Effect of Ru on Microstructure of a Single Crystal Nickel-Base Superalloy

Abstract:

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The effect of Ru on the microstructure of a high content refractory elements nickel base Superalloy has been studied in the present investigation. The results showed that, the adding of 3%Ru did not prevent the precipitation of TCP phase during high temperature exposure, and even accelerated the formation of TCP phase,however the addition of Ru decreased the growth rate of μ phase significantly. In addition, the adding of Ru decreased the solving temperature of γ/γ′ eutectic by 5°C, and increased the tendency of γ′ rafting during high temperature exposure.

Info:

Periodical:

Materials Science Forum (Volumes 546-549)

Edited by:

Yafang Han et al.

Pages:

1195-1200

DOI:

10.4028/www.scientific.net/MSF.546-549.1195

Citation:

W. Y. Ma et al., "Effect of Ru on Microstructure of a Single Crystal Nickel-Base Superalloy", Materials Science Forum, Vols. 546-549, pp. 1195-1200, 2007

Online since:

May 2007

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Price:

$35.00

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