Railway Castings, as important load-bearing components in railway systems, have their interior microstructure instantly determining the performance and repair lifestyle. Metallographic Assessment, by revealing the microstructure features of components, provides a immediate foundation for the quality evaluation of track castings. 1.Technological methods of metallographic Assessment 1.o... https://socialcreditu.com/post/9248_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html