Tougher without losing strength
Refines cementite lamellae in pearlite via isothermal partitioning annealing, significantly improving impact toughness of ferrite-pearlite low-alloy steel while maintaining strength.
Li, Zhenjiang · Pengzhe, Wu · You-Chao, Pang · Qi, Huiping · Yang, Wen
Construction and Building Materials 2025
Impact toughness initially increases then decreases with partitioning temperature, with an optimal value
Strength and hardness remain unchanged across partitioning temperatures