Interdiffusion Between Ni-Based Superalloy and MCrAlY Coating

Abstract:

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Interdiffusion at the interface between a Co-36.5Ni-17.5Cr-8Al-0.5Y, MCrAlY coating and the underlying IN738 superalloy was studied in a large matrix of specimens isothermally heat treated for up to 12,000 hours at temperatures 875°C, 925°C or 950°C. Modelled results using the finite difference software DICTRA was compared with experimental average composition profiles measured across the interface using a new experimental approach.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 258-260)

Edited by:

Andreas Öchsner and José Grácio

Pages:

73-78

DOI:

10.4028/www.scientific.net/DDF.258-260.73

Citation:

K.V. Dahl et al., "Interdiffusion Between Ni-Based Superalloy and MCrAlY Coating", Defect and Diffusion Forum, Vols. 258-260, pp. 73-78, 2006

Online since:

October 2006

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Price:

$35.00

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