Interdisciplinary

Electric rain can eat through metal

How the science connects

ElectrochemistryCorrosionTriboelectricity

AI Insight

Research has demonstrated that water flowing down smooth surfaces becomes electrically charged through the interaction between the water molecules and the surface material. This electrification process can accelerate the corrosion of metals that come into contact with the charged water, representing a previously unrecognized mechanism of material degradation.


This discovery has significant implications for infrastructure design and maintenance, particularly for buildings, pipelines, and other structures regularly exposed to rainwater or flowing water. Understanding this electrochemical corrosion pathway could lead to improved protective coatings and material selection to extend the lifespan of metal structures.


New research shows that water becomes electrified as it slides down smooth surfaces, leading to corrosion

Source: Electric rain can eat through metal