A fabrication of low diffused PtHf co-doped Ni-Al coating on Ni-based superalloy
Materials Letters(2023)
摘要
•NiPt-Hf layer provided Ni element required to form the coating.•There was no TCP phase precipitation in DAZ for PtHf co-doped γʹ coating.•The thickness of DAZ in PtHf co-doped γʹ+β coating was about 18 μm.•The proportion of β-NiAl in coating increased with the increase of Al layer thickness.
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关键词
Electrodeposition, Arc ion plating, Diffusion, Aluminum, Platinum, Microstructure
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