Fig. 3

Light microscopy (LM) images of the cross-section of boride AISI H13 tool steel at varying durations (2, 4, and 6 h) and temperatures (850, 950, and 1050 °C), etched with 2% Nital. Specimens (A–I) correspond to those listed in Table 3.

Light microscopy (LM) images of the cross-section of boride AISI H13 tool steel at varying durations (2, 4, and 6 h) and temperatures (850, 950, and 1050 °C), etched with 2% Nital. Specimens (A–I) correspond to those listed in Table 3.