Railway Castings, as important load-bearing components in railway systems, have their interior microstructure instantly pinpointing the general performance and repair lifestyle. Metallographic Investigation, by revealing the microstructure features of components, provides a immediate foundation for the quality evaluation of track castings. one.Technical ways of metallographic analysis... https://www.mymeetbook.com/post/997344_rail-grinding-this-art-carried-out-amid-sparks-flying-quietly-safeguards-the-hea.html