|
Treatment : case hardened
Magnification : 500 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
distance to the surface 0,10 mm
martensitic microstructure
with greater amounts retained austenite (ca. 20
%) |
Treatment : case hardened
Magnification : 1000 : 1
Etching medium : 3 % alcoholic nitric acid
Sampling / Specification : transverse
Testing result :
distance to the surface 0,10 mm
martensitic microstructure
with greater amounts retained austenite (ca. 20
%) |