Sintering Behavior of Magnesium-Substituted Fluorapatite Powders
Author Information
Author(s): S. Nasr, K. Bouzouita
Primary Institution: Institut Préparatoire aux Etudes d'Ingénieur, University of Monastir
Hypothesis
The study investigates the sintering behavior of magnesium-substituted fluorapatite powders synthesized by hydrothermal method.
Conclusion
The incorporation of magnesium into fluorapatite affects the sintering behavior, leading to changes in shrinkage patterns and the formation of secondary phases.
Supporting Evidence
- The as-prepared powders were needle-like nanoparticles and were a single crystallographic phase.
- The shrinkage of the substituted samples occurred in two steps, with a lower temperature for maximum sintering rate compared to pure fluorapatite.
- A secondary phase corresponding to wagnerite was observed in the sintered samples.
Takeaway
This study looks at how adding magnesium to certain powders changes how they shrink when heated, which is important for making materials used in medicine.
Methodology
Magnesium-substituted fluorapatite powders were synthesized using a hydrothermal method and analyzed through dilatometry, X-ray diffraction, and NMR spectroscopy.
Limitations
The study does not specify the exact limitations encountered during the research.
Digital Object Identifier (DOI)
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