Preparation method of nano silicon carbide particle reinforced aluminum alloy-based composite material
A nano-silicon carbide and aluminum alloy-based technology, applied in metal rolling and other directions, can solve the problems of many process links and high cost, and achieve the effects of uniform dispersion, reduction of process links and costs, and excellent toughness and toughness.
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[0037] Example 1 A manufacturing method of silicon carbide particles nano-aluminum alloy matrix reinforced composites, comprising the steps of:
[0038] Composite material prepared in the present embodiment to alloy Al-4.5wt% Mg as the base, the mass fraction is 10% SiC reinforcement. Wherein the particle size of SiC particles is 50nm.
[0039] (1) cut out 125 × 50 × 0.25mm aluminum sheet size, take 8 polished and clean as the original matrix, and the sample surface;
[0040] (2) The quality of the aluminum sheet, weighed and accounted for 4.5% of the mass percentage of magnesium, and 10% of the nano SiC particles. The two particles are placed in a beaker, to which was poured an appropriate amount of ethanol, and ultrasonic vibration, until the two kinds of particles uniformly mixed to give a suspension.
[0041] (3) The aluminum sheet surface in step (2) uniformly coating the entire suspension obtained in step (2), until complete evaporation of ethanol, the suspension of 8-coated...
Example Embodiment
[0046] Example 2
[0047] Composite material prepared in the present embodiment to alloy Al-10wt% Mg as the base, 6wt% SiC as reinforcement. Wherein the particle size of SiC particles is 50nm.
[0048] (1) cut out 125 × 50 × 0.25mm aluminum sheet size, take 8 polished and clean as the original matrix, and the sample surface.
[0049] (2) The quality of the aluminum sheet, weighed and accounted for 10% mass percentage of magnesium powder and 6% of nano SiC particles. The two particles are placed in a beaker (or similar container), into the amount of absolute ethanol and ultrasonic vibration. Uniformly mixed to give two particle suspension by ultrasonic oscillation. The suspension was uniformly coated aluminum sheet surface in step (1), until complete evaporation of ethanol, the number of sheets of an aluminum sheet coated with the suspension are stacked together to obtain a laminated billet.
[0050] (3) Step (2) wrapped stack of blanks in the steel sheets was subjected to a rollin...
Example Embodiment
[0054] Example 3
[0055] Composite material prepared in the present embodiment to Al-5.6% Zn-2.5% Mg-1.5Cu (wt%) alloy as the matrix, 12wt% SiC as reinforcement. Wherein the particle size of SiC particles is 50nm.
[0056] (1) cut out 125 × 50 × 0.25mm aluminum sheet size, take 8 polished and clean as the original matrix, and the sample surface.
[0057] (2) The quality of the aluminum sheet, weighed mass of its percentage of 5.6%, 2.5%, 1.5% zinc, magnesium, copper, and 12% of the nano SiC particles. These powders were placed in a beaker (or similar container), into the amount of absolute ethanol and ultrasonic vibration. Mixed particles obtained by ultrasonic vibration of the suspension, the suspension was uniformly coated aluminum sheet surface in step (1), to be completely volatilized ethanol, the copper surface is placed directly on an aluminum sheet, the number of sheets suspension coated with copper aluminum sheet stacked together to obtain a laminated billet.
[0058] (3)...
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