Railway Castings, as key load-bearing parts in railway techniques, have their internal microstructure straight determining the performance and repair lifestyle. Metallographic analysis, by revealing the microstructure properties of resources, offers a immediate basis for the quality assessment of monitor castings. one.Technological methods of metallographic Examination one.one Metallo... https://www.vevioz.com/post/1839292_this-is-the-periodic-wear-on-the-top-surface-of-the-rail-resembling-waves-when-t.html