Pt Ni Al bonding layer doped with binary trace active elements and capable of being completely oxidation resisting at 1200 DEG C and preparation method thereof
A technology of active elements and bonding layer, which is applied in the field of new thermal barrier coating bonding layer materials and its preparation, can solve problems affecting adhesion, improve bonding force, improve high temperature oxidation resistance, and improve high temperature resistance The effect of oxidation properties
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[0032] Example 1: PtNiAl coatings doped with binary trace active elements Hf and Zr were deposited on N5 nickel-based single crystal superalloy substrates.
[0033] Step 1: Prepare the base material
[0034] The base material used is N5 nickel-based single crystal superalloy, and the base alloy is cut into 10×8×3mm by wire cutting. 3 A hole with a diameter of 1 mm is cut at both ends of the sample, so that the sample can be hung on the support when the coating is prepared. Then, use 320#, 600#, 800# water-grinding paper to grind all the six surfaces of the substrate to make the surface roughness of the substrate Ra<0.8, round all 12 edges into rounded corners, and finally grind the substrate. The good substrate samples were ultrasonically cleaned with absolute ethanol and acetone for 15 minutes in turn, dried and used for later use.
[0035] Step 2: Electroplating or Electron Beam Physical Vapor Deposition of Pt Layer on the Substrate
[0036] (A) prepare Pt layer by elec...
Example Embodiment
[0049] Example 2 : PtNiAl coating doped with binary trace active elements Hf and Zr was deposited on IC211 nickel-based single crystal superalloy substrate.
[0050] Step 1: Prepare the base material
[0051] The base alloy used is IC211 nickel-based single crystal superalloy, and the base alloy is cut into 10×8×3mm by wire cutting method. 3 A hole with a diameter of 1 mm is cut at both ends of the sample, so that the sample can be hung on the support when the coating is prepared. Then, use 320#, 600#, 800# water-grinding paper to grind all the six surfaces of the substrate to make the surface roughness of the substrate Ra<0.8, round all 12 edges into rounded corners, and finally grind the substrate. The good substrate samples were ultrasonically cleaned with absolute ethanol and acetone for 15 minutes in turn, dried and used for later use.
[0052] Step 2: Electroplating or Electron Beam Physical Vapor Deposition of Pt Layer on the Substrate
[0053] (A) prepare Pt layer...
Example Embodiment
[0066] Example 3: A PtNiAl coating doped with binary trace active elements Hf and Zr was deposited on the DD6 nickel-based single crystal superalloy substrate.
[0067] Step 1: Prepare the base material
[0068] The alloy base used is DD6 nickel-based single crystal superalloy, and the base alloy is cut into a size of 10×8×3mm by wire cutting. 3 A hole with a diameter of 1 mm is cut at both ends of the sample, so that the sample can be hung on the support when the coating is prepared. Then, use 320#, 600#, 800# water-grinding paper to grind all the six surfaces of the substrate to make the surface roughness of the substrate Ra<0.8, round all 12 edges into rounded corners, and finally grind the substrate. The good substrate samples were ultrasonically cleaned with absolute ethanol and acetone for 15 minutes in turn, dried and used for later use.
[0069] Step 2: Electroplating or Electron Beam Physical Vapor Deposition of Pt Layer on the Substrate
[0070] (A) If the Pt la...
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