Physicoсhemical Features of the Mechanism of the Biocorrosion of D16T Duralumin by Microscopic Fungi

A study is performed of the biocorrosion of D16T duralumin. A mechanism of biocorrosion is proposed in which the initiators of corrosion damage of the alloy D16T are reactive oxygen species produced by microscopic fungi. It is proposed that hydrogen peroxide, which forms due to the activity of micromycetes and the activation of oxygen by zero-valent aluminum (ZVA1) participates in the biocorrosion of D16T alloy. Mechanisms of the intergranular, pitting, and ulcerative corrosion of duralumin are revealed that result from interaction between the metal and micromycetes.