Synthesis of Sintered Titanium - Apatite for orthopedic Applications
Abstract
A new system of functionally graded materials is considered in this study. The samples were obtained by sintering titanium with hydroxyapatite powders (HAP) at 900◦c. Hydroxyapatite type grains were prepared by wet chemical method by addition of H3PO4 to a suspension of Ca(OH)2 with close control of the all process parameters like pH, reaction temperature, ageing, digestion time and sintering temperature.
The sintering conditions lead to convenient values of samples density as compared with bone density. The bioactivity was tested in simulated body fluid (SBF). The size of HAP type phases developed at the sample surface after soaking for several weeks in SBF is about 100 µm and tends to form a continuous network of a new developed bioactive layer.
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Copyright (c) 2022 Abdulsalam K. Swadi, Thair l, Abdulkareem I I
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