Study on the Properties of TiC Coating Deposited by Spark Discharge on the Surface of AlFeCoCrNiCu High-Entropy Alloy.

Ying Wang, Cheng Nie, Shengding Wang, Pan Gong, Mao Zhang, Zhigang Hu, Bin Li

Abstract read

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Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Ying WangSchool of Mechanical Engineering, Wuhan Polytechnic University, Wuhan 430023, China.

Cheng NieSchool of Mechanical Engineering, Wuhan Polytechnic University, Wuhan 430023, China.

Shengding WangSchool of Mechanical Engineering, Wuhan Polytechnic University, Wuhan 430023, China.

Pan GongState Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China.ORCID 0000-0002-3833-8440

Mao ZhangState Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China.ORCID 0000-0002-0389-1756

Zhigang HuSchool of Mechanical Engineering, Wuhan Polytechnic University, Wuhan 430023, China.

Bin LiSchool of Mechanical Engineering, Wuhan Polytechnic University, Wuhan 430023, China.

Funding

Hubei Provincial Natural Science Foundation Project 2024AFC011National Natural Science Foundation of China 52371074Research and Innovation Initiatives of WHPU 2023Y35Wuhan Knowledge Innovation Dawn Special Plan Project 2023010201020454

6 · The paper itself

Abstract

Titanium carbide (TiC) coatings were prepared on the surface of AlFeCoCrNiCu high-entropy alloy blocks using electro-spark deposition (ESD). The microhardness and corrosion resistance of the TiC coatings prepared under different voltage and capacitance process parameters were studied. The research shows that the maximum microhardness of the TiC coating on sample 4 (working voltage of 20 V, working capacitance of 1000 μF) is 844.98 HV, which is 81.5% higher than the microhardness of the substrate. This is because the deposition energy increases with the increase in voltage, and the adhesion and aggregation between the coating and the substrate are enhanced, increasing the hardness of the coating. It is worth noting that excessive deposition energy can increase surface defects and reduce the microhardness of the coating surface. Electrochemical testing analysis shows that the corrosion current density of the TiC coating is the lowest (9.475 × 10

Indexed as

corrosion resistanceelectro-spark depositionhigh-entropy alloysmicrohardnessTiC coating

Identifiers

PMID39203288

DOI10.3390/ma17164110

PMCPMC11356081

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