Alloys developed for high temperature applications

Alloys used for high temperatures applications require combinations of mechanical strength, microstructural stability and corrosion/oxidation resistance. Nickel base superalloys have been traditionally the prime materials utilized for hot section components of aircraft turbine engines. Nevertheless,...

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Bibliographic Details
Main Authors: Basuki, Eddy Agus, Prajitno, Djoko Hadi, Muhammad, Fadhli
Format: Conference Proceeding
Language:English
Subjects:
Aircraft components
Aircraft engines
Alloy development
Alloy systems
Corrosion prevention
Corrosion resistance
Dispersion hardening alloys
Dispersion hardening steels
Dispersion strengthening
Ferritic stainless steels
Heat resistant alloys
High temperature
Intermetallic compounds
Iron
Metallurgy
Nickel base alloys
Oxidation resistance
Oxide dispersion strengthening
Power plants
Precipitates
Protective coatings
Steam electric power generation
Titanium aluminides
Titanium base alloys
Turbine engines
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Summary:Alloys used for high temperatures applications require combinations of mechanical strength, microstructural stability and corrosion/oxidation resistance. Nickel base superalloys have been traditionally the prime materials utilized for hot section components of aircraft turbine engines. Nevertheless, due to their limited melting temperatures, alloys based on intermetallic compounds, such as TiAl base alloys, have emerged as high temperature materials and intensively developed with the main aim to replace nickel based superalloys. For applications in steam power plants operated at lower temperatures, ferritic high temperature alloys still attract high attention, and therefore, development of these alloys is in progress. This paper highlights the important metallurgical parameters of high temperature alloys and describes few efforts in the development of Fe-Ni-Al based alloys containing B2-(Fe,Ni)Al precipitates, oxide dispersion strengthening (ODS) ferritic steels and titanium aluminide based alloys include important protection system of aluminide coatings.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4974409