Characterization of thermally grown oxide on cold sprayed CoNiCrAlY bond coat in thermal barrier coating

Abreeza Noorlina Abd. Manap, Dowon Seo, Kazuhiro Ogawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

This paper presents the results of a study of the microstructure and oxidation behavior of thermal barrier coating (TBC) with air plasma sprayed (APS) yttria-stabilized zirconia (YSZ) top coat and CoNiCrAlY bond coat deposited using two different spraying techniques, low pressure plasma spray (LPPS) and cold spray (CS). The objective is to investigate the thermally grown oxide (TGO) thickness and oxide scale composition of TBC subjected to isothermal oxidation and creep tests at 900 °C by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectrometry (EDX) analyses in order to evaluate the reliability of the CS technique. It was found that the TGO thicknesses for TBC with CS bond coats were smaller and the TGO was composed of mainly alumina with little or no mixed oxides. TGO growth rate was also affected by the applied stress. Smaller TGO thicknesses were observed for the noncreep TBC for both CS and LPPS bond coats. Overall findings indicate that the oxidation behavior of the TBC with CS bond coat is superior compared to that of the TBC with LPPS bond coat.

Original languageEnglish
Title of host publicationHigh-Temperature Oxidation and Corrosion 2010, ISHOC-10
Pages324-329
Number of pages6
DOIs
Publication statusPublished - 11 Oct 2011
Event3rd International Symposium on High-Temperature Oxidation and Corrosion, ISHOC-10 - Zushi, Japan
Duration: 08 Nov 201011 Nov 2010

Publication series

NameMaterials Science Forum
Volume696
ISSN (Print)0255-5476

Other

Other3rd International Symposium on High-Temperature Oxidation and Corrosion, ISHOC-10
CountryJapan
CityZushi
Period08/11/1011/11/10

Fingerprint

Thermal barrier coatings
Oxides
sprayers
coatings
oxides
Plasmas
low pressure
Oxidation
oxidation
Aluminum Oxide
Yttria stabilized zirconia
creep tests
Spraying
spraying
mixed oxides
yttria-stabilized zirconia
Creep
x ray spectroscopy
Alumina
Transmission electron microscopy

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Abd. Manap, A. N., Seo, D., & Ogawa, K. (2011). Characterization of thermally grown oxide on cold sprayed CoNiCrAlY bond coat in thermal barrier coating. In High-Temperature Oxidation and Corrosion 2010, ISHOC-10 (pp. 324-329). (Materials Science Forum; Vol. 696). https://doi.org/10.4028/www.scientific.net/MSF.696.324
Abd. Manap, Abreeza Noorlina ; Seo, Dowon ; Ogawa, Kazuhiro. / Characterization of thermally grown oxide on cold sprayed CoNiCrAlY bond coat in thermal barrier coating. High-Temperature Oxidation and Corrosion 2010, ISHOC-10. 2011. pp. 324-329 (Materials Science Forum).
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Abd. Manap, AN, Seo, D & Ogawa, K 2011, Characterization of thermally grown oxide on cold sprayed CoNiCrAlY bond coat in thermal barrier coating. in High-Temperature Oxidation and Corrosion 2010, ISHOC-10. Materials Science Forum, vol. 696, pp. 324-329, 3rd International Symposium on High-Temperature Oxidation and Corrosion, ISHOC-10, Zushi, Japan, 08/11/10. https://doi.org/10.4028/www.scientific.net/MSF.696.324

Characterization of thermally grown oxide on cold sprayed CoNiCrAlY bond coat in thermal barrier coating. / Abd. Manap, Abreeza Noorlina; Seo, Dowon; Ogawa, Kazuhiro.

High-Temperature Oxidation and Corrosion 2010, ISHOC-10. 2011. p. 324-329 (Materials Science Forum; Vol. 696).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - This paper presents the results of a study of the microstructure and oxidation behavior of thermal barrier coating (TBC) with air plasma sprayed (APS) yttria-stabilized zirconia (YSZ) top coat and CoNiCrAlY bond coat deposited using two different spraying techniques, low pressure plasma spray (LPPS) and cold spray (CS). The objective is to investigate the thermally grown oxide (TGO) thickness and oxide scale composition of TBC subjected to isothermal oxidation and creep tests at 900 °C by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectrometry (EDX) analyses in order to evaluate the reliability of the CS technique. It was found that the TGO thicknesses for TBC with CS bond coats were smaller and the TGO was composed of mainly alumina with little or no mixed oxides. TGO growth rate was also affected by the applied stress. Smaller TGO thicknesses were observed for the noncreep TBC for both CS and LPPS bond coats. Overall findings indicate that the oxidation behavior of the TBC with CS bond coat is superior compared to that of the TBC with LPPS bond coat.

AB - This paper presents the results of a study of the microstructure and oxidation behavior of thermal barrier coating (TBC) with air plasma sprayed (APS) yttria-stabilized zirconia (YSZ) top coat and CoNiCrAlY bond coat deposited using two different spraying techniques, low pressure plasma spray (LPPS) and cold spray (CS). The objective is to investigate the thermally grown oxide (TGO) thickness and oxide scale composition of TBC subjected to isothermal oxidation and creep tests at 900 °C by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectrometry (EDX) analyses in order to evaluate the reliability of the CS technique. It was found that the TGO thicknesses for TBC with CS bond coats were smaller and the TGO was composed of mainly alumina with little or no mixed oxides. TGO growth rate was also affected by the applied stress. Smaller TGO thicknesses were observed for the noncreep TBC for both CS and LPPS bond coats. Overall findings indicate that the oxidation behavior of the TBC with CS bond coat is superior compared to that of the TBC with LPPS bond coat.

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BT - High-Temperature Oxidation and Corrosion 2010, ISHOC-10

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Abd. Manap AN, Seo D, Ogawa K. Characterization of thermally grown oxide on cold sprayed CoNiCrAlY bond coat in thermal barrier coating. In High-Temperature Oxidation and Corrosion 2010, ISHOC-10. 2011. p. 324-329. (Materials Science Forum). https://doi.org/10.4028/www.scientific.net/MSF.696.324