. M. El-Hossary, F., . M. Abd El-Rahman, A., H. Ata, M., .A.Hassan, M. (2017). EFFECT OF NITROGEN GAS RATIO ON THE PROPERTIES OF TI-ZR-N COATINGS DEPOSITED BY PULSED MAGNETRON SPUTTERING. JES. Journal of Engineering Sciences, 45(No 2), 142-155. doi: 10.21608/jesaun.2017.116097
F . M. El-Hossary; A . M. Abd El-Rahman; Moataz H. Ata; M .A.Hassan. "EFFECT OF NITROGEN GAS RATIO ON THE PROPERTIES OF TI-ZR-N COATINGS DEPOSITED BY PULSED MAGNETRON SPUTTERING". JES. Journal of Engineering Sciences, 45, No 2, 2017, 142-155. doi: 10.21608/jesaun.2017.116097
. M. El-Hossary, F., . M. Abd El-Rahman, A., H. Ata, M., .A.Hassan, M. (2017). 'EFFECT OF NITROGEN GAS RATIO ON THE PROPERTIES OF TI-ZR-N COATINGS DEPOSITED BY PULSED MAGNETRON SPUTTERING', JES. Journal of Engineering Sciences, 45(No 2), pp. 142-155. doi: 10.21608/jesaun.2017.116097
. M. El-Hossary, F., . M. Abd El-Rahman, A., H. Ata, M., .A.Hassan, M. EFFECT OF NITROGEN GAS RATIO ON THE PROPERTIES OF TI-ZR-N COATINGS DEPOSITED BY PULSED MAGNETRON SPUTTERING. JES. Journal of Engineering Sciences, 2017; 45(No 2): 142-155. doi: 10.21608/jesaun.2017.116097
EFFECT OF NITROGEN GAS RATIO ON THE PROPERTIES OF TI-ZR-N COATINGS DEPOSITED BY PULSED MAGNETRON SPUTTERING
1Physics Department, Faculty of Science, Sohag University, Sohag, Egypt
2Mechanical Department, Faculty of Industrial Education, Sohag University, Sohag, Egypt
Abstract
The aim of this paper was to study the effectiveness of N2/Ar gas ratio on the mechanical and tribological properties of Ti-Zr-N films coated on (AISI 304 stainless steel) substrate. The thin films were produced at 150 W pulsed magnetron sputtering (PMS) technique operated for 90 min. The structure and tribo-mechanical properties of the Ti-Zr-N coatings were investigated at different N2 /Ar gas pressure ratio. X-ray diffraction (XRD), microhardness, surface roughness, wear and friction, corrosion performance and surface energy were investigated. The analysis of X-ray diffraction (XRD) indicated a formation of solid solution phase of (Ti-Zr)N with (FCC) structure and a chemical compound phase of TiN. The solid solution phase (Ti-Zr)N has the orientation (111). The microhardness of the thin films has high values compared to associated value of (AISI 304 stainless steel) substrate; up to 4-folds. Furthermore, the wear performance was improved from 73.06 mm3/m for AISI substrate to 5.01 mm3/m after depositing Ti-Zr-N. The coefficient of friction was decreased from nearly 0.69 for the austenitic substrate to nearly 0.12 after coating with Ti-Zr-N. Over and above, the corrosion resistance substantially improved (factor of 1000 times) after the coating.
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