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Microwave absorbing properties and enhanced infrared reflectance of Fe/Cu composites prepared by chemical plating

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Volume
355
Identifiers
DOI: 10.1016/j.jmmm.2013.11.055
Keywords
  • Chemical Plating
  • Microwave Absorbing Properties
  • Infrared Emissivity
  • Magnetic Properties
Disciplines
  • Chemistry
  • Physics

Abstract

Abstract Fe/Cu composite samples with Cu particles depositing on carbonyl iron sheets were prepared by chemical plating. Cu additions were uniformly distributed on the grain boundaries of the flaky carbonyl iron while keeping the internal structure of iron. Meanwhile, we found that the chemical plating time made a key point on both the microwave absorbing properties and infrared emissivity. With the growth of chemical plating time, the value of reflection loss gives a linear decrease and the infrared emissivity is reduced with a tendency of index reduction. When the plating time is less than 30min, the reflection loss of the samples maintains above −20GHz, moreover, prolonging the plating time more than 30min, the infrared emissivity of the samples is reduced to 0.50 or less. It can be concluded that both the microwave absorbing and infrared properties are excellent at the optimal plating time of 30min.

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