... footage provided by buyer minutesWebFeb 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. electro-machiningWebFeb 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. footage recovery