New Phases in a Multicomponent High Ruthenium Single Crystal Superalloy

Abstract:

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Three unusual Ru-rich phases have been identified in a multicomponent Ni-base single crystal superalloy, including a L21 Ru2AlTa Heusler phase, a B2 RuAl phase and a hcp Re(Ru)-rich δ phase. These phases have their own preferential precipitation location within the dendritic structure. No conventional topologically-close-packed (TCP) phases have been observed with thermal exposure at 950oC for 1500 hours.

Info:

Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

655-660

DOI:

10.4028/www.scientific.net/MSF.475-479.655

Citation:

Q. Feng et al., "New Phases in a Multicomponent High Ruthenium Single Crystal Superalloy", Materials Science Forum, Vols. 475-479, pp. 655-660, 2005

Online since:

January 2005

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Price:

$35.00

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