Corrosion Testing and Evaluation of Inhibitors Performance

Year : 2026 | Volume : 16 | Issue : 01 | Page :
    By

    *Rajesh Kumar Singh,

  • Kumar Rajeev,

  • Manjay Kumar Thakur,

  1. Principal, T P V College, Narkatiaganj, West Champaran, B.R.A. Bihar University, Muzaffarpur, Bihar, India
  2. Teacher, Zila School, Chapra-841301, Bihar, India
  3. Assistant Professor, Department of Chemistry, Gopeshwar College, Hathwa, Gopalganj-841428, J.P. University, Chapra, Bihar, India

Abstract

Choosing test methods that will analyze specific needs, like film barrier strength that real field settings is essential for the proper evaluation and development of inhibitors. The flowing loop and the bubble test are two examples of the first and second, respectively. Corrosion is measured by gravimetric, electrical noise, alternating-current impedance, potentiodynamic measurement, linear polarization and gravimetric. The inhibitors action can be analyzed in different corrosive environments. Their performance is studied in gas, liquid and solid form as per materials surrounding situations. Their surface coverage areas, coating efficiencies, barrier formation and scavengers qualities are studied at various surrounding, temperatures and concentrations on materials. In a hostile medium, materials interact with corrosive substances producing corrosion cell thus deterioration takes place inside and outside materials. Due to corrosion reaction galvanic, pitting, crevice, stress and others forms of corrosion observe on their surface. These forms of corrosion can be controlled by the use of inhibitors. The action of inhibitors corrosion rate of metals is minimised and enhance their physical, chemical and mechanical properties. They develop a protective barrier on the surface and check the osmosis or diffusion process of liquid and gaseous compounds. Some inhibitors are to be found in nano size so they inter inside of materials and stop internal corrosion. Few inhibitors works as scavenger for the removal dissolve oxygen in corrosive medium to control corrosion. Inhibitors occur in form of solid, liquid and gas and they can be used as per situations  of surrounding environments. They are available in form of anodic, cathodic and anodic and cathodic inhibitors. Their surface deposition properties were studied by Langmuir, Freundlich and Temkin isotherm. They are bonded with base materials by physical and chemical bonding. Their bonding properties can be confirmed using activation energy, adsorption isotherm, free energy, entropy and enthalpy. Inhibitors surface areas are large so it low doses cover more surface and form a thin film on metal interface thus the attack of corrosive substances can be controlled.

Keywords: Inhibitors, Film barrier strength, Electrical noise, Potentiodynamic measurement, thermalparameters

[This article belongs to Journal of Materials & Metallurgical Engineering ]

How to cite this article:
*Rajesh Kumar Singh, Kumar Rajeev, Manjay Kumar Thakur. Corrosion Testing and Evaluation of Inhibitors Performance. Journal of Materials & Metallurgical Engineering. 2026; 16(01):-.
How to cite this URL:
*Rajesh Kumar Singh, Kumar Rajeev, Manjay Kumar Thakur. Corrosion Testing and Evaluation of Inhibitors Performance. Journal of Materials & Metallurgical Engineering. 2026; 16(01):-. Available from: https://journals.stmjournals.com/jomme/article=2026/view=241316


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Regular Issue Subscription Original Research
Volume 16
Issue 01
Received 11/04/2026
Accepted 17/04/2026
Published 29/04/2026
Publication Time 18 Days
10

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