SiC is the representative of the third generation of semiconducting materials, and its unique physical properties (such as high penetration resistance, high permeability, high temperature resistance, anti-radiation resistance, etc.) have been achieved in the aeronautical field, and the following are its core applications and technological developments:
1. Scene of the core area
Aerospace power system assembly
High-efficiency power conversion: SiC efficiency device (as shown in FIG. 2 MOSFET), the overall efficiency of the power system – the physical ratio is nearly 5 times higher, the weight of the spacecraft is reduced by the author, and the demand for “conquering weight” is full.
Resistance to radiation: Domestic 400V high quality SiC equipment ), At the end of the project, the vacuum environment was maintained and established, and the deep-sky exploration task was carried out (as seen in the Moonlight process, the person climbed the Moon).
Simplification of heat dissipation: high heat dissipation, low heat dissipation demand, reduced heat dissipation equipment, and load capacity.
Leida-based innovation
Lightning detection ability: SiC-based lightning detection rate 5-8 times that of density detection (GaN), high temperature resistance (200℃ (traveling), available for super long-distance exploration (Jong-20 Leiden exploration distance 1000 km, covering the entire Hashi Strait).
Multi-target tracking: wave packet forming speed is 30%, continuous strokes can be drawn more than 20 targets, and the ability to sense field conditions is enhanced.
2.Technical excellence characteristics
Below is the performance performance of SiC in aeronautics:
Performance indicators SiC equipment Technical results
Success rate-body ratio High Low Proportion close to 5 times 10
Working temperature: 200℃ high temperature resistance, general low temperature 150℃, high temperature stability enhancement
Strong ability to resist radiation (throughout the sky) Weak ability to meet the deep sky environment
Energy conversion efficiency >95% 80–90% Decreased power consumption, extended working time 3. Future challenge
Expansion direction:
1000 tiles electric power source model: supporting spacecraft great success rate demand (as in the air station energy system).
Multi-area fusion: SiC lightning and security machine number installation integration, construction “back-up-down” integrated system
Current challenge:
Crystal output rate: current capacity is 0.5 square meters per square meter, long-term stability.
Technological limits: exploration distance, large decline, reduction of earth curvature control, demand breakthrough material addition method bottle.
Conclusion
The core of the aeronautical field in cemented silicon is “quantity, high efficiency, high availability”:
Aerospace power source: deep-air exploration equipment equipment, descent launcher;
Military lightning: powerful aircraft, super-observable aircraft, heavy aircraft aircraft;
Breakthrough of nationalization: The high point of China’s third generation semi-leadership system, with the ability to develop and improve its capabilities.
In the future, we will maintain the demand for improved material engineering, deepen systemization, and increase the demand for military defense.