Volume 39 Issue 1
Feb.  2024
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Article Navigation >  Development and Application of Materials  > 2024  >  39(1): 56-65,73
ZHANG Hongning, LU Tianni, LIU Chunzhong, LI Na, HUANG Zhenwei, ZHANG Qianxi, ZOU Binglin. Study on Wave-absorbing Properties of Layer-by-layer Distributed Composite Thermal Insulation Materials with Different Contents of SmFeN/YSZ[J]. Development and Application of Materials, 2024, 39(1): 56-65,73.
Citation: ZHANG Hongning, LU Tianni, LIU Chunzhong, LI Na, HUANG Zhenwei, ZHANG Qianxi, ZOU Binglin. Study on Wave-absorbing Properties of Layer-by-layer Distributed Composite Thermal Insulation Materials with Different Contents of SmFeN/YSZ[J]. Development and Application of Materials, 2024, 39(1): 56-65,73.
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Study on Wave-absorbing Properties of Layer-by-layer Distributed Composite Thermal Insulation Materials with Different Contents of SmFeN/YSZ

  • 1. School of Materials Science and Engineering, Shenyang Aerospace University, Shenyang 110136, China;

  • 2. Chinese Academy of Sciences, Changchun Institute of Applied Chemistry, State Key Laboratory of Rare Earth Resource Utilization, Changchun 130022, China

  • Received Date: 2023-11-04
    Abstract
  • The rapid development of radar detection technology has put forward higher requirements for the wave-absorbing properties of thermal components such as engines. The commonly used thermal insulation material yttria-stabilized zirconia oxygen (YSZ) does not have wave-absorbing property, and it is currently used to add wave-absorbing agent in the thermal insulation material to realize its stealth from radar. Based on that, we adopt the additive manufacturing technology to lamellarly distribute the lasamarium iron nitrogen (SmFeN) wave-absorbing agent with different mass ratios and heat-insulating coating material YSZ composites to construct a SmFeN/YSZ composite interface model, whose phase interface perpendicular to the incident electromagnetic wave. The results show that when the SmFeN metal particles and YSZ powders are hierarchically stacked in different ratios, the YSZ/SmFeN heterogeneous interfaces can improve the microwave absorption properties. When the mass ratio of YSZ to SmFeN is 1∶1, the minimum reflection loss value is -54.498 dB and the maximum effective absorption bandwidth is 2.5 GHz.

     

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