The effect of crack tip environment on crack growth behaviour of a low alloy steel at cathodic potentials in artificial seawater
Yong Lia, Zhiyong Liua,b,*(), Endian Fana, Zhongyu Cuic, Jinbin Zhaoa,d

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Fig. 6.. Images of corrosion products on the fracture surface of E690 steel at various potentials: (a) OCP, (b) -0.75 V, (c) -0.85 V, and (d) -1.05 V. (e) EDS results and (f) in situ Raman spectra on the fracture surface of E690 steel.