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US 9,957,599 B2Granted
Coating compositions, methods and articles produced thereby
AssigneeEndurance Technologies, Inc.
InventorEugene Medvedovski
Life of this patent
Estimating the term…
Abstract
Powder compositions are described having, as constituents: an aluminum donor powder, an aluminum-containing activator powder comprising at least 50 wt. % KAlF4, and an inert filler powder. Related methods and coatings are also described.
Claims2
A coating architecture, wherein the coating architecture comprises a substrate, a transition layer having a first thickness, and one or more protective layers, wherein the one or more protective layers has a second thickness greater than about 25 μm and greater than the first thickness,
- wherein the one or more protective layers comprises a first zone proximate to the transition layer, and a second zone proximate to the first zone,
- wherein the first zone comprises 25-35 wt. % Al, the second zone comprises 40-55 wt. % Al, and the transition layer comprises about 3.5-10 wt. % Al, and
- wherein the transition layer has a hardness of about 300-675 HK0.1, and the one or more protective layers have a hardness of about 600-850 HK0.1.
Dependencies are inferred from the claim text.