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US 11,970,779 B2Granted
Multilayered nickel-phosphorus composite
AssigneeENI S.p.A.
InventorsEdoardo Dellarole, Cosimo Mollica, Luca Magagnin, Federico Cuneo
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Abstract
An electroless composite coating has a layered structure alternating a metallic NiP layer and a composite NiP layer. A system includes the electroless composite coating and a substrate. A method of preparing the coating includes depositing a metallic NiP layer and a composite NiP layer on the substrate.
Claims20
An electroless composite coating, the coating comprising:
- a layered structure alternating a metallic NiP layer comprising Ni and P and a composite NiP layer,
- wherein the composite NiP layer comprises Ni, P and dispersed particles,
- wherein the dispersed particles are a blend comprising first and second particles, and
- wherein the first and the second particles are different in size and nature.
1 more element
An electroless composite coating, the coating comprising:
- a layered structure alternating a metallic NiP layer comprising Ni and P;
- a composite NiP layer comprising Ni, P and dispersed particles;
- and
- a further NiP layer or composite NiP layer.
1 more element
Dependencies are inferred from the claim text.