Railway Castings, as vital load-bearing parts in railway programs, have their inner microstructure immediately identifying the functionality and service everyday living. Metallographic Investigation, by revealing the microstructure attributes of supplies, provides a direct foundation for the quality evaluation of track castings. 1.Technological methods of metallographic Assessment 1.1... https://www.dostally.com/post/344382_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html