Erosion behaviour of platinum aluminide bond coat on directionally solidified CM247 and AM1 single crystal superalloys
Thermal barrier coatings system normally consists of substrate, a bond coat and a ceramic top coat. Platinum aluminide diffusion bond coat are extensively used in modern aero-engine. Sometimes bond coat is subjected to solid particle erosion. The objective of present work is to examine the influence...
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| Veröffentlicht in: | Surface & coatings technology 2022-01, Vol.429, p.127941, Article 127941 |
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| creator | Lakshmi, S. Gokul Swarup, K. Teja Das, D.K. Roy, Manish |
| description | Thermal barrier coatings system normally consists of substrate, a bond coat and a ceramic top coat. Platinum aluminide diffusion bond coat are extensively used in modern aero-engine. Sometimes bond coat is subjected to solid particle erosion. The objective of present work is to examine the influence of test conditions on the erosion response of platinum aluminide bond coat. The erosion rate of bond coat deposited on CM247 and AM1 alloy is evaluated as function of test temperature, impact velocity and impact angle in this work. The results show that coating on AM1 alloy exhibits better erosion resistance than that on CM247. In general, erosion response is brittle. At elevated temperatures, oxidation affected erosion dominates. The erosion rate of PtAl coating on both the substrates increases with increase in test temperature, impact velocity and impact angle.
•The solid particle erosion of platinum aluminide coatings different superalloys has been evaluated as function of eropsion condition.•Different materials removal mechanisms under different test conditions are identified. |
| doi_str_mv | 10.1016/j.surfcoat.2021.127941 |
| format | Article |
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•The solid particle erosion of platinum aluminide coatings different superalloys has been evaluated as function of eropsion condition.•Different materials removal mechanisms under different test conditions are identified.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/j.surfcoat.2021.127941</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Aluminides ; Aluminum coatings ; Bond coating ; Brittle erosion ; Ceramic bonding ; Ceramic coatings ; Diffusion welding ; Directional solidification ; Erosion ; Erosion rates ; Erosion resistance ; High temperature ; Impact angle ; Impact velocity ; Intermetallic compounds ; Oxidation ; Platinum ; Platinum aluminide coating ; Single crystals ; Substrates ; Superalloys ; Thermal barrier coatings</subject><ispartof>Surface & coatings technology, 2022-01, Vol.429, p.127941, Article 127941</ispartof><rights>2021</rights><rights>Copyright Elsevier BV Jan 15, 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-2b10ac12dd422592bcefbebbbafae0a6dee5d242c3b0908fb643806dd69c14913</citedby><cites>FETCH-LOGICAL-c340t-2b10ac12dd422592bcefbebbbafae0a6dee5d242c3b0908fb643806dd69c14913</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.surfcoat.2021.127941$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Lakshmi, S. Gokul</creatorcontrib><creatorcontrib>Swarup, K. Teja</creatorcontrib><creatorcontrib>Das, D.K.</creatorcontrib><creatorcontrib>Roy, Manish</creatorcontrib><title>Erosion behaviour of platinum aluminide bond coat on directionally solidified CM247 and AM1 single crystal superalloys</title><title>Surface & coatings technology</title><description>Thermal barrier coatings system normally consists of substrate, a bond coat and a ceramic top coat. Platinum aluminide diffusion bond coat are extensively used in modern aero-engine. Sometimes bond coat is subjected to solid particle erosion. The objective of present work is to examine the influence of test conditions on the erosion response of platinum aluminide bond coat. The erosion rate of bond coat deposited on CM247 and AM1 alloy is evaluated as function of test temperature, impact velocity and impact angle in this work. The results show that coating on AM1 alloy exhibits better erosion resistance than that on CM247. In general, erosion response is brittle. At elevated temperatures, oxidation affected erosion dominates. The erosion rate of PtAl coating on both the substrates increases with increase in test temperature, impact velocity and impact angle.
•The solid particle erosion of platinum aluminide coatings different superalloys has been evaluated as function of eropsion condition.•Different materials removal mechanisms under different test conditions are identified.</description><subject>Aluminides</subject><subject>Aluminum coatings</subject><subject>Bond coating</subject><subject>Brittle erosion</subject><subject>Ceramic bonding</subject><subject>Ceramic coatings</subject><subject>Diffusion welding</subject><subject>Directional solidification</subject><subject>Erosion</subject><subject>Erosion rates</subject><subject>Erosion resistance</subject><subject>High temperature</subject><subject>Impact angle</subject><subject>Impact velocity</subject><subject>Intermetallic compounds</subject><subject>Oxidation</subject><subject>Platinum</subject><subject>Platinum aluminide coating</subject><subject>Single crystals</subject><subject>Substrates</subject><subject>Superalloys</subject><subject>Thermal barrier coatings</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkMtOwzAQRS0EEuXxC8gS6xTbcZ1kR1WVh9SKDawtPybgKI2DnVTK3-MqsGY1m3PvzByE7ihZUkLFQ7OMY6iNV8OSEUaXlBUVp2doQcuiyvKcF-doQdiqyMqqYJfoKsaGEEITtUDHbfDR-Q5r-FJH58eAfY37Vg2uGw9YtePBdc4C1r6z-LQEJ9i6AGZIMdW2E46-ddbVDize7BkvsEroek9xdN1nC9iEKQ6qxXHsIaSEn-INuqhVG-H2d16jj6ft--Yl2709v27Wu8zknAwZ05QoQ5m1nLFVxbSBWoPWWtUKiBIWYGUZZybXpCJlrQXPSyKsFZWhvKL5Nbqfe_vgv0eIg2zSi-nsKJnIcyZYSatEiZkySUYMUMs-uIMKk6REnhzLRv45lifHcnacgo9zENIPRwdBRuOgMzALkta7_yp-AJVjivA</recordid><startdate>20220115</startdate><enddate>20220115</enddate><creator>Lakshmi, S. 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Gokul</creatorcontrib><creatorcontrib>Swarup, K. Teja</creatorcontrib><creatorcontrib>Das, D.K.</creatorcontrib><creatorcontrib>Roy, Manish</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Surface & coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lakshmi, S. Gokul</au><au>Swarup, K. Teja</au><au>Das, D.K.</au><au>Roy, Manish</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Erosion behaviour of platinum aluminide bond coat on directionally solidified CM247 and AM1 single crystal superalloys</atitle><jtitle>Surface & coatings technology</jtitle><date>2022-01-15</date><risdate>2022</risdate><volume>429</volume><spage>127941</spage><pages>127941-</pages><artnum>127941</artnum><issn>0257-8972</issn><eissn>1879-3347</eissn><abstract>Thermal barrier coatings system normally consists of substrate, a bond coat and a ceramic top coat. Platinum aluminide diffusion bond coat are extensively used in modern aero-engine. Sometimes bond coat is subjected to solid particle erosion. The objective of present work is to examine the influence of test conditions on the erosion response of platinum aluminide bond coat. The erosion rate of bond coat deposited on CM247 and AM1 alloy is evaluated as function of test temperature, impact velocity and impact angle in this work. The results show that coating on AM1 alloy exhibits better erosion resistance than that on CM247. In general, erosion response is brittle. At elevated temperatures, oxidation affected erosion dominates. The erosion rate of PtAl coating on both the substrates increases with increase in test temperature, impact velocity and impact angle.
•The solid particle erosion of platinum aluminide coatings different superalloys has been evaluated as function of eropsion condition.•Different materials removal mechanisms under different test conditions are identified.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.surfcoat.2021.127941</doi></addata></record> |
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| subjects | Aluminides Aluminum coatings Bond coating Brittle erosion Ceramic bonding Ceramic coatings Diffusion welding Directional solidification Erosion Erosion rates Erosion resistance High temperature Impact angle Impact velocity Intermetallic compounds Oxidation Platinum Platinum aluminide coating Single crystals Substrates Superalloys Thermal barrier coatings |
| title | Erosion behaviour of platinum aluminide bond coat on directionally solidified CM247 and AM1 single crystal superalloys |
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