Railway Castings, as critical load-bearing elements in railway techniques, have their internal microstructure immediately identifying the efficiency and repair lifetime. Metallographic Evaluation, by revealing the microstructure traits of products, supplies a direct basis for the standard assessment of keep track of castings. 1.Complex methods of metallographic Investigation one.1 Met... https://social.kubo.chat/post/239995_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html