CN109942298A - A kind of preparation process of high-intensitive, anti-radiation carbon composite - Google Patents
A kind of preparation process of high-intensitive, anti-radiation carbon composite Download PDFInfo
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- CN109942298A CN109942298A CN201910320247.4A CN201910320247A CN109942298A CN 109942298 A CN109942298 A CN 109942298A CN 201910320247 A CN201910320247 A CN 201910320247A CN 109942298 A CN109942298 A CN 109942298A
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Abstract
The invention discloses a kind of preparation processes of high-intensitive, anti-radiation carbon composite, comprising the following steps: prepares material, is ground up, sieved, Hybrid Heating, roller sheet, broken, forging and forming, carbonization and cooling；The carbon composite is the inorganic high-performance composite materials that phosphorus content is higher than 90%, intrinsic person's character feature with carbon material, there is soft and processability again, it has excellent Burning corrosion resistance, thermal shock resistance, high specific strength, it high ratio modulus and has stable high-temperature performance, it is able to bear high temperature and the rate of heat addition, and it is high-intensitive with having under heat shock resistance and superthermal environment, the intensity and rigidity of material remain unchanged at high temperature, chemistry has certain inertia, it is anti-radiation, it is readily processible to various parts and manufacture, with excellent adhesive strength, dielectric properties are good, shrinking percentage is small, product size is stablized, hardness is high, the preferable feature of flexibility.
Description
Technical field
The present invention relates to carbon composite technical field, specially a kind of system of high-intensitive, anti-radiation carbon composite
Standby technique.
Background technique
Carbon composite is mainly a kind of special material being made of carbon, and phosphorus content is different and different with type, and one
As 90% or more, carbon composite has the characteristic of general carbon materials, such as high temperature resistant, rub resistance, conduction, thermally conductive and corrosion resistant
Erosion etc., but unlike general carbon materials, shape has significant anisotropy, softness, shows very high intensity, carbon
Composite material specific gravity is small, has very high specific strength, and using carbon from profit wearability, but general carbon composite is universal
Have the defects that the rigidity and intensity of material under thermal shock resistance low and high temperature are unstable and anti-radiation effect is poor；For this purpose, I
Propose the preparation process of high-intensitive, anti-radiation carbon composite a kind of.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation processes of high-intensitive, anti-radiation carbon composite, to solve to carry on the back
The problem of scape technology proposes.
To achieve the above object, the invention provides the following technical scheme: a kind of high-intensitive, anti-radiation carbon composite
Preparation process, comprising the following steps:
Step 1: prepare material: carbon 75.2%, metal powder 3.5% and adhesive 21.3%.
Step 2: it takes both quantitative carbon to be added in grinder and grinds, sieving obtains the carbon that partial size is 10-90 μm after grinding
Powder；
Step 3: carbon dust obtained in step 2 is added in kneading pot, and 50-70 points of metal powder stirring is added into kneading pot
Clock, kettle temperature rise to 140-150 degrees Celsius, and adhesive is then added and continues stirring 40-60 minutes, then takes the dish out of the pot, out pot temperature
Degree is 160-165 degrees Celsius, obtains mixture A；
Step 4: mixture A obtained in step 3 being added in flaking machine and carries out roller sheet, rolling thickness 2-3mm, roller sheet
It is crushed afterwards using crusher, puts into grinder and ground again after broken, it is 10- that partial size is obtained after being ground up, sieved
90 μm of composite material micro mist；
Step 5: being added to forging and forming in forging press for composite material micro mist, is added in roaster and is carried out at carbonization after molding
Reason, calcining time are 24-48 hours, are cooled to 300 degrees Celsius or less taking-ups after roasting in roaster, are cooled to outside furnace
Room temperature to get arrive carbon composite.
Preferably, in the step 3, metal powder is any one of copper powder or metallic aluminium powder.
Preferably, in the step 3, adhesive is epoxy resin.
Preferably, in the step 5, the bulk density of carbon composite is 1.63g/cm3, bending strength 115Mpa,
Tensile strength is 118 Mpa, and the coefficient of expansion 0.5, maximum operation (service) temperature is 2400 DEG C.
Compared with prior art, the beneficial effects of the present invention are:
1. the carbon composite is the inorganic high-performance composite materials that phosphorus content is higher than 90%, the intrinsic person's character with carbon material is special
Sign, and have soft and processability, it has excellent Burning corrosion resistance, thermal shock resistance, high specific strength, high ratio modulus and high temperature
Performance is stablized；
2. the carbon composite is able to bear high temperature and the rate of heat addition, and has under heat shock resistance and superthermal environment and have
There is high intensity, the intensity and rigidity of material remain unchanged at high temperature, and chemistry has certain inertia, and it is anti-radiation, it is easily worked
At various parts and manufacture；
3. the carbon composite utilizes the characteristic of metal material, in adhesive epoxy resin to the table of metal and nonmetallic materials
Face has excellent adhesive strength, and dielectric properties are good, and shrinking percentage is small, and product size is stablized, and hardness is high, and flexibility is preferable
Feature.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment one:
A kind of preparation process of high-intensitive, anti-radiation carbon composite, comprising the following steps:
Step 1: prepare material: carbon 75.2%, metal powder 3.5% and adhesive 21.3%.
Step 2: it takes both quantitative carbon to be added in grinder and grinds, sieving obtains the carbon dust that partial size is 30 μm after grinding；
Step 3: carbon dust obtained in step 2 is added in kneading pot, and metal powder is added into kneading pot and stirs 50 minutes,
Kettle temperature rises to 140 degrees Celsius, and adhesive is then added and continues stirring 40 minutes, then takes the dish out of the pot, and pot temperature is 160 Celsius out
Degree, obtains mixture A；
Step 4: mixture A obtained in step 3 being added in flaking machine and carries out roller sheet, rolling thickness 2mm, after roller sheet
It is crushed using crusher, puts into grinder and ground again after broken, it is 30 μm that partial size is obtained after being ground up, sieved
Composite material micro mist；
Step 5: being added to forging and forming in forging press for composite material micro mist, is added in roaster and is carried out at carbonization after molding
Reason, calcining time are 32 hours, are cooled to 280 degrees Celsius of taking-ups after roasting in roaster, are cooled to room temperature outside furnace, i.e.,
Obtain carbon composite.
Further, in step 3, metal powder is metallic aluminium powder.
Further, in step 3, adhesive is epoxy resin.
Further, in step 5, the bulk density of carbon composite is 1.63g/cm3, bending strength 115Mpa, is resisted
Tensile strength is 118 Mpa, and the coefficient of expansion 0.5, maximum operation (service) temperature is 2400 DEG C.
Embodiment two:
A kind of preparation process of high-intensitive, anti-radiation carbon composite, comprising the following steps:
Step 1: prepare material: carbon 75.2%, metal powder 3.5% and adhesive 21.3%.
Step 2: it takes both quantitative carbon to be added in grinder and grinds, sieving obtains the carbon dust that partial size is 60 μm after grinding；
Step 3: carbon dust obtained in step 2 is added in kneading pot, and metal powder is added into kneading pot and stirs 60 minutes,
Kettle temperature rises to 145 degrees Celsius, and adhesive is then added and continues stirring 50 minutes, then takes the dish out of the pot, and pot temperature is 163 Celsius out
Degree, obtains mixture A；
Step 4: mixture A obtained in step 3 being added in flaking machine and carries out roller sheet, rolling thickness 2.5mm, roller sheet
It is crushed afterwards using crusher, puts into grinder and ground again after broken, it is 60 μ that partial size is obtained after being ground up, sieved
The composite material micro mist of m；
Step 5: being added to forging and forming in forging press for composite material micro mist, is added in roaster and is carried out at carbonization after molding
Reason, calcining time are 40 hours, are cooled to 260 degrees Celsius of taking-ups after roasting in roaster, are cooled to room temperature outside furnace, i.e.,
Obtain carbon composite.
Further, in step 3, metal powder is copper powder.
Further, in step 3, adhesive is epoxy resin.
Further, in step 5, the bulk density of carbon composite is 1.63g/cm3, bending strength 115Mpa, is resisted
Tensile strength is 118 Mpa, and the coefficient of expansion 0.5, maximum operation (service) temperature is 2400 DEG C.
Embodiment three:
A kind of preparation process of high-intensitive, anti-radiation carbon composite, comprising the following steps:
Step 1: prepare material: carbon 75.2%, metal powder 3.5% and adhesive 21.3%.
Step 2: it takes both quantitative carbon to be added in grinder and grinds, sieving obtains the carbon dust that partial size is 75 μm after grinding；
Step 3: carbon dust obtained in step 2 is added in kneading pot, and metal powder is added into kneading pot and stirs 70 minutes,
Kettle temperature rises to 150 degrees Celsius, and adhesive is then added and continues stirring 60 minutes, then takes the dish out of the pot, and pot temperature is 165 Celsius out
Degree, obtains mixture A；
Step 4: mixture A obtained in step 3 being added in flaking machine and carries out roller sheet, rolling thickness 3mm, after roller sheet
It is crushed using crusher, puts into grinder and ground again after broken, it is 75 μm that partial size is obtained after being ground up, sieved
Composite material micro mist；
Step 5: being added to forging and forming in forging press for composite material micro mist, is added in roaster and is carried out at carbonization after molding
Reason, calcining time are 48 hours, are cooled to 250 degrees Celsius of taking-ups after roasting in roaster, are cooled to room temperature outside furnace, i.e.,
Obtain carbon composite.
Further, in step 3, metal powder is copper powder.
Further, in step 3, adhesive is epoxy resin.
Further, in step 5, the bulk density of carbon composite is 1.63g/cm3, bending strength 115Mpa, is resisted
Tensile strength is 118 Mpa, and the coefficient of expansion 0.5, maximum operation (service) temperature is 2400 DEG C.
Above three groups of embodiments can be used as preparation process of the invention, and advantages of the present invention is as follows:
1. the carbon composite is the inorganic high-performance composite materials that phosphorus content is higher than 90%, the intrinsic person's character with carbon material is special
Sign, and have soft and processability, it has excellent Burning corrosion resistance, thermal shock resistance, high specific strength, high ratio modulus and high temperature
Performance is stablized；
2. the carbon composite is able to bear high temperature and the rate of heat addition, and has under heat shock resistance and superthermal environment and have
There is high intensity, the intensity and rigidity of material remain unchanged at high temperature, and chemistry has certain inertia, and it is anti-radiation, it is easily worked
At various parts and manufacture；
3. the carbon composite utilizes the characteristic of metal material, in adhesive epoxy resin to the table of metal and nonmetallic materials
Face has excellent adhesive strength, and dielectric properties are good, and shrinking percentage is small, and product size is stablized, and hardness is high, and flexibility is preferable
Feature.
The performance indicator of the carbon composite:
| Bulk density g/cm3 | 1.63 |
| Bending strength Mpa | 115 |
| Tensile strength Mpa | 118 |
| The coefficient of expansion 10-6 | 0.5 |
| Maximum operation (service) temperature DEG C | 2400 |
Step 2 milling:
| D10 microns | D50 microns | D90 microns |
| 7.6 | 23.9 | 48.1 |
Step 4 milling:
| D10 microns | D50 microns | D90 microns |
| 10.2 | 31.4 | 59.6 |
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, it is possible to understand that
These embodiments can be carried out with a variety of variations, modification, replacement without departing from the principles and spirit of the present invention and become
Type, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of preparation process of high-intensitive, anti-radiation carbon composite, which comprises the following steps:
Step 1: prepare material: carbon 75.2%, metal powder 3.5% and adhesive 21.3%；
Step 2: it takes both quantitative carbon to be added in grinder and grinds, sieving obtains the carbon dust that partial size is 10-90 μm after grinding；
Step 3: carbon dust obtained in step 2 is added in kneading pot, and 50-70 points of metal powder stirring is added into kneading pot
Clock, kettle temperature rise to 140-150 degrees Celsius, and adhesive is then added and continues stirring 40-60 minutes, then takes the dish out of the pot, out pot temperature
Degree is 160-165 degrees Celsius, obtains mixture A；
Step 4: mixture A obtained in step 3 being added in flaking machine and carries out roller sheet, rolling thickness 2-3mm, roller sheet
It is crushed afterwards using crusher, puts into grinder and ground again after broken, it is 10- that partial size is obtained after being ground up, sieved
90 μm of composite material micro mist；
Step 5: being added to forging and forming in forging press for composite material micro mist, is added in roaster and is carried out at carbonization after molding
Reason, calcining time are 24-48 hours, are cooled to 300 degrees Celsius or less taking-ups after roasting in roaster, are cooled to outside furnace
Room temperature to get arrive carbon composite.
2. a kind of preparation process of high-intensitive, anti-radiation carbon composite according to claim 1, it is characterised in that:
In the step 3, metal powder is any one of copper powder or metallic aluminium powder.
3. a kind of preparation process of high-intensitive, anti-radiation carbon composite according to claim 1, it is characterised in that:
In the step 3, adhesive is epoxy resin.
4. a kind of preparation process of high-intensitive, anti-radiation carbon composite according to claim 1, it is characterised in that:
In the step 5, the bulk density of carbon composite is 1.63g/cm3, bending strength 115Mpa, tensile strength 118
Mpa, the coefficient of expansion 0.5, maximum operation (service) temperature are 2400 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320247.4A CN109942298A (en) | 2019-04-19 | 2019-04-19 | A kind of preparation process of high-intensitive, anti-radiation carbon composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320247.4A CN109942298A (en) | 2019-04-19 | 2019-04-19 | A kind of preparation process of high-intensitive, anti-radiation carbon composite |
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| Publication Number | Publication Date |
|---|---|
| CN109942298A true CN109942298A (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910320247.4A Withdrawn CN109942298A (en) | 2019-04-19 | 2019-04-19 | A kind of preparation process of high-intensitive, anti-radiation carbon composite |
Country Status (1)
| Country | Link |
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| CN (1) | CN109942298A (en) |
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2019
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Application publication date: 20190628 |