Markov Chain Models for the Stochastic Modeling of Pitting Corrosion

Figure 2

Histograms of the pipeline pit depth distributions measured by ILI in 2002 (grey) and in 2007 (hatched). The solid line is the Markov-estimated pit depth distribution for 2007. In the inset, the Markov-derived pitting rate distribution for the period 2002–2007 is presented.