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Preparation of aluminum borate whiskers by the molten salt synthesis method

机译:熔融盐合成法制备硼酸铝晶须

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A molten salt process was used to synthesize approximately single-phase aluminum borate (Al_(18)B_4O_(33)) whiskers. The structure and morphology of Al_(18)B_4O_(33) whiskers were characterized by X-ray powder diffraction and scanning electron microscopy. The result showed that high-crystallized Al_(18)B_4O_(33) whiskers with an orthorhombic structure were obtained at 1000℃. The diameter of Al_(18)B_4O_(33) whiskers synthesized at 1000℃ for 0.5 h was about 1.3 μm, and the lengths ranged from 50 μm to 150 μm. Instead of the well-known vapor-liquid-solid mechanism, a self-catalytic mechanism was used to explain the growth of the Al_(18)B_4O_(33) whiskers.
机译:使用熔融盐法合成近似单相的硼酸铝(Al_(18)B_4O_(33))晶须。用X射线粉末衍射和扫描电镜对Al_(18)B_4O_(33)晶须的结构和形貌进行了表征。结果表明,在1000℃时得到了具有正交晶结构的高结晶Al_(18)B_4O_(33)晶须。 1000℃下合成0.5小时的Al_(18)B_4O_(33)晶须的直径约为1.3μm,长度范围为50μm至150μm。代替众所周知的气液固机理,使用自催化机理来解释Al_(18)B_4O_(33)晶须的生长。

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