Corrosion characteristics of an automotive coolant formulation dispersed with nanomaterials

Author:

Gandham Sriganesh1,Nettem V. Choudhary1,Peddy V.C. Rao1,T. A. Rajiv Kumar1,Vadapalli Srinivas2

Affiliation:

1. Corporate R&D, Hindustan Petroleum Corporation Ltd , Benguluru , India

2. Mechanical Engineering, GITAM , Rushikonda Visakhapatnam, Andhra Pradesh 530045 , India , e-mail: .

Abstract

Abstract This paper summarizes the anti-corrosive and anti-erosive properties of water-ethylene glycol based commercial coolant dispersed with nanomaterials. Multiwalled carbon nanotubes (MWCNTs), silver nanoparticles (Ag) and nanosized alumina particles (Al2O3) are dispersed in 0.5% weight in automotive coolants and tested for anti-corrosive properties as per ASTM standards. Prior to dispersion, the nanomaterials are surface modified to get good stability in coolant solutions. The corrosion resistance is measured in terms of weight loss of materials that is commonly used in automotive systems. It is found that oxidized MWCNTs are suitable to automotive systems while silver and Al2O3 nanoparticles are found to be deleterious in nature.

Publisher

Walter de Gruyter GmbH

Subject

General Materials Science,General Chemical Engineering,General Chemistry

Reference35 articles.

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5. ASTM D1384-05. Standard test method for corrosion test for engine coolants in glassware. Philadelphia, PA: ASTM, 2012.

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