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首页> 外文期刊>Scripta materialia >Novel substantial reductions in sintering temperatures for preparation of transparent hydroxyapatite bioceramics under ultrahigh pressure
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Novel substantial reductions in sintering temperatures for preparation of transparent hydroxyapatite bioceramics under ultrahigh pressure

机译:在超高压下制备透明羟基磷灰石生物陶瓷的新型大幅降低烧结温度

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摘要

A novel method for preparing highly transparent hydroxyapatite bioceramics at relatively low temperatures (325-450 °C), i.e. about 60% lower compared with other commonly used preparation methods, has been developed under ultrahigh pressure (UHP;;2.0-5.0 GPa). UHP can remarkably restrain grain growth, enhance density and microhardness and we have characterized the morphology, density and mechanical properties of the prepared ceramics. We reason that these bioceramics are highly transparent due to the negligible light scattering from the nanosized grains and pores in the samples.
机译:在超高压(UHP ;; 2.0-5.0 GPa)下,已经开发出一种在相对较低的温度(325-450℃)下制备高度透明的羟基磷灰石生物陶瓷的新方法,即与其他常用的制备方法相比降低约60%。超高压可以显着抑制晶粒长大,提高密度和显微硬度,并且我们已经表征了所制备陶瓷的形态,密度和机械性能。我们认为这些生物陶瓷是高度透明的,因为样品中纳米颗粒和孔的光散射可忽略不计。

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