Influence of thickness and surface roughness on impact wear and impact lifetime of HVOF-sprayed coatings

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F24%3A00587443" target="_blank" >RIV/68081731:_____/24:00587443 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216224:14310/24:00138568 RIV/47718684:_____/24:10002306

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0257897224006893" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0257897224006893</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.surfcoat.2024.131058" target="_blank" >10.1016/j.surfcoat.2024.131058</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Influence of thickness and surface roughness on impact wear and impact lifetime of HVOF-sprayed coatings

Popis výsledku v původním jazyce

A number of industrial applications today require thermally sprayed coatings that exhibit good adhesion, high temperature and chemical resistance, and can withstand particle impacts or dynamic interactions with components. A common example of a high-velocity oxygen fuel (HVOF) sprayed coating with such the aforementioned properties is Cr3C2–25%NiCr. The objective of this study is to examine the impact of varying thicknesses and surface roughness on the impact lifetime and impact wear of Cr3C2–25%NiCr coatings. A series of Cr3C2–25%NiCr coatings were subject to analysis using a dynamic impact tester with impact loads of 200 N, 400 N, and 600 N. The results indicated that there exists an optimal coating thickness with the highest impact lifetime. The results were discussed using microstructural analysis of the impact coatings and finite element simulation. The maximum impact lifetime was achieved with the optimal combination of sample material properties, substrate mechanical properties, coating thickness, and residual stress. Furthermore, it was demonstrated that surface does not influence the impact lifetime of the coating, but does affect the accuracy of its determination.

Název v anglickém jazyce

Influence of thickness and surface roughness on impact wear and impact lifetime of HVOF-sprayed coatings

Popis výsledku anglicky

A number of industrial applications today require thermally sprayed coatings that exhibit good adhesion, high temperature and chemical resistance, and can withstand particle impacts or dynamic interactions with components. A common example of a high-velocity oxygen fuel (HVOF) sprayed coating with such the aforementioned properties is Cr3C2–25%NiCr. The objective of this study is to examine the impact of varying thicknesses and surface roughness on the impact lifetime and impact wear of Cr3C2–25%NiCr coatings. A series of Cr3C2–25%NiCr coatings were subject to analysis using a dynamic impact tester with impact loads of 200 N, 400 N, and 600 N. The results indicated that there exists an optimal coating thickness with the highest impact lifetime. The results were discussed using microstructural analysis of the impact coatings and finite element simulation. The maximum impact lifetime was achieved with the optimal combination of sample material properties, substrate mechanical properties, coating thickness, and residual stress. Furthermore, it was demonstrated that surface does not influence the impact lifetime of the coating, but does affect the accuracy of its determination.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20506 - Coating and films

Projekt

<a href="/cs/project/TH75020003" target="_blank" >TH75020003: Vývoj systémů „3D tisk-žárový nástřik“ pro dynamicky a cyklicky namáhané aplikace</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

Surface and Coatings Technology

ISSN

0257-8972

e-ISSN

1879-3347

Svazek periodika

488

Číslo periodika v rámci svazku

30 July

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

13

Strana od-do

131058

Kód UT WoS článku

001262670300001

EID výsledku v databázi Scopus

2-s2.0-85197043012