Effect of Nb microalloying on austenitization, continuous cooling transformation behavior and mechanical properties of seismic-resistant rebar

Key Points

• Mechanical properties improve with niobium microalloying, enhancing rebar strength and durability.
• Continuous cooling transformation behavior shows significant changes due to the microalloying process, affecting material safety.
• Austenitization processes indicate changes to phase stability in microalloyed rebar materials, revealing enhanced performance under stress.
• Findings support the potential of niobium microalloying to optimize structures in earthquake-prone regions.