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The titanium and its alloys are potentially prone to hydrogen embrittlement, including those proposed for dental implants. The research has been aimed to assess a susceptibility to environment-enhanced degradation of the Ti-13Zr-13Nb alloy in artificial saliva with or without hydrofluoric acid, subject or not to cathodic polarisation. The results have shown that even if artificial saliva is safe environment, both cathodic polarization and cathodic current result in brittle cracking. Either hydride-related embrittlement or fluoride-related stress corrosion cracking are considered as potential sources.
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5--15
Opis fizyczny
Bibliogr. 13 poz., rys., tab.
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autor
autor
- Gdansk University of Technology, Faculty of Mechanical Enginering, Narutowicza 11/12, 80-233 Gdańsk, Poland
Bibliografia
- 1. Brunette D.M., Tengvall P., Textor M., Thomsen P.: Titanium in medicine. Springer, Germany 2001.
- 2. Liu X., Chu P.K., Ding Ch.: Surface modification of titanium, titanium alloys, and related materials for biomedical applications. Mater. Sci. Eng. 47 (2004), 49-121.
- 3. Kaszuwara W.: Shape memory alloys. Inżynieria Materiałowa 2 (2004), 61-64. In Polish; English abstract.
- 4. Zieliński A., Sobieszczyk S., Seramak T., Serbiński W., Świeczko-Żurek B., Ossowska A.: Biocompatibility and bioactivity of load-bearing metallic implants. Advances in Materials Science 10, No. 4 (2010), 21-31.
- 5. Zieliński A.: Niszczenie wodorowe metali nieżelaznych i ich stopów. Gdańskie Towarzystwo Naukowe, Gdańsk 1999. In Polish; English summary.
- 6. Kaneko K., Yokoyama K., Moriyama K., Asaoka K., Sakai J., Nagumo M.: Delayed fracture of beta titanium orthodontic wire in fluoride aqueous solutions. Biomaterials 24 (2003), 2113-2120.
- 7. Ogawa T., Yokoyama K., Asaoka K., Sakai J.: Hydrogen absorption behavior of beta titanium alloy in acid fluoride solutions. Biomaterials 25 (2004) 2419-2425.
- 8. Yokoyama K., Hamada K., Moriyama K., Asaoka K.: Degradation and fracture of Ni-Ti superelastic wire in an oral cavity. Biomaterials 22 (2001), 2257-2262.
- 9. Yokoyama K., Kaneko K., Ogawa T., Moriyama K., Asaoka K., Sakai J.: Hydrogen embrittlement of work-hardened Ni–Ti alloy in fluoride solutions. Biomaterials 2004 in press.
- 10. Koike M., Fuji H.: The corrosion resistance of pure titanium in organic acids. Biomater. 22 (2001), 2931-2936.
- 11. Reclaru L., Meyer J.-M.: Effect of fluorides on titanium and other dental alloys in dentistry. Biomaterials 19 (1998), 85-92.
- 12. Huang H.-H.: Effects of fluoride concentration and elastic tensile strain on the corrosion resistance of commercially pure titanium. Biomaterials 23 (2002), 59–63.
- 13. Françon V., Fregonese M., Abe H., Watanabe Y : Iodine-induced stress corrosion cracking of Zircaloy-4: identification of critical parameters involved in intergranular to transgranular crack propagation.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BPG8-0084-0045