Aluminum-based amorphous/nanocrystalline composite material and preparation method thereof
A nanocrystalline composite and composite material technology is applied in the field of aluminum-based amorphous/nanocrystalline composite materials and their preparation, which can solve the problems of low relative density and unsatisfactory effect, and achieves improved relative density, enhanced mechanical properties, amorphous high degree of effect
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Embodiment 1
[0023] Put the Al powder with a purity of 99.7% and a particle size of ≤10 μm, the Cu powder with a purity of 99.5% and a particle size of ≤50 μm, and the Ti powder with a purity of 99.5% and a particle size of ≤50 μm into the ball mill at an atomic percentage of 65:16.5:18.5 In the tank, the ratio of ball to material is 10:1. Put the ball mill tank into the glove box, and after vacuuming the glove box, fill it with argon, inject 8ml of toluene into the ball mill tank as an engineering control agent, and then seal the tank. The ball milling speed is 800r / min, the ball milling time is 30h, and the Al 65 Cu 16.5 Ti 18.5 powder. The X-ray diffraction pattern of the powder is as figure 1 shown by figure 1 It can be seen that the X-ray diffraction pattern after ball milling for 30 hours does not contain any crystal diffraction peaks except for a crystal peak with a particularly small intensity at 35°, and the amorphous diffuse scattering peak is smooth and uniform in the range ...
Embodiment 2
[0026] Put the Al powder with a purity of 99.7% and a particle size of ≤10 μm, the Cu powder with a purity of 99.5% and a particle size of ≤50 μm, and the Ti powder with a purity of 99.5% and a particle size of ≤50 μm into the ball mill at an atomic percentage of 65:16.5:18.5 In the tank, the ratio of ball to material is 10:1. Put the ball mill tank into the glove box, and after vacuuming the glove box, fill it with argon, inject 6ml of toluene into the ball mill tank as an engineering control agent, and then seal the tank. The ball milling speed is 800r / min, the ball milling time is 30h, and the Al 65 Cu 16.5 Ti 18.5 powder. From the X-ray diffraction pattern, it can be seen that the X-ray diffraction pattern after ball milling for 30 hours does not contain any crystal diffraction peaks except for a crystal peak with a particularly small intensity at 35°, and the amorphous diffuse scattering peak is smooth and uniform in the range of 30-50°. It is a typical amorphous diffr...
Embodiment 3
[0029] Put the Al powder with a purity of 99.7% and a particle size of ≤10 μm, the Cu powder with a purity of 99.5% and a particle size of ≤50 μm, and the Ti powder with a purity of 99.5% and a particle size of ≤50 μm into the ball mill at an atomic percentage of 65:16.5:18.5 In the tank, the ball-to-material ratio is 10:1, put the ball mill tank into the glove box, after vacuuming the glove box, fill it with argon, inject 10ml of toluene into the ball mill tank as an engineering control agent, and then seal the tank. The ball milling speed is 800r / min, the ball milling time is 30h, and the Al 65 Cu 16.5 Ti 18.5 powder. From the X-ray diffraction pattern, it can be seen that the X-ray diffraction pattern after ball milling for 30 hours does not contain any crystal diffraction peaks except for a crystal peak with a particularly small intensity at 35°, and the amorphous diffuse scattering peak is smooth and uniform in the range of 30-50°. It is a typical amorphous diffraction...
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