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PHASE INTERACTION IN HYDROXYLAPATITE/LAPO_4 COMPOSITE

机译:羟基磷灰石/ LAPO_4复合材料中的相相互作用

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摘要

Hydroxylapatite composites with lanthanum phosphate were prepared with pressureless air sintering for 2 hours at different temperatures between 500℃ and 1300℃. The interaction between the phases was monitored with XRD analysis. At sintering temperatures higher than 700℃, hydroxylapatite and lanthanum phosphate phase reacted and formed Ca_8 La_2 (PO_4)_6O_2 as byproduct. In the mean time, hydroxylapatite decomposed and formed tricalcium phosphate.
机译:在500℃至1300℃的不同温度下,无压空气烧结2小时,制备了含磷酸镧的羟基磷灰石复合材料。相之间的相互作用用XRD分析监测。在高于700℃的烧结温度下,羟基磷灰石与磷酸镧相发生反应,形成副产物Ca_8 La_2(PO_4)_6O_2。同时,羟磷灰石分解并形成磷酸三钙。

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