Microstructure and oxidation behaviour investigation of rhodium modified aluminide coating deposited on CMSX 4 superalloy
作者： MARYANA ZAGULA-YAVORSKA , JERZY MORGIEL , JOLANTA ROMANOWSKA , JAN SIENIAWSKI
DOI: 10.1111/JMI.12344
关键词:
摘要: The CMSX 4 superalloy was coated with rhodium 0.5-μm thick layer and next aluminized by the CVD method. coating consisted of two layers: additive interdiffusion one. outward diffusion nickel from substrate turned out to be a growth dominating factor. consists β-NiAl phase, whereas phase precipitates σ μ phases. Rhodium has dissolved in up same level matrix precipitates. oxidation test proved that modified aluminide showed about twice better resistance than nonmodified
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