Overview of Intermetallic Sigma () Phase Precipitation in Stainless Steels
Figure 12
CALPHAD result of the phases (a) Original Fe-22Cr-5.5Ni, (b) Fe-22Cr-5.5Ni-3MoFe-22Cr-5.5Ni, (c) Fe-22Cr-5.5Ni-3Mo-1.7MnFe-22Cr-5.5Ni, (d) Fe-22Cr-5.5Ni-3Mo-1.7Mn-0.4Si, (e) Fe-22Cr-5.5Ni-3Mo-1.7Mn-0.4Si-0.14N, and (f) Fe-22Cr-5.5Ni-3Mo-1.7Mn-0.4Si-0.14N-0.24C stainless steels [46].
