Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang110016;
China;
School of Materials Science and Engineering;
University of Science and Technology of China;
Hefei 230026;
China;
Aviation Key Laboratory of Science and Technology on Electromagnetic Environmental Effects;
Shenyang Aircraft Design and Research Institute;
AVIC;
Shenyang 110000;
China;
Foam materials; Microwave absorption properties; Structure effects;