Progress in Electromagnetic Wave Absorbing Materials and the Applications in Ship Stealth Technology

Hongtao Li; Shenghua Liu; Ke Li

doi:10.6911/WSRJ.202504_11(4).0002

Authors

Hongtao Li
Shenghua Liu
Ke Li

DOI:

https://doi.org/10.6911/WSRJ.202504_11(4).0002

Keywords:

Electromagnetic, Wave Absorption, Ship, Stealth, Progress.

Abstract

This paper presents a comprehensive overview of the fundamental principles, performance characteristics, and advancements in the application of electromagnetic wave absorbing materials (EWAMs) in the field of ship stealth technology. EWAMs convert incident electromagnetic waves into non-reflective energy such as thermal energy through various internal loss mechanisms, exhibiting characteristics such as lightweight, strong absorption capacity, and broadband absorption. In the realm of ship stealth, the application of EWAMs can significantly reduce the radar cross-section (RCS) of ships, thereby enhancing their concealment and survival capabilities. In recent years, with continuous innovations in materials science and engineering technology, novel EWAMs such as nanomaterials and conductive polymers have emerged in abundance, offering more options and possibilities for the development of ship stealth technology. This paper meticulously analyzes the performance advantages of these novel materials and their specific applications in ship stealth, while also discussing the existing problems and challenges faced by current EWAMs in ship stealth applications. Furthermore, it proposes future research and development trends, aiming to promote the further development of EWAMs in the field of ship stealth and provide valuable references for the enhancement of ship stealth technology.

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