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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Study of the Stability of Brass Coated on Steel Cords with pH and Applied Constant Potential Changes in Aqueous Solutions by AC Impedance Measurements

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.3, pp.293-298
Ko, Young Chun
Chung, Keun Ho
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Abstract

The stability of brass coated on steel cords with pH and applied constant potential changes in aqueous solution has been investigated by AC impedance measurements. In solutions of the constant pH, as a applied constant potential is shifted to positive potential, the coating pore resistance is reduced. The fact indicates that as a applied constant potential is shifted to positive potential, the brass coated is dissolved more in solution. The stability of brass coated on steel cords decrease in the order pH

keywords
Brass coated steel cords, Stability, AC impedance, Coating pore resistance, SEM/EDS


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