176
Platę 2
The microstructure of iron sponge. Nodules of ferritic iron surrounded by oxide-slag
Platę
nd non-meta^^f:
The Blcro8tructure of the bar. Ferrite, perlite a inclusions. Magnifications: 250x (etched by nital)
Platę 4 The mlcrostructure of the knlfe blade after the carburization and!
ąuenching process. Martensite and austenite. Magnifleation: 400x (etched In nltal)
plate 5
The mlcrostructure of the knlfe blade, inclusion
A complex non-metallic