Improvement of corrosion resistance of DC PEO coating on AZ80 magnesium alloy through two-step PEO process combined with laser cleaning

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F26%3A0197041" target="_blank" >RIV/00216305:26310/26:0197041 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0257897225002099?utm_campaign=STMJ_219742_AUTH_SERV_PA&utm_medium=email&utm_acid=284596425&SIS_ID=&dgcid=STMJ_219742_AUTH_SERV_PA&CMX_ID=&utm_in=DM544181&utm_source=AC_" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0257897225002099?utm_campaign=STMJ_219742_AUTH_SERV_PA&utm_medium=email&utm_acid=284596425&SIS_ID=&dgcid=STMJ_219742_AUTH_SERV_PA&CMX_ID=&utm_in=DM544181&utm_source=AC_</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.surfcoat.2025.131935" target="_blank" >10.1016/j.surfcoat.2025.131935</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Improvement of corrosion resistance of DC PEO coating on AZ80 magnesium alloy through two-step PEO process combined with laser cleaning

Popis výsledku v původním jazyce

This paper deals with the influence of a two-step PEO process combined with laser cleaning method used on the AZ80 magnesium alloy. The main aim is to improve the corrosion behavior of the porous coating in an aggressive chloride environment. Additionally, formation of secondary PEO coating was optimized in terms of the PEO preparation time. Corrosion characteristics of prepared surfaces were evaluated by electrochemical impedance spectroscopy (EIS) measurements during 168 h of exposure and potentiodynamic polarization (PDP) tests at the laboratory temperature in 0.1 M NaCl solution. Morphology and thickness of PEO coatings was analyzed by scanning electron microscopy (SEM). Laser cleaning as a precursor to optimized secondary PEO coating improved barrier effect as well as the corrosion resistance of the AZ80 alloy due to increased protection in an aggressive environment.

Název v anglickém jazyce

Improvement of corrosion resistance of DC PEO coating on AZ80 magnesium alloy through two-step PEO process combined with laser cleaning

Popis výsledku anglicky

This paper deals with the influence of a two-step PEO process combined with laser cleaning method used on the AZ80 magnesium alloy. The main aim is to improve the corrosion behavior of the porous coating in an aggressive chloride environment. Additionally, formation of secondary PEO coating was optimized in terms of the PEO preparation time. Corrosion characteristics of prepared surfaces were evaluated by electrochemical impedance spectroscopy (EIS) measurements during 168 h of exposure and potentiodynamic polarization (PDP) tests at the laboratory temperature in 0.1 M NaCl solution. Morphology and thickness of PEO coatings was analyzed by scanning electron microscopy (SEM). Laser cleaning as a precursor to optimized secondary PEO coating improved barrier effect as well as the corrosion resistance of the AZ80 alloy due to increased protection in an aggressive environment.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20506 - Coating and films

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

SURFACE & COATINGS TECHNOLOGY

ISSN

0257-8972

e-ISSN

1879-3347

Svazek periodika

502

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

16

Strana od-do

—

Kód UT WoS článku

001436146800001

EID výsledku v databázi Scopus

2-s2.0-85218457239