Preparation and characterization of high crystallinity hexagonal boron nitride
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摘要: 以硼酸和三聚氰胺为原料,在新型高温感应电炉中加热1 800 ℃进行热处理,制备六方氮化硼粉体样品,并通过扫描电镜、X射线衍射仪等设备,以及激光粒度分析、化学分析等手段对所制样品进行表征。结果表明:在设定的工艺条件下制备出结晶度高、纯度高、晶粒大的六方氮化硼。Abstract: Hexagonal boron nitride is prepared through heat treatment at 1 800 ℃ in a new high-temperature induction furnace, where boric acid and melamine are used as raw materials. The hexagonal boron nitride product is characterized by scanning electron microscopy, X-ray diffraction, laser particle size analysis and chemical analysis. The result show that the hexagonal boron nitride prepared by the process has high crystallinity, high purity and large crystal size.
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