Diamond micro powder for heat conduction

Abstract

The invention belongs to the technical field of diamond micro-powder processing, and particularly relates to heat-conducting diamond micro-powder which is prepared by the following steps: step 1, raw material selection: screening out part of raw materials with proper sizes through a large-batch screening means; the selected raw materials are crushed and shaped, the shaped raw materials are purified, and the diamond micro-powder for heat conduction has the beneficial effects that the raw materials are pretreated, the size of the raw materials can be efficiently adjusted and controlled, the impurity removal step is set, and the heat conduction efficiency is improved. The quality of subsequent micro powder can be guaranteed, so that the product effect is guaranteed, the overall heat-resisting and heat-conducting effects of the diamond micro powder can be improved by adding part of heat-resisting materials, and the efficient heat-conducting diamond micro powder can be used for heat-conducting and heat-supplying processing.

Description

Technical Field

[0001] The invention belongs to the technical field of diamond micropowder processing, and in particular relates to diamond micropowder for heat conduction. Background Art

[0002] Diamond micro powder refers to diamond particles with a particle size of finer than 36 / 54 microns, including single crystal diamond micro powder and polycrystalline diamond micro powder. Single crystal diamond micro powder is produced by crushing and shaping artificial diamond single crystal abrasive particles using special process methods. Diamond micro powder products are tools and components made from diamond micro powder.

[0003] Most traditional diamond powders do not have good thermal conductivity and heat resistance. When used for auxiliary processing in a high-temperature environment, they often affect the processing work and thus affect production efficiency. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a diamond powder for heat conduction, which has good thermal conductivity and heat resistance and can assist processing under high temperature conditions.

[0005] To achieve the above object, the present invention provides the following technical solution: a diamond powder for heat conduction, comprising the following steps:

[0006] Step 1: Raw material selection: select some raw materials of suitable size through large-scale screening;

[0007] Step 2: Raw material pretreatment: crushing and shaping the selected raw materials, and purifying the shaped raw materials;

[0008] Step 3: Removing impurities from raw materials: The purified raw materials can be repeatedly removed by pickling, and the raw materials are washed and stored after pickling, and the raw materials are dried and further filtered and screened to select diamond micropowders of suitable size;

[0009] Step 4: Material mixing: Select appropriate high-temperature resistant materials of different qualities, and mix the selected materials with the raw materials;

[0010] Step 5: Testing and storage: Test the high temperature and heat conduction of the mixed raw materials, and store and maintain the tested materials.

[0011] Preferably, the size of the raw material screened out in step 1 is 100-500 microns.

[0012] Preferably, the crushing and shaping operations in step 2 require the use of a diamond crusher and a diamond shaping machine, and the diamond raw materials after shaping need to be screened twice, and the size of the screened raw materials is 30-80 microns.

[0013] Preferably, the pickling solutions in step three are dilute sulfuric acid and potassium ferrate, respectively, and the drying method is drying in a vacuum drying oven.

[0014] Preferably, the high temperature resistant materials in step 4 are silicon, germanium, cobalt and gold, and the ratio of silicon, germanium, cobalt and gold to diamond powder is 10-50: 5-20: 20-65: 1-3: 100-400, and the materials are evenly mixed inside the mixing equipment.

[0015] Preferably, the detection in step five is to take out part of the mixed material, heat it at high temperature, and observe its state. The high temperature condition is 1150-1500 degrees. When the mixed material meets the standard, the material can be collected and stored with the help of a container.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention can efficiently adjust and control the size of the raw materials by pre-treating the raw materials, and can ensure the quality of the subsequent micro-powders by setting the impurity removal step, thereby ensuring the effect of the product. By adding some heat-resistant materials, the overall heat resistance and thermal conductivity of the diamond micro-powder can be improved, and the efficient thermal conductive diamond micro-powder can be used for thermal conduction and heating processing. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1

[0020] The present invention provides the following technical solution: a diamond powder for heat conduction, comprising the following steps:

[0021] Step 1: Raw material selection: select some raw materials of suitable size through large-scale screening;

[0022] Step 2: Raw material pretreatment: crushing and shaping the selected raw materials, and purifying the shaped raw materials;

[0023] Step 3: Removing impurities from raw materials: The purified raw materials can be repeatedly removed by pickling, and the raw materials are washed and stored after pickling, and the raw materials are dried and further filtered and screened to select diamond micropowders of suitable size;

[0024] Step 4: Material mixing: Select appropriate high-temperature resistant materials of different qualities, and mix the selected materials with the raw materials;

[0025] Step 5: Testing and storage: Test the high temperature and heat conduction of the mixed raw materials, and store and maintain the tested materials.

[0026] Specifically, the size of the raw material screened in step 1 is 100-500 microns.

[0027] Specifically, the crushing and shaping operations in step 2 require the use of a diamond crusher and a diamond shaping machine, and the diamond raw materials after shaping need to be screened a second time, and the screened raw materials have a size of 30-80 microns.

[0028] Specifically, the pickling solutions in step three are dilute sulfuric acid and potassium ferrate, and the drying method is to dry in a vacuum drying oven.

[0029] Specifically, in step 4, the high temperature resistant materials are silicon, germanium, cobalt and gold, and the ratio of silicon, germanium, cobalt and gold to diamond powder is 10-50: 5-20: 20-65: 1-3: 100-400, and the materials are evenly mixed inside the mixing equipment.

[0030] Specifically, the detection in step five is to take out part of the mixed material, heat it at high temperature, and observe its state. The high temperature condition is 1150-1500 degrees. When the mixed material meets the standard, the material can be collected and stored with the help of a container.

[0031] The working principle and use process of the present invention:

[0032] Step 1: Raw material selection: select some raw materials of suitable size through large-scale screening;

[0033] Step 2: Raw material pretreatment: crushing and shaping the selected raw materials, and purifying the shaped raw materials;

[0034] Step 3: Removing impurities from raw materials: The purified raw materials can be repeatedly removed by pickling, and the raw materials are washed and stored after pickling, and the raw materials are dried and further filtered and screened to select diamond micropowders of suitable size;

[0035] Step 4: Material mixing: Select appropriate high-temperature resistant materials of different qualities, and mix the selected materials with the raw materials;

[0036] Step 5: Testing and storage: Test the high temperature and heat conduction of the mixed raw materials, and store and maintain the tested materials.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A diamond powder for heat conduction, comprising the following steps: Features: Step 1: Raw material selection: select some raw materials of suitable size through large-scale screening; Step 2: Raw material pretreatment: crushing and shaping the selected raw materials, and purifying the shaped raw materials; Step 3: Removing impurities from raw materials: The purified raw materials can be repeatedly removed by pickling, and the raw materials are washed and stored after pickling, and the raw materials are dried and further filtered and screened to select diamond micropowders of suitable size; Step 4: Material mixing: Select appropriate high-temperature resistant materials of different qualities, and mix the selected materials with the raw materials; Step 5: Testing and storage: Test the high temperature and heat conduction of the mixed raw materials, and store and maintain the tested materials.

2. The heat-conducting diamond powder according to claim 1, Features: The size of the screened raw material proposed in step 1 is 100-500 microns.

3. The heat-conducting diamond powder according to claim 1, Features: The crushing and shaping operations in step 2 require a diamond crusher and a diamond shaping machine. The diamond raw materials after shaping need to be screened for a second time, and the screened raw materials have a size of 30-80 microns.

4. The heat-conducting diamond powder according to claim 1, Features: The pickling solutions in step three are dilute sulfuric acid and potassium ferrate, respectively, and the drying method is to dry in a vacuum drying oven.

5. The heat-conducting diamond powder according to claim 1, Features: In the step 4, the high temperature resistant materials are silicon, germanium, cobalt and gold, and the ratio of silicon, germanium, cobalt and gold to diamond powder is 10-50: 5-20: 20-65: 1-3: 100-400, and the materials are evenly mixed in the mixing equipment.

6. The heat-conducting diamond powder according to claim 1, Features: The detection in step five is to take out part of the mixed material, heat it at high temperature, and observe its state. The high temperature condition is 1150-1500 degrees. When the mixed material meets the standard, the material can be collected and stored with the help of a container.