Railway Castings, as key load-bearing parts in railway programs, have their inner microstructure straight figuring out the overall performance and repair existence. Metallographic analysis, by revealing the microstructure characteristics of elements, gives a immediate basis for the standard evaluation of monitor castings. one.Specialized ways of metallographic analysis 1.one Metallogr... https://social.kubo.chat/post/239995_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html