Review Article

Overview of Intermetallic Sigma ( 𝜎 ) Phase Precipitation in Stainless Steels

Figure 5

Microstructural observation of the 𝜎 phase with different working conditions in the austenitic stainless steels (a) as casting AISI 309 LSi stainless steel, (b) as rolled AISI 316 stainless steel, (c) with 50% rolling ratio in AISI stainless steel [25].
732471.fig.005a
(a)
732471.fig.005b
(b)
732471.fig.005c
(c)