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    Chromate-Free Ceramic Coating Compositions For Hot Corrosion Protection of Superalloy Substrates

    New search for: BELOV IRINA
    New search for: TANG ZHIHONG
    New search for: FITZWATER BRIAN
    New search for: COPELAND DARYL G

    Hexavalent chromium-free slurry formulations which are suitable in the production of ceramic overlay coating systems are described. The formulations provide superior hot corrosion and heat oxidation protection for superalloy substrates. A basecoat slurry and topcoat slurry are provided. The basecoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO4 higher than about 1:3 with the incorporation of metal oxide particles. The topcoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO4 higher than about 1:3. Both of the basecoat slurry and the topcoat slurry are hexavalent chromium-free.

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    Chromate-Free Ceramic Coating Compositions For Hot Corrosion Protection of Superalloy Substrates

    New search for: BELOV IRINA
    New search for: TANG ZHIHONG
    New search for: FITZWATER BRIAN
    New search for: COPELAND DARYL G

    Hexavalent chromium-free slurry formulations which are suitable in the production of ceramic overlay coating systems are described. The formulations provide superior hot corrosion and heat oxidation protection for superalloy substrates. A basecoat slurry and topcoat slurry are provided. The basecoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO4 higher than about 1:3 with the incorporation of metal oxide particles. The topcoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO4 higher than about 1:3. Both of the basecoat slurry and the topcoat slurry are hexavalent chromium-free.

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    Chromate-Free Ceramic Coating Compositions For Hot Corrosion Protection of Superalloy Substrates

    New search for: BELOV IRINA
    New search for: TANG ZHIHONG
    New search for: FITZWATER BRIAN
    New search for: COPELAND DARYL G

    Hexavalent chromium-free slurry formulations which are suitable in the production of ceramic overlay coating systems are described. The formulations provide superior hot corrosion and heat oxidation protection for superalloy substrates. A basecoat slurry and topcoat slurry are provided. The basecoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO4 higher than about 1:3 with the incorporation of metal oxide particles. The topcoat slurry includes an aluminum phosphate based aqueous solution having a molar ratio of Al:PO4 higher than about 1:3. Both of the basecoat slurry and the topcoat slurry are hexavalent chromium-free.

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    Title:

    Chromate-Free Ceramic Coating Compositions For Hot Corrosion Protection of Superalloy Substrates

    Contributors:

    BELOV IRINA (author) / TANG ZHIHONG (author) / FITZWATER BRIAN (author) / COPELAND DARYL G (author)

    Publication date:

    2020-11-12

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    English

    Classification:

    IPC:  C04B Kalk , LIME / B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL , Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein

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