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Journal of Modern Processes in Manufacturing and Production
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Hasanzadeh, N., Sadrnezhad, S., Afra, N. (2013). Performing a Calcium-Phosphate Layer on Porous NiTi Alloy for Using in Orthopedic Applications. Journal of Modern Processes in Manufacturing and Production, 2(4), 45-50.
Nahid Hasanzadeh; Sayed Khatibolah Sadrnezhad; Negar Afra. "Performing a Calcium-Phosphate Layer on Porous NiTi Alloy for Using in Orthopedic Applications". Journal of Modern Processes in Manufacturing and Production, 2, 4, 2013, 45-50.
Hasanzadeh, N., Sadrnezhad, S., Afra, N. (2013). 'Performing a Calcium-Phosphate Layer on Porous NiTi Alloy for Using in Orthopedic Applications', Journal of Modern Processes in Manufacturing and Production, 2(4), pp. 45-50.
Hasanzadeh, N., Sadrnezhad, S., Afra, N. Performing a Calcium-Phosphate Layer on Porous NiTi Alloy for Using in Orthopedic Applications. Journal of Modern Processes in Manufacturing and Production, 2013; 2(4): 45-50.

Performing a Calcium-Phosphate Layer on Porous NiTi Alloy for Using in Orthopedic Applications

Article 6, Volume 2, Issue 4, Autumn 2013, Page 45-50  XML PDF (354 K)
Document Type: Research Paper
Authors
Nahid Hasanzadeh 1; Sayed Khatibolah Sadrnezhad2; Negar Afra3
1Assistant Professor, Department of Mechanical Engineering, Islamic Azad University, Science and Research Branch, Tehran,
2Professor, Department of materials science and engineering, Sharif University of Technology
3M.Sc. Student, Department of Mechanical Engineering, Islamic Azad University, Science and Research Branch, Tehran
Abstract
Porous NiTi alloys has a series of unique properties such as shape memory effect, superelastic behavior and energy absorbability that make them usable in a wide range of medical and industrial appliances. But the more probability of Ni release from a porous NiTi compare to the nonporous one has restricted it’s uses in implants. In the present research for resolving the problem, performing a calcium-phosphate layer on an Iranian porous alloy was considered. For this purpose all of the samples were immersed in SBF for 3 and 5 days. Some of them passed the dipping in SBF stage after 30% HNO3 and 1.2 M NaOH solution treatments. All the samples were characterized using SEM equipped with EDS and light microscopy. The results show that the chemical treated samples had better and more uniform calcium-phosphate layer forming ability than the untreated ones. The obtained results could be used in orthopedic applications.
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