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首页> 外文期刊>DVS-Berichte >Properties of long persistent SrAl{sub}2O{sub}4 ceramics coating deposited by low power plasma spraying
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Properties of long persistent SrAl{sub}2O{sub}4 ceramics coating deposited by low power plasma spraying

机译：低功率等离子喷涂沉积的长效SrAl {sub} 2O {sub} 4陶瓷涂层的性能

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摘要

Strontium aluminates activated by Eu, Dy{sup}(3+) ions has recently attracted more attention due to not only their bright luminescence and super long afterglow without radioactivity but also the extensive application. SrAl{sub}2O{sub}4: Eu, Dy coatings were prepared by low power plasma thermal spraying (2.5-4W). The optimum spraying conditions have been established with spray parameters. The effects of the plasma conditions on the porosity rate of the coatings were investigated by many techniques, respectively X-ray diffraction (XRD) and scanning electron microscopy (SEM). To better qualify the characteristics of these coatings prepared from spray-dried powders, luminescence characteristics were also studied.
机译：最近，由Eu，Dy {sup}（3+）离子活化的铝酸锶不仅引起了人们的关注，不仅具有明亮的发光性和超长的余辉而没有放射性，而且得到了广泛的应用。 SrAl {sub} 2O {sub} 4：Eu，Dy涂层是通过低功率等离子体热喷涂（2.5-4W）制备的。最佳喷涂条件已通过喷涂参数确定。等离子体条件对涂层孔隙率的影响是通过许多技术研究的，分别是X射线衍射（XRD）和扫描电子显微镜（SEM）。为了更好地限定由喷雾干燥粉末制备的这些涂料的特性，还研究了发光特性。

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