CN113942275A - Composite material structure and preparation method thereof - Google Patents

Composite material structure and preparation method thereof Download PDF

Info

Publication number
CN113942275A
CN113942275A CN202010685212.3A CN202010685212A CN113942275A CN 113942275 A CN113942275 A CN 113942275A CN 202010685212 A CN202010685212 A CN 202010685212A CN 113942275 A CN113942275 A CN 113942275A
Authority
CN
China
Prior art keywords
fiber layer
flow guide
layer
mold
guide intermediate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010685212.3A
Other languages
Chinese (zh)
Inventor
刘哲原
李长兴
刘命权
赖昭旭
熊宥甯
许家彰
游本坚
王淑芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hocheng Corp
Original Assignee
Hocheng Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hocheng Corp filed Critical Hocheng Corp
Priority to CN202010685212.3A priority Critical patent/CN113942275A/en
Publication of CN113942275A publication Critical patent/CN113942275A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • B32B1/00—Layered products having a non-planar shape
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
    • 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
    • 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
    • B32B38/08—Impregnating
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B32B2260/023—Two or more layers
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • 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
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • 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
    • 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
    • B32B2262/101—Glass fibres
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a composite material structure and a preparation method thereof. The composite material structure mainly comprises a first fiber layer, at least one flow guide middle layer and a second fiber layer which are sequentially overlapped from top to bottom. The preparation method comprises the steps of firstly, sequentially overlapping and paving a second mould, a first fiber layer, at least one flow guide middle layer and a second fiber layer on the surface of the first mould from top to bottom, and then covering and sealing the second mould by using a vacuum plastic film; after the space between the vacuum plastic film and the first mold is vacuumized, the liquid resin flows upwards and downwards through the flow guide intermediate layers by utilizing the vacuum pressure to soak the first fiber layer and the second fiber layer, the liquid resin flows from the first end to the second end, the feeding end is closed after the liquid resin completely soaks the first fiber layer, the flow guide intermediate layers and the second fiber layer, and finally the liquid resin is cured and molded, so that the composite material is obtained.

Description

Composite material structure and preparation method thereof
Technical Field
The invention relates to a composite material structure and a preparation method thereof, in particular to a composite material structure which can enable the inner surface and the outer surface of the composite material structure to have high-quality surfaces so as to be used as a product shell with special requirements.
Background
At present, a technique for forming a product housing by hardening a plurality of carbon fiber cloths overlapped with each other by heating and pressurizing is available in the market, which can provide a sufficient strength to the product and reduce the weight and thickness of the product. The Vacuum Assisted Resin Transfer Molding (VARTM) is a closed mold Molding technology, and is mainly characterized in that a plurality of layers of carbon fiber or glass fiber dry cloth are paved on the surface of a mold, a layer of release paper is added above the dry cloth, a layer of guide mesh cloth and a guide pipe are added above the release paper, a Vacuum plastic film is used for covering and sealing along the periphery of the mold, so that after the space between the Vacuum plastic film and the mold is vacuumized, Resin is downwards infused through the guide mesh cloth by using Vacuum pressure to soak the dry cloth, a flow channel is closed after the Resin completely soaks the glass fiber cloth or the carbon fiber cloth, and finally, the Resin is cured and molded.
Disclosure of Invention
Although the above-mentioned forming techniques in the prior art can effectively manufacture a composite material containing fiber cloth to be used as a product housing, the surface of the product in contact with the mold is delicate or smooth, while the surface in contact with the release paper is relatively rough, so that the expected effect cannot be achieved by using the existing VARTM technique alone for a housing requiring high quality surfaces on both the inside and outside. In view of the above, the inventor of the present invention has proposed the present invention by accumulating years of experience and continuous development and improvement in order to improve the above-mentioned disadvantages of the prior art.
The present invention provides a composite material structure and a method for manufacturing the same, which can solve the problem that the conventional VARTM molding technology cannot make both the inner and outer surfaces of a composite material product have high quality surfaces, and can make both the inner and outer surfaces of the composite material structure have high quality surfaces by filling liquid resin into the composite material structure through one end of at least one flow guiding intermediate layer and respectively soaking different fiber layers by respectively making the liquid resin flow upward and downward, so as to form the composite material structure having high quality surfaces on both the inner and outer surfaces, which can be used as a product housing with special requirements.
In order to achieve the above object, the present invention provides a composite material structure, which includes a first fiber layer, at least one flow guiding intermediate layer, and a second fiber layer sequentially overlapped from top to bottom, wherein the first fiber layer has a plurality of first gaps communicated from top to bottom, the second fiber layer has a plurality of second gaps communicated from top to bottom, each of the first gaps and each of the second gaps are filled with a cured resin, and the cured resin is used to coat the first fiber layer and the second fiber layer respectively; each flow guide intermediate layer comprises a transverse first end and a second end opposite to the first end, each flow guide intermediate layer is provided with a plurality of channels communicated with the first end and the second end, each channel is also communicated with each first gap and each second gap, hardened resin is filled in each channel, and each flow guide intermediate layer is coated by the hardened resin.
Preferably, the first fiber layer and the second fiber layer respectively comprise a plurality of layers of dry fiber cloth, and the diversion middle layer is made of fiber cloth with disordered fibers.
The invention also provides a preparation method of the composite material structure, which mainly comprises the following steps:
a. overlapping a first fiber layer, at least one flow guide intermediate layer and a second fiber layer on the surface of a first mould from top to bottom in sequence, adding a second mould above the first fiber layer, and then covering and sealing a vacuum plastic film above the second mould along the periphery of the first mould, wherein each flow guide intermediate layer comprises a transverse first end and a second end opposite to the first end, the first end of each flow guide intermediate layer is communicated with a feeding end to pour resin, and the second end of each flow guide intermediate layer is communicated with a suction end to extract air; and
b. after the space between the vacuum plastic film and the first mold is vacuumized, liquid resin flows upwards and downwards through the flow guide intermediate layers by utilizing vacuum pressure to soak the first fiber layer and the second fiber layer respectively, the liquid resin flows from the first end to the second end, the feeding end is closed after the first fiber layer, the flow guide intermediate layers and the second fiber layer are completely soaked by the liquid resin, and finally the liquid resin is cured and molded to obtain the composite material.
Preferably, the second mold is a flat plate.
Preferably, the second mold is a bending plate.
Preferably, the second mold is a metal plate.
Preferably, the step a further comprises the following steps: and respectively coating a release agent on the opposite surfaces of the first mould and the second mould.
Drawings
FIG. 1 is a perspective cross-sectional view of a preferred embodiment of the composite structure of the present invention.
Fig. 2 is an exploded perspective view of the components of the composite structure of the present invention prior to bonding.
FIG. 3 is a schematic view of the composite structure of the present invention in use during molding.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
[ description of symbols ]
Composite structure 1 first fibre layer 2
The first gap 21 guides the flow of the middle layer 3
First end 31 and second end 32
Channel 33 second fibre layer 4
Second gap 41 first mold 5
Cavity 51 second mould 6
Vacuum plastic film 7 feed end 8
Air suction end 9
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Referring to fig. 1, a composite material structure 1 according to a preferred embodiment of the present invention includes a first fiber layer 2, a flow guiding middle layer 3 and a second fiber layer 4 sequentially overlapped from top to bottom. The first fiber layer 2 and the second fiber layer 4 respectively comprise a plurality of layers of carbon fiber dry cloth which are overlapped up and down, each carbon fiber dry cloth is formed by weaving a plurality of carbon fibers or combining unidirectional fibers, so that the first fiber layer 2 is provided with a plurality of first gaps 21 which are communicated up and down, and the second fiber layer 4 is provided with a plurality of second gaps 41 which are communicated up and down; in practice, the carbon fiber dry cloth may also be made of a plurality of woven or unidirectional glass fibers, Kevlar fibers, Aramid fibers, or Basalt fibers (Basalt fibers). Each of the first gaps 21 and each of the second gaps 41 are filled with cured resin, and the cured resin covers the first fiber layer 2 and the second fiber layer 4, respectively. The flow guide middle layer 3 is made of fiber cloth with a disordered fiber, one transverse side of the flow guide middle layer is used as a first end 31, the other opposite side of the flow guide middle layer is used as a second end 32, the disordered fiber structure of the flow guide middle layer 3 forms a plurality of channels 33, each channel 33 is communicated with the first end 31 and the second end 32, each channel 33 is also communicated with each first gap 21 and each second gap 41, the channels 33 are filled with hardened resin, and the hardened resin coats the flow guide middle layer 3.
Referring to fig. 2 to 4, the method for manufacturing the composite material structure 1 of the present invention mainly includes the following steps:
a. the method comprises the steps of sequentially overlapping and paving a first fiber layer 2, a diversion middle layer 3 and a second fiber layer 4 on the surface of a first mould 5 from top to bottom, adding a second mould 6 above the first fiber layer 2, covering and sealing the periphery of the first mould 5 above the second mould 6 by using a vacuum plastic film 7, and simultaneously enabling a first end 31 of the diversion middle layer 3 to be communicated with a feeding end 8 for resin infusion, and a second end 32 of the diversion middle layer 3 to be communicated with a suction end 9 for air extraction.
b. After the space between the vacuum plastic film 7 and the first mold 5 is vacuumized, liquid resin is made to flow upwards and downwards through the flow guide intermediate layer 3 by using vacuum pressure, and the liquid resin is made to flow from the first end 31 of the flow guide intermediate layer 3 to the second end 32 through the first gaps 21 and the second gaps 41 respectively to soak the first fiber layers 2 and the second fiber layers 4, meanwhile, the liquid resin is made to flow through the plurality of channels 33 from the first end 31 of the flow guide intermediate layer 3 to the second end 32, the feeding end 8 is closed after the first fiber layers 2, the flow guide intermediate layer 3 and the second fiber layers 4 are completely impregnated with the liquid resin, and finally, the liquid resin is made to be cured and molded, so that the vacuum plastic film is obtained.
The first mold 5 of the present embodiment is a master mold, and has a mold cavity 51, a release agent is coated on the surface of the mold cavity 51 of the first mold 5 for demolding, the second mold 6 is a metal bending plate, the lower surface of the metal bending plate 6 corresponds to the surface of the mold cavity 51 of the first mold 5, and the release agent is also coated on the lower surface of the metal bending plate 6. Thus, after the liquid resin is cured and molded, the composite material structure 1 of the invention can be obtained, and the upper surface of the first fiber layer 2 and the lower surface of the second fiber layer 4 can have high-quality surface structures after demoulding. In implementation, the first mold 5 may also be a male mold, and the second mold 6 may be a female mold made of a metal bending plate, so as to obtain the composite material structure 1 of the present invention; in addition, the second mold 6 may be a flat plate, a curved plate, a wavy plate or a bent plate with other shapes, and in terms of material, PE, PP or a plated layer may be a metal plate with a teflon surface, so as to prepare different product housings. The flow guiding middle layer 3 may also be provided as two layers, a fiber board is sandwiched therebetween, and the first ends 31 of the flow guiding middle layers 3 may also be impregnated with resin to prepare the composite material structure 1 of the present invention.
In summary, the present invention provides a composite material structure and a method for making the same, which can be used to make a product housing with high quality on both inner and outer surfaces for special needs, and which has industrial application value.

Claims (7)

1. A composite material structure is characterized by comprising a first fiber layer, at least one flow guide intermediate layer and a second fiber layer which are sequentially overlapped from top to bottom, wherein the first fiber layer is provided with a plurality of first gaps which are communicated up and down, the second fiber layer is provided with a plurality of second gaps which are communicated up and down, and the first gaps and the second gaps are respectively filled with hardened resin, so that the hardened resin respectively coats the first fiber layer and the second fiber layer; each flow guide intermediate layer comprises a transverse first end and a second end opposite to the first end, each flow guide intermediate layer is provided with a plurality of channels communicated with the first end and the second end, each channel is also communicated with each first gap and each second gap, hardened resin is filled in each channel, and each flow guide intermediate layer is coated by the hardened resin.
2. The composite structure of claim 1 wherein said first fibrous layer and said second fibrous layer each comprise a plurality of layers of dry fibrous cloth and said fluid directing interlayer is a random fibrous cloth.
3. A method of making a composite structure according to claim 1 or 2, comprising the steps of:
a. overlapping a first fiber layer, at least one flow guide intermediate layer and a second fiber layer on the surface of a first mold from top to bottom in sequence, adding a second mold above the first fiber layer, and then covering and sealing a vacuum plastic film above the second mold along the periphery of the first mold, wherein each flow guide intermediate layer comprises a transverse first end and a second end opposite to the first end, the first end of each flow guide intermediate layer is communicated with a feeding end to pour resin, and the second end of each flow guide intermediate layer is communicated with a suction end to extract air; and
b. after the space between the vacuum plastic film and the first mold is vacuumized, liquid resin flows upwards and downwards through the flow guide intermediate layers by utilizing vacuum pressure to soak the first fiber layer and the second fiber layer respectively, the liquid resin flows from the first end to the second end, the feeding end is closed after the first fiber layer, the flow guide intermediate layers and the second fiber layer are completely soaked by the liquid resin, and finally the liquid resin is cured and molded to obtain the composite material.
4. A method of making a composite structure according to claim 3, wherein said second mold is a flat plate.
5. A method of making a composite structure according to claim 3, wherein said second mold is a bending plate.
6. A method of making a composite structure according to claim 3, wherein said second mold is a metal plate.
7. A method of making a composite structure according to claim 3, wherein step a further comprises the steps of: and respectively coating a release agent on the opposite surfaces of the first mould and the second mould.
CN202010685212.3A 2020-07-16 2020-07-16 Composite material structure and preparation method thereof Withdrawn CN113942275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010685212.3A CN113942275A (en) 2020-07-16 2020-07-16 Composite material structure and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010685212.3A CN113942275A (en) 2020-07-16 2020-07-16 Composite material structure and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113942275A true CN113942275A (en) 2022-01-18

Family

ID=79326651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010685212.3A Withdrawn CN113942275A (en) 2020-07-16 2020-07-16 Composite material structure and preparation method thereof

Country Status (1)

Country Link
CN (1) CN113942275A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115339163A (en) * 2022-07-28 2022-11-15 广西师范大学 Composite material laminated plate tensile sample considering aging effect and preparation method thereof
CN116021839A (en) * 2023-02-24 2023-04-28 无锡时代智能交通研究院有限公司 Sound absorption and insulation fiber metal corrugated plate and preparation mold and method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102166862A (en) * 2010-12-10 2011-08-31 中国航空工业集团公司北京航空材料研究院 High-performance prefabricated reinforced fabric for facilitating resin flow and a preparation method thereof
CN103358567A (en) * 2012-04-04 2013-10-23 西门子公司 A resin flow member for a vacuum assisted resin transfer moulding process
CN104943200A (en) * 2015-07-02 2015-09-30 东华大学 Liquid molding method of resin-based composite material of interlayer thermoplasticity flow guide net

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102166862A (en) * 2010-12-10 2011-08-31 中国航空工业集团公司北京航空材料研究院 High-performance prefabricated reinforced fabric for facilitating resin flow and a preparation method thereof
CN103358567A (en) * 2012-04-04 2013-10-23 西门子公司 A resin flow member for a vacuum assisted resin transfer moulding process
CN104943200A (en) * 2015-07-02 2015-09-30 东华大学 Liquid molding method of resin-based composite material of interlayer thermoplasticity flow guide net

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115339163A (en) * 2022-07-28 2022-11-15 广西师范大学 Composite material laminated plate tensile sample considering aging effect and preparation method thereof
CN115339163B (en) * 2022-07-28 2023-10-24 广西师范大学 Composite material laminated plate tensile sample considering aging effect and preparation method thereof
CN116021839A (en) * 2023-02-24 2023-04-28 无锡时代智能交通研究院有限公司 Sound absorption and insulation fiber metal corrugated plate and preparation mold and method thereof

Similar Documents

Publication Publication Date Title
US6257858B1 (en) Apparatus for making components of large area by RTM
CN113942275A (en) Composite material structure and preparation method thereof
CN101909863B (en) Method for manufacturing a composite and a wind turbine blade
US20110104432A1 (en) Method and device for moulding a curved part made from composite material and corresponding part
CN110027226B (en) P-RTM (resin transfer molding) forming process for preparing reinforced composite material
RU2009116259A (en) FORMING AND INJECTION DEVICE AND METHOD FOR PRODUCING PREFORMS AND FIBER REINFORCED PLASTICS USING THE FORMING AND INJECTION DEVICE
EP3280586A1 (en) Method for manufacturing fiber-reinforced plastic products
CN103958142B (en) The manufacture method of performing member and the manufacture method of fiber-reinforced plastic formed body
CN102700147B (en) Composite product and manufacturing process thereof
CN102216057A (en) Method for producing a concave-shaped in particular u-shaped piece in a composite material and device for carrying out the same
RU2566774C2 (en) Production of part with hollow core from composite
CN109703057A (en) A kind of composite product autoclave molding technique covering, and preparation method thereof
CN106113531B (en) A kind of anti-roll production technology for sticking up CFRT one-way tape composite sheets
CN104441689A (en) RTM molding process suitable for fiber composite material
KR101447136B1 (en) Method for Forming Fiber Reinforced Plastic Composite
CN110774615B (en) Construction method for vacuum plastic-suction forming of glass fiber reinforced plastic theme prop
CN107696522A (en) A kind of carbon fibre fabric method for forming parts at band R angles
CN112874081A (en) Continuous plant fiber reinforced wood-plastic plate and preparation method thereof
CN107139508A (en) A kind of interlayer composite material moulding process for body of a motor car
TWI732619B (en) Composite material structure and a forming method thereof
EP2809502A2 (en) Device and method for producing a moulded part from a composite material
CN207224630U (en) A kind of composite material storage tank reinforcing rib
CN107090660B (en) A kind of composite material braiding fill method
KR101387394B1 (en) Method for making composite hollow structures and metallic mould the same
CN213533888U (en) Composite material preforming frock

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20220118