Structure and properties of nano-MoS2&nbsp; composite ceramic layer

LIU Ze-ze; ZHU Xin-he; MA Chun-sheng; CHENG dong; ZHANG Xiang; YAN Zhi-jun

doi:10.16411/j.cnki.issn1006-7736.2017.03.020

Journal of Dalian Maritime University >

2017 , Vol. 43 >Issue 3: 119 - 123

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2017.03.020

Structure and properties of nano-MoS₂ composite ceramic layer

LIU Ze-ze ,
ZHU Xin-he ,
MA Chun-sheng ,
CHENG dong ,
ZHANG Xiang ,
YAN Zhi-jun

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(Marine Engineering College,Dalian Maritime University,Dalian 116026,China)

Received date: 2017-03-22

Revised date: 2017-05-14

Online published: 2017-05-31

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Abstract

In order to improve the surface hardness of aluminum alloy and reduce its friction coefficient in the friction process, by the addition of MoS₂ nanoparticles into the electrolyte, MoS₂-containing ceramic layer was prepared on the surface of ZL109 aluminum alloy through the technology of Micro-arc oxidation, and the composite ceramic layer exhibited good tribological properties. After adding MoS₂ nanoparticles, the surface roughness of the ceramic layer decreases, but the hardness does not change significantly. In the friction and wear test, the friction coefficient of the composite ceramic layer is lower than that of the common ceramic layer. When the mass concentration of MoS₂ nanoparticles is 5 g/L, the friction coefficient of ceramic layer is lowest, and it is lower than that of common ceramic layer by 47%.

Key words： nano molybdenum disulfide; composite ceramic layer; micro-arc oxidation; friction coefficient

Cite this article

LIU Ze-ze , ZHU Xin-he , MA Chun-sheng , CHENG dong , ZHANG Xiang , YAN Zhi-jun . Structure and properties of nano-MoS₂ composite ceramic layer[J]. Journal of Dalian Maritime University, 2017 , 43(3) : 119 -123 . DOI: 10.16411/j.cnki.issn1006-7736.2017.03.020

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