一种用于电磁波吸收的镍基合金 / 碳复合材料及其制备方法和应用
By preparing nickel-based alloy/carbon composite materials, the problems of low absorption intensity and narrow bandwidth of existing electromagnetic wave absorbing materials have been solved, achieving lightweight and efficient electromagnetic wave absorption, which is suitable for military stealth and reducing electromagnetic pollution.
CN116997169BActive Publication Date: 2026-07-17ZHEJIANG UNIV OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG UNIV OF TECH
- Filing Date
- 2023-06-08
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing electromagnetic wave absorbing materials have low absorption intensity and narrow absorption bandwidth, and their synthesis process is complex and difficult to industrialize.
Method used
By using nickel-based alloys and carbon composite materials, and by controlling the proportions of nickel salts, copper salts, cobalt salts, ferrous salts, and zinc salts, as well as the calcination temperature, a Ni-based alloy/carbon composite material with a synergistic mechanism of high dielectric loss and magnetic loss was prepared.
Benefits of technology
It achieves lightweight and efficient electromagnetic wave absorption with a wide absorption bandwidth and strong reflection loss, making it suitable for military stealth and reducing electromagnetic pollution.
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Figure CN116997169B_ABST
Abstract
本发明公开了一种用于电磁波吸收的镍基合金 / 碳复合材料及其制备方法和应用，Ni基合金吸波材料的制备方法为：1）制备四氰基镍酸钾溶液；2）将镍盐、二价铜盐、钴盐、亚铁盐以及锌盐分别溶于甲醇水溶液中，配制五种盐溶液；3）将上述五种盐溶液加入至四氰基镍酸钾溶液中；4）最后在氮气气氛下高温煅烧，即制备完成；本发明通过多种合金的协同作用，提升其电磁波吸收性能，最终实现吸波材料“轻、薄、宽、强”的要求，制备工艺简单、价格低廉，可实现规模化大批量生产，所制得的吸波材料具有合适的电导率和优异的电磁波吸收强度。
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