“…Prior to FIB sectioning, a strip of coating is deposited in the FIB to prevent the surface features from ion beam erosion during milling. Figure 4 shows the corrosion of a 316L stainless steel test coupons under supercritical water condition (Li et al, 2011a(Li et al, , 2011b. The typical sizes of FIB cross-sections are usually less than 100 µm.…”