The phase composition and microstructure of mullite powders were investigated by X-ray diffraction and field emission scanning election microscopy techniques.
利用X射线衍射仪和场致发射扫描电子显微镜等手段对合成粉体的相组成、结构和形貌进行了研究。
By means of optical-microscopy, scanning election microscopy (SEM), and election diffraction spectrometer (EDS) etc., the crack of gear was analyzed, the reason of the failure is found.
采用光学显微镜、扫描电子显微镜和电子能谱仪等方法对开裂齿轮进行了分析。
By means of optical-microscopy, scanning election microscopy (SEM), and election diffraction spectrometer (EDS) etc., the crack of gear was analyzed, the reason of the failure is found.
采用光学显微镜、扫描电子显微镜和电子能谱仪等方法对开裂齿轮进行了分析。
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