Graphite enamel material and production method thereof
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A production method and graphite technology, applied in the field of new materials, can solve problems such as heat transfer capacity, high temperature resistance, oxidation resistance defects, etc., and achieve the effect of temperature uniformity, oxidation resistance atmosphere, and good heat transfer
Inactive Publication Date: 2017-12-05
ZHONGNAN DIAMOND CO LTD
View PDF12 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
It can be seen from the table that common materials on the market, such as alloys, magnesium-aluminum-silicon ceramics, quartz, graphite, and medical enamel plates, all have certain defects in heat transfer capacity, high temperature resistance, and oxidation resistance.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0031] A preparation method of graphite enamel material, comprising the steps of:
[0032] 1) Making graphite matrix: choose a density of 1.8g / cm 3 Above, graphite rods with a thermal conductivity above 90W / mK are used as matrix materials, which are processed into corresponding shapes by sawing and grinding according to requirements to obtain graphite matrix;
[0033] 2) Titanium coating on the surface of graphite matrix: Coating a layer of metal titanium on the surface of graphite matrix by evaporation method, the specific operation is as follows:
[0034] A. Wet the surface of the graphite matrix with an adhesive; ) mixed;
[0035] B. Sprinkle the coating powder on the surface of the wetted graphite matrix; the coating powder is composed of TiO with a mass ratio of 37:53:20 2 , MgCl 2 Mixed with Al powder;
[0036] C. Place the graphite matrix in a vacuum furnace at 850°C for 3 hours under a vacuum of 3Pa;
[0037] D. Cool to below 100°C and take out of the oven. When ...
Embodiment 2
[0044] A preparation method of graphite enamel material, comprising the steps of:
[0045] 1) Making graphite matrix: choose a density of 1.8g / cm 3 Above, graphite rods with a thermal conductivity above 90W / mK are used as matrix materials, which are processed into corresponding shapes by sawing and grinding according to requirements to obtain graphite matrix;
[0046] 2) Titanium coating on the surface of graphite matrix: Coating a layer of metal titanium on the surface of graphite matrix by evaporation method, the specific operation is as follows:
[0047] A. Wet the surface of the graphite matrix with an adhesive; ) mixed;
[0048] B. Sprinkle the coating powder on the surface of the wetted graphite matrix; the coating powder is composed of TiO with a mass ratio of 37:53:20 2 , MgCl 2 Mixed with Al powder;
[0049] C. Place the graphite matrix in a vacuum furnace at 750°C for 6 hours under a vacuum of 3Pa;
[0050] D. Cool to below 100°C and take out of the oven. When ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Property
Measurement
Unit
density
aaaaa
aaaaa
Login to view more
Abstract
The invention relates to a production method of a graphite enamel material. The method concretely comprises the following steps: 1, producing a graphite matrix body: selecting a graphite bar or board as a matrix body material, and processing the matrix body material into a corresponding shape according to demands to obtain the graphite matrix body; 2, plating titanium on the surface of the graphite matrix body: A, wetting the surface of the graphite matrix body by using an adhesive; B, sprinkling plating powder to the wetted surface of the graphite matrix body; C, performing heat preservation on the graphite matrix body for 3-6h under conditions of the vacuum degree being 0.5-5Pa and the temperature being 600-850 DEG C; and D, performing cooling to the temperature of 100 DEG C or less, discharging the processed material from a furnace, performing cooling to a room temperature, and brushing away redundant powder by using a hair brush; and 3, preparing a titanium nitride layer: putting the graphite matrix body of which the surface is plated with the titanium in the step 2 to a vacuum furnace, performing vacuumizing to 0.1Pa or less, and starting heating; when the temperature is raised to 950-1200 DEG C, introducing nitrogen to 0.05+ / -0.02MPa, and performing heat preservation for 20-200min; and performing cooling to the temperature of 100 DEG C or less, and discharging the finished material from the vacuum furnace. The graphite enamel material has the advantages of high heat transmission, oxidation resistance, high-temperature resistance, temperature shock resistance and the like, and can be made into a furnace body supporting material, a material frame, a material plate and the like.
Description
technical field [0001] The invention belongs to the technical field of new materials, and in particular relates to a graphite enamel material and a manufacturing method thereof. Background technique [0002] Heat treatment of materials or workpieces is a common process method. In the process of product development, sometimes a process of heating graphite core material or other finely divided materials (workpieces) is involved. At this time, support racks for placing materials or trays for containing materials are required. This type of material rack or tray should meet the following conditions: 1) High thermal conductivity, so that the heating height of the material is uniform; 2) There is no obvious change in material composition and strength during heating; 3) It can withstand oxidative atmospheres such as carbon dioxide; 4) The surface should be clean and smooth without sticking to dirty materials; 5) It can withstand rapid temperature changes to improve production effic...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more