| 简介 |
PROBLEM TO BE SOLVED : To improve oxidation resistance of a Ni or Co-based superalloy turbine component.
SOLUTION : A bilayer protective coating 12 is formed on the surface of turbine components by depositing a first inner platinum aluminide layer 14 on the surface of the turbine components, and a second outer oxidation resistant layer 16 comprising an MCrAlX alloy over the first inner layer, wherein M is a metal selected from Fe, Ni and Co, and X is yttrium or another rare earth element.
COPYRIGHT : (C)2009, JPO&INPIT |
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