期刊
COMPTES RENDUS PHYSIQUE
卷 10, 期 2-3, 页码 242-248出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crhy.2009.04.001
关键词
Sintering; Mechanical properties; Biomaterials
Fluorapatite and magnesium-substituted fluorapatite powders synthesized by the precipitation method were pressureless sintered in the range 900-1300 degrees C. The results showed that both materials exhibited a good sinterability. Concerning fluorapatite, a relative density of about 97% was attained at 1050 degrees C for 1 h. Although the incorporation of Mg into the apatite framework induced a slight decrease in the density, the substituted samples presented slightly higher mechanical properties. The maximum values of flexural strength, fracture toughness, hardness and Young's modulus of these latter samples were about 50.8 +/- 4.0 MPa, 1.36 +/- 0.10 MPam(1/2), 121.9 +/- 2.4 MPa and 650 +/- 8 Hv, respectively. To cite this article: M. Hidouri et al., C R. Physique 10 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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