Lack of fusion in flash butt welding of rails of 60/52 Kg, 90UTS, 880 Grade Rail, whether it is detectable or not by USFD machine model Einstein (II) AT with 70 Degree single crystal 2MHZ probe manufactured by M/S Modsonic Instruments manufacturing company, Naroda, Ahmedabad, Gujarat, India.
Kindly give your valuable suggestion and comments.
http://modsonic.com/einstein2at/
http://modsonic.com/angle_probes/