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Abstrakty
Porous titanium is a popular surgical implant material. Its low elastic modulus encourages regular bone growth, whilst its porosity enables bone in-growth. However, titanium is characterized by poor friction and wear properties. The addition of graphite to lower the friction coefficient and titanium carbide to increase wear resistance could produce a multi-component material that overcomes these disadvantages. In presented paper, the analysis of sintering temperature on structure and mechanical properties is reported. Materials were manufactured by means of powder metallurgy method. During sintering the reactions between titanium and graphite were observed. The three-phases material was obtained, consisting of solid solution of carbon in titanium, remains of graphite, and particles of titanium carbide formed as result of carbon diffusion. This caused significant improving of hardness of composite materials.
Wydawca
Czasopismo
Rocznik
Tom
Strony
12--17
Opis fizyczny
Bibliogr. 9 poz., rys., tab.
Twórcy
autor
autor
autor
- Białystok Technical University, Department of Mechanical Engineering, Białystok, Poland
Bibliografia
- 1. Katti K.: Biomaterials in total hip replacement, Colloids and Surfaces B: Biointerfaces 39 (2004), s. 133-142.
- 2. Kohn D.H.: Metals in medical applications. Current Opinion in Solid State and Materials Science (1998): 309-316.
- 3. Long M., Rack H.J.: Review: Titanium alloys in total joint replacement - a materials science perspective. Biomaterials 19 (1998): 1621-1639.
- 4. Bylica A., Sieniawski J.: Tytan i jego stopy. Państwowe Wydawnictwo Naukowe, Warszawa, 1985.
- 5. Liu X., Chu P.K., Ding C.: Surface modification of titanium, titanium alloys, and related materials for biomedical applications. Materials Science and Engineering R7 (2004): 49-121.
- 6. Alman D. E., Hawk J. A.: The abrasive wear sintered titanium matrix-ceramic particle reinforced composites, Wear 225-229 (1999), pp. 629-639.
- 7. Teoh S. H., Thampuran R., Seah W. K. H.: Coefficient of friction under dry and lubricated conditions of a fracture and wear resistant P/M titanium- graphite composite for biomedical applications, Wear 214 (1998), pp. 237-244.
- 8. Grądzka-Dahlke M., Dąbrowski JR.: Zastosowanie metody metalurgii proszków do wytwarzania elementów z tytanu do zastosowań biomedycznych. Materiały VIII Ogólnopolskiej Konferencji: Tytan i jego stopy. Warszawa, 2005.
- 9. Kaczyński J.: Tytan. WNT, Warszawa 1961.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG4-0028-0038