Investigation of the properties of MoS2/Ti coatings produced by DC magnetron sputtering

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AKBARZADEH MEHDI; ZANDRAHIMI MORTEZA; MORADPOUR EHSAN

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Journal: METALLURGICAL ENGINEERING Year:2019 | Volume:22 | Issue:2 (74) Page(s): 104-115

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Information Journal Paper

Title

Investigation of the properties of MoS2/Ti coatings produced by DC magnetron sputtering

Author(s)

AKBARZADEH MEHDI | ZANDRAHIMI MORTEZA | MORADPOUR EHSAN | Issue Writer Certificate

Keywords

Molybdenum disulfideQ1

Lubricant coatingQ1

Physical vapor depositionQ2

Wear behaviorQ2

Friction coefficientQ2

Abstract

Solid-lubricant MoS2 coating has been widely used in many applications, especially space applications in view of its good performance in vacuum. Since the MoS2isvery sensitive to water vapor and oxygen it is not suitable for applications in moist environments. One way to improve the durability of a MoS2 film and also to reduce the deleterious effects of humidity and oxidation on its tribological performance is to co-sputter it with a metal. In this study MoSx/Ti composite coatings were deposited onto AISI 1045 steel substrates by direct-current magnetron sputtering. The Titanium ratio in the coatings was controlled by sputtering the composite targets. The coatings were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), and nano-indentation and nano-scratch techniques. The tribological behavior of the coatings were investigated using a pin-on-disc test at room temperature. The results showed that the thickness and the hardness of the coating were 4-6 μ m and 850-1400 HV, respectively. The incorporation of Ti to MoSx coatings resulted in a considerable improvement of coating adhesion and hardness. The optimum doping level for Ti-MoSx coatings to show the best tribological properties, ) with both the lowest Friction coefficient and wear rate (was 5 atomic percent. The main wear mechanism of coating was delamination.

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APA: Copy

AKBARZADEH, MEHDI, ZANDRAHIMI, MORTEZA, & MORADPOUR, EHSAN. (2019). Investigation of the properties of MoS2/Ti coatings produced by DC magnetron sputtering. METALLURGICAL ENGINEERING, 22(2 (74) ), 104-115. SID. https://sid.ir/paper/409407/en

Vancouver: Copy

AKBARZADEH MEHDI, ZANDRAHIMI MORTEZA, MORADPOUR EHSAN. Investigation of the properties of MoS2/Ti coatings produced by DC magnetron sputtering. METALLURGICAL ENGINEERING[Internet]. 2019;22(2 (74) ):104-115. Available from: https://sid.ir/paper/409407/en

IEEE: Copy

MEHDI AKBARZADEH, MORTEZA ZANDRAHIMI, and EHSAN MORADPOUR, “Investigation of the properties of MoS2/Ti coatings produced by DC magnetron sputtering,” METALLURGICAL ENGINEERING, vol. 22, no. 2 (74) , pp. 104–115, 2019, [Online]. Available: https://sid.ir/paper/409407/en

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