Railway Castings, as essential load-bearing elements in railway methods, have their internal microstructure instantly pinpointing the performance and repair lifestyle. Metallographic analysis, by revealing the microstructure properties of elements, gives a immediate basis for the standard evaluation of monitor castings. one.Technical ways of metallographic analysis 1.one Metallographi... https://www.geto.space/post/72794_this-is-the-periodic-wear-on-the-top-surface-of-the-rail-resembling-waves-when-t.html