High-Speed Laser Patterning of YSZ Ceramic Substrates for Plasma Spraying: Microstructure Manipulation and Adhesion of YSZ Coatings

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F24%3A00616620" target="_blank" >RIV/61389021:_____/24:00616620 - isvavai.cz</a>

Alternative codes found

RIV/68407700:21340/24:00379700 RIV/49777513:23640/24:43974538

Result on the web

<a href="https://link.springer.com/article/10.1007/s11666-024-01852-x" target="_blank" >https://link.springer.com/article/10.1007/s11666-024-01852-x</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s11666-024-01852-x" target="_blank" >10.1007/s11666-024-01852-x</a>

Result language

angličtina

Original language name

High-Speed Laser Patterning of YSZ Ceramic Substrates for Plasma Spraying: Microstructure Manipulation and Adhesion of YSZ Coatings

Original language description

This paper introduces novel possibilities of using recently developed high-power lasers for high-speed surface periodic structuring/patterning of the ceramic substrates for the subsequent thermal spray coating deposition, which may be difficult to pattern using conventional methods. Yttria-stabilized zirconia (YSZ) was selected as model ceramic for both substrates and coating. Three different types of patterns were produced by three different laser technologies: dimples with nominal depth of 15 and 30 µm (pulsed nanosecond laser), grids with nominal depth of 15 and 30 µm (continuous wave laser), and pillars with nominal depth 30 µm (ultrashort pulsed femtosecond laser). All surface patterns were thoroughly periodical and their surface roughness ranged from Sa= 4.5 to 10.3 µm, significantly surpassing conventional grit-blasting. Pulsed and continuous wave lasers showed very high process rates (up to 54.5 mm2/s and 323.6 mm2/s, respectively) and tendency to develop network of shallow surface cracks. Ultrashort pulsed laser technology was slower (process rate 1.65 mm2/s) but the surface was crack-free with desirable miniature anchoring points. Plasma spraying was carried out with powder, solution, and suspension feedstocks providing an experimental matrix demonstrating potential benefits and risks of each pattern-feedstock combination. Not all combinations led to successful coating deposition, but results show that microstructure of the coating may be deliberately controlled by laser texturing, in particular periodic substrate pattern led to periodic coating microstructure in the case of suspension spraying. Also adhesion/cohesion of the coating to the substrate may be in many cases significantly improved by laser patterning of the substrate. The highest coating adhesion/cohesion strength (26.2 ± 4.8 MPa) was achieved for the coating deposited from solution on pillar patterns. Finally, a possibility to combine the high-speed and advanced surface morphology produced by continuous wave and femtosecond lasers, respectively, and direct patterning of plasma sprayed coating were also demonstrated. Graphical Abstract: (Figure presented.)

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20504 - Ceramics

Project

<a href="/en/project/TH75020001" target="_blank" >TH75020001: Advanced coating substrate preparation by shifted and ultrafast laser texturing</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Thermal Spray Technology

ISSN

1059-9630

e-ISSN

1544-1016

Volume of the periodical

33

Issue of the periodical within the volume

7

Country of publishing house

DE - GERMANY

Number of pages

19

Pages from-to

2331-2349

UT code for WoS article

001352497600001

EID of the result in the Scopus database

2-s2.0-85208950336