Friction martensite by scraping - 1.2823
Treatment : untreated
Magnification : 100 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
zone with friction martensite 0,015 mm strong
Treatment : untreated
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
zone with friction martensite 0,015 mm strong