CN114953504A - Bionic composite flute and preparation method thereof - Google Patents
Bionic composite flute and preparation method thereof Download PDFInfo
- Publication number
- CN114953504A CN114953504A CN202210540365.8A CN202210540365A CN114953504A CN 114953504 A CN114953504 A CN 114953504A CN 202210540365 A CN202210540365 A CN 202210540365A CN 114953504 A CN114953504 A CN 114953504A
- Authority
- CN
- China
- Prior art keywords
- flute
- prepreg
- bamboo
- resin
- tuning
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 28
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 26
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 26
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 26
- 241001330002 Bambuseae Species 0.000 claims abstract description 25
- 239000011425 bamboo Substances 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 29
- 229920005989 resin Polymers 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 17
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 15
- 239000004917 carbon fiber Substances 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- -1 polypropylene Polymers 0.000 claims description 14
- 239000002313 adhesive film Substances 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 6
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 4
- 238000005034 decoration Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000006082 mold release agent Substances 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 230000003592 biomimetic effect Effects 0.000 claims 4
- 230000007547 defect Effects 0.000 abstract description 4
- 210000002421 cell wall Anatomy 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 description 4
- 241000209128 Bambusa Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention provides a bionic composite flute and a preparation method thereof. The bionic composite flute is designed by utilizing the designability of the structure and the performance of the composite material to simulate the structure (bamboo fiber structure, bamboo flesh structure, cell wall structure, micro-pore structure and the like) and the performance (density, hardness, modulus and the like) of the optimal bamboo material for manufacturing the flute. The bionic composite flute prepared by the method is expected to make up for the series defects of the traditional bamboo flute, and firstly, the timbre is close to or even better than that of the flute made of the optimal bamboo material, so that the bamboo flute can be accepted by players. Secondly, the tone is sensitive, and the pitch can reach 4 times of high pitch. Third, no tuning is required to be designed. The composite material is not influenced by the change of air temperature, so that the composite material can be designed into a single section and is convenient to play in cooperation with a band. Fourthly, the paint is durable, and can avoid the defects of cracking, mildewing, oxidation, intolerance to high and low temperature and the like. Fifthly, the material has moderate hardness, and can be punched, manually tuned and the like by adopting the traditional bamboo flute manufacturing method.
Description
Technical Field
The invention belongs to a flute manufacturing method, and particularly relates to a bionic composite flute and a manufacturing method thereof.
Background
The traditional Chinese flute is mainly made of bamboos, but has the defects that firstly, bamboo materials suitable for making high-grade bamboo flutes are very scarce; secondly, the bamboo is made of natural materials, the specification is not uniform, and standardization cannot be achieved; thirdly, the bamboo flute is affected by the air temperature, and the pitch needs to be adjusted in a two-section mode, so that the bamboo flute is inconvenient to cooperate with a band; fourthly, the bamboo flute is easy to crack, mildew, oxidize, and not resistant to high and low temperature, etc. Although some researchers developed wooden flutes, plastic flutes, glass fiber reinforced plastic winding flutes, etc., none of them could completely solve the above problems.
Disclosure of Invention
In order to overcome the defects of the existing bamboo flute, the invention provides a bionic composite flute and a preparation method thereof.
The technical scheme adopted by the invention is to simulate the structure (bamboo fiber structure, bamboo pulp structure, cell wall structure, micro-pore structure and the like) and the performance (density, hardness, modulus and the like) of the optimal bamboo material for manufacturing the flute by utilizing the designability of the structure and the performance of the composite material. The prepreg is prepared by adopting fabric prepreg, unidirectional prepreg and low-density adhesive film through the processes of mold design and manufacture, prepreg cutting, prepreg laying, curing, demolding, machining, punching, tuning, decoration and the like.
Preferably, the reinforcement of the fabric prepreg is one or more of carbon fiber cloth, glass fiber cloth, aramid fiber cloth, bamboo fiber cloth, hemp fiber cloth and a plurality of fiber mixed fabrics. The weave is one or more of plain weave, twill weave, satin weave, lightning weave and hexagonal football weave. The matrix is one or a combination of more of epoxy resin, phenolic resin, unsaturated polyester resin, polypropylene and polyethylene terephthalate. The resin content is (30-70)%. The preparation method of the prepreg is a wet-process prepreg technology or a dry-process prepreg technology.
Preferably, the reinforcement of the unidirectional prepreg is one or more combinations of carbon fibers, glass fibers, aramid fibers, bamboo fibers, hemp fibers and hybrid fibers. The matrix is one or a combination of more of epoxy resin, phenolic resin, unsaturated polyester resin, polypropylene and polyethylene terephthalate. The resin content is (25-50)%. The preparation method of the prepreg is a wet-process prepreg technology or a dry-process prepreg technology.
Preferably, the low-density adhesive film is a resin film added with a low-density filler. The preparation method of the adhesive film is a wet coating process or a dry coating process. The resin is one or more of epoxy resin, phenolic resin, unsaturated polyester resin, polypropylene and polyethylene terephthalate. The filler is one or a combination of aerogel, glass beads and phenolic aldehyde beads, and the density is (0.001-0.5)%. The resin content is (10-80)%.
Preferably, the mould is designed and manufactured, and the flute corresponding to each tone is divided into 3 sizes (thinner, medium and thicker), so that a player can conveniently select the flute according to the characteristics of musical compositions and personal playing habits.
Preferably, the layering process is prepared before the layering. Uniformly coating (3-5) layers of mold release agent on the surface of the mold. And secondly, spreading 1 layer of fabric prepreg or unidirectional prepreg with higher resin content. Thirdly, laying layers according to the sequence of the low-density adhesive film, the unidirectional prepreg, … … low-density adhesive film and the unidirectional prepreg until the thickness requirement is met. And fourthly, paving a layer of fabric prepreg with high resin content on the outer surface. Spreading a demolding cloth.
Preferably, the curing process is normal pressure curing, and the maximum forming temperature is (60-200) DEG C.
Preferably, the punching step is to machine the blank holes by mechanical punching according to the approximate positions of the holes (blowing holes, film holes, finger holes, sound output holes, etc.).
Preferably, the tuning process is to finely tune the blank hole, and the tuning process can be performed by using a tuning knife in the same manner as the traditional bamboo flute.
Preferably, the decoration process is to engrave tone marks, name of producer (materials engineer and disc tuner), brand (carbonfluete), kind of patent and number of patent on the surface of the finished product.
Compared with the prior art, the invention has the following beneficial effects:
1. the flute made of the composite material has the tone color similar to or better than that of a flute made of the optimal bamboo material, and can be accepted by players.
2. The flute timbre of the composite material is sensitive, and the pitch can reach 4 treble.
3. The composite flute of the invention does not need to be designed into copper connection and tuning by sections. The composite material is not influenced by the change of air temperature, so that the composite material can be designed into a single section, and is convenient to play in cooperation with a band.
4. The flute made of the composite material is durable, and can avoid cracking, mildew, oxidation, high and low temperature intolerance and the like.
5. The composite flute material has moderate hardness, and can be punched, manually tuned and the like by adopting a traditional bamboo flute manufacturing method.
6. The flute with each tone of the composite flute is divided into 3 sizes (thinner, medium and thicker), so that a player can conveniently select the flute according to the characteristics of musical compositions and personal playing habits.
Drawings
Fig. 1 is a real object diagram of a carbon fiber composite material b-falling flute obtained in example 1 of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In the flute made of the carbon fiber composite material, the preparation raw materials include carbon fiber/epoxy fabric prepreg, carbon fiber/epoxy unidirectional prepreg and a low-density epoxy adhesive film.
Wherein the carbon fiber cloth of the carbon fiber/epoxy fabric prepreg is T300-1K twill cloth, and the resin content is 60%. The carbon fiber of the carbon fiber/epoxy unidirectional prepreg is T700-12K, and the resin content is 33%. The design density of the epoxy glue film is 0.65.
The preparation method of the flute made of the carbon fiber composite material comprises the following specific steps:
1. preparing before layering. Uniformly coating (3-5) layers of mold release agent on the surface of the mold.
2. 1 layer of fabric prepreg or unidirectional prepreg with high resin content is paved. And secondly, sequentially laying the low-density adhesive film, the unidirectional prepreg, … …, the low-density adhesive film and the unidirectional prepreg until the thickness requirement is met. And thirdly, a layer of high-resin-content fabric prepreg is laid on the outer surface. And fourthly, paving and covering the demolding cloth.
2. Molding in an oven at 150 + -5 deg.C for 8 hr, naturally cooling, and demolding at a temperature below 60 deg.C;
3. post-processing, aligning two ends, drawing lines and punching holes;
4. tuning;
5. and (5) decorating to obtain the carbon fiber composite flute.
Claims (10)
1. A bionic composite flute and a preparation method thereof are characterized in that:
the bionic composite flute is prepared from fabric prepreg, unidirectional prepreg and a low-density adhesive film through the processes of mold design and manufacturing, prepreg cutting, prepreg laying, curing, demolding, machining, punching, tuning, decoration and the like.
2. The biomimetic composite flute according to claim 1, wherein:
the reinforcement of the fabric prepreg is one or a combination of carbon fiber cloth, glass fiber cloth, aramid fiber cloth, bamboo fiber cloth, fibrilia cloth and a plurality of fiber mixed fabrics. The weave is one or more of plain weave, twill weave, satin weave, lightning weave and hexagonal football weave. The matrix is one or a combination of more of epoxy resin, phenolic resin, unsaturated polyester resin, polypropylene and polyethylene terephthalate. The resin content is (30-70)%. The preparation method of the prepreg is a wet-process prepreg technology or a dry-process prepreg technology.
3. The biomimetic composite flute according to claim 1, wherein:
the reinforcement of the unidirectional prepreg is one or a combination of carbon fiber, glass fiber, aramid fiber, bamboo fiber, hemp fiber and hybrid fiber. The matrix is one or a combination of more of epoxy resin, phenolic resin, unsaturated polyester resin, polypropylene and polyethylene terephthalate. The resin content is (25-50)%. The preparation method of the prepreg is a wet-process prepreg technology or a dry-process prepreg technology.
4. The biomimetic composite flute according to claim 1, wherein:
the low-density adhesive film is a resin film added with low-density filler. The preparation method of the adhesive film is a wet coating process or a dry coating process. The resin is one or more of epoxy resin, phenolic resin, unsaturated polyester resin, polypropylene and polyethylene terephthalate. The filler is one or a combination of aerogel, glass beads and phenolic aldehyde beads, and the density is (0.001-0.5)%. The resin content is (10-80)%.
5. A method for preparing a bionic composite flute according to any one of claims 1 to 4, wherein the method comprises the following steps:
the mould design and preparation correspond the flute of every tonality and divide into 3 sizes (thinner, medium, thicker), make things convenient for the player to select according to musical composition characteristics and individual playing custom.
6. A method for preparing a bionic composite flute according to any one of claims 1 to 4, wherein the method comprises the following steps:
the layering process is to prepare before layering. Uniformly coating (3-5) layers of mold release agent on the surface of the mold. And secondly, spreading 1 layer of fabric prepreg or unidirectional prepreg with higher resin content. Thirdly, laying the layers according to the sequence of the low-density adhesive film, the unidirectional prepreg, the … … low-density adhesive film and the unidirectional prepreg until the thickness requirement is met. And fourthly, paving a layer of fabric prepreg with high resin content on the outer surface. And covering a release cloth.
7. A method for preparing a flute of biomimetic composite material according to any of claims 1-4, characterized in that:
the curing process is normal pressure curing, and the maximum forming temperature is (60-200) DEG C.
8. A method for preparing a bionic composite flute according to any one of claims 1 to 4, wherein the method comprises the following steps:
in the punching process, blank holes are machined according to the approximate positions of all holes (blowing holes, film holes, finger holes, sound outlet holes and the like) by adopting a mechanical punching mode.
9. A method for preparing a bionic composite flute according to any one of claims 1 to 4, wherein the method comprises the following steps:
and in the tuning process, fine tuning is performed on the basis of the punched blank holes, and tuning can be performed by adopting a tuning knife in the same manner as the traditional bamboo flute.
10. A method for preparing a bionic composite flute according to any one of claims 1 to 4, wherein the method comprises the following steps:
the decoration process is to carve tone marks, names of producers (materials maker and tuning machine), brands (carbon fiber), patent types and patent numbers on the surface of the finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540365.8A CN114953504A (en) | 2022-05-17 | 2022-05-17 | Bionic composite flute and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540365.8A CN114953504A (en) | 2022-05-17 | 2022-05-17 | Bionic composite flute and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114953504A true CN114953504A (en) | 2022-08-30 |
Family
ID=82983633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210540365.8A Pending CN114953504A (en) | 2022-05-17 | 2022-05-17 | Bionic composite flute and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114953504A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02261632A (en) * | 1989-03-28 | 1990-10-24 | Ind Technol Res Inst | Production of new tape rolling type tubular complex material product |
| US4998456A (en) * | 1987-06-08 | 1991-03-12 | Kaehoenen Matti | Body construction of a wind instrument and procedure for producing a wind instrument with said construction |
| US5333527A (en) * | 1991-08-26 | 1994-08-02 | Richard Janes | Compression molded composite guitar soundboard |
| FR2718271A1 (en) * | 1994-03-31 | 1995-10-06 | Rigoutat Fils Sa | Woodwind musical instrument for prodn. of e.g. oboe or clarinet |
| US20040108017A1 (en) * | 2002-07-26 | 2004-06-10 | Hiroyasu Abe | Method for manufacturing wood elements for musical instruments, wood elements for musical instruments obtained thereby, and musical instrument therewith |
| CN2635310Y (en) * | 2003-07-21 | 2004-08-25 | 许雁飞 | Composite pipe material for making bamboo flute, vertical bamboo flute Xiao musical instruments |
| CN102930853A (en) * | 2012-11-09 | 2013-02-13 | 何思源 | Carbon fiber stringed instrument and production method thereof |
| CN103042804A (en) * | 2013-01-17 | 2013-04-17 | 中国人民解放军国防科学技术大学 | Method for preparing composite material honeycomb sandwich pipe |
| CN107032658A (en) * | 2017-06-07 | 2017-08-11 | 国电联合动力技术有限公司 | A kind of carbon fibre composite and preparation method thereof |
| US20170282508A1 (en) * | 2016-04-01 | 2017-10-05 | Tyko Tech. Co., Ltd | Carbon fiber prepreg |
| CN207564998U (en) * | 2017-11-27 | 2018-07-03 | 山东光威碳纤维产业技术研究院有限公司 | Quadrotor all-in-one machine composite thin plate |
| CN111640409A (en) * | 2020-06-16 | 2020-09-08 | 王凯 | Novel flute |
-
2022
- 2022-05-17 CN CN202210540365.8A patent/CN114953504A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4998456A (en) * | 1987-06-08 | 1991-03-12 | Kaehoenen Matti | Body construction of a wind instrument and procedure for producing a wind instrument with said construction |
| JPH02261632A (en) * | 1989-03-28 | 1990-10-24 | Ind Technol Res Inst | Production of new tape rolling type tubular complex material product |
| US5333527A (en) * | 1991-08-26 | 1994-08-02 | Richard Janes | Compression molded composite guitar soundboard |
| FR2718271A1 (en) * | 1994-03-31 | 1995-10-06 | Rigoutat Fils Sa | Woodwind musical instrument for prodn. of e.g. oboe or clarinet |
| US20040108017A1 (en) * | 2002-07-26 | 2004-06-10 | Hiroyasu Abe | Method for manufacturing wood elements for musical instruments, wood elements for musical instruments obtained thereby, and musical instrument therewith |
| CN2635310Y (en) * | 2003-07-21 | 2004-08-25 | 许雁飞 | Composite pipe material for making bamboo flute, vertical bamboo flute Xiao musical instruments |
| CN102930853A (en) * | 2012-11-09 | 2013-02-13 | 何思源 | Carbon fiber stringed instrument and production method thereof |
| CN103042804A (en) * | 2013-01-17 | 2013-04-17 | 中国人民解放军国防科学技术大学 | Method for preparing composite material honeycomb sandwich pipe |
| US20170282508A1 (en) * | 2016-04-01 | 2017-10-05 | Tyko Tech. Co., Ltd | Carbon fiber prepreg |
| CN107032658A (en) * | 2017-06-07 | 2017-08-11 | 国电联合动力技术有限公司 | A kind of carbon fibre composite and preparation method thereof |
| CN207564998U (en) * | 2017-11-27 | 2018-07-03 | 山东光威碳纤维产业技术研究院有限公司 | Quadrotor all-in-one machine composite thin plate |
| CN111640409A (en) * | 2020-06-16 | 2020-09-08 | 王凯 | Novel flute |
Non-Patent Citations (1)
| Title |
|---|
| 吕晓东;苗媛媛;林斌;张元梓;高源;刘乾;刘镇波;: "层数与碳纤维方向对木质-碳纤维复合材料声学振动性能的影响", 林业工程学报, no. 04, pages 93 - 94 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6852386B2 (en) | Composite board with OSB faces | |
| CN103440858B (en) | A kind of method of carbon fiber and glass prepreg produced with combination guitar | |
| EP0830928A3 (en) | Resin composition and mold made from such resin, for forming fibrous material | |
| KR20000023370A (en) | Solid Surfacing Dimensional Laminate, and Methods for Making and Using Same | |
| CN103280210B (en) | A kind of carbon fibre composite makes the method for violin | |
| US2274095A (en) | Resin-bearing molded pulp article | |
| CN108215339A (en) | A kind of high intensity aramid fiber paper honeycomb core and its manufacturing method | |
| CN110259045A (en) | The floor of super scratch resistance lower shrinkage impregnated paper combined oxidation magnesium substrates | |
| CN114953504A (en) | Bionic composite flute and preparation method thereof | |
| CN110900775A (en) | Composite plywood and manufacturing method thereof | |
| CN100494606C (en) | Building shuttering using oriented structure chipboard as substrate material, and its manufacturing method | |
| CN203945446U (en) | A kind of composite board | |
| KR100367706B1 (en) | PVC Flooring Laminated with Wood Sheet Impregnated with Waterproof-Impregnating Resin and the Method for the Manufacturing thereof | |
| CN211201026U (en) | High-dimensional stability composite floor | |
| CN108425476A (en) | A kind of bamboo recombined material-stone plastic composite floor and its manufacturing method | |
| CN208646198U (en) | Bamboo and wood composite plywood | |
| CN1027825C (en) | Reinforced composite fibre form-board and making method thereof | |
| KR100898206B1 (en) | Panel for interior | |
| CN112824072A (en) | Preparation method of salix mongolica board, container bottom board and preparation method of container bottom board | |
| CN108297237B (en) | Novel composite material violin and manufacturing method thereof | |
| EP4338956A1 (en) | Methods of producing laminate boards | |
| CN205073617U (en) | A racket for ball game | |
| CN107283550A (en) | The bamboo and wood recombinant material composite plate and its processing technology of a kind of utilization waste material | |
| CN106564201A (en) | Production and shaping method of glass fiber reinforced polymer having fabric | |
| JP2007528805A (en) | Sandwich panel core |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220830 |