Molybdenum Disulfide (MoS2) Coating on AISI 316 Stainless Steel by Thermodiffusion Method

• Autorzy: Akbarzadeh M. , Zandrahimi M. , Moradpour E.

Identyfikatory

DOI

10.1515/amm-2017-0265

• Języki publikacji: EN

Abstrakty

EN

Molybdenum disulfide (MoS₂) is one of the most widely used solid lubricants applied in different ways on the surfaces under friction. In this work, AISI 316 austenitic stainless steel was coated with MoS₂, using thermo-diffusion method at different temperatures and times. Coatings properties were investigated using SEM, EDX, XRD and FTIR, Hardness Tester and Roughness tester. The results illustrated the formation of a uniform layer on the surface, containing MoS₂ and MoO_3–X phases. The thickness, grain size and the hardness of the coatings were 20-50 μm, 400-1000 nm and 350- 550 HV respectively. Friction tests carried out using ball-on-disc method under normal loads of 10 N under ambient conditions showed values of the friction coefficient 0.30-0.40. In addition, the kinetics of diffusion layers between the substrate and the coating were also investigated. It was found that there at steady temperature there is a parabolic relationship between the thickness of the diffusion layer and the treatment time. The activation energy for the process was estimated to be 143 kJ mol^-1. Depending on the treatment time and temperature, the thicknesses of diffusion layer varied between 0.5 and 2.5 microns.

Słowa kluczowe

EN

thermo-diffusion method; solid lubricant coating; molybdenum disulfide

• 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: 2017
• Tom: Vol. 62, iss. 3
• Strony: 1741--1748
• Opis fizyczny: Bibliogr. 17 poz., rys., wykr.

Twórcy

autor

Akbarzadeh M.

• Shahid Bahonar University of Kerman, Faculty of Engineering, Department of Metallurgy and Materials Science, Jomhoori Eslami Blvd., Kerman, Iran

autor

Zandrahimi M.

• Shahid Bahonar University of Kerman, Faculty of Engineering, Department of Metallurgy and Materials Science, Jomhoori Eslami Blvd., Kerman, Iran

autor

Moradpour E.

• Sanaat Research Institute, Tehran, Iran

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).