There are two basic methods of electrochemical measurement for materials selection and evaluation:
Matergenics has six Gamry systems to meet your electrochemical testing requirements
Electrochemical corrosion tests include the following techniques:
Samples for electrochemical corrosion testing must utilize electrical conductors and must be small enough to fit in the polarization cell. Components can be tested as a whole or as a smaller section. Metal coupons are specially prepared for some tests.
EIS technique is used to evaluate materials and coatings in corrosive environments. EIS measures impedance of the coating at different frequencies. This is an indication of barrier effect of the coating. Barrier coating will exhibit high impedance in corrosive exposures. Changes in electrical properties determined by EIS experiments have been found to closely resemble long-term performance of coatings.This way EIS method can detect deterioration at metal/coating interfaces well before defects become visible, and with greater accuracy than artificial testing methods such as salt spray.
Electrochemical Corrosion Cells
The above photos show various “Electrochemical Corrosion Cells” at our electrochemical laboratory to test corrosion of bare or painted test coupons
Impedance Measurements on Organic Coatings on Mild Steel in Sodium Chloride Solutions Impedance Spectroscopy provides very useful information about protective coatings. The above plots clearly exhibits how good the coating is!
An Electrochemical Technique to Measure Diffusible Hydrogen in Metals We have four Hydrogen Permeation Cell Set ups to Determine Hydrogen Diffusivity , permeability Through Metals
Electrochemical Techniques used for Corrosion Measurements:
We are here to help
We respond to all customers promptly by sending a technical proposal to address testing, investigation and the proposal costs. If we need more information, our engineers will contact you.
Whether you are a large corporation or a small enterprise, we will provide you with the attention you need and deserve. In so doing, we hope to work with you for many years to come.
Please call Dr. Zee at 412-952-9441 or 412-788-1263 and let us know how we can assist you in your electrochemical or corrosion investigation. Alternatively, you can send your request to firstname.lastname@example.org.
Looking forward to hearing from you!