Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 484, Issue 1-2, Pages 395-399Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2009.04.110
Keywords
Leafing Cu; Infrared emissivity; Coatings; Leafing degree; Ball milling
Categories
Funding
- National Natural Science Foundation of China [90505008]
- Weaponry Equipment Pre-research Foundation of China [51410040305HK0214]
- [xxxxx03zt2-06-ZZT2]
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Leafing copper (Cu) powders with leafing degree from 20% to 67% were prepared by the ball milling method using raw non-leafing Cu, white spirit(WS)and stearic acid (SA)as precursor, slurry and lubricant, respectively By optimizing the technical parameters, high leafing degree Cu powders were prepared and characterized by FTIR, XRD and SEM. Moreover, the infrared emissivity of Ethylene-Propylene-Diene Monomer (EPDM)/Cu coatings obtained by a simple preparation method using EPDM as organic binder and Cu with different leafing degrees as inorganic pigment was examined. It was demonstrated that the leafing degree of as prepared Cu plays an important role in decreasing the emissivity of EPDM based coatings, and the lowest emissivity value can be as low as 0.10. The study provides a simple effective way to greatly decrease the emissivity of coatings. (C) 2009 Elsevier B.V. All rights reserved.
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