Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying technique
In this study, the wear and mechanical behaviour of three coatings made from micron-sized powders of alumina (Al2O3) (ALO), (ii) Al2O3–40 wt.%8 yitrium stabilized zirconia (YSZ) (A4ZO), and (iii) Al2O3–13 wt.% titanium dioxide (TiO2)-40 wt.%8YSZ (AT4ZO) on the Ti-6Al-4V alloy (TAV) using plasma spra...
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Elsevier
2025-03-01
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2590123024020206 |
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| author | N. Senthilkumar G. Perumal K. Palanikumar B. Deepanraj M. Shameer Basha |
| author_facet | N. Senthilkumar G. Perumal K. Palanikumar B. Deepanraj M. Shameer Basha |
| author_sort | N. Senthilkumar |
| collection | DOAJ |
| description | In this study, the wear and mechanical behaviour of three coatings made from micron-sized powders of alumina (Al2O3) (ALO), (ii) Al2O3–40 wt.%8 yitrium stabilized zirconia (YSZ) (A4ZO), and (iii) Al2O3–13 wt.% titanium dioxide (TiO2)-40 wt.%8YSZ (AT4ZO) on the Ti-6Al-4V alloy (TAV) using plasma spraying is examined and compared. In addition to conducting wear tests, measurements of the coatings' porosity, microhardness, adhesive/cohesive strength, scanning electron microscope (SEM), and X-ray diffraction (XRD) were conducted to better comprehend the causes of wear. It has been demonstrated that the composite coating AT4ZO greatly improves the wear resistance over others. In comparison to A4ZO and alumina coatings, the resistance to wear of the AT4ZO composite coating is greater by 1.5 times than that of A4ZO and around 2.5 times higher than that of the latter. Comparing the three pairs of coatings, the cumulative wear loss of the AT4ZO/Alumina pair is substantially less. The effective melting and spreading of the molten droplets in the composite coating results in a dense microstructure and enhanced cohesion between the splats, which contributes to the coating's exceptional wear resistance. The improved wear resistance is attributed to increased splat cohesion strength and the phase transition toughening process caused by the presence of tetragonal phases and lubricating effect of the TiO2, according to an assessment of the wear tracks. When referring to the composite coating, the main wear process is found to be due to micro cracking and micro chipping combined with abrasive wear, whereas the wear process of the alumina coating is found to be abrasive wear with splat dislodgement. The correlation between fracture length and scratch resistance was established through experimental investigation It is evidence that our experimental results significantly corroborate these theoretical implications. |
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| institution | Kabale University |
| issn | 2590-1230 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
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| series | Results in Engineering |
| spelling | doaj-art-9d997490a19a44abb0c7e26822d6a3d22024-12-26T08:57:30ZengElsevierResults in Engineering2590-12302025-03-0125103777Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying techniqueN. Senthilkumar0G. Perumal1K. Palanikumar2B. Deepanraj3M. Shameer Basha4Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, 602105, IndiaV.R.S. College of Engineering and Technology, Arasur, Tamil Nadu, 607107, India; Corresponding author.Sri Sai Ram Institute of Technology, Chennai, Tamil Nadu, 600044, IndiaDepartment of Mechanical Engineering, Prince Mohammad Bin Fahd University, Al-Khobar, 31952, Saudi ArabiaDepartment of Mechanical Engineering, College of Engineering, Qassim University, Buraidah, 51452, Saudi ArabiaIn this study, the wear and mechanical behaviour of three coatings made from micron-sized powders of alumina (Al2O3) (ALO), (ii) Al2O3–40 wt.%8 yitrium stabilized zirconia (YSZ) (A4ZO), and (iii) Al2O3–13 wt.% titanium dioxide (TiO2)-40 wt.%8YSZ (AT4ZO) on the Ti-6Al-4V alloy (TAV) using plasma spraying is examined and compared. In addition to conducting wear tests, measurements of the coatings' porosity, microhardness, adhesive/cohesive strength, scanning electron microscope (SEM), and X-ray diffraction (XRD) were conducted to better comprehend the causes of wear. It has been demonstrated that the composite coating AT4ZO greatly improves the wear resistance over others. In comparison to A4ZO and alumina coatings, the resistance to wear of the AT4ZO composite coating is greater by 1.5 times than that of A4ZO and around 2.5 times higher than that of the latter. Comparing the three pairs of coatings, the cumulative wear loss of the AT4ZO/Alumina pair is substantially less. The effective melting and spreading of the molten droplets in the composite coating results in a dense microstructure and enhanced cohesion between the splats, which contributes to the coating's exceptional wear resistance. The improved wear resistance is attributed to increased splat cohesion strength and the phase transition toughening process caused by the presence of tetragonal phases and lubricating effect of the TiO2, according to an assessment of the wear tracks. When referring to the composite coating, the main wear process is found to be due to micro cracking and micro chipping combined with abrasive wear, whereas the wear process of the alumina coating is found to be abrasive wear with splat dislodgement. The correlation between fracture length and scratch resistance was established through experimental investigation It is evidence that our experimental results significantly corroborate these theoretical implications.http://www.sciencedirect.com/science/article/pii/S2590123024020206Plasma spray coatingScratch testCritical loadSliding wearTitanium alloys |
| spellingShingle | N. Senthilkumar G. Perumal K. Palanikumar B. Deepanraj M. Shameer Basha Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying technique Results in Engineering Plasma spray coating Scratch test Critical load Sliding wear Titanium alloys |
| title | Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying technique |
| title_full | Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying technique |
| title_fullStr | Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying technique |
| title_full_unstemmed | Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying technique |
| title_short | Wear and mechanical characteristics of coated Ti-6Al-4 V alloy with an alumina-13 wt.% titania -40 wt.% yitrium stabilized zirconia ceramic composite via plasma spraying technique |
| title_sort | wear and mechanical characteristics of coated ti 6al 4 v alloy with an alumina 13 wt titania 40 wt yitrium stabilized zirconia ceramic composite via plasma spraying technique |
| topic | Plasma spray coating Scratch test Critical load Sliding wear Titanium alloys |
| url | http://www.sciencedirect.com/science/article/pii/S2590123024020206 |
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