Review of Functionally Graded Thermal Sprayed Coatings

The paper briefly describes major thermal spray techniques used to spray functionally graded coatings such as atmospheric plasma spraying, high velocity oxy-fuel spraying, suspension and solution precursor plasma spraying, and finally low and high pressure cold gas spray method. The examples of comb...

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Main Authors:	Leszek Łatka, Lech Pawłowski, Marcin Winnicki, Pawel Sokołowski, Aleksandra Małachowska, Stefan Kozerski
Format:	Article
Language:	English
Published:	MDPI AG 2020-07-01
Series:	Applied Sciences
Subjects:	thermal spray coatings functional graded coatings application of thermal spray coatings
Online Access:	https://www.mdpi.com/2076-3417/10/15/5153

id	doaj-3f8e561050f146c2a375a98c329bea6a
record_format	Article
spelling	doaj-3f8e561050f146c2a375a98c329bea6a2020-11-25T03:48:37ZengMDPI AGApplied Sciences2076-34172020-07-01105153515310.3390/app10155153Review of Functionally Graded Thermal Sprayed CoatingsLeszek Łatka0Lech Pawłowski1Marcin Winnicki2Pawel Sokołowski3Aleksandra Małachowska4Stefan Kozerski5Faculty of Mechanical Engineering, Wrocław University of Science and Technology, 5 Łukasiewicza Street, 50-371 Wrocław, PolandIRCER, UMR CNRS 7315, Department of Physics, Faculty of Sciences and Technology, University of Limoges, 12, rue Atlantis, 87068 Limoges, FranceFaculty of Mechanical Engineering, Wrocław University of Science and Technology, 5 Łukasiewicza Street, 50-371 Wrocław, PolandFaculty of Mechanical Engineering, Wrocław University of Science and Technology, 5 Łukasiewicza Street, 50-371 Wrocław, PolandFaculty of Mechanical Engineering, Wrocław University of Science and Technology, 5 Łukasiewicza Street, 50-371 Wrocław, PolandFaculty of Mechanical Engineering, Wrocław University of Science and Technology, 5 Łukasiewicza Street, 50-371 Wrocław, PolandThe paper briefly describes major thermal spray techniques used to spray functionally graded coatings such as atmospheric plasma spraying, high velocity oxy-fuel spraying, suspension and solution precursor plasma spraying, and finally low and high pressure cold gas spray method. The examples of combined spray processes as well as some examples of post spray treatment including laser and high temperature treatments or mechanical one, are described. Then, the solid and liquid feedstocks used to spray and their properties are shortly discussed. The reviewed properties of functional coatings include: (i) mechanical (adhesion, toughness, hardness); (ii) physical (porosity, thermal conductivity and diffusivity, thermal expansion, photo-catalytic activity), and; (iii) bioactivity and simulated body fluid (SBF) corrosion. These properties are useful in present applications of functionally graded coatings as thermal barriers, the bioactive coatings in prostheses, photo-catalytic coatings in water treatment, coatings used in printing industry (anilox and corona rolls). Finally, some of the future possible fields of functional thermal sprayed coatings applications are discussed, e.g., to coat polymer substrates or to use the cheap technology of low pressure cold gas spray method instead of expensive technology of vacuum plasma spraying to obtain bond coatings.https://www.mdpi.com/2076-3417/10/15/5153thermal spray coatingsfunctional graded coatingsapplication of thermal spray coatings
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Leszek Łatka Lech Pawłowski Marcin Winnicki Pawel Sokołowski Aleksandra Małachowska Stefan Kozerski
spellingShingle	Leszek Łatka Lech Pawłowski Marcin Winnicki Pawel Sokołowski Aleksandra Małachowska Stefan Kozerski Review of Functionally Graded Thermal Sprayed Coatings Applied Sciences thermal spray coatings functional graded coatings application of thermal spray coatings
author_facet	Leszek Łatka Lech Pawłowski Marcin Winnicki Pawel Sokołowski Aleksandra Małachowska Stefan Kozerski
author_sort	Leszek Łatka
title	Review of Functionally Graded Thermal Sprayed Coatings
title_short	Review of Functionally Graded Thermal Sprayed Coatings
title_full	Review of Functionally Graded Thermal Sprayed Coatings
title_fullStr	Review of Functionally Graded Thermal Sprayed Coatings
title_full_unstemmed	Review of Functionally Graded Thermal Sprayed Coatings
title_sort	review of functionally graded thermal sprayed coatings
publisher	MDPI AG
series	Applied Sciences
issn	2076-3417
publishDate	2020-07-01
description	The paper briefly describes major thermal spray techniques used to spray functionally graded coatings such as atmospheric plasma spraying, high velocity oxy-fuel spraying, suspension and solution precursor plasma spraying, and finally low and high pressure cold gas spray method. The examples of combined spray processes as well as some examples of post spray treatment including laser and high temperature treatments or mechanical one, are described. Then, the solid and liquid feedstocks used to spray and their properties are shortly discussed. The reviewed properties of functional coatings include: (i) mechanical (adhesion, toughness, hardness); (ii) physical (porosity, thermal conductivity and diffusivity, thermal expansion, photo-catalytic activity), and; (iii) bioactivity and simulated body fluid (SBF) corrosion. These properties are useful in present applications of functionally graded coatings as thermal barriers, the bioactive coatings in prostheses, photo-catalytic coatings in water treatment, coatings used in printing industry (anilox and corona rolls). Finally, some of the future possible fields of functional thermal sprayed coatings applications are discussed, e.g., to coat polymer substrates or to use the cheap technology of low pressure cold gas spray method instead of expensive technology of vacuum plasma spraying to obtain bond coatings.
topic	thermal spray coatings functional graded coatings application of thermal spray coatings
url	https://www.mdpi.com/2076-3417/10/15/5153
work_keys_str_mv	AT leszekłatka reviewoffunctionallygradedthermalsprayedcoatings AT lechpawłowski reviewoffunctionallygradedthermalsprayedcoatings AT marcinwinnicki reviewoffunctionallygradedthermalsprayedcoatings AT pawelsokołowski reviewoffunctionallygradedthermalsprayedcoatings AT aleksandramałachowska reviewoffunctionallygradedthermalsprayedcoatings AT stefankozerski reviewoffunctionallygradedthermalsprayedcoatings
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Review of Functionally Graded Thermal Sprayed Coatings

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