Intergranular corrosion test

Release time:

2018-03-02

intergranular corrosion test

Intergranular corrosion, a type of localized corrosion. Corrosion that spreads inward along the boundaries between metal grains.

Intergranular corrosion test (intergranular corrosion test) refers to the accelerated metal corrosion test method to test the intergranular corrosion sensitivity of metal materials under specific medium conditions. The purpose is to understand whether the chemical composition, heat treatment and processing technology of the material are reasonable. The principle is to use various test solutions that can make the corrosion potential of the metal in a specific interval of the constant potential anode polarization curve, and to accelerate the display of intercrystalline corrosion by using the significant difference between the grain and grain boundary of the metal in the potential interval.

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