Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 166, Issue 2, Pages 152-157Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mseb.2009.10.031
Keywords
Coatings; Anti-corrosion; Ball-milling; Low infrared emissivity
Funding
- National Natural Science Foundation of China [90505008, (xxxxx03zt2-06-ZZT2)]
- Weaponry Equipment Pre-research Foundation of China [51410040305HK0214]
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The corrosion resistance of low infrared emissivity copper/polyurethane (Cu/PU) coating was markedly improved by surface modification of Cu with silver (Ag) using a ball-milling method. For the purpose of clarifying the effect of the surface modification, the phase and morphology of as-prepared products were investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM), and the corrosion behavior was investigated with potentiodynamic polarization and electrochemical impedance spectra (EIS). As a result, it was found that Ag was homogeneously distributed in Cu and the encapsulation of oil layer on the surface of Ag-Cu composite powders was formed after ball-milling, therefore, compatibility with organic phase was improved, which often keeps the low infrared emissivity and enhances the anti-corrosion performance of the coating. (C) 2009 Elsevier B.V. All rights reserved.
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