Laboratory Cyclic Corrosion Test Chamber Salt Spray Surface Coating Corrosion Resistance

Laboratory Salt Spray Surface Coating Corrosion Resistance Tester Climate Cyclic Chamber

Brief Introduction:

Cyclic corrosion tests (CCTs) are intended to produce failures representative of the type found in outdoor corrosive environments. They expose specimens to a series of different environments in a repetitive cycle. Simple exposures like Prohesion may consist of cycling between salt fog and dry conditions. More sophisticated automotive methods call for multi-step cycles that may incorporate immersion, humidity and condensation, along with salt fog and dry-off.

Consequently, cyclic tests usually give better correlation to outdoors than conventional salt spray tests. They are effective for evaluating a variety of corrosion mechanisms, including general, galvanic and crevice corrosion.

Cyclic corrosion testing is intended to be a more realistic way to perform salt spray tests than traditional, steady-state exposures. Because actual atmospheric exposures usually include both wet and dry conditions, it makes sense to pattern accelerated laboratory tests after these natural cyclic conditions. Research indicates that, with cyclic corrosion tests, the relative corrosion rates, structure and morphology are more similar to those seen outdoors.

Cyclic corrosion testing simulates the closet actual natural environment, such as salt spray, drying, humidity and temperature alternating. The testing is strict than natural environment, and can be programmed or tested individually.

It is widely used to test corrosion resistance of automotive, paint, surface coating, chemical, aerospace, electronic, car industry, offshore and defense industries.

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