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NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications

MCrAlX powder compositions (M = Ni,Co and X = Y, Hf, Si or combination) are often thermally sprayed via vacuum plasma spray (VPS), low pressure plasma spray (LPPS) or high velocity oxy-fuel to produce high temperature oxidation and hot corrosion resistant bond coats for thermal barrier coatings (TBC...

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Autores principales: Cojocaru, Cristian V., Aghasibeig, Maniya, Irissou, Eric
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8853232/
https://www.ncbi.nlm.nih.gov/pubmed/37520910
http://dx.doi.org/10.1007/s11666-022-01322-2
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author Cojocaru, Cristian V.
Aghasibeig, Maniya
Irissou, Eric
author_facet Cojocaru, Cristian V.
Aghasibeig, Maniya
Irissou, Eric
author_sort Cojocaru, Cristian V.
collection PubMed
description MCrAlX powder compositions (M = Ni,Co and X = Y, Hf, Si or combination) are often thermally sprayed via vacuum plasma spray (VPS), low pressure plasma spray (LPPS) or high velocity oxy-fuel to produce high temperature oxidation and hot corrosion resistant bond coats for thermal barrier coatings (TBCs). Cold spray technology is currently considered as a promising alternative to the traditional thermal spray solutions, having the advantage of delivering oxide-free and very dense metallic coatings at relatively lower costs compared to VPS and LPPS. NiCoCrAlY and NiCoCrAlYHfSi bond coats were deposited using a high pressure cold spray system and the influence of feedstock properties on the deposited bond coats were investigated. To improve NiCoCrAlYHfSi bond coat deposition, laser assisted cold spray (LACS) was employed. The results show that LACS can be successfully used to deposit this particular powder while eliminating nozzle erosion and low deposition efficiency disadvantages observed with conventional cold spray. To identify the optimal LACS setup for deposition of dense and uniform coatings, different laser/spray jet configurations were examined. TBCs with bond coats sprayed at the optimal configuration were assessed isothermally at 1150 °C in air for up to 500 h, and the results showed formation of a thermally grown oxide layer composed of predominantly Al(2)O(3) with embedded small clusters of Hf-Y-rich oxides.
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spelling pubmed-88532322022-02-18 NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications Cojocaru, Cristian V. Aghasibeig, Maniya Irissou, Eric J Therm Spray Tech Peer Reviewed MCrAlX powder compositions (M = Ni,Co and X = Y, Hf, Si or combination) are often thermally sprayed via vacuum plasma spray (VPS), low pressure plasma spray (LPPS) or high velocity oxy-fuel to produce high temperature oxidation and hot corrosion resistant bond coats for thermal barrier coatings (TBCs). Cold spray technology is currently considered as a promising alternative to the traditional thermal spray solutions, having the advantage of delivering oxide-free and very dense metallic coatings at relatively lower costs compared to VPS and LPPS. NiCoCrAlY and NiCoCrAlYHfSi bond coats were deposited using a high pressure cold spray system and the influence of feedstock properties on the deposited bond coats were investigated. To improve NiCoCrAlYHfSi bond coat deposition, laser assisted cold spray (LACS) was employed. The results show that LACS can be successfully used to deposit this particular powder while eliminating nozzle erosion and low deposition efficiency disadvantages observed with conventional cold spray. To identify the optimal LACS setup for deposition of dense and uniform coatings, different laser/spray jet configurations were examined. TBCs with bond coats sprayed at the optimal configuration were assessed isothermally at 1150 °C in air for up to 500 h, and the results showed formation of a thermally grown oxide layer composed of predominantly Al(2)O(3) with embedded small clusters of Hf-Y-rich oxides. Springer US 2022-02-14 2022 /pmc/articles/PMC8853232/ /pubmed/37520910 http://dx.doi.org/10.1007/s11666-022-01322-2 Text en © Crown 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Peer Reviewed
Cojocaru, Cristian V.
Aghasibeig, Maniya
Irissou, Eric
NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications
title NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications
title_full NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications
title_fullStr NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications
title_full_unstemmed NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications
title_short NiCoCrAlX (X = Y, Hf and Si) Bond Coats by Cold Spray for High Temperature Applications
title_sort nicocralx (x = y, hf and si) bond coats by cold spray for high temperature applications
topic Peer Reviewed
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8853232/
https://www.ncbi.nlm.nih.gov/pubmed/37520910
http://dx.doi.org/10.1007/s11666-022-01322-2
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