Influence of Partial Replacement of Nickel by Nitrogen on Microstructure and Mechanical Properties of Austenitic Stainless Steel

Figure 1

Microstructure of heat-treated (a) reference steel at 1100°C, (b) reference steel at 1200°C, (c) modified steel at 1100°C, and (d) modified steel at 1200°C (etched with 40% glycerin, 40% nitric acid, and 20% hyrochloric acid).

(a)

(b)

(c)

(d)