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Manufacture process of carbon type superconductive heat radiator

A manufacturing process and heat sink technology, applied in the field of heat sink manufacturing process, can solve problems such as restricting the application range of graphite materials and molding difficulties, and achieve the effects of promoting the development of miniaturization, compact structure, and good heat dissipation performance

Inactive Publication Date: 2012-11-14
惠州市日盛光电科技有限公司 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since graphite is a solid powder, it is very difficult to form, which seriously restricts the application range of graphite materials. How to modify graphite to make radiators of different shapes, greatly reduce processing costs, simplify processing technology, and become a heat sink A development direction of device materials has become a technical problem that manufacturers urgently need to solve

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] plan B:

[0022] The manufacturing process of a carbon-type superconducting heat sink provided by the present invention adopts mixing and injection molding to form a carbon heat sink, and includes the following steps: first, put two-dimensional carbon molecular raw materials and catalytic accelerators into a ball mill or a mixer to uniformly Blend and grind, then fill the powder that has been uniformly blended and ground into the extrusion molding machine, extrude and granulate at a constant temperature of 60-100 degrees, put the granulated material into the injection molding machine for model injection molding, and The embryo body after injection molding is subjected to surface smoothing treatment and surface carbonization crystallization treatment. During the production process, the function of the catalyst is to temporarily bond the carbon molecular raw materials, so that the compatibility of the mixture is greatly improved, which is beneficial to the pressure inject...

Embodiment 2

[0025] According to the manufacturing process provided by the present invention, the resulting carbon heat sink is a brand-new heat-conducting and heat-dissipating material, which has a unique grain orientation, conducts heat evenly in two directions, and has a lamellar structure that can well adapt to any surface for uniform heat dissipation . The carbon radiator has ultra-high thermal conductivity in the range of 150-1500 W / m-K in each blade plane.

[0026] The resulting product has the following properties:

[0027] 1. Product features: the surface can be combined with metal, plastic, stickers and other materials to meet more design functions and needs.

[0028] 2. Low thermal resistance: thermal resistance is 40% lower than aluminum and 20% lower than copper

[0029] 3. Light weight: 25% lighter than aluminum and 75% lighter than copper

[0030] 4. High thermal conductivity: 100-1500 W / mK.

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PUM

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Abstract

The invention relates to the technical field of a heat radiator, in particular to a manufacture process of a carbon type superconductive heat radiator. According to the process, gravity pressing is adopted for realizing the pressure maintaining sintering and forming of the carbon type heat radiator. The process comprises the following steps that firstly, two-dimension carbon molecule raw materials and catalysis accelerators are placed into a ball mill or a stirrer to be uniformly mixed and ground, then, the uniformly mixed and ground powder agents are filled into a pre-designed mold, in addition, the powder in the mold is subjected to constant-temperature gravity pressurizing compact filling, the powder in the mold is subjected to pressurized compact filling or extruding granulation under the condition of maintaining the 60-100 DEG C constant-temperature state, semi-finished products subjected to the constant-temperature pressurized compact filling are demolded, in addition, roasted blanks are subjected to surface smoothening treatment and surface carbonization crystallization treatment, the materials subjected to the granulation are placed into an injection molding machine to be subjected to model injection molding, and the blanks subjected to the injection molding are subjected to surface smoothening treatment and surface carbonization crystallization treatment. The manufacture process provided by the invention has the advantages that the process is simple, the operation is easy, and the obtained heat radiator has good heat radiation performance.

Description

technical field [0001] The invention relates to the technical field of radiators, in particular to a manufacturing process of radiators. Background technique [0002] At present, my country's high-end electronic industrial devices (such as high-power-density electronic devices) are developing in the direction of miniaturization, compact structure, diversified functions, and high-power density. The heat dissipation problems caused by this have seriously affected the work of high-power electronic devices. Stability and reliability, therefore, higher requirements are put forward for the enhanced export and dissipation of heat generated during its operation. The thermal controls used in these electronic devices generally use metal materials such as aluminum, copper, and silver. However, such materials not only have low thermal conductivity, but also have heavy weight and large thermal expansion coefficients, which greatly limit their use as heat dissipation materials for electron...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/52C04B35/622
Inventor 吴朗李铭李泽华
Owner 惠州市日盛光电科技有限公司