The various high-strength steels differ from each other in their resistance to brittle fracture under stress in the presence of a notch; this property, called notch sensitivity, also varies with heat treatment. It is shown that this purely mechanical phenomenon may terminate a stress-corrosion test in such fashion as to give an erroneous impression of the rate of stress-corrosion cracking.
Extensive fracture strength data are reported on modified Type 422 steel specimens tempered at 875 F and 1075 F and stress corrosion cracked. Crack growth behavior for 11 specimens is shown graphically. 3.2.2
Copyright 1959 by the National Association of Corrosion Engineers.
1959
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