Publication result detail

Improvement of electrochemical corrosion characteristics of AZ61 magnesium alloy with unconventional fluoride conversion coatings

FINTOVÁ, S.; DRÁBIKOVÁ, J.; PASTOREK. F.; TKACZ, J.; KUBĚNA, I.; TRŠKO, L.; HADZIMA, B.; MINDA, J.; DOLEŽAL, P.; WASSERBAUER, J.; PTÁČEK, P.

Original Title

Improvement of electrochemical corrosion characteristics of AZ61 magnesium alloy with unconventional fluoride conversion coatings

English Title

Improvement of electrochemical corrosion characteristics of AZ61 magnesium alloy with unconventional fluoride conversion coatings

Type

WoS Article

Original Abstract

Fluoride conversion coating was applied on wrought AZ61 magnesium alloy by the immersion of alloy in Na[BF4] molten salt. Two different temperatures 430 °C and 450 °C, and different treatment times of 0.5; 2 and 8 h were used for the coating preparation. The surface morphology and the cross-sections of the coatings were investigated by scanning electron microscopy, focused ion beam cutting and energy-dispersive X-ray spectroscopy. The electrochemical corrosion characteristics of coated material varied with processing conditions. A significant improvement of electrochemical corrosion properties of the AZ61 magnesium alloy coated with fluoride conversion coatings was revealed by the potentiodynamic tests and electrochemical impedance spectroscopy.

English abstract

Fluoride conversion coating was applied on wrought AZ61 magnesium alloy by the immersion of alloy in Na[BF4] molten salt. Two different temperatures 430 °C and 450 °C, and different treatment times of 0.5; 2 and 8 h were used for the coating preparation. The surface morphology and the cross-sections of the coatings were investigated by scanning electron microscopy, focused ion beam cutting and energy-dispersive X-ray spectroscopy. The electrochemical corrosion characteristics of coated material varied with processing conditions. A significant improvement of electrochemical corrosion properties of the AZ61 magnesium alloy coated with fluoride conversion coatings was revealed by the potentiodynamic tests and electrochemical impedance spectroscopy.

Keywords

Wrought AZ61 magnesium alloy; Potentiodynamic tests; Electrochemical impedance spectroscopy; Corrosion; Fluoride conversion coating

Key words in English

Wrought AZ61 magnesium alloy; Potentiodynamic tests; Electrochemical impedance spectroscopy; Corrosion; Fluoride conversion coating

Authors

FINTOVÁ, S.; DRÁBIKOVÁ, J.; PASTOREK. F.; TKACZ, J.; KUBĚNA, I.; TRŠKO, L.; HADZIMA, B.; MINDA, J.; DOLEŽAL, P.; WASSERBAUER, J.; PTÁČEK, P.

RIV year

2019

Released

15.01.2019

Publisher

Elsevier

ISBN

0257-8972

Periodical

SURFACE & COATINGS TECHNOLOGY

Volume

357

Number

1

State

Swiss Confederation

Pages from

638

Pages to

650

Pages count

13

URL

https://www.sciencedirect.com/science/article/pii/S0257897218311411

Full text in the Digital Library

http://hdl.handle.net/

BibTex

@article{BUT151345,
  author="FINTOVÁ, S. and DRÁBIKOVÁ, J. and PASTOREK. F. and TKACZ, J. and KUBĚNA, I. and TRŠKO, L. and HADZIMA, B. and MINDA, J. and DOLEŽAL, P. and WASSERBAUER, J. and PTÁČEK, P.",
  title="Improvement of electrochemical corrosion characteristics of AZ61 magnesium alloy with unconventional fluoride conversion coatings",
  journal="SURFACE & COATINGS TECHNOLOGY",
  year="2019",
  volume="357",
  number="1",
  pages="638--650",
  doi="10.1016/j.surfcoat.2018.10.038",
  issn="0257-8972",
  url="https://www.sciencedirect.com/science/article/pii/S0257897218311411"
}