Dry and Wet Wear Characteristic of TiO2 Thin Film Prepared by Magnetic Sputtering in Ringer Solution

سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 297

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شناسه ملی سند علمی:

JR_ACERPT-5-4_006

تاریخ نمایه سازی: 24 فروردین 1399

چکیده مقاله:

In this research, a thin film of TiO2 was applied on AZ91D using the method of magnetic sputtering. Microstructure investigations were conducted using field emission scanning electron microscope (FESEM) and X-ray diffraction (XRD). Wear resistance for the coating was investigated using the pin on the disk in the form of dry and in the Ringer s solution. the worn surface of the samples was investigated using scanning electron microscopy (SEM) asfter this test. Meanwhile, the level of hardness and flatness of the surface after coating was investigated using Vickers microhardness tester and roughness tester. Results indicated that the coating was formed uniformly and had the globular morphology and very good coherence with the thickness of 90nm, which is seemingly formed at the interface of the coating and substrate of the MgTi2O5 and Mg2TiO4 spinels. The roughness of the surface decreased as much as 20% by applying the coating. Applying the coating decreased the coefficient of friction and increased wear resistance in both of the environments. Following the application a thin film of TiO2, wear mechanism was transferred from severe abrasive to mild abrasive in the dry environment and cleavage crater in the Ringer s solution.

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نویسندگان

M. Samiee

Department of Metallurgy and Materials Engineering Karaj Branch, Islamic Azad University Karaj, Alborz, Iran

Z. S. Seyedraoufi

Department of Metallurgy and Materials Engineering Karaj Branch, Islamic Azad University Karaj, Alborz, Iran

Y. Shajari

Materials and Energy Research Center, Meshkindasht, Alborz, Iran

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