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A Rapid Method to Predict the Effectiveness of Inhibited Engine Coolants in Aluminum Heat Exchangers
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English
Abstract
The galvanostatic polarization method was used to determine the pitting potentials of candidate wrought aluminum alloys in inhibited ethylene glycol engine coolants. It was shown that the relative value of the pitting potential is an excellent measure of the long-term effectiveness of the coolants in preventing spontaneous pitting and crevice attack in the aluminum heat exchangers. The long-term effectiveness was determined by metallographic examination of aluminum heat exchangers subjected to a four-month, 50,000 mile simulated service circulation test.
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Wiggle, R. and Hospadaruk, V., "A Rapid Method to Predict the Effectiveness of Inhibited Engine Coolants in Aluminum Heat Exchangers," SAE Technical Paper 800800, 1980, https://doi.org/10.4271/800800.Also In
References
- Wiggle R. R. Hospadaruk V. “The Effectiveness of Engine Coolant Inhibitors for Aluminum,” presented at NACE, National Conference Chicago March 1980