Ultrasonic consolidation rapid manufacturing method for continuous ceramic fiber uniform-distribution aluminum strip
A technology of ultrasonic consolidation and ceramic fiber, which is applied in the field of composite material preparation, can solve the problems of poor fiber dispersion, affecting the performance of fiber-reinforced intermetallic compound-based composite materials, and uneven distribution, and achieves low cost, tight combination, evenly distributed effect
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Embodiment 1
[0034] The continuous bundle SiC ceramic fiber is pretreated, the fiber is placed in a box-type resistance furnace, the holding temperature is 650-700°C, and the holding time is 1.5h to remove the thermal decomposition coating on the surface of the fiber, and then the surface of the fiber is cleaned with alcohol. Then use an ultrasonic cleaning machine to clean the fibers (15-20 min) at a temperature of 30° C. to 40° C. to remove remaining coating particles and impurities, and finally dry the fibers. The 0.15mm Al foil was cut into 24mm×800mm aluminum strips. After drying treatment, they are stacked in the order of "Al tape-SiC bundled fiber-Al tape", and the bundled SiC fibers are laid along the length direction of the aluminum tape.
[0035] Consolidate the aluminum strip with an ultrasonic consolidation device to prepare aluminum strips with uniform fiber distribution: at room temperature, the pressure of the indenter of the ultrasonic consolidation device is 125-150kgf, th...
Embodiment 2
[0038] Al 2 o 3The ceramic fiber is pretreated, the fiber is placed in a box-type resistance furnace, the holding temperature is 600-650°C, and the holding time is 0.5h to remove the thermal decomposition coating on the fiber surface, then clean the fiber surface with alcohol, and then use an ultrasonic cleaner The fibers are cleaned (15-20 min) at a temperature of 30°C to 40°C to remove remaining coating particles and impurities, and finally the fibers are dried. The 0.15mm Al foil was cut into 24mm×800mm aluminum strips. After drying according to "Al belt-Al 2 o 3 Bundle fiber-Al ribbon" stacked sequentially, bundle Al 2 o 3 The fibers are laid along the length of the strip.
[0039] Consolidate the aluminum strip with an ultrasonic consolidation device to prepare aluminum strips with uniform fiber distribution: at room temperature, the pressure of the indenter of the ultrasonic consolidation device is 125-150kgf, the amplitude of the ultrasonic wave is 20-40μm, and th...
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