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    Chromate-free ceramic coating compositions for hot corrosion protection of superalloy substrates

    Neue Suche nach: BELOV IRINA
    Neue Suche nach: TANG ZHIHONG
    Neue Suche nach: FITZWATER BRIAN
    Neue Suche nach: 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

    Neue Suche nach: BELOV IRINA
    Neue Suche nach: TANG ZHIHONG
    Neue Suche nach: FITZWATER BRIAN
    Neue Suche nach: 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

    Neue Suche nach: BELOV IRINA
    Neue Suche nach: TANG ZHIHONG
    Neue Suche nach: FITZWATER BRIAN
    Neue Suche nach: 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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    Titel:

    Chromate-free ceramic coating compositions for hot corrosion protection of superalloy substrates

    Beteiligte:

    BELOV IRINA (Autor:in) / TANG ZHIHONG (Autor:in) / FITZWATER BRIAN (Autor:in) / COPELAND DARYL G (Autor:in)

    Erscheinungsdatum:

    27.12.2022

    Medientyp:

    Patent

    Format:

    Elektronische Ressource

    Sprache:

    Englisch

    Klassifikation:

    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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