CN110341265A - A kind of energy-absorbing composite material - Google Patents
A kind of energy-absorbing composite material Download PDFInfo
- Publication number
- CN110341265A CN110341265A CN201910619335.4A CN201910619335A CN110341265A CN 110341265 A CN110341265 A CN 110341265A CN 201910619335 A CN201910619335 A CN 201910619335A CN 110341265 A CN110341265 A CN 110341265A
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- China
- Prior art keywords
- composite material
- energy
- fiber cloth
- aryl fiber
- absorbing composite
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Classifications
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- 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
- B29C70/342—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 using isostatic pressure
-
- 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
- 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
- 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
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
Abstract
The present invention relates to fibre reinforced composites field, specifically a kind of energy-absorbing composite material；Energy-absorbing composite material is layer structure；Upper epidermis is aryl fiber cloth；Layer is aryl fiber cloth；Interlayer is glass fabric；Matrix is aromatic resins；Aryl fiber cloth, glass fabric are the two-way fabric of plain weave；Upper epidermis, interlayer, layer volume ratio be 1:2:1；This energy-absorbing composite material energy-absorbing effect is good, cheap, and can promote tensile modulus of elasticity.
Description
Technical field
The present invention relates to fibre reinforced composites field, specifically a kind of energy-absorbing composite material.
Background technique
In recent years, fibre reinforced composites are quickly grown, from aerospace field and electronics industry gradually to each row
Each industry development and application；Fibre reinforced composites have lightweight, and high-strength material property can replace traditional metal materials well
Status in engineering；However, single fibre reinforced composites also have certain limitation, such as carbon fibre fabric tool
There is very strong tensile property, but elongation at break is lower, shear strength is low, is not very useful in by curved member in shear；
Aramid fiber toughness is extremely strong, but rigidity is too low, and expensive；For this purpose, the research and development of assorted fibre are multiple at current fiber reinforcement
The research hotspot of condensation material；Researcher's door discovery, enhances basis material after different fibrous materials is mixed, can highlight different fibres
Respective superiority is tieed up, stronger comprehensive performance is obtained；In research followed by, researchers are by changing different preparation works
Skill, different fiber types, different matrix resins have studied the superiority and inferiority of the properties of assorted fibre under different arrangement modes
Property, it proposes and mixes law theory, analyze its damage and failure mode, pushed the application of assorted fibre；The two-way fiber of plain weave
Fabric is widely used reinforcing fiber in recent years, and compared to the fabric unidirectionally arranged, intensity is slightly reduced, but greatly enhances
Mechanical property in vertical direction, researchers are to the research of such hybrid materials less.
To sum up, it since aramid fiber energy-absorbing effect is good, but involves great expense, it is good how to develop energy-absorbing effect, price
Cheaply, and the fibrous composite of tensile modulus of elasticity can be promoted become that our company researcher is urgently to be solved to ask body.
Summary of the invention
The technical problem to be solved by the present invention is it is good how to develop energy-absorbing effect, it is cheap, and drawing can be promoted
Stretch the fibrous composite of elasticity modulus.
In order to achieve the above object, the invention is realized by the following technical scheme:
The present invention is a kind of energy-absorbing composite material, and energy-absorbing composite material is layer structure；Upper epidermis is aryl fiber cloth；Following table
Layer is aryl fiber cloth；Interlayer is glass fabric；Matrix is aromatic resins；Aryl fiber cloth, glass fabric are flat
The two-way fabric of line；
Further, the gram weight (g/m2) of aryl fiber cloth is 200, and thickness (mm) is 0.28；The glass fabric
Gram weight (g/m2) is 120, and thickness (mm) is 0.32.
Beneficial effects of the present invention: the present invention is a kind of energy-absorbing composite material, passes through aryl fiber cloth and glass fabric
Mix, can either effectively promote the energy-absorbing of composite material, and can promote tensile modulus of elasticity, and the cost expense that degraded
With.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of production method of the present invention；
Fig. 3 is the load-displacement experimental data curve of five embodiments of the invention；
1- aryl fiber cloth, 2- glass fabric, 3- fiber hybrid composite material, 4- vacuum bag, 5- diversion pipe, 6- demoulding
Cloth, 7- soak drift net, the first conduit of 8-, 9- aspiration pump, the second conduit of 10-, 11- aryl fiber cloth.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
Such as Fig. 1, the present invention is a kind of energy-absorbing composite material, and upper epidermis takes two layers of aryl fiber cloth 1, layer to take two layers of virtue
Synthetic fibre fiber cloth 1, interlayer are four-layer glass fiber cloth 2；
S1: aryl fiber cloth, glass fabric are neatly stacked into pressing in order, and are put into vacuum bag 4；
S2: fixing a circle diversion pipe 5 in aryl fiber cloth, glass fabric periphery, by release cloth 6 and soaks drift net 7 successively
It is laid on fiber hybrid composite material 3, finally seals up vacuum bag 4；
S3: one end of the first conduit 8 being inserted into vacuum bag 4, and is adhesively fixed with glass cement, the other end and aspiration pump 9
It is connected, for evacuating air in vacuum bag 4；
S4: one end of the second conduit 10 is connected and is fixed with diversion pipe 5, the other end imports the aromatic resins now adjusted；
S5: preparation process lasts about 30 minutes, to the complete heat release of resin after, pull out the first conduit 8, it is cooling under room temperature
After 2 hours, fiber hybrid composite material is made in stripping forming.
Size of materialsing is 25x250mm2, using universal testing machine carry out uniaxial tensile test, acceleration 2mm/min,
The data obtained is exported by the system that testing machine carries；Measuring tensile modulus of elasticity (GPa) is 14.032.
Comparative example 2
Embodiment 2 is eight layers of glass fabric；
Glass fabric: neatly being stacked pressing by S1 in order, and is put into vacuum bag 4；
S2: fixing a circle diversion pipe 5 in glass fabric periphery, and release cloth 6 and leaching drift net 7 are successively laid on fiber and are mixed
On miscellaneous composite material 3, vacuum bag 4 is finally sealed up；
S3: one end of the first conduit 8 being inserted into vacuum bag 4, and is adhesively fixed with glass cement, the other end and aspiration pump 9
It is connected, for evacuating air in vacuum bag 4；
S4: one end of the second conduit 10 is connected and is fixed with diversion pipe 5, the other end imports the aromatic resins now adjusted；
S5: preparation process lasts about 30 minutes, to the complete heat release of resin after, pull out the first conduit 8, it is cooling under room temperature
After 2 hours, fiber hybrid composite material is made in stripping forming.
Size of materialsing is 25x250mm2, using universal testing machine carry out uniaxial tensile test, acceleration 2mm/min,
The data obtained is exported by the system that testing machine carries；Measuring tensile modulus of elasticity (GPa) is 15.264.
Comparative example 3
Embodiment 3 is eight layers of aryl fiber cloth；
Aryl fiber cloth: neatly being stacked pressing by S1 in order, and is put into vacuum bag 4；
S2: fixing a circle diversion pipe 5 in aryl fiber cloth periphery, and release cloth 6 and leaching drift net 7 are successively laid on fiber and are mixed
On miscellaneous composite material 3, vacuum bag 4 is finally sealed up；
S3: one end of the first conduit 8 being inserted into vacuum bag 4, and is adhesively fixed with glass cement, the other end and aspiration pump 9
It is connected, for evacuating air in vacuum bag 4；
S4: one end of the second conduit 10 is connected and is fixed with diversion pipe 5, the other end imports the aromatic resins now adjusted；
S5: preparation process lasts about 30 minutes, to the complete heat release of resin after, pull out the first conduit 8, it is cooling under room temperature
After 2 hours, fiber hybrid composite material is made in stripping forming.
Size of materialsing is 25x250mm2, using universal testing machine carry out uniaxial tensile test, acceleration 2mm/min,
The data obtained is exported by the system that testing machine carries；Measuring tensile modulus of elasticity (GPa) is 12.871.
Comparative example 4
Embodiment 4 is that upper epidermis takes layer glass fiber cloth, layer to take layer glass fiber cloth, and interlayer is four layers of aramid fiber
Fiber cloth；S1: aryl fiber cloth, glass fabric are neatly stacked into pressing in order, and are put into vacuum bag 4；
S2: fixing a circle diversion pipe 5 in aryl fiber cloth, glass fabric periphery, by release cloth 6 and soaks drift net 7 successively
It is laid on fiber hybrid composite material 3, finally seals up vacuum bag 4；
S3: one end of the first conduit 8 being inserted into vacuum bag 4, and is adhesively fixed with glass cement, the other end and aspiration pump 9
It is connected, for evacuating air in vacuum bag 4；
S4: one end of the second conduit 10 is connected and is fixed with diversion pipe 5, the other end imports the aromatic resins now adjusted；
S5: preparation process lasts about 30 minutes, to the complete heat release of resin after, pull out the first conduit 8, it is cooling under room temperature
After 2 hours, fiber hybrid composite material is made in stripping forming.
Size of materialsing is 25x250mm2, using universal testing machine carry out uniaxial tensile test, acceleration 2mm/min,
The data obtained is exported by the system that testing machine carries；Measuring tensile modulus of elasticity (GPa) is 13.331.
Comparative example 5
Embodiment 5 is four-layer glass fiber cloth, four layers of aryl fiber cloth are staggered；
S1: aryl fiber cloth, glass fabric are neatly stacked into pressing in order, and are put into vacuum bag 4；
S2: fixing a circle diversion pipe 5 in aryl fiber cloth, glass fabric periphery, by release cloth 6 and soaks drift net 7 successively
It is laid on fiber hybrid composite material 3, finally seals up vacuum bag 4；
S3: one end of the first conduit 8 being inserted into vacuum bag 4, and is adhesively fixed with glass cement, the other end and aspiration pump 9
It is connected, for evacuating air in vacuum bag 4；
S4: one end of the second conduit 10 is connected and is fixed with diversion pipe 5, the other end imports the aromatic resins now adjusted；
S5: preparation process lasts about 30 minutes, to the complete heat release of resin after, pull out the first conduit 8, it is cooling under room temperature
After 2 hours, fiber hybrid composite material is made in stripping forming.
Size of materialsing is 25x250mm2, using universal testing machine carry out uniaxial tensile test, acceleration 2mm/min,
The data obtained is exported by the system that testing machine carries；Measuring tensile modulus of elasticity (GPa) is 18.807.
As shown in figure 3, the load-displacement curve of above-mentioned five embodiments of observation, eight layers of aryl fiber cloth envelope of curve
Area is bigger, and energy-absorbing effect is best；It secondly is embodiment 1.
To sum up, upper epidermis takes two layers of aryl fiber cloth, layer to take two layers of aryl fiber cloth, and interlayer is four-layer glass fiber
The energy-absorbing effect of cloth is preferable, and low cost, and tensile modulus of elasticity is also strengthened.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (2)
1. a kind of energy-absorbing composite material, it is characterised in that: the energy-absorbing composite material is layer structure；
Upper epidermis is aryl fiber cloth；
Layer is aryl fiber cloth；
Interlayer is glass fabric；
Matrix is aromatic resins；
The aryl fiber cloth, glass fabric are the two-way fabric of plain weave；
The upper epidermis, interlayer, layer volume ratio be 1:2:1.
2. a kind of energy-absorbing composite material according to claim 1, it is characterised in that: the gram weight of the aryl fiber cloth
It (g/m2) is 200, thickness (mm) is 0.28；The gram weight (g/m2) of the glass fabric is 120, and thickness (mm) is 0.32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619335.4A CN110341265A (en) | 2019-07-10 | 2019-07-10 | A kind of energy-absorbing composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619335.4A CN110341265A (en) | 2019-07-10 | 2019-07-10 | A kind of energy-absorbing composite material |
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| CN110341265A true CN110341265A (en) | 2019-10-18 |
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| CN201910619335.4A Pending CN110341265A (en) | 2019-07-10 | 2019-07-10 | A kind of energy-absorbing composite material |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661183A (en) * | 2013-12-12 | 2014-03-26 | 东华大学 | Hybrid composite energy absorbing part for automobile and manufacturing method thereof |
| CN207156605U (en) * | 2017-05-27 | 2018-03-30 | 咸宁海威复合材料制品有限公司 | A kind of warship lightweight armor composite fibre hybrid structure |
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2019
- 2019-07-10 CN CN201910619335.4A patent/CN110341265A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661183A (en) * | 2013-12-12 | 2014-03-26 | 东华大学 | Hybrid composite energy absorbing part for automobile and manufacturing method thereof |
| CN207156605U (en) * | 2017-05-27 | 2018-03-30 | 咸宁海威复合材料制品有限公司 | A kind of warship lightweight armor composite fibre hybrid structure |
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Application publication date: 20191018 |
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