Materials
Aluminum silicon carbide ceramics used for aerospace, automotive, military, electronics, sports utensil fields
Aluminum silicon carbide is widely used in rail transit, new energy vehicles, aerospace, military and other fields, is the best choice for a new generation of high-power electronic devices.
Application Prospect
Aluminum matrix composites are widely used in aviation, aerospace and military departments because of their special advantages.
SiC particle reinforced aluminum matrix composite sheets will be used in the future of advanced fighter aircraft covering and tail reinforcement, and NASA used graphite/aluminum composite materials as the length of 20m cargo bay in the space shuttle.
In addition to the aerospace field, aluminum matrix composites also play an important role in transportation vehicles.
Application of aluminum silicon carbide in electronic and optical instruments
SiC reinforced aluminum matrix composite material, because of its small thermal expansion coefficient, low density and good thermal conductivity, is suitable for the manufacture of electronic equipment lining materials and heat sinks and other electronic devices. The thermal expansion coefficient of SiC particle reinforced aluminum matrix composites is fully matched with the thermal expansion of electronic device materials, and the electrical and thermal conductivity are also very good.
In the application research of precision instruments and optical instruments, aluminum matrix composite materials are used to manufacture components such as brackets and secondary mirrors of telescopes. In addition, aluminum matrix composite materials can also manufacture precision parts of inertial navigation systems, rotating scanning mirrors, infrared viewing mirrors, laser mirrors, laser gyroscopes, mirrors, mirror bases and optical instrument brackets and many other precision instruments and optical instruments.
Aluminum silicon carbide is a kind of lightweight and high-strength multi-functional composite material, and it has developed into a new generation of structural materials after Al alloy and Ti alloy, and therefore has become the mainstream of the development and research of metal matrix composites at present.
| Component | Tensile property of greenhouse | bending strength Mpa |
elasticity modulus | density |
thermal conductivity |
thermal expansion coefficient | |||
| heat treatment condition | strength of extension (Mpa) | yield strength (Mpa) | extend rate % | ||||||
| 15vol%SiC/2009Al | Annealed state | 230-250 | 110-130 | 8-15 | / | 95-105 | 2.80-2.85 | 150-190 | 15-17 |
| T6 state | 500-570 | 420-450 | 4-9 | / | |||||
| 17vol%SiC/2009Al | Annealed state | 240-300 | 120-160 | 4-11 | / | 100-110 | 2.83-2.85 | 175-190 | 14-17 |
| T6 state | 500-600 | 430-470 | 3-6 | / | |||||
| 17vol%SiC/6092Al | Annealed state | 210-240 | 105-130 | 8-15 | / | 105-110 | 2.78-2.80 | 175-200 | 15-17 |
| T6 state | 500-540 | 400-470 | 4-8 | / | |||||
| 20vol%SiC/2009Al | Annealed state | 260-310 | 130-150 | 4-8 | / | 105-115 | 2.83-2.85 | 160-195 | 14.5-16.5 |
| T6 state | 520-580 | 360-400 | 3.5-6.5 | / | |||||
| 25vol%SiC/2009Al | Annealed state | 270-310 | 150-180 | 4.0-7.5 | / | 115-125 | 2.85-2.87 | 165-200 | 13.5-14.5 |
| T6 state | 580-620 | 450-500 | 2.0-3.5 | / | |||||
| 30vol%SiC/6092Al | Annealed state | 210-240 | 110-130 | 4.5-8.5 | / | 120-130 | 2.80-2.83 | 195-220 | 12.5-14.5 |
| T6 state | 520-560 | 400-495 | 1.5-4.5 | / | |||||
| 35vol%SiC/6092Al | Annealed state | 240-250 | 150-185 | 4-7 | / | 135-140 | 2.85-2.88 | 195-205 | 12.5-14.0 |
| T6 state | 540-600 | 495-415 | 0.5-1.0 | / | |||||
| 35vol%SiC/6092Al | Annealed state | 320-345 | 185-210 | 3-4 | / | 135-140 | 2.85-2.88 | 165-185 | 12.0-14.0 |
| T6 state | 540-595 | 440-485 | 1.0-1.5 | / | |||||
| 40vol%SiC/6092Al | Annealed state | 255-270 | 170-220 | 3-4 | 540-700 | 140-155 | 2.88-2.90 | 195-205 | 11.5-13.5 |
| T6 state | 510-550 | 460-490 | 1.0-2.5 | / | |||||
| 45vol%SiC/6092Al | Annealed state | 265-310 | 200-250 | 0.5-3.5 | 540-655 | 150-170 | 2.91-2.93 | 175-220 | 11.0-12.5 |
| T6 state | 580-620 | 525-570 | 0.5-2.5 | / | |||||
| 55vol%SiC/6061Al | Annealed state | / | / | / | 450-550 | 180-200 | 2.95-2.99 | 190-225 | 8.5-10.0 |
| 60vol%SiC/6061Al | Annealed state | / | / | / | 425-550 | 200-225 | 2.96-2.99 | 190-225 | 8.0-9.0 |
| 65vol%SiC/A356Al | Annealed state | / | / | / | 400-450 | 225-245 | 3.00-3.01 | 200-220 | 7.0-8.0 |