CHARACTERIZATION OF CERIA AND YTTRIA STABILIZED ZIRCONIA THERMAL BARRIER COATINGS ON IN 738 SUPERALLOY

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AHMADI PIDANI R.; RAZAVI R.SH.; MOZAFARINIA R.; JAMALI H.

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2012 | Volume:- | Issue:16 Page(s): 33-44

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Title

CHARACTERIZATION OF CERIA AND YTTRIA STABILIZED ZIRCONIA THERMAL BARRIER COATINGS ON IN 738 SUPERALLOY

Author(s)

AHMADI PIDANI R. | RAZAVI R.SH. | MOZAFARINIA R. | JAMALI H. | Issue Writer Certificate

Keywords

THERMAL BARRIER COATINGQ2

ATMOSPHERIC PLASMA SPRAYINGQ2

CERIA AND YTTRIA STABILIZED ZIRCONIAQ3

THERMAL INSULATIONQ3

Abstract

THERMAL BARRIER COATINGs (TBCs) in gas turbine engines are extensively used to produce THERMAL INSULATION for hot sections and to increase the turbine efficiency. The purpose of this investigation is the production and characterization of a two layer THERMAL BARRIER COATING consisting of CERIA AND YTTRIA STABILIZED ZIRCONIA (CYSZ) top coat and NiCoCrAlY bond coat on the superalloy substrate. For this scope, NiCoCrAlY bond coat followed by CYSZ coating were deposited on the substrates of IN 738 coupons by ATMOSPHERIC PLASMA SPRAYING (APS). Adhesion strength test was done similar to ASTM C633-01. To evaluate THERMAL INSULATION capability, the THERMAL INSULATION capacity test was performed. For coating characterization, microstructural investigation using field emission scanning electron microscope (FESEM) and phasic analysis using x-ray diffractometer (XRD) were performed. Results revealed that using atmospheric plasma spray process can fabricate the THERMAL BARRIER COATING with high THERMAL INSULATION capability.

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APA: Copy

AHMADI PIDANI, R., RAZAVI, R.SH., MOZAFARINIA, R., & JAMALI, H.. (2012). CHARACTERIZATION OF CERIA AND YTTRIA STABILIZED ZIRCONIA THERMAL BARRIER COATINGS ON IN 738 SUPERALLOY. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, -(16), 33-44. SID. https://sid.ir/paper/120971/en

Vancouver: Copy

AHMADI PIDANI R., RAZAVI R.SH., MOZAFARINIA R., JAMALI H.. CHARACTERIZATION OF CERIA AND YTTRIA STABILIZED ZIRCONIA THERMAL BARRIER COATINGS ON IN 738 SUPERALLOY. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2012;-(16):33-44. Available from: https://sid.ir/paper/120971/en

IEEE: Copy

R. AHMADI PIDANI, R.SH. RAZAVI, R. MOZAFARINIA, and H. JAMALI, “CHARACTERIZATION OF CERIA AND YTTRIA STABILIZED ZIRCONIA THERMAL BARRIER COATINGS ON IN 738 SUPERALLOY,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. -, no. 16, pp. 33–44, 2012, [Online]. Available: https://sid.ir/paper/120971/en

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