Skip to main content
. 2019 Apr 29;12(9):1385. doi: 10.3390/ma12091385

Figure 7.

Figure 7

The SEM micrograph of the Cr–Mn–Ni–N–Cu austenitic stainless steel sample aged at 700 °C for 300 min after etching in the mixture of concentrated HCl/HNO3 (3:1 in volume fraction) for 30 s.