Al2Ca particle and carbon nano tube hybrid reinforced ultra-light magnesium-lithium-based composite material and preparation method
A technology of carbon nanotubes and composite materials, applied in metal material coating technology, liquid chemical plating, coating, etc., can solve problems such as low strength of magnesium-lithium binary alloys, poor stability of alloy structure and performance, and overaging , to achieve excellent lightweight advantages, improve the bonding situation, and the effect of high bonding strength
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Embodiment 1
[0026] a kind of Al 2 Ca particle and carbon nanotube hybrid reinforced ultra-light magnesium-lithium matrix composite material, comprising the following components in weight percent: 5wt% micron-scale Al 2 Ca particles, 1 wt% submicron scale Al 2 Ca particles, 0.5wt% of nickel-coated carbon nanotubes on the surface, 11wt% of Li, the balance of Mg, and the total amount of impurity elements Si, Fe, Cu and Ni is less than 0.02wt%. micron scale Al 2 The particle size of the Ca particles is 5-30 μm. Submicron scale Al 2 The particle size of the Ca particles is 0.01-5 μm. Carbon nanotubes are single-walled or multi-walled carbon nanotubes with an aspect ratio greater than 20.
[0027] The Al 2 The preparation method of Ca particle and carbon nanotube hybrid reinforced ultra-light magnesium-lithium matrix composite is as follows:
[0028] In the first step, the micron / submicron scale Al 2 Ca particles are mixed with magnesium powder, and after mixing, they are ball-milled in...
Embodiment 2
[0033] a kind of Al 2 Ca particle and carbon nanotube hybrid reinforced ultra-light magnesium-lithium matrix composite material, comprising the following components in weight percent: 10wt% micron-scale Al 2 Ca particles, 3 wt% submicron scale Al 2 Ca particles, 1wt% of nickel-plated carbon nanotubes on the surface, 16wt% of Li, the balance of Mg, and the total amount of impurity elements Si, Fe, Cu and Ni is less than 0.02wt%. micron scale Al 2 The particle size of the Ca particles is 5-30 μm. Submicron scale Al 2 The particle size of the Ca particles is 0.01-5 μm. Carbon nanotubes are single-walled or multi-walled carbon nanotubes with an aspect ratio greater than 20.
[0034] The Al 2 The preparation method of Ca particle and carbon nanotube hybrid reinforced ultra-light magnesium-lithium matrix composite is as follows:
[0035] In the first step, the micron / submicron scale Al 2 Ca particles are mixed with magnesium powder, and after mixing, they are ball-milled in a ...
Embodiment 3
[0040] a kind of Al 2 Ca particle and carbon nanotube hybrid reinforced ultra-light magnesium-lithium matrix composite material, comprising the following components in weight percent: 20wt% micron-scale Al 2 Ca particles, 5 wt% submicron scale Al 2 Ca particles, 3wt% of nickel-plated carbon nanotubes on the surface, 25wt% of Li, the balance of Mg, and the total amount of impurity elements Si, Fe, Cu and Ni is less than 0.02wt%. micron scale Al 2 The particle size of the Ca particles is 5-30 μm. Submicron scale Al 2 The particle size of the Ca particles is 0.01-5 μm. Carbon nanotubes are single-walled or multi-walled carbon nanotubes with an aspect ratio greater than 20.
[0041] The Al 2 The preparation method of Ca particle and carbon nanotube hybrid reinforced ultra-light magnesium-lithium matrix composite is as follows:
[0042] In the first step, the micron / submicron scale Al 2 Ca particles are mixed with magnesium powder, and after mixing, they are ball-milled in ...
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