Title of article
Fatigue behavior of a thermal barrier coated superalloy at 800 °C
Author/Authors
Ray، نويسنده , , A.K. and Dwarakadasa، نويسنده , , E.S. and Das، نويسنده , , D.K. and Ranganath، نويسنده , , V.R. and Goswami، نويسنده , , B. and Sahu، نويسنده , , J.K. and Whittenberger، نويسنده , , J.D.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
5
From page
294
To page
298
Abstract
Fatigue testing of thermal barrier coated (TBC), bond coated only and bare Superni C263 superalloy was conducted at 800 °C in air. Results reveal that the endurance limits for the TBC and bond coated substrate was substantially higher than that of the base alloy, while the opposite was found for high stress, low cyclic life times. It appears that the increase in endurance limit for the TBC and bond coated superalloy is due to load shifting to the bond coat, and the premature failure for these two materials is possibly due to high stress crack imitation/growth in the TBC/bond coat layers.
Keywords
bond coat , Substrate , STRESS , Crack growth , Endurance , Thermal barrier coating (TBC) , Superalloy , Fatigue
Journal title
MATERIALS SCIENCE & ENGINEERING: A
Serial Year
2007
Journal title
MATERIALS SCIENCE & ENGINEERING: A
Record number
2152113
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