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Coolant capable of enhancing corrosion inhibition, system containing same, and method of manufacturing same

Publication Type

Patent

Date Published

12/2007

Authors

Chang, Je-Young, Choong-Un Kim, Balu Pathangey, Paul J. Gwin, Mark E Luke, Ravi S. Prasher

Abstract

A coolant capable of enhancing corrosion inhibition includes a potassium formate solution having a first concentration of a polyphosphate salt and a second concentration of dicyandiamide. In one embodiment, such a coolant may provide corrosion inhibition that is especially effective for silicon and aluminum, among other materials. The corrosion protection may be enhanced for certain materials by adding benzotriazole in a third concentration to the potassium formate solution.

Year of Publication

2007