CN204773653U - Combined material ribbon, combined material spread layer and combined material - Google Patents
Combined material ribbon, combined material spread layer and combined material Download PDFInfo
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- CN204773653U CN204773653U CN201520434180.4U CN201520434180U CN204773653U CN 204773653 U CN204773653 U CN 204773653U CN 201520434180 U CN201520434180 U CN 201520434180U CN 204773653 U CN204773653 U CN 204773653U
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Abstract
The utility model discloses a combined material ribbon, combined material spread layer and combined material. The combined material ribbon includes multistage fibre section (1), wherein, and each section fibre section (1) head and the tail each other links up, and each section fibre section (1) linking department has contained angle (2), the combined material ribbon is used for constituting combined material spreads the layer. Adopt this kind of structure, change the axle load stability of this combined material ribbon through changing the contained angle between each section fibre section to obtain higher axle load stability combined material ribbon, just the utility model discloses a combined material ribbon processing production is simple.
Description
Technical field
The utility model relates to technical field of composite materials, particularly relates to a kind of composite fiber bar, composite plys and composite.
Background technology
In prior art, composite plys in the composite of a large amount of use both at home and abroad is at present one-way tape or the fabric of fibers straight manufacture, all the stiffness structure such as in face by the composite material laminated board structure of fibers straight Lay up design and production, its rigidity is poor, and the axial compression collapsing load of composite material laminated board is lower.
Therefore, wish a kind of technical scheme to overcome or at least alleviate at least one above-mentioned defect of prior art.
Utility model content
The purpose of this utility model is at least one the above-mentioned defect providing a kind of composite fiber bar to overcome or at least alleviate prior art.
For achieving the above object, the utility model provides a kind of composite fiber bar.Described composite fiber bar comprises multistage segment of fiber, wherein, and each section of mutual tandem array of described segment of fiber, and each section of described segment of fiber joining place has angle, described composite fiber bar is for forming described composite plys.
Preferably, between the joining place of every two segment of fiber be mutually connected, there is superposition section, for connecting the two section fibre sections be mutually connected.
Preferably, the angle number of degrees of described each section fibre section joining place are between 10 degree to 75 degree.
Preferably, described composite fiber comprises three sections of described segment of fiber.
The utility model additionally provides a kind of composite plys, and described composite plys is formed by the braiding of a plurality of composite fiber bar order as above.
Present invention also offers a kind of composite, described composite is made up of the composite plys as above of a plurality of mutual superposition.
Preferably, described composite comprises the ultimate fibre composite plys of a plurality of mutual superposition further, wherein, is provided with composite plys described in one deck between any two-layer ultimate fibre composite plys.
Preferably, described composite plys superposes mutually, forms described composite.
Preferably, be provided with reinforcement between described composite, described reinforcement is for increasing the strength and stiffness of described composite.
Preferably, described reinforcement is two, and arranged in parallel, and the distance between two described reinforcements is b, is provided with one section of described segment of fiber and the segment of fiber that is connected with segment of fiber two ends described in this at least partially between described two described reinforcements; Being of a size of at least partially of any section fibre section in the segment of fiber be connected with segment of fiber two ends described in this: account for 10% to 15% of the distance b between described two described reinforcements.
In composite fiber bar of the present utility model, composite fiber bar comprises multistage segment of fiber, wherein, and the mutual tandem array of each section fibre section, and each section fibre section joining place has angle.
Adopt this structure, changed the Axial Compression Stability of this composite fiber bar by the angle changed between each section fibre section, thus obtain higher Axial Compression Stability composite fiber bar, and composite fiber bar of the present utility model processing is simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of the composite plys according to the utility model one embodiment.
Fig. 2 is the schematic diagram that the elastic modelling quantity of composite of the present utility model according to Fig. 1 changes with the change of width.
Reference numeral:
| 1 | Segment of fiber | 3 | Reinforcement |
| 2 | Angle |
Detailed description of the invention
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Composite fiber bar of the present utility model comprises multistage segment of fiber, wherein, and every section fibre section tandem array, and each section fibre section joining place has angle, composite fiber bar is for forming composite plys.
Adopt this structure, by change each section spacing between angle and change the Axial Compression Stability of this composite fiber bar, thus obtain higher Axial Compression Stability composite fiber bar, and composite fiber bar of the present utility model processing is simple.
Fig. 1 is the structural representation of the composite plys according to the utility model one embodiment.Fig. 2 is the schematic diagram that the elastic modelling quantity of composite of the present utility model according to Fig. 1 changes with the change of width.
Composite fiber bar as shown in Figure 1 comprises three section fibre sections 1, wherein, and mutual tandem array between each section fibre section 1, and each section fibre section 1 joining place has angle 2, this composite fiber bar is for forming described composite plys.
Be understandable that, the quantity of segment of fiber can sets itself as required.Such as, four section fibre sections, five section fibre sections or more.
In the present embodiment, between the joining place of every two segment of fiber 1 be mutually connected, there is superposition section, for connecting the two section fibre sections 1 be mutually connected.Adopt this structure, can make, between above-mentioned segment of fiber, there is good annexation.
See Fig. 1, in the present embodiment, the angle number of degrees of each section fibre section 1 joining place are between 10 degree to 75 degree.Be understandable that, by the in-plane stiffness regulating these number of degrees can regulate this composite plys or composite, thus reach the object of the utility model.
The utility model additionally provides a kind of composite plys, and described composite plys is formed by the braiding of a plurality of composite fiber bar order as above.
In the present embodiment, composite is made up of the composite plys as above of a plurality of mutual superposition.Particularly, in the present embodiment, each above-mentioned composite plys superposes mutually, forms composite.
Be understandable that, in an alternative embodiment, described composite comprises the ultimate fibre composite plys of a plurality of mutual superposition further, wherein, is provided with a plurality of composite plys between any two-layer ultimate fibre composite plys.
See Fig. 1, in the present embodiment, be provided with reinforcement 3 between described composite, reinforcement 3 is for increasing the strength and stiffness of composite.
See Fig. 1, in the present embodiment, reinforcement 3 is two, and arranged in parallel, and the distance between two reinforcements 3 is b, be provided with a section fibre section 1 between two reinforcements 3 and the segment of fiber 1 that is connected with these segment of fiber 1 two ends at least partially; Being of a size of at least partially of any section fibre section 1 in the segment of fiber 1 be connected with these segment of fiber 1 two ends: account for 10% to 15% of the distance b between two reinforcements.In this size range, test proves, its Axial Compression Stability is best.
Do further explaination to the utility model by way of example below, be understandable that, following citing is not formed any restriction of the present utility model.
See Fig. 1 and Fig. 2, this figure be a certain simply supported on four sides flat board face in the schematic diagram that changes with the change of width of elastic modelling quantity.
It is 890mm that this four limits cylinder props up dull and stereotyped length, and wide is 200mm, bears the compressive load of 60KN.The material property of fibers straight material prepreg is: laminate longitudinal modulus E
11=117GPa, laminate transverse modulus E
22=17GPa, laminate is in length and breadth to shear modulus G
12=4.6GPa, laminate Poisson's ratio v
12=0.3, laminate thickness in monolayer t=0.25mm.According to fibers straight one-way tape according to ply stacking-sequence [θ/-θ]
8slaying forms, and its best ply stacking angle is 42.5 °, and its destabilizing factors is 0.869.Record by routine test, do not repeat them here.
According to the composite plys of three section fibre sections in embodiment of the present utility model, according to ply stacking-sequence [θ/-θ]
8slaying forms, and its optimal parameter is θ
1=8.6 °, θ
2=54.1 °, l=25mm, its destabilizing factors is 1.667, and under the prerequisite not increasing construction weight, the axial compression collapsing load of this laminate improves 91.8%.Fig. 2 is seen with the change of width by elastic modelling quantity in the face of the laminate of the variation rigidity composite plys laying of syllogic varied angle fiber, syllogic varied angle fibrous composite laying achieves the change of in-plane stiffness, the local elastic modelling quantity large in load is also large, thus improves the stability of total.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a composite fiber bar, it is characterized in that, described composite fiber bar comprises multistage segment of fiber (1), wherein, each section of described segment of fiber (1) tandem array mutually, and each section of described segment of fiber (1) joining place has angle (2), described composite fiber bar is for forming described composite plys.
2. composite fiber bar as claimed in claim 1, is characterized in that, has superposition section between the joining place of every two segment of fiber (1) be mutually connected, for connecting the two section fibre sections (1) be mutually connected.
3. composite fiber bar as claimed in claim 1, it is characterized in that, the angle number of degrees of described each section fibre section (1) joining place are between 10 degree to 75 degree.
4. as the composite fiber bar in claims 1 to 3 as described in any one, it is characterized in that, described composite fiber comprises three sections of described segment of fiber (1).
5. a composite plys, is characterized in that, described composite plys is formed as the composite fiber bar order in Claims 1-4 as described in any one weaves by a plurality of.
6. a composite, is characterized in that, described composite is made up of the composite plys as claimed in claim 5 of a plurality of mutual superposition.
7. composite as claimed in claim 6, it is characterized in that, described composite comprises the ultimate fibre composite plys of a plurality of mutual superposition further, wherein, is provided with composite plys described in one deck between any two-layer ultimate fibre composite plys.
8. composite as claimed in claim 6, it is characterized in that, described composite plys superposes mutually, forms described composite.
9. as the composite in claim 6 to 8 as described in any one, it is characterized in that, be provided with reinforcement (3) between described composite, described reinforcement (3) is for increasing the strength and stiffness of described composite.
10. composite as claimed in claim 9, it is characterized in that, described reinforcement (3) is two, and it is arranged in parallel, article two, the distance between described reinforcement (3) is b, is provided with one section of described segment of fiber (1) and the segment of fiber (1) that is connected with segment of fiber described in this (1) two ends at least partially between described two described reinforcements (3);
Being of a size of at least partially of any one section fibre section (1) in the segment of fiber (1) be connected with segment of fiber described in this (1) two ends: account for 10% to 15% of the distance b between described two described reinforcements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434180.4U CN204773653U (en) | 2015-06-23 | 2015-06-23 | Combined material ribbon, combined material spread layer and combined material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434180.4U CN204773653U (en) | 2015-06-23 | 2015-06-23 | Combined material ribbon, combined material spread layer and combined material |
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| Publication Number | Publication Date |
|---|---|
| CN204773653U true CN204773653U (en) | 2015-11-18 |
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| CN201520434180.4U Active CN204773653U (en) | 2015-06-23 | 2015-06-23 | Combined material ribbon, combined material spread layer and combined material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104924626A (en) * | 2015-06-23 | 2015-09-23 | 中国航空工业集团公司西安飞机设计研究所 | Composite fiber strip, composite laminate and composite material |
| CN109514754A (en) * | 2018-12-04 | 2019-03-26 | 中国航空工业集团公司西安飞机设计研究所 | A kind of variation rigidity composite plys of continuous fiber |
-
2015
- 2015-06-23 CN CN201520434180.4U patent/CN204773653U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104924626A (en) * | 2015-06-23 | 2015-09-23 | 中国航空工业集团公司西安飞机设计研究所 | Composite fiber strip, composite laminate and composite material |
| CN109514754A (en) * | 2018-12-04 | 2019-03-26 | 中国航空工业集团公司西安飞机设计研究所 | A kind of variation rigidity composite plys of continuous fiber |
| CN109514754B (en) * | 2018-12-04 | 2020-12-29 | 中国航空工业集团公司西安飞机设计研究所 | Continuous fiber's variable rigidity composite material layer |
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