Research Article

Exploratory Study of Sensitization in Cryogenically Cooled Ferritic Stainless Steel Welds

Figure 7

Microstructure of the HTHAZ of cryocooled weld etched electrolytically in 10% oxalic acid.
(a) 423 J/mm
(b) 518 J/mm
(c) 1296 J/mm