Railway Castings, as vital load-bearing elements in railway methods, have their interior microstructure instantly pinpointing the general performance and service lifestyle. Metallographic Assessment, by revealing the microstructure features of components, provides a immediate foundation for the quality evaluation of track castings. one.Technical methods of metallographic Assessment 1.... https://www.bib.az/post/227917_in-curved-sections-or-areas-with-frequent-braking-the-surface-of-the-rail-will-d.html