Method for reducing corrosion of components exposed to high-temperature water
AssigneeGeneral Electric Company
InventorsPeter L. Andresen, Leonard W. Niedrach
Life of this patent
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Abstract
A method for lowering the corrosion potential on components formed from carbon steel, alloy steel, stainless steel, nickel based alloys, or cobalt based alloys, and exposed to high-temperature water comprised of oxidizing species, comprising: providing a reducing species in the high temperature water that can combine with the oxidizing species, and forming the component to have a catalytic layer of a platinum group metal.
Claims9
A method of lowering the corrosion potential of a component formed from an alloy from the group consisting of carbon steel, alloy steel, stainless steel, nickel-based alloys, and cobalt-based alloys, and exposed to high-temperature water comprised of oxidizing species that substantially increase the corrosion potential of the component, the method comprising:
- forming the component to have a catalytic layer of a platinum group metal, and providing a reducing species that can combine with the oxidizing species in the water to reduce the corrosion potential of the component.
A method of reducing stress corrosion cracking of a component formed from an alloy from the group consisting of carbon steel, alloy steel, stainless steel, nickel-based alloys, and cobalt-based alloys, and exposed to high-temperature water comprised of oxidizing species, the method comprising:
- forming the component to have a catalytic layer of a platinum group metal, and providing a reducing species that can combine with the oxidizing species in the water to reduce the corrosion potential of the component below a critical potential.
A method of reducing stress corrosion cracking of a nuclear reactor component formed from an alloy from the group consisting of carbon steel, alloy steel, stainless steel, nickel-based alloys, and cobalt-based alloys, and exposed to high-temperature water comprised of oxidizing species, the method comprising:
- forming the component to have a catalytic layer of a platinum group metal, and providing a reducing species that can combine with the oxidizing species in the water to reduce the corrosion potential of the component below a critical potential.
Dependencies are inferred from the claim text.