Sintering Effect on Mechanical Properties of Composites of Hydroxyapatite Lanthanum Oxide (HA-La2O3)

Article Preview

Abstract:

Composites of calcinated bovine bone derived hydroxyapatite (HA) with 0.25, 0.5, 1, and 2 wt % La2O3 were prepared by sintering. The experimental results indicated that compression strength and microhardness of HA-La2O3 composites increase when the content of La2O3 and sintering temperature increase. The best mechanical properties were achieved after sintering at 1300°C. The results are in agreement with densification measurements and microstructure analysis.

You might also be interested in these eBooks

Info:

Periodical:

Key Engineering Materials (Volumes 309-311)

Pages:

101-104

Citation:

Online since:

May 2006

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2006 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] L.S. Ozyegin, F.N. Oktar and et al.: Mater. Lett. Vol. 58 (2004), p.2605.

Google Scholar

[2] Z. Zyman, I. Ivanov, et al. J. Biomed. Mater. Res. Vol. 54 (2000), p.256.

Google Scholar

[3] J-W. Choi, Y-M. Kong and H-E. Kim : J. Am. Ceram. Soc. Vol. 81 (1998), p.1743.

Google Scholar

[4] R. Fresa, A. Constantini, et al. : J. Biomed. Mater. Res. Vol. 32 (1996), p.187.

Google Scholar

[5] F.N. Oktar, and et al: Artif. Cell, Blood Sub. Immob. Biotech. Vol. 27 (1999), p.367.

Google Scholar

[6] G. Goller, F.N. Oktar and et al.: (in press) J. Sol-Gel Sci. Tech.

Google Scholar

[7] H. Gokbayrak, Production of hydroxyapatite ceramics, M.S. Thesis, Bogazici University, (1996).

Google Scholar

[8] M. Shin-Ike, J. Tsutsui and et al.: Shika Igaku (J Osaka Odontol Soc) Vol. 52 (1989), p.854.

Google Scholar

[9] A. Tanaka, Y. Nishimura and et al.: J. Osaka Dent. Univ. Vol. 23 (1989), p.111.

Google Scholar

[10] I. Mayer, J.D. Lasyani et al.: J. Inorg. Chem. Vol. 73 (1999), p.221.

Google Scholar

[11] F. Fernandez-Gavarron, T. Huque and et al.: Bone Miner. Vol. 4 (1988), p.283.

Google Scholar