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Carbon monofluoride enhanced aluminum magnesium alloy material for automobile electronic packaging and preparing method thereof

A technology of fluorinated graphite and automotive electronics, which is applied in the field of fluorinated graphite reinforced aluminum-magnesium alloy materials for automotive electronic packaging and its preparation, can solve the problem of alloy material strength, reduction in plasticity, limited use range, and dispersion of nano-scale materials in alloys. Unsatisfactory properties, etc., to achieve the effect of improving dispersibility, excellent protective effect, and promoting crystal transformation

Inactive Publication Date: 2016-09-14
BENGBU TIMES ELECTRONICS
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Problems solved by technology

The article "Preparation of Diamond / Al-Cu-based Composite Materials by Vacuum Hot Pressing Sintering Method" uses vacuum hot pressing sintering to improve the adverse reaction of the interface between diamond and aluminum, and at the same time adds Cu powder to improve the performance. This method uses micron-sized diamonds Powder, although a composite material with high thermal conductivity has been obtained, the strength and plasticity of the alloy material are reduced to a certain extent, and the scope of use is limited. Nano-scale inorganic materials have outstanding advantages in improving alloy properties, but nano-scale materials Dispersion in alloys is not satisfactory

Method used

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Embodiment Construction

[0015] A fluorinated graphite reinforced aluminum-magnesium alloy material for automotive electronic packaging, the alloy material is made of the following raw materials in parts by weight: magnesium 5%, lithium 3%, copper 2%, zirconium 1%, titanium 0.5%, fluorinated graphite Sol 20%, pore forming agent 1%, absolute ethanol 0.5, and the balance is aluminum.

[0016] The fluorinated graphite sol is prepared by the following method: put dodecyltrimethylammonium bromide into absolute ethanol, stir until it is completely dissolved, put in fluorinated graphite, and ultrasonically vibrate and grind for 8 hours to obtain the product; The weight ratio of graphite fluoride, absolute ethanol and dodecyltrimethylammonium bromide is 1:5:0.1.

[0017] The pore forming agent is spherical urea.

[0018] The preparation method of the alloy material comprises the following steps:

[0019] (1) First mix aluminum, magnesium, lithium, copper, zirconium, titanium, pore-forming agent, and absolut...

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Abstract

The invention discloses a carbon monofluoride enhanced aluminum magnesium alloy material for automobile electronic packaging. The alloy material is prepared from, by weight, 5-6% of magnesium, 3-4% of lithium, 2-3% of copper, 1-1.5% of zirconium, 0.5-1% of titanium, 20-30% of carbon monofluoride sol, 1-2% of pore-forming agent, 0.5-1% of absolute ethyl alcohol and the balance aluminum.

Description

technical field [0001] The invention relates to the technical field of electronic packaging materials, in particular to a fluorinated graphite-reinforced aluminum-magnesium alloy material for automotive electronic packaging and a preparation method thereof. Background technique [0002] Automotive electronics is the general term for automotive electronic control devices and on-board automotive electronic devices. Automotive electronics occupy a vital position in automotive technology and are the most important technical measures for developing new models and improving automotive performance. Due to the extreme operating temperature range, strong mechanical vibration, and many stains inside the car, to ensure that the performance of automotive electronic products will not be disturbed, it is necessary to do a good job in product packaging and select good packaging materials to achieve a better industry. Low cost, stronger functions, higher reliability and other technological ...

Claims

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Application Information

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IPC IPC(8): C22C21/06C22C1/10
CPCC22C21/06C22C1/1026
Inventor 朱兴堂朱亮亮陈军彦
Owner BENGBU TIMES ELECTRONICS
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