The phase structure and composition of the modified layer was characterized by XRD and GDOES , and its properties were tested by microhardness meter and ball-plate wear instrument.
通过GDOES 、XRD等手段标定表层成分和相结构，借助显微硬度计和球盘磨损仪测试合金渗层的性能。
The microstructure, phase structure and composition of the area near the coating interface were analyzed. The microhardness and corrosion resistance of the coating were also tested.
分析了涂覆界面附近区域的显微组织形貌、相结构及化学成分，并对显微硬度和耐蚀性进行了测试。
The Polycrystalline structure and the phase composition of cordierite kiln furniture are deter-mined by means of X-ray and electron microscope.
利用X-射线衍射分析和电子显微镜分析的结果，确定堇青石窑具的多晶结构和各晶相的含量；
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