Sputtering of Titanium in Co-Cr-Mo Alloys for Orthopedic Implant Materials

Sulistioso, G.S.; Bandriyana, Bernardus; Siswanto, Bambang

doi:10.4028/www.scientific.net/AMR.1123.201

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Home Advanced Materials Research Advanced Materials Science and Technology IISputtering of Titanium in Co-Cr-Mo Alloys for...

Sputtering of Titanium in Co-Cr-Mo Alloys for Orthopedic Implant Materials

Abstract:

Sputtering process of titanium have been carried out to improve the hardness and wear resistance of the Co-Cr-Mo alloy for orthopedic implant material. The CoCrMo alloy was synthesized by melting process with addition of Cr₂N powder into melts to define the high Cr and high N contents. The solid Ti target was sputtered by argon gas and coated into the CoCrMo substrate at temperature of 200 °C for 2, and 4 hours in the nitrogen gas environment. Characterization was performed to the specimen of CoCrMo ingot before and after sputtering process by microstructure, hardness, corrosion and wear resistance tests. Synthesis of the alloy produced dendrite structure ingot. The hardness, the wear resistance and the corrosion resistance in the simulation body fluid increased after sputtering process due to the formation of oxide thin layer in surface of the alloy.

Info:

Periodical:

Advanced Materials Research (Volume 1123)

Main Theme:

Advanced Materials Science and Technology II

Edited by:

Risa Suryana, Kuwat Triyana, Khairurrijal, Heru Susanto and Sutikno

Pages:

201-204

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1123.201

Citation:

G.S. Sulistioso et al., "Sputtering of Titanium in Co-Cr-Mo Alloys for Orthopedic Implant Materials", Advanced Materials Research, Vol. 1123, pp. 201-204, 2015

Online since:

August 2015

Authors:

G.S. Sulistioso *, Bernardus Bandriyana, Bambang Siswanto

Keywords:

Biomaterial, Co-Cr-Mo Alloy, Sputtering, Titanium

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References

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DOI: https://doi.org/10.1007/bf02706450

[3] H.S. Neilgibson, The Use of Alloys in Prosthetic Devices, Business Briefing Medical Device Manufacturing & Technology. (2002).

[4] S.H. Lee, N. Nomura, A. Chiba, Microstructures and mechanical properties of biomedical Co-Cr-Mo alloys with combination of N addition and Cr-enrichment, 1st Asian Biomaterials Congress. Tsukuba, Japan (2007).

DOI: https://doi.org/10.2320/matertrans.mra2007220

[5] B. Bandriyana, G.S. Sulistioso, Syntesis and surface treatment of co-cr-mo alloys for advanced implant biomaterial, Proceeding The 4th International Conference on Product Design & Development, Department of Mechanical and Industrial Engineering UGM- AUN/SEED-Net JICA, Yogyakarta (2011).

[6] Sh. Chen, B.H. Wu, D. Xie, F. Jiang, J. Liu, H.L. Sun, S. Zhu, B. Bai, Y.X. Leng, N. Huang, H. Sun, The adhesion and corrosion resistance of Ti–O films on CoCrMo alloy fabricated by high power pulsed magnetron sputtering (HPPMS), Journal of Surface & Coatings Technology 252 252 (2014).

DOI: https://doi.org/10.1016/j.surfcoat.2014.04.044

Paper TitlePages

Formation of TiO₂ Coating Layer on the Surface Treated Ti Alloys

Authors: N. R. Ha, Z. X. Yang, Kyu Hong Hwang, J. K. Lee

Abstract: Pure Titanium alloys are superiorities of biocompatibility, mechanical properties and chemical stability. The biocompatibility of Ti alloy is related to the surface effect. In this study, Ti Alloys were treated by alkali and acid activation process. And through the sol coating layer, biocompatibility were investigated. Consequently, it appeared that the porous layer was generated on the surface of alloy by surface treatment and sol coating process. It was found that with surface treatment on Ti alloy, the formation speed of porous was much quicker compared with those ones without treatment. Therefore, the biocompatibility was improved.

177

Improved High Temperature Tensile Properties of Ti-6Al-4V Alloy by Plasma Sprayed Coating

Authors: Cui Li, Wei Qi, Kutsuna Muneharu

Abstract: A zircon coating was applied on the surface of Ti-6Al-4V alloy by plasma spray and its effect on the high temperature tensile properties of the alloy as well as the oxidation behavior of the alloy were studied. Tensile tests were conducted at 850°C with different strain rates of 10-4s-1,10-3s- 1, 10-2s-1 and 10-1s-1. The results show that the elongation of the coated specimens is higher than that of the uncoated ones, while the ultimate tensile strength of the alloy is not changed. An oxide film had formed on the surface of uncoated Ti-6Al-4V alloy, however no such oxide film was found on the coated alloy at the early of stage. The coating can prevent oxygen penetration into the substrate thus prevent embrittlement of the subsurface zone. The ductility could be improved by means of the zircon coating. The optical micrographs of the specimens show little change in microstructures of the coated and uncoated specimens. Zircon coating has no effect on the microstructure of the substrate alloy.

547

Comparison of Different Content of Cd and Sb Element on the Microstructure, Mechanical Properties of As-Cast AZ31 Magnesium Alloy

Authors: Xiao Ping Luo, Lan Ting Xia, Ming Gang Zhang

Abstract: The effect of Cd and Sb addition on the microstructural and mechanical properties of as-cast AZ31 alloys was investigated and compared. The results indicate that the difference of Sb and Cd in the microstructure and mechanical properties of as-cast AZ31 magnesium alloy is significant. Addition of 0.15%Sb (mass fraction) to AZ31 alloy can refine the matrix and β-Mg₁₇Al₁₂ phase but not form a new phase Mg₃Sb₂. Oppositely, by addition of 0.3-0.7% Cd to AZ31 alloy, Cd was dissolved into the AZ31 alloy, the phase composition did not change but was refined also. Accordingly, the Cd-refined AZ31 alloy exhibits higher tensile and impact toughness and Brinell hardness properties than the Sb- refined one. The difference of Sb and Cd in the mechanical properties is possibly related to the solid solution of Cd into the matrix and formation of Mg₃Sb₂ which has the same close-packed hexagonal structure as α-Mg.

197

Tribological Properties of Aluminum Alloy Coating Deposited on Magnesium Alloy Surface by Cold Spray

Authors: Sheng Zhu, Guo Feng Han, Xiao Ming Wang, Wen Bo Du

Abstract: In this study, Al-Si alloy protective coating was deposited on the surface of ZM5 magnesium alloy by cold spray technology. Researchers observed the surface morphology of the coating by SEM, and researched tribological properties of the substrate material and the coating. The results show that, the bonding mechanism of the Al-Si alloy coating and substrate is metallurgical bonding and mechanical interlocking. The abrasion mechanism of Al-Si alloy coating is adhesive wear. The friction coefficient of the coating is higher than magnesium alloy in different friction frequencies. Greater change in friction coefficient is caused by the inhomogeneous phase composition. But the wear track depth of the coating is smaller than magnesium alloy. Wear-resisting property is improved.

142

The Mechanical Properties of Platinum-Iridium Alloy Coating

Authors: Hsi Hsin Chien, Kung Jeng Ma, Chien Hung Kuo

Abstract: Glass molding process provides a great potential for the production of precise glass optical components at low cost. The platinum-iridium (Pt-Ir) alloys are widely used as the protective coatings to extend the service life of the mold in glass molding process. This study concentrated on the microstructure and mechanical properties of sputtered Pt-Ir alloy films. The obvious grain growth was observed in the Pt-Ir alloy films at sputtering temperature of 700. The hardness and elastic modulus of Pt-Ir alloy film decreased with the increase in Pt content.

533