CN105690821A - Wet winding forming method for fiber-reinforced resin matrix composite sandwich pipe - Google Patents
Wet winding forming method for fiber-reinforced resin matrix composite sandwich pipe Download PDFInfo
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- CN105690821A CN105690821A CN201610045582.4A CN201610045582A CN105690821A CN 105690821 A CN105690821 A CN 105690821A CN 201610045582 A CN201610045582 A CN 201610045582A CN 105690821 A CN105690821 A CN 105690821A
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- sandwich
- winding
- fiber
- inside panel
- reinforced resin
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- 238000004046 wet winding Methods 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000011347 resin Substances 0.000 title claims abstract description 32
- 229920005989 resin Polymers 0.000 title claims abstract description 32
- 239000011159 matrix material Substances 0.000 title claims abstract description 29
- 239000006260 foam Substances 0.000 claims abstract description 44
- 238000000465 moulding Methods 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 34
- 238000004804 winding Methods 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 25
- 239000003292 glue Substances 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 18
- 238000005516 engineering process Methods 0.000 claims description 16
- 238000007711 solidification Methods 0.000 claims description 14
- 230000008023 solidification Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000012805 post-processing Methods 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 9
- 238000005187 foaming Methods 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000003856 thermoforming Methods 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 239000006261 foam material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 3
- 238000005452 bending Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000009998 heat setting Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a wet winding forming method for a fiber-reinforced resin matrix composite sandwich pipe. According to the wet winding forming method for the fiber-reinforced resin matrix composite sandwich pipe, forming of a honeycomb sandwich structure and forming of a foam sandwich pipe structure are included. The honeycomb sandwich structure has excellent bending stiffness and torsional stiffness, is particularly suitable for main force bearing structural parts in the fields of ocean, aviation, weapons and the like and also suitable for large-span structural parts of which the requirement for the weight is strict. The foam sandwich pipe structure is made of foam materials, accordingly has good properties of heat absorption, sound absorption, shock absorption and the like and is particularly suitable for explosion-proof barrels, engine nacelles and other structural parts with special functional requirements. By means of the wet winding forming method for the fiber-reinforced resin matrix composite sandwich pipe, the problems that an existing sandwich pipe forming process is low in production efficiency, high in cost and the like are solved. The wet winding forming method mainly comprises the steps of mold treatment, inner skin forming, sandwich structural layer forming, outer skin forming, rotating curing, demolding and aftertreatment.
Description
Technical field
The present invention relates to the wet winding technology technique of Composite Sandwich pipe。
Background technology
Composite Sandwich pipe is because having high specific strength, high specific stiffness, and excellent is corrosion-resistant, anti-torsion performance, applies increasingly extensive。But current preparation method many employings hands is stuck with paste or prepreg paving technique, and it is low that preparation technology exists production efficiency, or high in cost of production shortcoming。
Summary of the invention
The present invention is to solve existing Composite Sandwich pipe moulding process cost problem high, inefficient, and then adopt the moulding process of a kind of Wet Winding Process fiber-reinforced resin matrix compound material sandwich tube。
The solution of the present invention is: a kind of wet winding technology method of fiber-reinforced resin matrix compound material sandwich tube, realize according to following steps: 1) die treatment: the mould of forming composite sandwich tube is carried out abatement processes, and is uniformly coated with releasing agent on its surface；2) sandwich material sizing: for hard foam, foaming on the cylindrical die of external diameter 0.5-1mm bigger than inside panel external diameter, or adopt cystosepiment to be first machined into annulus, its internal diameter 0.5-1mm bigger than inside panel external diameter, adopt the mode molding of splicing again, after rigid foam pipe completes, half-and-half cut, and end is carried out chamfered；3) inside panel molding: adopt wet-winding craft, complete the molding of inside panel according to the winding pattern designed in advance, ensures that inside panel surface glue is had more than needed simultaneously；4) two semi-rigid foams are closely covered on inside panel surface by sandwich structure formable layer: after inside panel has been wound around, it is ensured that two halves butt seam is 1-2mm, then fill up structure glue in foam butt seam place；5) exterior skin molding: after structure glue gel, strikes off the structure glue of excess surface, then adopts wet-winding craft, completes the molding of exterior skin according to the winding pattern designed in advance；6) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；7) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material foam sandwich tube。
Above method is for hard foam, and for light foam of can shaping, the present invention also can realize according to the following steps: 1) die treatment: the mould of forming composite sandwich tube is carried out abatement processes, and is uniformly coated with releasing agent on its surface；2) sandwich material sizing: for light foam of can shaping, the column type mould selecting outside dimension 0.5-1mm bigger than inside panel external diameter is shaped, monoblock light foam is closely covered on mould and carries out thermal finalization, heat setting temperature and time are determined by light foam material, shaped rear natural cooling 2～3h, finally its two ends is carried out chamfered；3) inside panel molding: adopt wet-winding craft, complete the molding of inside panel according to the winding pattern designed in advance, ensures that inside panel surface glue is had more than needed simultaneously；4) sandwich structure formable layer: after inside panel has been wound around, stereotyped light foam is enclosed within inside panel from mould side, in order to ensure fitting tightly of foam and inside panel, need foam cutting unnecessary for abutment joint place, butt seam is about 1-2mm,, then fill up structure glue in abutment joint place, and tie tight with shrink belt；5) exterior skin molding: after structure glue gel, the structure glue of excess surface is struck off, then wet-winding craft is adopted, complete the winding of the one layer of hoop layer in foaming structure surface, put in curing oven, rotate and just solidify, be subsequently cooled to room temperature, complete the molding of exterior skin according still further to the winding pattern designed in advance；6) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；7) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material foam sandwich tube。
For cellular material, the present invention can also realize according to the following steps: 1) die treatment: the mould of forming composite sandwich tube is carried out abatement processes, and is uniformly coated with releasing agent on its surface；2) inside panel molding: adopt wet-winding craft, complete the winding of inside panel according to the winding pattern designed in advance, puts into curing oven and rotates solidification, be naturally cooling to less than 60 DEG C after having solidified after being wound around；3) sandwich structure formable layer: mould is pulled out from curing oven, directly internally skin-surface is slightly polished, and sticks 1～2 layer of glued membrane afterwards, then honeycomb is closely covered on inside panel surface, honeycomb lap-joint uses glued membrane bonding, and last vacuum bag pressure carries out thermal finalization。After having shaped, it is naturally cooling to less than 60 DEG C, then honeycomb texture two ends are carried out chamfered；4) exterior skin molding: stick 1～2 layer of glued membrane on honeycomb texture surface, guarantee that resin cannot flow in honeycomb hole, then wet-winding craft is adopted, complete the winding of the one layer of hoop layer in honeycomb texture surface, put in curing oven, rotate and just solidify, be subsequently cooled to room temperature, complete the molding of exterior skin according still further to the winding pattern designed in advance；5) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；6) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material Honeycomb Core Pipe。
Described fortifying fibre is one or more mixing in carbon fiber, glass fibre, aramid fiber。
Described rigid foam is polyurethane foam；Described light foam is PET foam；Described honeycomb is aramid paper honeycomb。
In described sandwich structure layer fixating shape step, thermal finalization is to adopt vacuum bag thermoforming。
Described demoulding post processing adopts Temperature fall 5h。
Described inside panel and exterior skin all contain circumferential winding layer and spiral wound；
During described sandwich structure formable layer, outer surface all needs shrink belt to tie tight。
It is uniformly coated with releasing agent 1～2 time, every minor tick 5～10 minutes at die surface
The method have the advantages that
Composite Sandwich pipe prepared by the present invention is used to have the advantage that cost is low, efficiency is high；Present invention achieves foam sandwich tube Wet Winding Process one-step solidification moulding and Honeycomb Core Pipe wet winding technology technique, substantially increase bulk strength and the rigidity of sandwich tube。
Detailed description of the invention:
Embodiment 1: the fiber-reinforced resin matrix compound material sandwich tube of the present embodiment realizes according to following steps: 1) die treatment: the mould of forming composite sandwich tube is removed greasy dirt, water stain and dust etc. and processes, and it is uniformly coated with releasing agent 1～2 time on its surface, every minor tick 5～10 minutes；2) sandwich material sizing: for hard foam, can on the cylindrical die of external diameter about 0.5-1mm bigger than inside panel external diameter foaming, or employing cystosepiment is first machined into annulus (its internal diameter is bigger 0.5-1mm than inside panel external diameter) and adopts the mode molding of splicing again, after rigid foam pipe completes, need half-and-half to cut, and end is carried out chamfered；3) inside panel molding: adopt wet-winding craft, complete the molding of inside panel according to the winding pattern designed in advance, ensures that inside panel surface glue is had more than needed simultaneously；4) two semi-rigid foams are closely covered on inside panel surface by sandwich structure formable layer: after inside panel has been wound around, it is ensured that two halves butt seam 1-2mm, then fill up structure glue in foam butt seam place, and tie tight with shrink belt；5) exterior skin molding: after structure glue gel, strikes off the structure glue of excess surface, then adopts wet-winding craft, completes the molding of exterior skin according to the winding pattern designed in advance；6) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；7) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material foam sandwich tube。
Embodiment 2: the fiber-reinforced resin matrix compound material sandwich tube of the present embodiment realizes according to following steps: 1) die treatment: the mould of forming composite sandwich tube is removed greasy dirt, water stain and dust etc. and processes, and it is uniformly coated with releasing agent 1～2 time on its surface, every minor tick 5～10 minutes；2) sandwich material sizing: for light foam of can shaping, the column type mould of optional outside dimension about 0.5-1mm bigger than inside panel external diameter is shaped。Closely being covered on mould by monoblock light foam to carry out thermal finalization, heat setting temperature and time is determined by light foam material, and shaped rear natural cooling 2～3h, finally its two ends is carried out chamfered；3) inside panel molding: adopt wet-winding craft, complete the molding of inside panel according to the winding pattern designed in advance, ensures that inside panel surface glue is had more than needed simultaneously；4) sandwich structure formable layer: after inside panel has been wound around, stereotyped light foam is enclosed within inside panel from mould side, in order to ensure fitting tightly of foam and inside panel, need foam cutting (butt seam is about 1-2mm) unnecessary for abutment joint place, then fill up structure glue in abutment joint place, and tie tight with shrink belt；5) exterior skin molding: after structure glue gel, the structure glue of excess surface is struck off, then wet-winding craft is adopted, complete the winding of the one layer of hoop layer in foaming structure surface, put in curing oven, rotate and just solidify, be subsequently cooled to room temperature, complete the molding of exterior skin according still further to the winding pattern designed in advance；6) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；7) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material foam sandwich tube。
Embodiment 3: the fiber-reinforced resin matrix compound material sandwich tube of the present embodiment realizes according to following steps: 1) die treatment: the mould of forming composite sandwich tube is removed greasy dirt, water stain and dust etc. and processes, and it is uniformly coated with releasing agent 1～2 time on its surface, every minor tick 5～10 minutes；2) inside panel molding: adopt wet-winding craft, complete the winding of inside panel according to the winding pattern designed in advance, puts into curing oven and rotates solidification, be naturally cooling to less than 60 DEG C after having solidified after being wound around；3) sandwich structure formable layer: pulled out from curing oven by mould, directly internally skin-surface is slightly polished, and sticks 1～2 layer of glued membrane afterwards, then honeycomb is closely covered on inside panel surface, and honeycomb lap-joint uses glued membrane bonding, finally carries out thermal finalization。After having shaped, it is naturally cooling to less than 60 DEG C, then honeycomb texture two ends are carried out chamfered；4) exterior skin molding: stick 1～2 layer of glued membrane on honeycomb texture surface, guarantee that resin cannot flow in honeycomb hole, then wet-winding craft is adopted, complete the winding of the one layer of hoop layer in honeycomb texture surface, put in curing oven, rotate and just solidify, be subsequently cooled to room temperature, complete the molding of exterior skin according still further to the winding pattern designed in advance；5) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；6) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material Honeycomb Core Pipe。
Embodiment 4: the fortifying fibre that the present embodiment adopts is one or more mixing in glass fibre, carbon fiber, aramid fiber。Adopt such material, the strength and stiffness of sandwich tube can be strengthened and reduce cost。
Other steps characteristic and embodiment 1 or embodiment 2 or embodiment 3 are identical。
Embodiment 5:
The present embodiment processes employing Temperature fall 5h in step after demoulding, adopts such step, can discharge the solidification internal stress of product, improves the structural behaviour of product further。Other steps characteristic and embodiment 1 or embodiment 2 or embodiment 3 are identical。
Embodiment 6:
Thermal finalization in the layer sandwich structure fixating shape step of the present embodiment is to adopt vacuum bag thermoforming。Adopt and can ensure that cellular material is with inside panel laminating closely in such a way。Other steps characteristic is identical with embodiment 3。
Claims (10)
1. the wet winding technology method of a fiber-reinforced resin matrix compound material sandwich tube, it is characterized in that, realize according to following steps: 1) die treatment: the mould of forming composite sandwich tube is carried out abatement processes, and is uniformly coated with releasing agent on its surface；2) sandwich material sizing: for hard foam, foaming on the cylindrical die of external diameter 0.5-1mm bigger than inside panel external diameter, or adopt cystosepiment to be first machined into annulus, its internal diameter 0.5-1mm bigger than inside panel external diameter, adopt the mode molding of splicing again, after rigid foam pipe completes, half-and-half cut, and end is carried out chamfered；3) inside panel molding: adopt wet-winding craft, complete the molding of inside panel according to the winding pattern designed in advance, ensures that inside panel surface glue is had more than needed simultaneously；4) two semi-rigid foams are closely covered on inside panel surface by sandwich structure formable layer: after inside panel has been wound around, it is ensured that two halves butt seam is 1-2mm, then fill up structure glue in foam butt seam place；5) exterior skin molding: after structure glue gel, strikes off the structure glue of excess surface, then adopts wet-winding craft, completes the molding of exterior skin according to the winding pattern designed in advance；6) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；7) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material foam sandwich tube。
2. the wet winding technology method of a fiber-reinforced resin matrix compound material sandwich tube, it is characterized in that, realize according to following steps: 1) die treatment: the mould of forming composite sandwich tube is carried out abatement processes, and is uniformly coated with releasing agent on its surface；2) sandwich material sizing: for light foam of can shaping, the column type mould selecting outside dimension 0.5-1mm bigger than inside panel external diameter is shaped, monoblock light foam is closely covered on mould and carries out thermal finalization, shaped rear natural cooling 2～3h, finally its two ends is carried out chamfered；3) inside panel molding: adopt wet-winding craft, complete the molding of inside panel according to the winding pattern designed in advance, ensures that inside panel surface glue is had more than needed simultaneously；4) sandwich structure formable layer: after inside panel has been wound around, stereotyped light foam is enclosed within inside panel from mould side, in order to ensure fitting tightly of foam and inside panel, need foam cutting unnecessary for abutment joint place, butt seam is about 1-2mm,, then fill up structure glue in abutment joint place；5) exterior skin molding: after structure glue gel, the structure glue of excess surface is struck off, then wet-winding craft is adopted, complete the winding of the one layer of hoop layer in foaming structure surface, put in curing oven, rotate and just solidify, be subsequently cooled to room temperature, complete the molding of exterior skin according still further to the winding pattern designed in advance；6) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；7) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material foam sandwich tube。
3. the wet winding technology method of a fiber-reinforced resin matrix compound material sandwich tube, it is characterized in that, realize according to following steps: 1) die treatment: the mould of forming composite sandwich tube is carried out abatement processes, and is uniformly coated with releasing agent on its surface；2) inside panel molding: adopt wet-winding craft, complete the winding of inside panel according to the winding pattern designed in advance, puts into curing oven and rotates solidification, be naturally cooling to less than 60 DEG C after having solidified after being wound around；3) sandwich structure formable layer: mould is pulled out from curing oven, directly internally skin-surface is slightly polished, stick 1～2 layer of glued membrane afterwards, then honeycomb is closely covered on inside panel surface, honeycomb lap-joint uses glued membrane bonding, finally carries out thermal finalization, after having shaped, it is naturally cooling to less than 60 DEG C, then honeycomb texture two ends are carried out chamfered；4) exterior skin molding: stick 1～2 layer of glued membrane on honeycomb texture surface, guarantee that resin cannot flow in honeycomb hole, then wet-winding craft is adopted, complete the winding of the one layer of hoop layer in honeycomb texture surface, put in curing oven, rotate and just solidify, be subsequently cooled to room temperature, complete the molding of exterior skin according still further to the winding pattern designed in advance；5) rotate solidification: the Composite Sandwich pipe being wound around is put into curing oven, rotate and solidify；6) demoulding post processing: after Composite Sandwich pipe has solidified, is naturally cooling to less than 60 DEG C, takes out the demoulding two end faces of processed, obtains fiber-reinforced resin matrix compound material Honeycomb Core Pipe。
4. the wet winding technology method of fiber-reinforced resin matrix compound material sandwich tube according to claim 1 or 2 or 3, it is characterised in that described fortifying fibre is one or more mixing in carbon fiber, glass fibre, aramid fiber。
5. the wet winding technology method of fiber-reinforced resin matrix compound material sandwich tube according to claim 1 or 2 or 3, it is characterised in that described rigid foam is polyurethane foam, and described light foam is PET foam, and described honeycomb is aramid paper honeycomb。
6. the wet winding technology method of fiber-reinforced resin matrix compound material sandwich tube according to claim 3, it is characterised in that in described sandwich structure layer fixating shape step, thermal finalization is to adopt vacuum bag thermoforming。
7. the wet winding technology method of fiber-reinforced resin matrix compound material sandwich tube according to claim 1 or 2 or 3, it is characterised in that adopt Temperature fall 5h in described demoulding post processing。
8. the wet winding technology method of the fiber-reinforced resin matrix compound material sandwich tube according to claim 1 or 2 or 3, it is characterised in that described inside panel and exterior skin all contain circumferential winding layer and spiral wound。
9. the wet winding technology method of fiber-reinforced resin matrix compound material sandwich tube according to claim 1 and 2, it is characterised in that during described sandwich structure formable layer, outer surface all needs shrink belt to tie tight。
10. the wet winding technology method of the fiber-reinforced resin matrix compound material sandwich tube according to claim 1 or 2 or 3, it is characterised in that be uniformly coated with releasing agent 1～2 time at die surface, every minor tick 5～10 minutes。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045582.4A CN105690821A (en) | 2016-01-21 | 2016-01-21 | Wet winding forming method for fiber-reinforced resin matrix composite sandwich pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045582.4A CN105690821A (en) | 2016-01-21 | 2016-01-21 | Wet winding forming method for fiber-reinforced resin matrix composite sandwich pipe |
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| CN105690821A true CN105690821A (en) | 2016-06-22 |
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Cited By (7)
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| CN106545566A (en) * | 2016-12-15 | 2017-03-29 | 重庆国际复合材料有限公司 | The moulding process of composite material transmission shaft and the composite material transmission shaft |
| CN106626536A (en) * | 2017-01-24 | 2017-05-10 | 中国人民解放军理工大学 | Reinforced composite material foam sandwich cylinder and preparation method thereof |
| CN109469816A (en) * | 2018-12-25 | 2019-03-15 | 北华航天工业学院 | A kind of composite material shell and preparation method thereof |
| CN111267368A (en) * | 2018-12-05 | 2020-06-12 | 湖南易净环保科技有限公司 | Production process for winding, extruding and drawing pipe by large-diameter epoxy glass fiber and braid |
| CN111271527A (en) * | 2020-03-04 | 2020-06-12 | 广东宇顺新材料科技有限公司 | Carbon fiber-PMI composite pipeline and preparation method thereof |
| CN111319312A (en) * | 2020-03-04 | 2020-06-23 | 广东宇顺新材料科技有限公司 | Metal fiber-PMI composite pipeline and preparation method thereof |
| CN115302808A (en) * | 2022-07-28 | 2022-11-08 | 江苏科技大学 | Spiral sandwich composite material pipe and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545566A (en) * | 2016-12-15 | 2017-03-29 | 重庆国际复合材料有限公司 | The moulding process of composite material transmission shaft and the composite material transmission shaft |
| CN106545566B (en) * | 2016-12-15 | 2019-03-15 | 重庆亿煊新材料科技有限公司 | The moulding process of composite material transmission shaft and the composite material transmission shaft |
| CN106626536A (en) * | 2017-01-24 | 2017-05-10 | 中国人民解放军理工大学 | Reinforced composite material foam sandwich cylinder and preparation method thereof |
| CN111267368A (en) * | 2018-12-05 | 2020-06-12 | 湖南易净环保科技有限公司 | Production process for winding, extruding and drawing pipe by large-diameter epoxy glass fiber and braid |
| CN109469816A (en) * | 2018-12-25 | 2019-03-15 | 北华航天工业学院 | A kind of composite material shell and preparation method thereof |
| CN111271527A (en) * | 2020-03-04 | 2020-06-12 | 广东宇顺新材料科技有限公司 | Carbon fiber-PMI composite pipeline and preparation method thereof |
| CN111319312A (en) * | 2020-03-04 | 2020-06-23 | 广东宇顺新材料科技有限公司 | Metal fiber-PMI composite pipeline and preparation method thereof |
| CN115302808A (en) * | 2022-07-28 | 2022-11-08 | 江苏科技大学 | Spiral sandwich composite material pipe and preparation method thereof |
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Application publication date: 20160622 |