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Erosion Performance...
Erosion Performance of Atmospheric Plasma Sprayed Thermal Barrier Coatings with Diverse Porosity Levels
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- Mahade, Satyapal, 1987- (author)
- Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),PTW
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- Venkat, Abhilash (author)
- SASTRA University, Thanjavur, Tamil Nadu (IND)
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- Curry, Nicholas (author)
- Thermal Spray Innovations, Salzburg, (AUT)
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- Leitner, Matthias (author)
- Thermal Spray Innovations, Althofen (AUT)
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- Joshi, Shrikant, 1960- (author)
- Högskolan Väst,Forskningsmiljön produktionsteknik(PTW),PTW
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(creator_code:org_t)
- 2021-01-14
- 2021
- English.
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In: Coatings. - : MDPI. - 2079-6412. ; 11:1, s. 1-21
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https://doi.org/10.3...
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https://hv.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Thermal barrier coatings (TBCs) prolong the durability of gas turbine engine componentsand enable them to operate at high temperature. Several degradation mechanisms limit the durability of TBCs during their service. Since the atmospheric plasma spray (APS) processed 7–8 wt.% yttria stabilized zirconia (YSZ) TBCs widely utilized for gas turbine applications are susceptible to erosion damage, this work aims to evaluate the influence of their porosity levels on erosion behavior. Eight different APS TBCs were produced from 3 different spray powders with porosity ranging from 14% to 24%. The as-deposited TBCs were examined by SEM analysis. A licensed software was used to quantify the different microstructural features. Mechanical properties of the as-deposited TBCs were evaluated using micro-indentation technique. The as-deposited TBCs were subjected to erosion tests at different angles of erodent impact and their erosion performance was evaluated. Based on the results, microstructure-mechanical property-erosion performance was correlated. Findings from this work provide new insights into the microstructural features desired for improved erosion performance of APS deposited YSZ TBCs.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Keyword
- Thermal barrier coating (TBC)
- erosion
- fracture toughness
- microstructure
- porosity
- atmospheric plasma spray
- Yttria-stabilized Zirconiaconia
- Production Technology
- Produktionsteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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