|
Treatment : quenched and tempered
Magnification : 12,5 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
hardening stress crack 2,65 mm deep |
Treatment : quenched and tempered
Magnification : 100 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
hardening stress crack
with scaled crack configuration |