Electrochemical corrosion testing by Element helps stop metals from reacting in ways that are bad for the environment. We use many different methods, like electrochemical impedance spectroscopy, to test how likely something is to corrode, so we can give you fast and accurate performance data.

Corrosion Testing:

Salt spray or fog testing can be used to see how coated samples corrode in the air. Here, a chamber with the temperature set to 95°F (35°C) is used to atomize a 5 percent NaCl solution. The durability of test samples is measured by how long they can stay protected from corrosion.

How Corrosion Happens:

Microbiologically Induced Corrosion (MIC), Crevice Corrosion, Galvanic Corrosion, and Uniform Corrosion are the four types of corrosion.

Tests for electrochemical corrosion include the following:

  • Measurements of linear polarization resistance (LPR) and polarization curves based on Potentiodynamic.
  • Measurements for intergranular corrosion using electrochemical potentiokinetic reactivation (EPR).

Analysis by Electrochemical Means:

In this unit, analytical methods like ion-selective electrodes, electrode position, coulometer, electrochemical titrations, and voltammetry methods like anodic stripping voltammetry, linear sweep voltammetry, differential pulse linear sweep voltammetry, and cyclic voltammetry are developed.

Corrosion is always caused by oxidation and reduction reactions that are part of an electrochemical process. When corrosion happens, electrons leave the metal (oxidation) and are taken by elements in the corroding solution (reduction). Since the corrosion reaction involves the flow of electrons (current), it can be measured and controlled electronically. So, controlled electrochemical experimentation can be used to figure out how metals and metal parts corrode when they are put together with different electrolyte solutions. Each metal/solution system has its own set of characteristics that make it corrode.

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