Examinations to the sigma-phase (1.4427)
Treatment : untreated
Magnification : 200 : 1
Etching medium : Groesbeck reagent - etching period 5 minutes
Sampling / Specification : longitudinal
Testing result :
greater amounts of sigma-phase in the segregations
the sigma-phase is colored
Treatment : untreated
Magnification : 200 : 1
Etching medium : aqua regia (V2A-pickle)
Sampling / Specification : longitudinal
Testing result :
greater amounts of sigma-phase in the segregations
the sigma-phase is etched stronger