Stealth Technology
According to the old saying, being late leaves you open for attack. Different countries’ military industries are continually exploring new areas of technology and science thanks to their scientific progress. Recent years have seen stealth technology become an increasingly popular topic with military scientists as well as scientists. Let’s find out what stealth tech is.
Stealth technology refers to the Low Observable Technology. It is used to modify the detectability information characteristics and capabilities of our target using technical methods.
Stealth technology extends traditional camouflage technology. Because of its appearance, camouflage technology can be made offensive or defensive, passive, active, and thus enhance troops’ survival capabilities as well increase the threat from the enemy.
Stealth is a complex concept. It requires stealth materials to be developed. Stealth material can improve survival rate and reduce detection, making it an essential part of weapon stealth. You can divide stealth materials into visible, sound, infrared and visible light. It is possible to divide it into stealthy structuring material and stealthy coating material depending on the materials forming and carrying capacities. Therefore, stealth materials are of vital military significance. This technology will play an integral part in national defense high tech. It can be used on aircraft, main battle tank, ships and boats. The goal of ground weapons is to stop aerial radar detection or infrared device detection, radar-guided weapons attack and radar-guided bombs attacks; combat aircraft are to avoid detection by awACS radar and airborne firecontrol radar as well as infrared and active radars.
Nanomaterials are The Next Generation of Stealth Materials
Because of their wave-absorbing abilities, nanomaterials are being used by scientists as stealth materials. They are excellent experiment materials because of their surface, quantum, and small size effects.
Based on their absorbing mechanisms, stealth material can be divided into magnetic loss type and electric loss types. We will be taking as an illustration the absorbent mechanism for nanometer-sized electroloss-type stealth material.
A decrease in metal powder’s particle size (e.g. iron, nickel) will result. Conductivity decreases at the nanometer scale, and specific saturation magnetization drops. But, magnetization and coerciousness rise sharply, especially once the level reaches the nanometer. The activity of nanomaterials increases as more atoms appear on the surface during thinning. In order to increase the wavelength-absorbing ability of materials, they must be exposed to certain frequencies.
The Prospect of Stealth Materials
Although engineering research at the moment is not mature enough and there are restrictions on confidentiality, it has yet not been reported the application. But nano-shield materials have emerged as a major research direction in stealth materials and their future application will have huge implications for the military, political and economic aspects of every country.
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