The Properties of Sintered Calcium Phosphate with [Ca]/[P] = 1.50
AbstractIn order to obtain the properties of the sintered as-dried calcium phosphate with [Ca]/[P] = 1.50, the characteristics of sintered pellets have been investigated using X-ray diffraction (XRD), inductively coupled plasma-mass spectrometry (ICP-MS), Fourier-transform infrared (FT-IR) spectra, Vickers hardness indentation and scanning electron microscopy (SEM). When the pellet samples were sintered between 700 °C and 1200 °C for 4 h, the hydroxyapatite (Ca10(PO4)6(OH)2, HA) still maintained the major phase, accompanied with the rhenanite (NaCaPO4) as the secondary phase and β-tricalcium phosphate (β-Ca3(PO4)2, β-TCP) as the minor phases. In addition, the HA partially transformed to α-tricalcium phosphate (α-Ca3(PO4)2, α-TCP) and tetracalcium phosphate (Ca4(PO4)2O, TTCP), when the pellet samples were sintered at 1300 °C and 1400 °C, respectively, for 4 h. The maximum density and Vickers Hardness (HV) of sintered pellet samples were 2.85 g/cm3 (90.18% theoretical density (T.D.)) and 407, which appeared at 1200 °C and 900 °C, respectively.
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Hung, I.-M.; Shih, W.-J.; Hon, M.-H.; Wang, M.-C. The Properties of Sintered Calcium Phosphate with [Ca]/[P] = 1.50. Int. J. Mol. Sci. 2012, 13, 13569-13586.
Hung I-M, Shih W-J, Hon M-H, Wang M-C. The Properties of Sintered Calcium Phosphate with [Ca]/[P] = 1.50. International Journal of Molecular Sciences. 2012; 13(10):13569-13586.Chicago/Turabian Style
Hung, I-Ming; Shih, Wei-Jen; Hon, Min-Hsiung; Wang, Moo-Chin. 2012. "The Properties of Sintered Calcium Phosphate with [Ca]/[P] = 1.50." Int. J. Mol. Sci. 13, no. 10: 13569-13586.