September 12, 2025MetalsOpen Access

Evolution of Microstructure and the Influence of Carbides on Hardness Properties in Martensitic Stainless Steel 90Cr18MoV During Heat Treatment

View Full Paper

Ask AI

Bookmark

The study determined that secondary hardening in tempered samples is due to co-precipitation of two carbides, M23C6 and MC.
Specifically, carbides with sizes ≤20 nm enhance hardness, while those >30 nm decrease it, impacting material properties.
Using Thermo-Calc software, the heat treatment process was optimized based on phase diagrams.
Microstructural analysis through SEM, XRD, and TEM revealed intricate relationships between precipitates and hardness.

Discussion

No takes yet. Share an insight, caveat, or question.

This analysis reveals that carbides influence microhardness in martensitic stainless steel, suggesting optimization strategies for heat treatment.

Yuan et al. (2025) studied this question.

View Full Paper

Ask AI

Bookmark

This analysis reveals that carbides influence microhardness in martensitic stainless steel, suggesting optimization strategies for heat treatment.