Nickel鄄cobalt/ iron coated carbon fibers with different weight increasing ratio were fabricated by elec鄄
troless plating method. The metal coated carbon fibers were characterized by scanning electron micrography(SEM),
TG鄄DTA thermal analysis, FTIR spectra and vector network analyzer. The results show that a continuous layer has al鄄
ready been formed when the ratio of weight increasing reaches 80%. The nickel鄄cobalt/ iron coated carbon fibers be鄄
gan to be oxidized from 389. 8益and 392. 9益, respectively. From the DTA image, we can see that the initial and fi鄄
nal decomposition temperature of the carbon fibers becomes lower after being coated. The infrared extinction perform鄄
ance and microwave鄄absorbing property of nickel鄄iron coated carbon fibers with the maximum absorption of 8. 25 dB is
better than that of nickel鄄cobalt coated carbon fibers. The maximum absorption can reach 9. 9 dB after mixing with
nanomaterials.