Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8030246 | Surface and Coatings Technology | 2013 | 7 Pages |
Abstract
⺠10% water vapor reduced 1100 °C lifetimes of APS TBCs on NiCoCrAlX bond coats. ⺠50% water vapor did not further decrease TBC lifetimes at 1100 °C. ⺠TBCs with HVOF NiCoCrAlYHfSi bond coats had improved lifetimes over NiCoCrAlY. ⺠Additions of trace amounts of La and Y to SX superalloys did not improve TBC life. ⺠Longer thermal cycle duration substantially increased total time to TBC failure.
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Authors
J.A. Haynes, K.A. Unocic, B.A. Pint,