CN110576654A - Be applied to sandwich structure on car collision energy-absorbing box - Google Patents

Be applied to sandwich structure on car collision energy-absorbing box Download PDF

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Publication number
CN110576654A
CN110576654A CN201910831546.4A CN201910831546A CN110576654A CN 110576654 A CN110576654 A CN 110576654A CN 201910831546 A CN201910831546 A CN 201910831546A CN 110576654 A CN110576654 A CN 110576654A
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China
Prior art keywords
composite
octagon
sandwich structure
energy absorption
collision energy
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Granted
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CN201910831546.4A
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Chinese (zh)
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CN110576654B (en
Inventor
熊俊
张勇
黄文臻
林继铭
张锋
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Huaqiao University
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Huaqiao University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56Damping, energy absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00Vehicles
    • B32B2605/08Cars
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

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  • Vibration Dampers (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a sandwich structure applied to an automobile collision energy absorption box, which comprises: the upper composite plate, the composite interlayer and the bottom composite plate are arranged in a stacked mode; the upper-layer composite board comprises composite material fiber cloth and a titanium metal plate which are arranged in a stacked mode; the composite interlayer comprises a calabash pipe thin-wall structure and a garland type honeycomb structure; the bottom layer composite board comprises a titanium metal plate and a porous metal material which are arranged in a stacked mode. The sandwich structure overcomes the problems of high peak stress, low efficiency, heavy weight and the like of the traditional collision energy-absorbing structure, can design the automobile collision energy-absorbing structure with low peak stress, high efficiency and light weight, and achieves the automobile development targets of safety, light weight and environmental protection.

Description

Be applied to sandwich structure on car collision energy-absorbing box
Technical Field
The invention relates to an automobile collision sandwich structure, and belongs to the field of automobile passive safety protection.
Background
With the continuous development of the automobile industry, the automobile industry becomes one of the important post industries of national economy at present, and the automobile keeping quantity in China reaches 2.4 hundred million by 2018. The rapid increase of the number of automobiles brings great convenience to the life of people and also brings more serious safety problems and environmental protection problems. Therefore, improving the safety and environmental protection of automobiles is a common goal in the global automobile industry. When an automobile collides, the thin-wall energy absorption box structure on the automobile beam longitudinal beam absorbs energy generated by collision through plastic deformation generated by crushing, so that the collision energy transmitted to a passenger is reduced to the maximum extent, the purpose of protecting the passenger is achieved, and the automobile collision energy absorption box is very important. At present, most of automobile collision energy absorption boxes are square or round tubular members, the peak stress is high, the specific energy absorption is low, and good safety performance cannot be achieved when an automobile collides. Therefore, the design of the automobile anti-collision thin-wall energy absorption box with low peak stress, high energy absorption ratio and light weight has very important significance.
disclosure of Invention
The invention aims to solve the main problems of high peak stress, low efficiency, heavy mass and the like of the traditional crash energy absorption box, and designs an automobile crash energy absorption box structure with low peak stress, high efficiency and light weight so as to achieve the development targets of safe, light and environment-friendly automobiles.
in order to solve the above problems, the present invention provides a sandwich structure applied to an automobile crash energy-absorbing box, comprising: the upper composite plate, the composite interlayer and the bottom composite plate are arranged in a stacked mode;
The upper-layer composite board comprises composite material fiber cloth and a titanium metal plate which are arranged in a stacked mode; the composite interlayer comprises a calabash pipe thin-wall structure and a garland type honeycomb structure; the bottom layer composite board comprises a titanium metal plate and a porous metal material which are arranged in a stacked mode;
The calabash tube thin-wall structures and the rosette type honeycomb structures form array arrangement, wherein the calabash tube thin-wall structures are positioned at four vertex angles of the array structures, and the rosette type honeycomb structures are positioned at other positions of the array;
The characteristic curve of the thin-wall structure of the gourd pipe is composed of three different sections of sine curves, wherein the three different sections of sine curves are respectively as follows: y is1=2sinx,y2=sinx,the flower ring type honeycomb structure consists of three circles, two sections of circular arcs and an octagon, wherein the two circles are distributed along the vertical symmetry axis of the octagon, and the other circle is arranged at the center of the octagon; two circles distributed along the vertical symmetry axis of the octagon are tangent and are respectively tangent with the upper and lower edges of the octagon; the end points of the two sections of circular arcs are respectively intersected with two circles distributed along the vertical symmetry axis of the octagon, and the two sections of circular arcs are respectively tangent with the left side and the right side of the octagon.
In a preferred embodiment: the composite material fiber cloth is composed of aramid fibers, carbon fibers, glass fibers and metal fibers.
In a preferred embodiment: the aramid fiber, the carbon fiber, the glass fiber and the metal fiber are laminated at angles of 0 degree, 45 degrees, 90 degrees and 135 degrees from top to bottom respectively.
In a preferred embodiment: the titanium metal plate of the bottom composite plate is in contact with the lower surface of the composite interlayer.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention provides a sandwich structure applied to an automobile collision energy absorption box, which adopts titanium metal plates which are arranged at two ends of a composite interlayer, and the titanium metal has high strength performance, so that the generated energy can be effectively and stably transmitted to the composite interlayer when collision occurs, the transmission direction of collision force is effectively prevented from changing suddenly, the energy absorption performance of the composite interlayer is more effectively utilized, and the energy absorption efficiency is improved.
2. the invention provides a sandwich structure applied to an automobile collision energy absorption box, which mainly absorbs energy through a composite interlayer in the middle. The thin-walled structure of the gourd pipe can effectively reduce peak stress, so that the danger faced by passengers in the vehicle when collision occurs is reduced, and the plastic deformation of the structure can be effectively guided by the multi-layer curved surface structure, so that the purpose of efficient energy absorption is achieved. The garland honeycomb structure has higher specific energy absorption, and the side body of curved surface can adapt to the collision condition of multi-angle, and then more effective protection passenger safety.
3. The invention provides a sandwich structure applied to an automobile collision energy absorption box, which is made of composite material fiber cloth, titanium metal, light aluminum alloy and porous metal materials, and the materials have small mass while meeting the safety, meet the design requirement of light weight and accord with the theme of environmental protection.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of an upper composite panel according to the present invention;
FIG. 3 is a schematic top view of an upper composite panel according to the present invention;
FIG. 4 is a schematic view of a composite sandwich structure of the present invention;
FIG. 5 is a schematic view of the construction of an underlying composite panel of the present invention;
FIG. 6 is a schematic diagram of the thin wall structure of the calabash tube of the present invention;
FIG. 7 is a schematic view of a rosette honeycomb of the present invention;
The specific implementation mode is as follows:
The description is further illustrated with reference to specific examples. It should be noted that: the following examples are only for illustrating the present invention and are not intended to limit the technical solutions described in the present invention, and all technical solutions and modifications thereof that do not depart from the scope of the present invention should be included in the claims of the present invention.
the invention provides a sandwich structure applied to an automobile crash energy absorption box, which comprises an upper composite plate 101, a composite interlayer 102 and a bottom composite plate 103 as shown in figure 1.
the upper-layer composite board 101 is shown in fig. 2 and 3 and comprises a composite material fiber cloth 201 and a titanium metal board 202; the composite material fiber cloth 201 is composed of aramid fibers 203, carbon fibers 204, glass fibers 205 and metal fibers 206, has the advantages of high axial strength, light weight, good fatigue, small thermal expansion coefficient and the like, and can improve the crashworthiness of the energy absorption box and the applicability in multiple environments; the titanium metal plate 202 is in contact with the middle composite interlayer 102, the titanium metal is small in density, good in low-temperature performance and high in heat strength, can adapt to collision conditions in severe weather, can well transmit energy generated by collision to the middle composite interlayer due to the large strength of the titanium metal plate, and absorbs more collision energy as much as possible by the middle composite interlayer.
The aramid fiber layer 203, the carbon fiber layer 204, the glass fiber layer 205 and the metal fiber layer 206 are laminated from top to bottom at angles of 0 degrees, 45 degrees, 90 degrees and 135 degrees, and the multi-angle weaving technology can effectively avoid negative effects caused by the defects of various fiber materials, so that the whole composite fiber cloth has ideal performance.
the composite interlayer 102 is shown in fig. 4 and comprises a calabash tube thin-wall structure 301 and a garland type honeycomb structure 302, wherein the calabash tube thin-wall structure 301 is shown in fig. 6, and the garland type honeycomb structure 302 is shown in fig. 7. The gourd pipe thin-wall structures 301 and the flower ring type honeycomb structures 302 form an array arrangement, wherein the gourd pipe thin-wall structures 301 are positioned at four vertex angles of the array structure, and the flower ring type honeycomb structures 302 are positioned at other positions of the array; the characteristic curve of the gourd pipe thin-wall structure 301 is composed of three different sections of sinusoidal curves, wherein the three different sections of sinusoidal curves are respectively as follows: y is1=2sinx,y2=sin x,The reason for adopting three different sections of sine curves is that a multi-layer structure with smooth transition at the joint can be generated, and each layer has similar characteristics, so that the structure is ensured to have very stable performance on the whole, and the whole structure can stably play the role of guiding the honeycomb part in the composite interlayer to deform layer by layer when being collided.
the rosette type honeycomb structure 302 is composed of three circles, two circular arcs and an octagon, wherein the two circles are distributed along the vertical symmetry axis of the octagon, and the other circle is arranged at the center of the octagon; two circles distributed along the vertical symmetry axis of the octagon are tangent and are respectively tangent with the upper and lower edges of the octagon; the end points of the two sections of circular arcs are respectively intersected with two circles distributed along the vertical symmetry axis of the octagon, and the two sections of circular arcs are respectively tangent with the left side and the right side of the octagon.
Although the mechanical property of a single calabash tube thin-wall structure 301 is inferior to that of a honeycomb structure, the gradient multilayer design of the single calabash tube thin-wall structure is more favorable for guiding the structure to perform layer-by-layer compression deformation when the structure is collided, so that the calabash tube thin-wall structure 301 is arranged at four corners of a composite interlayer, the aim of guiding the composite interlayer to perform layer-by-layer compression deformation after the composite interlayer is collided and impacted, and the other positions are filled by a garland type honeycomb structure 302, so that the defect of total energy absorption of the calabash tube thin-wall structure 301 is. The combination of the two can ensure that the sandwich structure can absorb more energy and ensure that the energy absorption efficiency is high enough. The symmetrical sandwich structure can effectively cope with the collision at various angles, the thin-wall structure 301 of the calabash tube can effectively reduce peak stress, the curved side wall of the calabash tube can guide the honeycomb to perform plastic deformation, and further the energy absorption is more efficient, the garland honeycomb structure 302 has higher energy absorption ratio, and can stably and efficiently absorb more collision energy.
As shown in fig. 5, the bottom composite plate 103 is composed of a titanium metal plate 401 and a porous metal material 402, the titanium metal plate 401 is in contact with the middle composite interlayer 102, the higher strength of the titanium metal plate assists the middle composite interlayer 102 to absorb the collision energy more efficiently, the other layer is made of the porous metal material 402, the porous metal material 402 has the characteristics of small specific gravity, rigidity, good specific strength and the like, can assist the middle composite interlayer 102 to absorb the energy, and the characteristic of good shock absorption can improve the stability of the whole sandwich structure.
The sandwich structure is combined by bonding means, and the manufacturing means is simple. The invention adopts light materials such as fiber materials, titanium metals, light aluminum alloys, porous metal materials and the like, effectively meets the requirement of light weight, fully ensures the absorption of collision energy, and simultaneously has enough light weight to effectively reduce the energy consumption of the automobile, thereby reducing the emission pollution and achieving the design requirement of the environment-friendly automobile.
the above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby. Equivalent changes and modifications made according to the patent scope and the specification of the present invention should be covered by the present invention.

Claims (4)

1. the utility model provides a be applied to sandwich structure on car collision energy-absorbing box which characterized in that includes: the upper composite plate, the composite interlayer and the bottom composite plate are arranged in a stacked mode;
the upper-layer composite board comprises composite material fiber cloth and a titanium metal plate which are arranged in a stacked mode; the composite interlayer comprises a calabash pipe thin-wall structure and a garland type honeycomb structure; the bottom layer composite board comprises a titanium metal plate and a porous metal material which are arranged in a stacked mode;
The calabash tube thin-wall structures and the rosette type honeycomb structures form array arrangement, wherein the calabash tube thin-wall structures are positioned at four vertex angles of the array structures, and the rosette type honeycomb structures are positioned at other positions of the array;
The characteristic curve of the thin-wall structure of the gourd pipe is composed of three different sections of sine curves, wherein the three different sections of sine curves are respectively as follows: y is1=2sinx,y2=sinx,the flower ring type honeycomb structure is composed of three circles, two sections of circular arcs and an octagon, wherein the two circlesDistributed along the vertical symmetry axis of the octagon, another circle being arranged at the center of the octagon; two circles distributed along the vertical symmetry axis of the octagon are tangent and are respectively tangent with the upper and lower edges of the octagon; the end points of the two sections of circular arcs are respectively intersected with two circles distributed along the vertical symmetry axis of the octagon, and the two sections of circular arcs are respectively tangent with the left side and the right side of the octagon.
2. The sandwich structure applied to the automobile crash energy absorption box according to claim 1, wherein: the composite material fiber cloth is composed of aramid fibers, carbon fibers, glass fibers and metal fibers.
3. the sandwich structure applied to the automobile crash energy absorption box according to claim 2, wherein: the aramid fiber, the carbon fiber, the glass fiber and the metal fiber are laminated at angles of 0 degree, 45 degrees, 90 degrees and 135 degrees from top to bottom respectively.
4. The sandwich structure applied to the automobile crash energy absorption box according to claim 1, wherein: the titanium metal plate of the bottom composite plate is in contact with the lower surface of the composite interlayer.
CN201910831546.4A 2019-09-04 2019-09-04 Sandwich structure applied to automobile collision energy-absorbing box Active CN110576654B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111619170A (en) * 2020-06-23 2020-09-04 华侨大学 Sandwich structure for passenger car protection structure
CN112081850A (en) * 2020-09-30 2020-12-15 华侨大学 Vibration-damping energy-absorbing composite capsule
CN113007583A (en) * 2021-03-17 2021-06-22 三峡大学 Cellular progressive hierarchical honeycomb sandwich structure
CN112081850B (en) * 2020-09-30 2024-06-07 华侨大学 Vibration-damping and energy-absorbing composite capsule

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0768525A2 (en) * 1995-10-10 1997-04-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude System for monitoring chamber exit gases by means of absorption spectroscopy, and semiconductor processing system incorporating the same
US20020017805A1 (en) * 1998-02-04 2002-02-14 Oakwood Energy Management, Inc. Composite energy absorber
JP2014004973A (en) * 2012-06-27 2014-01-16 Kojima Press Industry Co Ltd Crash box for vehicle and bumper device for vehicle and impact absorption structure for vehicle
CN103754184A (en) * 2014-01-22 2014-04-30 南通南京大学材料工程技术研究院 Automobile anti-collision beam provided with energy absorption buffer layer structure and made of carbon fiber composites
CN104890308A (en) * 2015-06-23 2015-09-09 湖南大学 Sandwich structure and honeycomb structure core
CN106273793A (en) * 2016-08-09 2017-01-04 吕大明 Orthogonal the core of the card metal honeycomb plate
WO2018046762A1 (en) * 2016-09-12 2018-03-15 Johann Kreuter Structural mat and production thereof
CN108773111A (en) * 2018-05-28 2018-11-09 深圳先进技术研究院 Functionally gradient honeycomb sandwich board and its manufacturing method
CN108791113A (en) * 2018-06-14 2018-11-13 吉林大学 Highly integrated all-in-one car ceiling with low peak endergonic structure
CN109094139A (en) * 2018-08-08 2018-12-28 西北工业大学 A kind of new configuration honeycomb sandwich panel
US20190039541A1 (en) * 2017-08-07 2019-02-07 Ford Global Technologies, Llc Cellular structures with eight-sided cells
CN109483981A (en) * 2018-11-22 2019-03-19 华侨大学 A kind of honeycomb sandwich plate of embedded multi-level structure
CN109591743A (en) * 2018-11-22 2019-04-09 华侨大学 A kind of car crass energy-absorption box of efficient stable energy-absorbing
CN210851579U (en) * 2019-09-04 2020-06-26 华侨大学 Sandwich structure applied to automobile collision energy absorption box

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0768525A2 (en) * 1995-10-10 1997-04-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude System for monitoring chamber exit gases by means of absorption spectroscopy, and semiconductor processing system incorporating the same
US20020017805A1 (en) * 1998-02-04 2002-02-14 Oakwood Energy Management, Inc. Composite energy absorber
JP2014004973A (en) * 2012-06-27 2014-01-16 Kojima Press Industry Co Ltd Crash box for vehicle and bumper device for vehicle and impact absorption structure for vehicle
CN103754184A (en) * 2014-01-22 2014-04-30 南通南京大学材料工程技术研究院 Automobile anti-collision beam provided with energy absorption buffer layer structure and made of carbon fiber composites
CN104890308A (en) * 2015-06-23 2015-09-09 湖南大学 Sandwich structure and honeycomb structure core
CN106273793A (en) * 2016-08-09 2017-01-04 吕大明 Orthogonal the core of the card metal honeycomb plate
WO2018046762A1 (en) * 2016-09-12 2018-03-15 Johann Kreuter Structural mat and production thereof
US20190039541A1 (en) * 2017-08-07 2019-02-07 Ford Global Technologies, Llc Cellular structures with eight-sided cells
CN108773111A (en) * 2018-05-28 2018-11-09 深圳先进技术研究院 Functionally gradient honeycomb sandwich board and its manufacturing method
CN108791113A (en) * 2018-06-14 2018-11-13 吉林大学 Highly integrated all-in-one car ceiling with low peak endergonic structure
CN109094139A (en) * 2018-08-08 2018-12-28 西北工业大学 A kind of new configuration honeycomb sandwich panel
CN109483981A (en) * 2018-11-22 2019-03-19 华侨大学 A kind of honeycomb sandwich plate of embedded multi-level structure
CN109591743A (en) * 2018-11-22 2019-04-09 华侨大学 A kind of car crass energy-absorption box of efficient stable energy-absorbing
CN210851579U (en) * 2019-09-04 2020-06-26 华侨大学 Sandwich structure applied to automobile collision energy absorption box

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
冯仁杰,于九明: "蜂窝夹芯复合板及其在汽车工业中的应用", 汽车工艺与材料, no. 08, pages 30 - 32 *
周初阳;潘晋;吴亚锋;许明财;: "防船撞蜂窝式复合材料夹层板的耐撞性研究", 武汉理工大学学报(交通科学与工程版), no. 06, pages 1032 - 1037 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111619170A (en) * 2020-06-23 2020-09-04 华侨大学 Sandwich structure for passenger car protection structure
CN112081850A (en) * 2020-09-30 2020-12-15 华侨大学 Vibration-damping energy-absorbing composite capsule
CN112081850B (en) * 2020-09-30 2024-06-07 华侨大学 Vibration-damping and energy-absorbing composite capsule
CN113007583A (en) * 2021-03-17 2021-06-22 三峡大学 Cellular progressive hierarchical honeycomb sandwich structure

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