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Metal roofing material is commonly used for residential and industrial roofs in volcanically active areas. Increased corrosion of metal roofing from chemically reactive volcanic ash following ash deposition post-eruption is a major concern due to decreasing the function and stability of roofs. Currently, assessment of ash-induced corrosion is anecdotal, and quantitative data are lacking. Here, we...
The corrosion behaviour of Ti 3 Al and Ti 3 Al-11 at.% Nb was studied and compared to Ti with salt fog spray test and electrochemical methods in NaCl, HCl, H 2 SO 4 and HNO 3 solutions. The corrosion mechanism of Ti 3 Al in salt fog is suggested to be the dissolution of Al and oxidation of Ti. Polarisation curves of Ti 3 Al and Ti 3 Al-11Nb...
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