X射线衍射与能谱检测联用分析未知物组成  

Analysis of unknown substance component by X-ray diffraction and energy dispersive spectroscopy

作　　者：李杨 崔岩 马洪涛 李根 LI Yang;CUI Yan;MA Hongtao;LI Gen(Shandong Institute for Product Quality Inspection,Jinan 250100,China;Huadian Electric Power Research Institute Co.,Ltd.,Jinan 250000,China)

机构地区：[1]山东省产品质量检验研究院,山东济南250100 [2]华电电力科学研究院有限公司,山东济南250000

出　　处：《物理测试》2025年第1期30-33,共4页Physics Examination and Testing

摘　　要：利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)和能谱仪(EDS)等检测手段对某汽车用制动器衬片企业生产的新配方刹车片表层白色未知物的组成进行了鉴别分析。结果表明,汽车用制动器衬片表层发现的白色未知物成分为MgO。通过XRD图谱进行物相分析,配合SEM/EDS结果进行元素分析,最终确定白色未知物组成。未知物的检测分析为产品创新、生产工艺优化与改进、质量控制等提供及时有用的信息,在生产领域有着很强的实用价值。The composition of white unknown substance on the surface of brake pad with new formula which was produced in one brake facing enterprise for automobiles was identified and analyzed by means of X-ray diffraction(XRD),scanning electron microscope(SEM)and energy dispersive spectroscopy(EDS).The results showed that the component of white unknown substance on the surface of brake facing was MgO.The phase analysis of white unknown substance was eventually determined based on X-ray diffraction,and its elemental analysis was conducted by scanning electron microscope(SEM)and energy dispersive spectroscopy(EDS).Then,the composition of the white unknown substance was finally determined.The detection and analysis of unknown substance provided timely and useful information for product innovation,optimization and improvement of production process and quality control,and it had good practical value in the production field.

关 键 词：未知物分析 刹车片 X射线衍射(XRD) 能谱(EDS) 扫描电子显微镜(SEM) 

分 类 号：U463.5[机械工程—车辆工程] O657[交通运输工程—载运工具运用工程]