Wear and Corrosion Properties of Pure Mo Coating Layer Manufactured by Atmospheric Plasma Spray Process

• Autorzy: Hwang Yu-Jin , Kim Yurian , Park Soon-Hong , Park Sung Cheol , Lee Kee-Ahn

Identyfikatory

DOI

10.24425/amm.2024.147790

• Języki publikacji: EN

Abstrakty

EN

A pure molybdenum (Mo) coating layer was manufactured by using the atmospheric plasma spray (APS) process and its wear and corrosion characteristics were investigated in this study. A Mo coating layer was prepared to a thickness of approximately 480 μm, and it had sound physical properties with a porosity of 2.9% and hardness of 434 Hv. Room temperature dry wear characteristics were measured through a ball-on-disk test under load conditions of 5 N, 10 N and 15 N. Based on the coefficient of friction graph at 5 N and 10 N, the oxides formed during wear functioned as a wear lubricant, thereby confirming an increase in wear resistance. However, at 15 N, wear behavior changed, and wear occurred due to splat pulling out. A potentiodynamic polarization test was conducted under an artificial seawater atmosphere, and E_corr and I_corr measured 0.717 V and 7.2E-5 A/cm², respectively. Corrosion mainly occurred at the splat boundary and pores that were present in the initial state. Based on the findings above, the potential application of APS Mo coating material was also discussed.

Słowa kluczowe

EN

thermal spray; atmospheric plasma spray; coating; molybdenum; wear; corrosion

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2024
• Tom: Vol. 69, iss. 1
• Strony: 81--85
• Opis fizyczny: Bibliogr. 18 poz., fot., rys.

Twórcy

autor

Hwang Yu-Jin

• Inha University, Department of Materials Science and Engineering, Incheon, 22212, Republic of Korea

• https://orcid.org/0000-0002-1174-9485

autor

Kim Yurian

• Inha University, Department of Materials Science and Engineering, Incheon, 22212, Republic of Korea

• https://orcid.org/0000-0001-8886-6068

autor

Park Soon-Hong

• POSCO Technical Research Laboratories, Gwangyang 57807, Republic of Korea

• https://orcid.org/0009-0006-3915-4068

autor

Park Sung Cheol

• Surface Treatment R&D Group, Korea Institute of Industrial Technology, Incheon, 21999, Republic of Korea

• https://orcid.org/0000-0003-1628-8427

autor

Lee Kee-Ahn

• Inha University, Department of Materials Science and Engineering, Incheon, 22212, Republic of Korea

• https://orcid.org/0000-0003-2149-3871

Bibliografia

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Uwagi

This work was supported by the technology innovation program (No. 20011286) funded by the Ministry of Trade, Industry & Energy (MOTIE), Korea.