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Fe–B alloys with Fe 2 B as the hard phase exhibit excellent wear resistance, liquid zinc corrosion resistance, and low raw material cost, showing broad prospects in metallurgy and hot‐dip galvanizing. This review summarizes the regulation of their microstructure and properties. Heat treatment and hot forging can break the boride network to improve toughness. Alloying elements and modifiers (Ti, RE) have optimal addition ranges, improving wear resistance by refining borides or strengthening the matrix; excess addition degrades performance. The Fe–Cr–B system has superior wear resistance but is unsuitable for liquid zinc because Cr destroys the boride network. The Fe–B–C system exhibits better liquid zinc corrosion resistance. The vertical [002] orientation of Fe 2 B provides the best corrosion resistance due to the interface pinning effect. Future research should focus on the toughness‐hardness trade‐off, wear‐corrosion coupling mechanisms, and low‐cost orientation control.
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Shan et al. (2026) studied this question.
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