Method for preparing electromagnetic shielding foamed aluminum composite material
A composite material and electromagnetic shielding technology, applied in the direction of transition element hydrides, etc., can solve the problems of lack of preparation technology and achieve the effects of weakening chemical reactions, reducing burning loss, and small apertures
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Embodiment 1
[0051] The first step is to put the purchased titanium hydride into a resistance furnace at 440°C for preheating and oxidation treatment, and the treatment time is 20 minutes; during the constant temperature treatment, it needs to be stirred every 5 minutes to make it evenly oxidized and prevent its formation. Block (to ensure its full contact with the air, to ensure the period of oxidation effect to delay its hydrogen release time.); take out the air-cooled, weighed for use in the experiment.
[0052] In the second step, pour the hollow ceramic microspheres into pure water at room temperature, filter and remove the broken hollow ceramic microspheres; then put the remaining hollow ceramic microspheres into a drying vessel and dry them in a drying oven at 80°C spare.
[0053] In the third step, the commercial pure aluminum ingot is cut into 200-250g aluminum blocks, and the commercial pure magnesium is cut into small pieces with a size of 10mm×10mm, and the surface oxide layer ...
Embodiment 2
[0065] The first step is to put the purchased titanium hydride into a resistance furnace at 480°C for preheating and oxidation treatment, and the treatment time is 30 minutes; during the constant temperature treatment, it needs to be stirred every 5 minutes to make it evenly oxidized and prevent its formation. Block (to ensure its full contact with the air, to ensure the period of oxidation effect to delay its hydrogen release time.); take out the air-cooled, weighed for use in the experiment.
[0066] In the second step, pour the hollow ceramic microspheres into pure water at room temperature, filter and remove the broken hollow ceramic microspheres; then put the remaining hollow ceramic microspheres into a drying vessel and dry them in a drying oven at 90°C spare.
[0067] The third step is to cut the commercial pure aluminum ingots into 200-250g aluminum blocks, and at the same time cut the commercial pure magnesium into small pieces with a size of 9mm×9mm, and polish and r...
Embodiment 3
[0075] The first step is to put the purchased titanium hydride into a 520°C resistance furnace for preheating oxidation treatment, the treatment time is 40 minutes; during the constant temperature treatment, it needs to be stirred every 5 minutes to make it evenly oxidized and prevent its formation. Block (to ensure its full contact with the air, to ensure the period of oxidation effect to delay its hydrogen release time.); take out the air-cooled, weighed for use in the experiment.
[0076] In the second step, pour the hollow ceramic microspheres into pure water at room temperature, filter and remove the broken hollow ceramic microspheres; then put the remaining hollow ceramic microspheres into a drying vessel and dry them in a drying oven at 100°C spare.
[0077] The third step is to cut the commercial pure aluminum ingots into 200-250g aluminum blocks, and at the same time cut the commercial pure magnesium into small pieces with a size of 11mm×11mm, and polish and remove th...
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