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Nanometer titania reinforced aluminum magnesium alloy material for automobile electronic packaging and preparation method of nanometer titania reinforced aluminum magnesium alloy material

A technology of nano-titanium dioxide and automotive electronics, which is applied in the field of nano-titanium dioxide-reinforced aluminum-magnesium alloy materials for automotive electronic packaging and its preparation. Limitation of scope and other issues, to achieve the effect of improving corrosion resistance, continuous good operation, and reducing negative impact

Inactive Publication Date: 2016-10-12
ANHUI KING AUTO ELECTRONICS TECH CO LTD
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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 nano-titanium dioxide-reinforced aluminum-magnesium alloy material for automotive electronic packaging, the alloy material is made of the following raw materials in parts by weight: 5% magnesium, 3% titanium, 1% nickel, 3% silicon, 0.5% copper, 40% nano-titanium dioxide sol %, pore forming agent 1%, absolute ethanol 0.5, and the balance is aluminum.

[0016] The nano-titanium dioxide sol is prepared by the following method: put dodecyltrimethylammonium bromide into absolute ethanol, stir until it is completely dissolved, put in nano-titanium dioxide, disperse for 5 hours by ultrasonic vibration, and obtain it; The weight ratio of titanium dioxide, 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, titanium, nickel, silicon, copper, pore-forming agent, and absolute ethanol, a...

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Abstract

The invention discloses a nanometer titania reinforced aluminum magnesium alloy material for automobile electronic packaging. The alloy material comprises, by weight, 5% to 6% of magnesium, 3% to 4% of titanium, 1% to 2% of nickel, 3% to 5% of silicon, 0.5% to 1% of copper, 40% to 50% of nanometer titania sol, 1% to 2% of a pore forming agent, 0.5% to 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 nano-titanium dioxide-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): C22C21/00C22C32/00C22C1/10
CPCC22C1/1026C22C21/00C22C32/0036
Inventor 王进
Owner ANHUI KING AUTO ELECTRONICS TECH CO LTD
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