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What is the counterpart of cathodic?
The counterpart of cathodic is anodic. Anodic refers to the positive electrode in an electrical circuit where oxidation occurs, while cathodic refers to the negative electrode where reduction occurs.
What is the Anodic index of stainless steel?
There is not a straight forward answer. There are many grades and variants of Stainless steel. The highest contributor to the Anodic index of stainless steel is the amount of Chromium in the different grades. Taking this into consideration, High Chromium content Stainless Steel would have an Anodic index of around 0.50, whiles the lowest grade stainless steel variants would have an Anodic index of around 0.85.
Why small anodic area results in intense corrosion?
A small anodic area leads to intense corrosion because it creates a high current density at the anodic site, where metal ions are oxidized and released into the environment. This localized reaction can outpace the surrounding cathodic area, resulting in accelerated metal dissolution. Additionally, the concentration of corrosive species can increase at the anodic site, further exacerbating the corrosion process. Overall, the combination of high current density and localized chemical effects contributes to the intensified corrosion at small anodic areas.
What does the term anodic mean?
The term "anodic" refers to the electrode or region in an electrochemical cell where oxidation occurs. In simple terms, it is the positively charged electrode where electrons are released.
Why anodic inhibitors are not satisfactory?
there is a certain critical concentration of solution above which inhibition may be experienced... when an insufficient concentration is used all the anodic areas may not be covered, as a result it leads to increase in current density at that place......hence, it can be dangerous..if not used in right concentration...
Write differences between Anodic Coatings and cathodic coatings?
In anodic system, small amounts of the metal migrates into the coating film limiting it's usefulness in corrosion protection. Anodic coatings are used in less severe environments and are generally economical and produce a nice surface finish. Cathodic systems produce an coating free of metal migration and are much more robust. These systems are useful in heavy corrosive environments.
What has the author A Jenny written?
A. Jenny has written: 'The anodic oxidation of aluminium and its alloys'
What is anodic protection and how it can be done?
Anodic Protection is an electrochemical technique used to prevent corrosion on metals which exhibit a passive behavior in highly acidic or alkaline environments. Anodic Protection is commonly found on Sulfuric Acid tanks and Kaymr Digesters.
What has the author D Ghidaoui written?
D. Ghidaoui has written: 'Electrochemical and anodic behaviour of gallium arsenide'
Why does a steel pipe in a large copper tank corrode causing rapid destruction?
the joints of wire mesh are stressed so this become anodic wrt unjoined wires .at these anodic parts oxidation takes place and metal is corroded fast while cathodic part remains un effected.
What is anodize?
In Chemistry an anodic is an electroplating cell in an electrode in which it gets a negative charge as in a negative charge from a chemical reaction in a battery.
What can accelerate corrosion reactions?
Anodic current; temperature; acid; repeated stress (stress corrosion cracking); water; salts especially chlorides; a dissimilar metal placed in direct contact (galvanic corrosion). Poor painting (pinhole corrosion - concentrates all the anodic current in one small place) and others
