Synthesis of Hydroxyapatite Powder and Its Thermal Stability
Source abstract
Abstract
The role of gelatin was examined with the main focus on its induction ability of hydroxyapatite (HA) nucleation in a modified aqueous solution with gelatin. The results show that when the addition of gelatin is in the range of lwt%-3wt%, HA crystal is formed with a perfect crystalline. However, no HA nucleation occurrs when gelatin content reaches 4wt% because of the steric effect. When the dried powder with 4wt% gelatin addition calcined at 900℃, the average size of HA is about 40nm which is smaller than those of synthesized particles without gelatin addition. However, this powder is easier to decompose to β-TCP when sintered at 1000℃, and the resultant β-TCP possesses a significant thermal stability up to 1500℃.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Bone Tissue Engineering Materials · Thermal and Kinetic Analysis · Additive Manufacturing and 3D Printing Technologies
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