Kaliuzhnyi S. Microplasma Spraying of Zirconium Coatings on Endoprosthetic Parts

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0423U100190

Thesis Registration Form

0423U100190.pdf

Applicant for

Specialization

  • 05.03.06 - 3варювання та споріднені процеси і технології

06-12-2023

Specialized Academic Board

Д 26. 182. 01

E. O. Paton Elektric Welding Institute National Academy of scinces of Ukraine

Essay

The thesis is devoted to the study of the process of forming coatings with biocompatible properties by the microplasma spraying (MPS) method of a zirconium alloy KTC-110 wire. In the work, the patterns of changes in the size and speed of movement of dispersed zirconium particles were established depending on the parameters of the MPS modes, and the importance of influence of the spraying process parameters on the structure, morphology and mechanical properties of zirconium coatings was determined. It was found that in the mode with minimum values of MPS parameters, coatings with the most porous structure are formed with pore sizes from 100 μm to 300 μm and a volume content of pores relative to the coating of up to (20.3 ± 2.0) %. In addition, it was found that the microrelief of the surface of such coatings has a roughness of Ra of (52 ± 3.1) μm, and micropores up to 10 μm in size are observed at the peaks of the relief. It is shown that these coatings meet the requirements of the bond strength standard and have a reduced modulus of elasticity from the original material. If the coating is in the compression zone, its modulus of elasticity is (12.1 ± 0.9) GPa, and in the tension zone it is (6.4 ± 0.8) GPa. It was confirmed that zirconium coatings have better corrosion resistance in the Ringer's solution, with the effectiveness of protecting their surface layers 50% higher, than in similar titanium coatings. An in vitro cytotoxicity study showed the safety of using zirconium coatings on the surfaces of endoprosthetic parts. Based on the conducted research basic scientific and technological recommendations were developed regarding the selection of the MPS mode parameters of porous zirconium coatings with biocompatible properties on the surface of implants of various sizes and types. The developed zirconium coatings, which are formed by the MPS method, were approved by orthopedists of the Institute of Traumatology and Orthopedics of the National Academy of Medical Sciences of Ukraine and were recommended for use in the production of parts of hip joint endoprostheses from grade VT6 titanium alloy in order to increase their biocompatibility.

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Research papers

1. Voinarovych S., Alontseva D., Kyslytsia O., Khozhanov A., Krasavin A., Kaliuzhnyi S., Kolesnikova T. Fabrication and characterization of Zr microplasma sprayed coatings for medical applications. Advances in Materials Science. 2021. Vol. 2, No 21. Р. 93-105. (Web of Science). https://doi.org/10.2478/adms-2021-0013

2. Moltasov A., Dyman M., Kaliuzhnyi S., Mossokovska I., Voinarovych S., Kyslytsia O., Koytchev E. Dependence of the elasticity modulus of microplasma coatings made of titanium grade VT1-00 and zirconium grade KTC-110 on their porosity. Series on Biomechanics. 2022. Vol. 36, No 2. P. 141-152. (Scopus). https://doi.org/10.7546/sb.36.2022.02.14

3. Woźniak A., Staszuk M.,• Reimann Ł.,•Bialas O., Brytan Z.,•Voinarovych S., Kyslytsia O., Kaliuzhnyi S., Basiaga M., Admiak M. The influence of plasma-sprayed coatings on surface properties and corrosion resistance of 316L stainless steel for possible implant application. Archives of Civil and Mechanical Engineering. 2021. Vol. 21, No 4. Р. 1-21. (Scopus). https://doi.org/10.1007/s43452-021-00297-1

4. Voinarovych S. G., Alontseva D. L., Khozhanov A. R., Krasavin A. L., Kyslytsia A. N., Kalyuzhny S. N. Effect of microplasma spraying parameters on the loss of sprayed Zr wire and coating porosity. Recent Contributions to Physics. 2021. Vol. 79, No. 4. P. 82-96. https://doi.org/10.26577/rcph.2021.v79.i4.10

5. Калюжний С. М., Савицький В. В, Войнарович С. Г., Кислиця О. М., Файзраманов З. Г. Експериментальне визначення швидкості руху цирконієвих частинок при мікроплазмовому напиленні. Автоматичне зварювання. 2023. №3. С. 20-26. https://doi.org/10.37434/as2023.03.04

6. Dyman M., Moltasov А., Kaliuzhnyi S., Kyslytsia O., Tsymbalista T. Research of the structure and mechanical properties of microplasm porous coatings for biomedical purposes. Ukrainian Journal of Mechanical Engineering and Materials Science UJMEMS. 2022. Vol. 4, No 8. Р. 14-21. https://doi.org/10.23939/ujmems2022.04.014

7. Войнарович С. Г., Алонцева Д. Л., Кислиця О. М., Калюжний С. М., Цимбаліста Т. В., Димань М. М. Мікроплазмове напилення покриття з використанням цирконієвого дроту. Автоматичне зварювання. 2022. №9. С. 45-50. https://doi.org/10.37434/as2022.09.08

8. Dyman M., Moltasov A., Kalyuzhny S. Calculation and experimental procedure for determining the modulus of elasticity of porous coatings on a substrate during bending. Part 1. Theoretical foundations. Mechanics and Advanced Technologies. Section Mechanics. 2022. Vol. 6, No 2. P. 139–142. https://doi.org/10.20535/2521-1943.2022.6.2.261923

9. Dyman M., Moltasov A., Kalyuzhny S. Calculation and experimental procedure for determining the modulus of elasticity of porous coatings on a substrate during bending. Part 2. Experimental research. Mechanics and Advanced Technologies. Section Mechanics. 2022. Vol 6, No 3. Р. 262-268. https://doi.org/10.20535/2521-1943.2022.6.3.262805

10. Молтасов А. В., Войнарович С. Г., Димань М. М., Калюжний С. М., Бурбурська С. В. Методи запобігання ефекту екранування напружень в системі імплантат-кістка (ОГЛЯД). Автоматичне зварювання. 2023. №1. С. 38-46. https://doi.org/10.37434/as2023.01.06

19. Ревізійний стегновий компонент ендопротеза з безцементною фіксацією: пат 150555, Україна: A61F2/32, Г. В. Гайко, В. М. Підгаєцький, О. М. Сулима, С. Г. Войнарович, С. М. Калюжний, Т. М. Велика. № u202105365; заявл. 22.09.2021; опубл. 02.03.2022, Бюл. №9. 5 с.

20. Ревізійна безцементна ацетабулярна система ендопротеза кульшового суглоба: пат. 150554, Україна: A61F2/36, Г. В. Гайко, В. М. Підгаєцький, О. М. Сулима, С. Г. Войнарович, С. М. Калюжний, Т. М. Велика. № u202105364; заявл. 22.09.2021; опубл. 02.03.2022, Бюл. №9. 6 с.

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