1992
DOI: 10.1007/bf00553381
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Synthesis, properties and applications of titanium aluminides

Abstract: Attractive elevated-temperature properties and low density make the titanium aluminides very interesting for both engine and airframe applications, particularly in the aerospace industry. The challenge to the materials scientist is to maintain these characteristics while building-in "forgiveness". The basic phase diagram and crystal structure of both the Ti3AI and TiAI phases are reviewed, followed by a consideration of chemistry-processing-microstructuredeformation/fracture-mechanical property relationships i… Show more

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Cited by 59 publications
(76 citation statements)
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“…3 Al/TiAl-Based Surface Alloys. Bulk Ti 3 Al/TiAl-based alloys have several advantages over conventional Ti alloys, such as higher elastic modulus, lower density, better mechanical properties at elevated temperatures, and higher oxidation resistance [39]. These properties of Ti-Al intermetallics make them suitable for use as structural protective coatings.…”
Section: Multilayer [Zr/ti]/ti-6al-4vmentioning
confidence: 99%
“…3 Al/TiAl-Based Surface Alloys. Bulk Ti 3 Al/TiAl-based alloys have several advantages over conventional Ti alloys, such as higher elastic modulus, lower density, better mechanical properties at elevated temperatures, and higher oxidation resistance [39]. These properties of Ti-Al intermetallics make them suitable for use as structural protective coatings.…”
Section: Multilayer [Zr/ti]/ti-6al-4vmentioning
confidence: 99%
“…3 Oxide passive films formed on aluminum and aluminum alloys in air protect the surface against further oxidation and corrosion. [4][5][6] This passivating effect is responsible for their successful use as engineering materials. They are also used in various types of microelectronic devices.…”
Section: Introductionmentioning
confidence: 99%
“…For this reason (Ti, Al)N has become one of the choice coating materials for cutting tools, especially for dry and high speed cutting. Ti-Al films have also drawn substantial attention since coatings of the low density intermetallic phases TiAl and Ti 3 Al, which are promising structural materials for high temperature aerospace and engine applications, have a potential for high temperature applications [4][5][6]. Nevertheless, the Ti-Al-N system still offers other interesting possibilities for coating developments such as the addition of low N contents to Ti-Al films in order to reach a good compromise between high hardness and a low friction coefficient.…”
Section: Introductionmentioning
confidence: 99%