注鐵強化木材

Researchers at Florida Atlantic University developed an iron‑infused wood material by impregnating natural wood with iron compounds and subsequently converting those compounds into iron-based minerals within the cell walls and lumens. The treatment increases the wood’s density and mechanical strength compared with untreated timber, while preserving the hierarchical, lightweight structure of the original material. Laboratory testing reported improvements in hardness, compressive strength, and resistance to deformation, suggesting potential for structural and load‑bearing applications where higher strength‑to‑weight performance is beneficial.

The iron infusion also modifies the wood’s thermal and fire behavior, providing increased char stability and slower combustion rates relative to untreated wood, and it can impart additional functional properties such as magnetic responsiveness depending on the iron phase formed. Researchers note that further work is required to assess long‑term durability, moisture and decay resistance, environmental impacts of treatment and end‑of‑life disposal, scalability of the processing method, and cost competitiveness relative to conventional engineered wood and metal alternatives before the material can be widely adopted in construction or consumer products.