Interdiffusion Between Ni-Based Superalloy and MCrAlY Coating |
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| Journal | Defect and Diffusion Forum (Volumes 258 - 260) |
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| Volume | Diffusion in Solids and Liquids |
| 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., 2006, Defect and Diffusion Forum, 258-260, 73 |
| Online since | October, 2006 |
| Authors | K.V. Dahl, J. Hald, A. Horsewell |
| Keywords | DICTRA, Interdiffusion, MCrAlY, Ni Superalloys |
| Abstract | 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. |
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