Magnesium alloy vermiculite pumice ferric oxide composite material and preparation method thereof
A composite material and iron oxide technology, which is applied in the aluminum alloy vermiculite pumice iron oxide composite material and its preparation method and its preparation field, can solve the problems of poor microwave absorption performance and achieve the effect of large electromagnetic wave absorption range
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Embodiment 1
[0032] The preparation process of the aluminum alloy base vermiculite pumice iron oxide composite material of the present invention is as follows:
[0033] a. Preparation of vermiculite pumice iron oxide compound: first put ferric chloride and ammonium ferrous sulfate into a hydrothermal container with Teflon lining, add water to dissolve (add a small amount of water until dissolved), and then put Vermiculite and pumice, the size of pumice particles is 0.5mm, the size of vermiculite particles is 0.05mm, the weight ratio of vermiculite and pumice is 0.01:1, stir the above materials for 2-7min, ferric chloride, ferrous ammonium sulfate and vermiculite The weight ratio of the stone-pumice mixture is 1:1:1. After the stirring is completed, place the stirred material in an oven at 220° C. for 3 hours and then cool naturally to obtain the vermiculite-pumice-iron oxide compound;
[0034] b. Preparation of titanium fiber: by weight percentage, Cu is 0.003%-0.09%, Sm is 0.003%-0.09%, a...
Embodiment 2
[0039] When preparing the vermiculite pumice iron oxide composite, the weight ratio of vermiculite and pumice is 0.1:1; the weight ratio of ferric chloride, ferrous ammonium sulfate and vermiculite pumice mixture is 1:1:2, and the size of pumice particles is 1mm , the size of vermiculite particles is 0.3mm,
[0040]Preparation of titanium fiber: by weight percentage containing Cu is 0.09%, Sm is 0.03%, and the rest is Ti for batching,
[0041] When the composite preform is prepared, the composite preform is controlled to account for 45% of the cavity volume of the metal mold;
[0042] Preparation of aluminum alloy liquid: each component is proportioned by weight percentage Ti is 0.8%, Th is 0.05%, Si is 1%, and the rest is Al;
[0043] The preparation process is the same as in Example 1.
Embodiment 3
[0045] When preparing the vermiculite pumice iron oxide compound, the weight ratio of vermiculite and pumice is 0.05:1; the weight ratio of ferric chloride, ferrous ammonium sulfate and vermiculite pumice mixture is 1:1:1.5, and the size of pumice particles is 0.7 mm, the size of vermiculite particles is 0.07mm,
[0046] Preparation of titanium fiber: by weight percentage, Cu is 0.003%-0.09%, Sm is 0.003%-0.09%, and the rest is Ti for batching;
[0047] When the composite preform is prepared, the composite preform is controlled to account for 55% of the cavity volume of the metal mold;
[0048] Preparation of the aluminum alloy: each component is 0.5% by weight of Ti, 0.03% of Th, 0.6% of Si, and the rest is Al for batching;
[0049] The preparation process is the same as in Example 1.
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