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Corrosion failure analysis

2016-11-11 Rongda test 593 times

Corrosion failure analysis
Detection Content

Detection Purpose: Understand the cause of corrosion, determine the type of corrosion and avoid reducing corrosion

Detection range: Metal products and alloy materials

Uniform corrosion is the most common type of corrosion. It is corroded by chemical or electrochemical reaction on the whole exposed metal surface or a considerable area. The metal thinned to failure due to corrosion. Strictly speaking, the degree of thinning is not necessarily uniform (equal) in all parts, but corrosion does occur on the whole or large area of the surface, so uniform corrosion is also called comprehensive corrosion.

Uniform corrosion consumes a large number of metal materials. Relatively speaking, the degree of danger is the smallest. It is easier to predict with corrosion rate. There are many protection methods and easy to monitor. Even though uniform corrosion is inevitable in some cases and difficult to protect, it can also be replaced when the metal components are thinned to a certain extent due to corrosion, so as not to cause rapid perforation or sudden fracture.

No matter in the laboratory prediction or failure analysis of the corrosion rate, the weight loss method is often used to study the corrosion rate.


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