NDLI: High temperature corrosion study on CVD-MWCNT reinforced aluminium nanocomposites

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High temperature corrosion study on CVD-MWCNT reinforced aluminium nanocomposites

Content Provider	Scilit
Author	Kumar, P. S. Samuel Ratna Jyothi, S.
Copyright Year	2019
Description	Journal: Materials Research Express Aluminium MWCNT nanocomposites were developed using compo- casting technique for homogeneous dispersion of reinforcement into the matrix material. The developed nanocomposite materials were characterized by scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD). The surface morphology of AA5083 and nanocomposites samples after immersion was studied by atomic force microscopy (AFM). The corrosion resistance of MWCNT reinforced aluminium in 1 N sodium hydroxide was studied by weight loss method, electrochemical experiments such as electrochemical impedance spectroscopy and potentiodynamic polarisation methods. Results show that MWCNT reinforced alloy have lower corrosion rates and higher corrosion protection compared to that of unreinforced alloy. The experiments were carried out by changing immersion time from 1- 6 hours and for varying bath temperatures from 303-323 K. The obtained results indicate, at ambient temperature AA5083 – MWCNT composites have better corrosion resistance than the AA5083 matrix material and corrosion resistance decreases when the bath temperature increases.
Related Links	https://iopscience.iop.org/article/10.1088/2053-1591/ab51e0/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/ab51e0
Journal	Materials Research Express
Issue Number	11
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-09-01
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Metallurgy and Metallurgical Engineering
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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