CN106626718A - Method for improving density of carbon fiber needled preform - Google Patents
Method for improving density of carbon fiber needled preform Download PDFInfo
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- CN106626718A CN106626718A CN201610838619.9A CN201610838619A CN106626718A CN 106626718 A CN106626718 A CN 106626718A CN 201610838619 A CN201610838619 A CN 201610838619A CN 106626718 A CN106626718 A CN 106626718A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/18—Aircraft
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Abstract
The invention provides a method for improving density of a carbon fiber needled preform. The method comprises the following steps: firstly laying a carbon fiber web on a flat-shaped foam cushion layer or outside a cylindrical core mould, and then needling the foam cushion layer or core mould laid with the carbon fiber web, so that a bottoming material is obtained; secondly, laying multiple unit layers on the bottoming material to obtain a laid-up material, or winding multiple unit layers on the core mould to obtain a winding material; and thirdly, needling, and then reinforcing needling, so that the fiber needled preform is obtained. The method provided by the invention is simple in operation, strong in production continuity and high in carbon fiber volume content, fibers are uniformly laid up, after a subsequent chemical vapour deposition densification technology is carried out, stability, strength and thermal shock resistance of a product in a thermal field are higher, service life is prolonged, and replacement rate is reduced.
Description
Technical field
The invention belongs to carbon fibre composite technical field, and in particular to one kind improves carbon fiber needling preform density
Method.
Background technology
In recent years, carbon/carbon compound material is widely used in thermal field stove, and flat board, cylinder needling preform are through chemistry
After vapour deposition, in being also applied to the thermal field stove such as high temperature furnace, monocrystalline silicon draw machines.Also, it is relative to the density requirements of precast body
It is higher.Accordingly, it would be desirable to a kind of process is simple, the easy to operate method for improving flat board or cylindric prefabricated volume density.
The content of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, there is provided one kind improves carbon fiber
The method of needling preform density.The method is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is equal
Even, after subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, improves
Service life, reduces turnover rate.
To solve above-mentioned technical problem, the technical solution used in the present invention is：It is close that one kind improves carbon fiber needling preform
The method of degree, it is characterised in that the method is comprised the following steps：
Step one, carbon fibre web tire is laid on it is shaped as on flat foam carpet, then to being equipped with carbon fiber
The foam carpet of net tire carries out acupuncture, obtains prime material；The direction of the acupuncture is perpendicular with the upper surface of foam carpet；
Step 2,3～10 layer unit layers are laid on described in step one on prime material, obtain laminated material；It is described
Elementary layer is formed by one layer of carbon fibre web tire and one layer of folded setting of carbon cloth, and the carbon fibre web position of foetus is in the top of carbon cloth
Portion；
Step 3, acupuncture is carried out to laminated material described in step 2, then benefit thorn is carried out to the laminated material after acupuncture,
It is final that density is obtained on foam carpet for 0.50g/cm3～0.70g/cm3Fibre prickling precast body；The acupuncture and benefit thorn
Direction it is perpendicular with the upper surface of laminated material；The number of times m for mending thorn meets：M=n-2, n are unit in laminated material
The laying number of plies of layer.
The method of above-mentioned a kind of raising carbon fiber needling preform density, it is characterised in that in step one and step 2
The surface density of the carbon fibre web tire is 40g/m2～100g/m2。
The method of above-mentioned a kind of raising carbon fiber needling preform density, it is characterised in that carbon described in step 2 is fine
Wei Bu is without latitude, plain weave, twill or satin weave carbon cloth.
The method of above-mentioned a kind of raising carbon fiber needling preform density, it is characterised in that carbon described in step 2 is fine
The surface density of dimension cloth is 240g/m2～480g/m2。
A kind of method of above-mentioned raising carbon fiber needling preform density, it is characterised in that acupuncture described in step 3
15 pins/cm is with the density for mending thorn2～50 pins/cm2, the acupuncture and mend thorn depth be 15mm～25mm.
Present invention also offers the method for another raising carbon fiber needling preform density, it is characterised in that the party
Method is comprised the following steps：
Step one, carbon fibre web tire is coated on be shaped as cylindrical shape core outside, then along the radial direction pair of core
Being coated with the core of carbon fibre web tire carries out acupuncture, obtains prime material；
Step 2, by elementary layer on prime material described in step one, obtain coiling material；The elementary layer by
One layer of carbon fibre web tire and one layer of folded setting of carbon cloth form, and the carbon fibre web position of foetus is in the outside of carbon cloth during winding；
The Winding Layer of the elementary layer is 3～10 layers；
Step 3, acupuncture is carried out to coiling material described in step 2, then benefit thorn is carried out to the coiling material after acupuncture,
It is final that density is obtained outside core for 0.50g/cm3～0.60g/cm3Fibre prickling precast body；The acupuncture and the side of benefit thorn
To consistent with the radial direction of core；The number of times m for mending thorn meets：M=n-2, n are the winding layer of elementary layer in coiling material
Number.
The method of above-mentioned a kind of raising carbon fiber needling preform density, it is characterised in that in step one and step 2
The surface density of the carbon fibre web tire is 40g/m2～100g/m2。
The method of above-mentioned a kind of raising carbon fiber needling preform density, it is characterised in that carbon described in step 2 is fine
Wei Bu is without latitude, plain weave, twill or satin weave carbon cloth.
The method of above-mentioned a kind of raising carbon fiber needling preform density, it is characterised in that carbon described in step 2 is fine
The surface density of dimension cloth is 240g/m2～480g/m2。
A kind of method of above-mentioned raising carbon fiber needling preform density, it is characterised in that acupuncture described in step 3
15 pins/cm is with the density for mending thorn2～50 pins/cm2, the acupuncture and mend thorn depth be 15mm～25mm.
The present invention has compared with prior art advantages below：
1st, the present invention is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform, through follow-up
After chemical vapor deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, improves service life, subtracts
Few turnover rate.
2nd, the present invention adopts multiple-unit layer ply sequence, greatly improves operating efficiency.
3rd, the present invention according to density requirements, can increase or reduce the laying number of plies or Winding Layer of elementary layer, realize close
Degree is controllable；It is of the invention compared with traditional needle-punching method, substantially increase flat board, cylinder acupuncture carbon fiber precast body it is close
Degree.
4th, the present invention is applied widely, can be widely applied to the fibres such as aeroplane brake discses or the carbon/carbon compound material of resistance to ablation
In the thermal field stoves such as dimension matrix material, high temperature furnace, monocrystalline silicon draw machines.
The present invention is described in further detail with reference to embodiment.
Specific embodiment
Embodiment 1
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 80g/m2Carbon fibre web tire be laid on and be shaped as on flat foam carpet, so
Afterwards the foam carpet to being equipped with carbon fibre web tire carries out acupuncture, obtains prime material；The direction of the acupuncture and foam carpet
Upper surface it is perpendicular；
Step 2,3 layer unit layers are successively laid on described in step one on prime material, obtain laminated material；It is described
Elementary layer is 80g/m by an aspect density2Carbon fibre web tire and an aspect density be 360g/m2Plain weave carbon fiber cloth folded set
Form, and the carbon fibre web position of foetus is in the top of plain weave carbon fiber cloth；
Step 3, acupuncture is carried out to laminated material described in step 2,1 benefit is then carried out to the laminated material after acupuncture
Thorn, finally obtains density for 0.55g/cm on foam carpet3Carbon fiber flat board needling preform；What the acupuncture and benefit were pierced
Direction is perpendicular with the upper surface of laminated material；The density of acupuncture and benefit thorn is 20 pins/cm2, the acupuncture and mend thorn
Depth is 16mm.
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
Comparative example 1
The preparation method of this comparative example carbon fiber needling preform is comprised the following steps：
Step one, by surface density be 80g/m2Carbon fibre web tire be laid on and be shaped as on flat foam carpet, so
Afterwards the foam carpet to being equipped with carbon fibre web tire carries out acupuncture, obtains prime material；The direction of the acupuncture and foam carpet
Upper surface it is perpendicular；
Step 2,3 layer unit layers are successively laid on described in step one on prime material, and in the process successively laid
In successively carry out acupuncture, carbon fiber flat board needling preform is obtained on foam carpet；The elementary layer is by an aspect density
80g/m2Carbon fibre web tire and an aspect density be 360g/m2Folded the setting of plain weave carbon fiber cloth form, and the carbon fibre web position of foetus in
The top of plain weave carbon fiber cloth, and the carbon fibre web position of foetus is in the top of carbon cloth；Needling density is 20 pins/cm2, depth of needling
For 16mm；
After testing, the density of carbon fiber flat board needling preform prepared by comparative example 1 is adopted for 0.42g/cm3。
By the way that by comparative example 1 and the comparative analysis of embodiment 1, the present invention is by complete by multilevel-cell layer one-time laying
Finish, acupuncture is then carried out again and thorn is mended, the density of carbon fiber needling preform can be significantly improved.
Embodiment 2
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 60g/m2Carbon fibre web tire be laid on and be shaped as on flat foam carpet, so
Afterwards the foam carpet to being equipped with carbon fibre web tire carries out acupuncture, obtains prime material；The direction of the acupuncture and foam carpet
Upper surface it is perpendicular；
Step 2,6 layer unit layers are successively laid on described in step one on prime material, obtain laminated material；It is described
Elementary layer is 60g/m by an aspect density2Carbon fibre web tire and an aspect density be 400g/m2Set without latitude carbon cloth is folded
Form, and the carbon fibre web position of foetus is in the top without latitude carbon cloth；
Step 3, acupuncture is carried out to laminated material described in step 2,4 benefits are then carried out to the laminated material after acupuncture
Thorn, finally obtains density for 0.61g/cm on foam carpet3Carbon fiber flat board needling preform；What the acupuncture and benefit were pierced
Direction is perpendicular with the upper surface of laminated material；The density of acupuncture and benefit thorn is 25 pins/cm2, the acupuncture and mend thorn
Depth is 20mm.
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
Embodiment 3
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 100g/m2Carbon fibre web tire be laid on and be shaped as on flat foam carpet, so
Afterwards the foam carpet to being equipped with carbon fibre web tire carries out acupuncture, obtains prime material；The direction of the acupuncture and foam carpet
Upper surface it is perpendicular；
Step 2,10 layer unit layers are successively laid on described in step one on prime material, obtain laminated material；It is described
Elementary layer is 50g/m by an aspect density2Carbon fibre web tire and an aspect density be 480g/m2Satin weave carbon cloth folded set
Form, and the carbon fibre web position of foetus is in the top of carbon cloth；
Step 3, acupuncture is carried out to laminated material described in step 2,8 benefits are then carried out to the laminated material after acupuncture
Thorn, finally obtains density for 0.70g/cm on foam carpet3Carbon fiber flat board needling preform；What the acupuncture and benefit were pierced
Direction is perpendicular with the upper surface of laminated material；The density of acupuncture and benefit thorn is 15 pins/cm2, the acupuncture and mend thorn
Depth is 25mm.
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
Embodiment 4
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 40g/m2Carbon fibre web tire be laid on and be shaped as on flat foam carpet, so
Afterwards the foam carpet to being equipped with carbon fibre web tire carries out acupuncture, obtains prime material；The direction of the acupuncture and foam carpet
Upper surface it is perpendicular；
Step 2,6 layer unit layers are successively laid on described in step one on prime material, obtain laminated material；It is described
Elementary layer is 40g/m by an aspect density2Carbon fibre web tire and an aspect density be 240g/m2Set without latitude carbon cloth is folded
Form, and the carbon fibre web position of foetus is in the top of carbon cloth；
Step 3, acupuncture is carried out to laminated material described in step 2,4 benefits are then carried out to the laminated material after acupuncture
Thorn, finally obtains density for 0.52g/cm on foam carpet3Carbon fiber flat board needling preform；What the acupuncture and benefit were pierced
Direction is perpendicular with the upper surface of laminated material；The density of acupuncture and benefit thorn is 50 pins/cm2, the acupuncture and mend thorn
Depth is 15mm.
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
Embodiment 5
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 45g/m2Carbon fibre web tire be coated on be shaped as cylindrical shape core outside, Ran Houyan
The radial direction of core carries out acupuncture to the core for being coated with carbon fibre web tire, obtains prime material；
Step 2, by elementary layer on prime material described in step one, obtain coiling material；The elementary layer by
One aspect density is 45g/m2Carbon fibre web tire and an aspect density be 480g/m2Folded the setting of satin weave carbon cloth form, wind
The Shi Suoshu carbon fibre webs position of foetus is in the outside of carbon cloth；The Winding Layer of the elementary layer is 4 layers；
Step 3, acupuncture is carried out to coiling material described in step 2,2 benefits are then carried out to the coiling material after acupuncture
Thorn, finally obtains density for 0.57g/cm outside core3Carbon fiber cylinder needling preform；The acupuncture and the direction of benefit thorn
It is consistent with the radial direction of core；The density of acupuncture and benefit thorn is 30 pins/cm2, the acupuncture and mend thorn depth be
20mm。
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
Comparative example 2
The preparation method of this comparative example carbon fiber needling preform is comprised the following steps：
Step one, by surface density be 45g/m2Carbon fibre web tire be coated on be shaped as cylindrical shape core outside, Ran Houyan
The radial direction of core carries out acupuncture to the core for being coated with carbon fibre web tire, obtains prime material；
Step 2, by elementary layer on prime material described in step one, and in winding process, often wind one layer
An acupuncture is carried out, needling direction is the radial direction of core；Needling density is 30 pins/cm2, depth of needling is 20mm, outside core
Obtain carbon fiber cylinder needling preform；The elementary layer is 45g/m by an aspect density2Carbon fibre web tire and an aspect it is close
Spend for 480g/m2Folded the setting of satin weave carbon cloth form, the carbon fibre web position of foetus is in the outside of carbon cloth during winding；It is described
The Winding Layer of elementary layer is 4 layers.
After testing, the density of carbon fiber cylinder needling preform prepared by comparative example 2 is adopted for 0.46g/cm3。
By the way that by comparative example 2 and the comparative analysis of embodiment 5, the present invention is finished by the way that elementary layer is disposably wound,
Then acupuncture is carried out again and thorn is mended, and can significantly improve the density of carbon fiber needling preform.
Embodiment 6
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 40g/m2Carbon fibre web tire be coated on be shaped as cylindrical shape core outside, Ran Houyan
The radial direction of core carries out acupuncture to the core for being coated with carbon fibre web tire, obtains prime material；
Step 2, by elementary layer on prime material described in step one, obtain coiling material；The elementary layer by
One aspect density is 40g/m2Carbon fibre web tire and an aspect density be 240g/m2Folded the setting of twill carbon cloth form, wind
The Shi Suoshu carbon fibre webs position of foetus is in the outside of carbon cloth；The Winding Layer of the elementary layer is 5 layers；
Step 3, acupuncture is carried out to coiling material described in step 2,3 benefits are then carried out to the coiling material after acupuncture
Thorn, finally obtains density for 0.53g/cm outside core3Carbon fiber cylinder needling preform；The acupuncture and the direction of benefit thorn
It is consistent with the radial direction of core；The density of acupuncture and benefit thorn is 15 pins/cm2, the acupuncture and mend thorn depth be
25mm。
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
Embodiment 7
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 100g/m2Carbon fibre web tire be coated on be shaped as cylindrical shape core outside, Ran Houyan
The radial direction of core carries out acupuncture to the core for being coated with carbon fibre web tire, obtains prime material；
Step 2, by elementary layer on prime material described in step one, obtain coiling material；The elementary layer by
One aspect density is 100g/m2Carbon fibre web tire and an aspect density be 480g/m2Form without folded the setting of latitude carbon cloth, roll up
Around when the carbon fibre web position of foetus in the outside of carbon cloth；The Winding Layer of the elementary layer is 3 layers；
Step 3, acupuncture is carried out to coiling material described in step 2,1 benefit is then carried out to the coiling material after acupuncture
Thorn, finally obtains density for 0.51g/cm outside core3Carbon fiber cylinder needling preform；The acupuncture and the direction of benefit thorn
It is consistent with the radial direction of core；The density of acupuncture and benefit thorn is 15 pins/cm2, the acupuncture and mend thorn depth be
15mm。
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
Embodiment 8
The present embodiment improves the method for carbon fiber needling preform density and comprises the following steps：
Step one, by surface density be 100g/m2Carbon fibre web tire be coated on be shaped as cylindrical shape core outside, Ran Houyan
The radial direction of core carries out acupuncture to the core for being coated with carbon fibre web tire, obtains prime material；
Step 2, by elementary layer on prime material described in step one, obtain coiling material；The elementary layer by
One aspect density is 50g/m2Carbon fibre web tire and an aspect density be 400g/m2Folded the setting of twill carbon cloth form, wind
The Shi Suoshu carbon fibre webs position of foetus is in the outside of carbon cloth；The Winding Layer of the elementary layer is 10 layers；
Step 3, acupuncture is carried out to coiling material described in step 2,8 benefits are then carried out to the coiling material after acupuncture
Thorn, finally obtains density for 0.60g/cm outside core3Carbon fiber cylinder needling preform；The density of acupuncture and benefit thorn is
50 pins/cm2, the acupuncture and mend thorn depth be 25mm.
The present embodiment methods described is simple to operate, and continuous production is strong, and carbon fiber volume content is high, and fiber laying is uniform,
After subsequent chemistry vapour deposition densification technique, strength of stability and resistance to heat shocks of the product in thermal field can be higher, and raising makes
With the life-span, turnover rate is reduced.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions.It is every according to invention skill
Any simple modification, change and equivalence changes that art is substantially made to above example, still fall within technical solution of the present invention
Protection domain in.
Claims (10)
1. it is a kind of improve carbon fiber needling preform density method, it is characterised in that the method is comprised the following steps：
Step one, carbon fibre web tire is laid on it is shaped as on flat foam carpet, then to being equipped with carbon fibre web tire
Foam carpet carry out acupuncture, obtain prime material；The direction of the acupuncture is perpendicular with the upper surface of foam carpet；
Step 2,3～10 layer unit layers are laid on described in step one on prime material, obtain laminated material；The unit
Layer is formed by one layer of carbon fibre web tire and one layer of folded setting of carbon cloth, and the carbon fibre web position of foetus is in the top of carbon cloth；
Step 3, acupuncture is carried out to laminated material described in step 2, then benefit thorn is carried out to the laminated material after acupuncture, finally
Density is obtained on foam carpet for 0.50g/cm3～0.70g/cm3Fibre prickling precast body；The acupuncture and the side of benefit thorn
To perpendicular with the upper surface of laminated material；The number of times m for mending thorn meets：M=n-2, n are elementary layer in laminated material
The laying number of plies.
2. it is according to claim 1 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step one
40g/m is with the surface density of carbon fibre web tire described in step 22～100g/m2。
3. it is according to claim 1 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step 2
Described in carbon cloth be without latitude, plain weave, twill or satin weave carbon cloth.
4. it is according to claim 1 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step 2
Described in carbon cloth surface density be 240g/m2～480g/m2。
5. it is according to claim 1 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step 3
Described in acupuncture and mend thorn density be 15 pins/cm2～50 pins/cm2, the acupuncture and mend thorn depth be 15mm～
25mm。
6. it is a kind of improve carbon fiber needling preform density method, it is characterised in that the method is comprised the following steps：
Step one, carbon fibre web tire is coated on be shaped as cylindrical shape core outside, then along core radial direction to cladding
The core for having carbon fibre web tire carries out acupuncture, obtains prime material；
Step 2, by elementary layer on prime material described in step one, obtain coiling material；The elementary layer is by one layer
Carbon fibre web tire and one layer of folded setting of carbon cloth form, and the carbon fibre web position of foetus is in the outside of carbon cloth during winding；It is described
The Winding Layer of elementary layer is 3～10 layers；
Step 3, acupuncture is carried out to coiling material described in step 2, then benefit thorn is carried out to the coiling material after acupuncture, finally
Density is obtained outside core for 0.50g/cm3～0.60g/cm3Fibre prickling precast body；The direction of the acupuncture and benefit thorn is equal
It is consistent with the radial direction of core；The number of times m for mending thorn meets：M=n-2, n are the Winding Layer of elementary layer in coiling material.
7. it is according to claim 6 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step one
40g/m is with the surface density of carbon fibre web tire described in step 22～100g/m2。
8. it is according to claim 6 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step 2
Described in carbon cloth be without latitude, plain weave, twill or satin weave carbon cloth.
9. it is according to claim 6 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step 2
Described in carbon cloth surface density be 240g/m2～480g/m2。
10. it is according to claim 6 it is a kind of improve carbon fiber needling preform density method, it is characterised in that step
The density of acupuncture described in three and benefit thorn is 15 pins/cm2～50 pins/cm2, the acupuncture and mend thorn depth be 15mm～
25mm。
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| CN108411498A (en) * | 2018-05-17 | 2018-08-17 | 佛山维顺翔复合材料有限公司 | A kind of crucible side automatic moulding machine |
| CN108797945A (en) * | 2018-06-15 | 2018-11-13 | 常州市康诺装饰材料有限公司 | A kind of high intensity floor |
| CN109795180A (en) * | 2019-02-28 | 2019-05-24 | 山东道普安制动材料有限公司 | A kind of weaving method of the carbon fiber precast body of automobile brake disc |
| CN110549641A (en) * | 2019-09-06 | 2019-12-10 | 长沙晶优新材料科技有限公司 | profiling prefabricated part puncturing method |
| CN111848203A (en) * | 2020-07-29 | 2020-10-30 | 上海大学绍兴研究院 | Method and die for net size forming of carbon fiber needling preform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108411498A (en) * | 2018-05-17 | 2018-08-17 | 佛山维顺翔复合材料有限公司 | A kind of crucible side automatic moulding machine |
| CN108411498B (en) * | 2018-05-17 | 2023-07-21 | 张晓红 | Automatic forming machine for crucible side |
| CN108797945A (en) * | 2018-06-15 | 2018-11-13 | 常州市康诺装饰材料有限公司 | A kind of high intensity floor |
| CN108797945B (en) * | 2018-06-15 | 2020-11-03 | 常州市康诺装饰材料有限公司 | High-strength floor |
| CN109795180A (en) * | 2019-02-28 | 2019-05-24 | 山东道普安制动材料有限公司 | A kind of weaving method of the carbon fiber precast body of automobile brake disc |
| CN110549641A (en) * | 2019-09-06 | 2019-12-10 | 长沙晶优新材料科技有限公司 | profiling prefabricated part puncturing method |
| CN111848203A (en) * | 2020-07-29 | 2020-10-30 | 上海大学绍兴研究院 | Method and die for net size forming of carbon fiber needling preform |
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Application publication date: 20170510 |