Examination of Ni-base superalloy diffusion couples containing multiphase regions
Henry, M. F.
CitationMaterials Science and Engineering A 407 (2005) 135–146
MetadataShow full item record
Four Ni-base superalloy diffusion couples with multiphase regions were studied. The diffusion couples contained single-phase (gamma ), two phase( gamma +MC carbide) and three-phase ( gamma + gamma prime+MC carbide) regions. Measured average composition profiles were in good agreement with the diffusion simulation predictions. The measured and predicted phase fraction profiles showed similar trends; however, there were some discrepancies in the predicted position of the gamma +gamma prime + MC/ gamma +MC boundary. Phase fraction profiles and optical metallography were used to determine the type and direction of the moving phase region boundaries.
This item URIhttp://hdl.handle.net/11256/22
Other Related URIhttp://dx.doi.org/10.1016/j.msea.2005.07.016
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