Investigating of High Temperature Oxidation and Thermal Shock Properties of YSZ/Al2O3 Composite Thermal Barrier Coatings with Alumina Made by Solution Precursor Thermal Spray

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Taghi Ramezani Saeid; VALEFI ZIA; EHSANI NASER

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Journal: Journal of Advanced Processes in Materials Engineering Year:2021 | Volume:14 | Issue:4 (55) Page(s): 77-90

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Information Journal Paper

Title

Investigating of High Temperature Oxidation and Thermal Shock Properties of YSZ/Al2O3 Composite Thermal Barrier Coatings with Alumina Made by Solution Precursor Thermal Spray

Author(s)

Taghi Ramezani Saeid | VALEFI ZIA | EHSANI NASER | Issue Writer Certificate

Keywords

Thermal Barrier CoatingQ1

Alumina Diffusion BarrierQ1

Solution Precersoure Thermal SprayQ1

High Temperature OxidationQ1

Thermal ShockQ1

Abstract

In this research, a double layer Thermal Barrier Coating was applied and then an Alumina Diffusion Barrier layer was deposited on the YSZ by two solution precersore plasma and solution precersore flame spraying. High Temperature Oxidation and Thermal Shock resistance tests were done at 1100˚ C. Microstructure of coatings were studied by optical Microscopy and Field Emission Scanning Electron Microscopy. Comparison of the microstructures of coatings showed that applying of Alumina with the solution precursor flame spray process upgrades the thermal properties. High Temperature Oxidation and Thermal Shock resistance of YSZ/Al2O3 coatings with Alumina applied by the Solution Precersoure Thermal Spray with the same compound were studied. Findings showed that applying alumina with the solution precursor flame spray process leads to increase the amount of the deposited splats and proper contact between them, causes to decrease the diffusion of O2 and as a result TGO thickness decreases and also Thermal Shock resistance increases.

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APA: Copy

Taghi Ramezani, Saeid, VALEFI, ZIA, & EHSANI, NASER. (2021). Investigating of High Temperature Oxidation and Thermal Shock Properties of YSZ/Al2O3 Composite Thermal Barrier Coatings with Alumina Made by Solution Precursor Thermal Spray. ADVANCED PROCESSES IN MATERIALS, 14(4 (55) ), 77-90. SID. https://sid.ir/paper/408952/en

Vancouver: Copy

Taghi Ramezani Saeid, VALEFI ZIA, EHSANI NASER. Investigating of High Temperature Oxidation and Thermal Shock Properties of YSZ/Al2O3 Composite Thermal Barrier Coatings with Alumina Made by Solution Precursor Thermal Spray. ADVANCED PROCESSES IN MATERIALS[Internet]. 2021;14(4 (55) ):77-90. Available from: https://sid.ir/paper/408952/en

IEEE: Copy

Saeid Taghi Ramezani, ZIA VALEFI, and NASER EHSANI, “Investigating of High Temperature Oxidation and Thermal Shock Properties of YSZ/Al2O3 Composite Thermal Barrier Coatings with Alumina Made by Solution Precursor Thermal Spray,” ADVANCED PROCESSES IN MATERIALS, vol. 14, no. 4 (55) , pp. 77–90, 2021, [Online]. Available: https://sid.ir/paper/408952/en

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