|
Treatment : spheroidised
Magnification : 200 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
stress crack arisen at the cooling of the rod wire,
before
the annealing ; defect depth 0,17 mm
|
Treatment : spheroidised
Magnification : 500 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
stress crack arisen at the cooling of the rod wire,
before
the annealing ; defect depth 0,17 mm
light scaled surroundings of the defect |