Railway Castings, as critical load-bearing components in railway systems, have their interior microstructure instantly pinpointing the general performance and repair lifestyle. Metallographic Assessment, by revealing the microstructure features of resources, offers a immediate basis for the quality evaluation of track castings. one.Technical methods of metallographic analysis 1.one Me... https://www.malikmobile.com/story/191997-with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html