“…Proc. 2024, 64, 12 5 of 6 of the "mesh" M 23 C 6 particles on grain boundaries can be removed by the release of the γ phase at the grain boundaries, blocking the growth of M 23 C 6 [5]. Inside the grains, small carbides with a plate-like and rod-like shape are observed after long-term aging (Figure 5).…”