NbC-Reinforced CoCrFeNi High-Entropy Alloy

Annealing-tailored pitting resistance

By tuning annealing temperature to control NbC precipitation and dissolution, this alloy achieves a thick, low-defect passive film with superior pitting corrosion resistance.

Chen, Heng · Huang, Yunhua · Lu, Lin · Li, Xiaogang

Corrosion Science 2026

Advantages

thicker and less defective passive film

significantly enhanced pitting corrosion resistance

higher Cr₂O₃ content in passive film