Corrosion protection of mild steel using nanomaterials coating

Prasad Lokanathudu Mohan; Ramanujam Saravanathamizhan; Perarasu Vengapattu Thangavelu

doi:10.5937/zasmat2304365P

Autori

Prasad Lokanathudu Mohan Anna University, Department of Chemical Engineering, Chennai, India Autor
Ramanujam Saravanathamizhan Anna University, Department of Chemical Engineering, Chennai, India Autor
Perarasu Vengapattu Thangavelu Anna University, Department of Chemical Engineering, Chennai, India Autor

DOI:

https://doi.org/10.5937/zasmat2304365P

Ključne reči:

zaštita od korozije, nano kompoziti; otpornost na koroziju, meki čelik

Apstrakt

Eksperimentalno je utvrđena efikasnost premaza nanočestica u sprečavanju korozije uzoraka metala od mekog čelika. Oblaganje nanočestica TiO2 i ZrO2 urađeno je premazivanjem četkom. Različiti uzorci su pripremljeni variranjem parametara kao što su debljina premaza, koncentracija nanočestica i temperatura termičke obrade. Stopa korozije i neobloženog mekog čelika i obloženog uzorcima TiO2, ZrO2 određena je u korozivnom okruženju 1M HCl i 3,5 tež% NaCl. Iz eksperimenata je ustanovljeno da su obloženi uzorci mekog čelika pripremljeni na temperaturi 80oC efikasniji od uzoraka pripremljenih na 200oC. Uočeno je da su se bolje pokazali TiO2 premazi pripremljeni u odnosu 2:0,3, debljine prevlake 0,182 mm i termički obrađeni na 80oC i ZrO2 prevlake debljine 0,185 mm, pripremljene od paste nanočestica u odnosu 1:0,3, termički obrađene na 80oC. zaštita mekog čelika u 1MHC i 3,5% rastvorima NaCl u poređenju sa drugim TiO2 i ZrO2 premazima.

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