Combined Salt Spray Test Chamber: A More Realistic Cyclic Corrosion Testing Solution
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Release time:
Mar 31,2026
This month, the company acquired a new piece of equipment—the combined salt spray testing chamber—further bolstering our testing capabilities.
Cyclic corrosion testing is a salt spray test that more accurately simulates real-world exposure than conventional steady-state exposure. Since outdoor exposure typically involves alternating dry and wet conditions, laboratory accelerated tests only make sense when they replicate these natural, cyclical environmental conditions. Studies have shown that, following cyclic corrosion testing, the relative corrosion rate, microstructure, morphology, and overall corrosion behavior of test specimens closely resemble their performance in outdoor environments. Consequently, cyclic corrosion testing provides a more realistic representation of outdoor exposure than traditional salt spray spraying. It effectively evaluates a wide range of corrosion mechanisms, including uniform corrosion, electrochemical corrosion, and crevice corrosion. The primary objective of cyclic corrosion testing is to reproduce the types of corrosion encountered in outdoor environments by subjecting test specimens to a sequence of alternating environmental conditions. Simple exposure cycles, such as the Prohesion test, involve exposing specimens to alternating cycles of salt spray and drying. More complex automotive testing methods, in addition to salt spray and drying cycles, also incorporate humidification and dwell periods. Initially, these test cycles were performed manually: laboratory technicians would transfer specimens from the salt spray chamber to a humidity chamber and then to a drying or dwell unit. Today, Zhenke Instruments’ microprocessor-controlled test chambers automate these steps, thereby reducing experimental variability and uncertainty.
In summary, compared with conventional salt spray testing, cyclic corrosion testing more accurately simulates complex outdoor corrosive environments, and its results closely align with real-world operating conditions. The company’s newly commissioned multi-condition cyclic corrosion test chamber can automatically perform multi-condition cyclic corrosion tests, thereby significantly enhancing test accuracy and stability and providing more reliable technical support for product quality control and R&D innovation.
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Mar 31,2026
Mar 31,2026
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Address: No. 39-6-1, No. 2, Gangxing Street, Economic and Technological Development Zone, Dalian City, Liaoning Province
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