METHOD OF LOCAL PROTECTION OF ARTICLE AGAINST GAS ALITIZING Russian patent published in 2004 - IPC

Abstract RU 2228969 C2

FIELD: chemical and heat treatment of heat-resistant alloys; mechanical engineering. SUBSTANCE: proposed method includes shielding of separate sections of article by application of ceramic sub-layer followed by application of layer of metallic protective agent; used as ceramic sub-layer is ZrO₂ Y₂O₂, 10 to 30 mcm thick and used as metallic protective agent is complex coat of MeCrAlY system, where Me-C0, Ni, 50-70 mcm thick. EFFECT: enhanced reliability of local protection. 1 dwg, 1 tbl, 1 ex

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RU 2 228 969 C2

Authors

Bashkatov I.G.

Kuznetsov V.P.

Lesnikov V.P.

Tsypkov S.V.

Dates

2004-05-20—Published

2002-08-26—Filed