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首页> 外文期刊>JCT research >Nano-crystalline pulsed laser deposition hydroxyapatite thin films on Ti substrate for biomedical application
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Nano-crystalline pulsed laser deposition hydroxyapatite thin films on Ti substrate for biomedical application

机译：钛衬底上纳米晶脉冲激光沉积羟基磷灰石薄膜的生物医学应用

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摘要

Hydroxyapatite (HA) thin coating has been coated on titanium substrates by pulsed laser deposition (PLD). Structural and morphological studies by transmission electron microscopy (TEM) and X-ray diffraction (XRD) were performed. The HA film is polycrystalline and irregular with a range size of particulates from 100 nm to 1 jam. Adhesion of the HA films to the Ti substrates was excellent as observed by cross-scanning electron microscopy (X-SEM) and transmission electron microscopy (XTEM). The residual stresses state determined on uncoated Ti substrates was compressive. After deposition of thin PLD HA on titanium substrates at 400℃ the residual stress state was in a very low tensile state.
机译：羟基磷灰石（HA）薄涂层已通过脉冲激光沉积（PLD）涂覆在钛基底上。通过透射电子显微镜（TEM）和X射线衍射（XRD）进行结构和形态研究。 HA膜是多晶的，是不规则的，颗粒大小范围为100 nm至1卡纸。如通过交叉扫描电子显微镜（X-SEM）和透射电子显微镜（XTEM）所观察到的，HA膜对Ti基底的粘附性极好。在未涂覆的Ti基板上确定的残余应力状态为压缩状态。在400℃下将薄的PLD HA沉积在钛基底上之后，残余应力状态处于非常低的拉伸状态。

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