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《Physical Testing and Chemical Analysis(Part A:Physical Testing)》 2017-02
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Failure Analysis on Mechanical Equipments(Continued) Lecture 4 Metallographic Analysis Technique(Part Ⅰ)

WANG Rong;Shanghai Research Institute of Materials;Shanghai Key Laboratory of Engineering Materials Application and Evaluation;  
Metallographic analysis technique is one of the most widely used metallic materials analysis techniques,and it can be divided into macro metallographic analysis technique and micro metallographic analysis technique.Firstly,the macro metallographic analysis technique was introduced and its application in failure analysis was exemplified.Then,the micro metallographic analysis technique was introduced in detail from the aspects of compositions of optical metallographic microscope,detailed process and matters needing attention of metallographic sample preparation,as well as erosion method of metallographic samples.Finally,through a large number of representative typical examples,the application of two kinds of micro metallographic analysis techniques,namely optical microscope technique and electron microscope technique,in failure analysis was introduced.The practice has proved that metallographic analysis technique often reveals the essence of component failure phenomenon with its rich connotation and extension,and plays a very important role in the failure analysis of mechanical equipments.
【Fund】: 上海市金属材料检测分析与安全评估专业技术服务平台资助项目(16DZ2290800)
【CateGory Index】: TG115.21
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