Alumina nanostructured coating for corrosion protection of ۳۱۶L stainless steel

Nanostructured alumina thin films were coated on stainless steel by Sol-Gel dip coating method. In order to prevent crack formation, Al2O3 films were kept in a solvent bath immediately after coating to reduce the rate of drying. Effects of calcination temperature and withdrawal speed on structural properties were analyzed using XRD and SEM. Topography and thickness of coatings were analyzed by AFM. Effects of the above parameters on anticorrosion performance of coats have been evaluated through electrochemical polarization technique. The results indicated that the optimum calcination temperature to achieve the best corrosion protection was 400ºC. The thickness of one time coating with 1mm/s withdrawal speed was about 146 nm.

Alumina nanostructured coating for corrosion protection of 316L stainless steel Keywords:

Alumina , Nanostructured coating , sol gel , Dip-Coating , Corrosion resistance , Polarization

Alumina nanostructured coating for corrosion protection of 316L stainless steel authors

P. Doodman

Department of Material Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran

M. A. Faghihi-Sani

Department of Material Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran

N. Barati

۲Department of Materials Science and Engineering, Sharif University of Technology, Azadi Street, P.O. Box ۱۱۳۶۵-۹۴۶۶, Tehran, Iran

A. Afshar

۱Department of Material Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.

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Link to this Paper:

https://civilica.com/doc/1483161

Document National Code:

JR_IJND-5-1_004

Index date: 14 July 2022

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Doodman, P. and Faghihi-Sani, M. A. and Barati, N. and Afshar, A.,1393,Alumina nanostructured coating for corrosion protection of 316L stainless steel,https://civilica.com/doc/1483161

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Ranking of Islamic Azad University of Science and Research Branch, Tehran

Type of center: دانشگاه آزاد

Paper count: 54,471

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