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首页> 外文期刊>Key Engineering Materials >Direct Fabrication of Bulk Nanostructured Ceramic from Nano-Al_2O_3 Powders by Selective Laser Sintering
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Direct Fabrication of Bulk Nanostructured Ceramic from Nano-Al_2O_3 Powders by Selective Laser Sintering

机译：纳米Al_2O_3粉末选择性激光烧结直接制备块状纳米结构陶瓷。

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摘要

Nanostructured ceramic bulk materials were achieved from nano-Al_2O_3 ceramic powders via direct selective laser sintering (SLS). SLS as a non-traditional machining technology of Rapid Prototyping was introduced and compared with other ceramic forming technologies. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were applied to analyze the microstructure of the ceramic bulk materials. These results demonstrated that the nano-Al_2O_3 ceramic powders can be sintered into bulk materials maintained nanostructure with some technological parameters. It was found that the nanostructured ceramic bulk exhibited unique microstructure and was free formed rapidly by this sintering technology.
机译：通过直接选择性激光烧结（SLS），从纳米Al_2O_3陶瓷粉末获得了纳米结构的陶瓷块状材料。介绍了SLS作为快速原型的非传统加工技术，并将其与其他陶瓷成型技术进行了比较。采用扫描电子显微镜（SEM）和X射线衍射（XRD）分析了陶瓷块状材料的微观结构。这些结果表明，可以将纳米Al_2O_3陶瓷粉末烧结成具有一定工艺参数且保持纳米结构的块状材料。发现该纳米结构的陶瓷块体表现出独特的微观结构并且通过该烧结技术快速自由形成。

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