Thermoweld bonding on austenitic 11-14% Mn steel rail - an examination of metallographic features (TM-FM-051)

Bond connections for signalling and traction bonds are attached to rails by the following methods: (a) Drilling (in conjunction with steel or copper plugs in 11-14% Mn rails) (b) Pin-Brazing (c) "Thermit" - type processes (Cadweld, Thermoweld) (d) Gas brazing. All these methods are applied...