CN108001545A - Composite plate and there is its dashboard cross member - Google Patents
Composite plate and there is its dashboard cross member Download PDFInfo
- Publication number
- CN108001545A CN108001545A CN201711131252.8A CN201711131252A CN108001545A CN 108001545 A CN108001545 A CN 108001545A CN 201711131252 A CN201711131252 A CN 201711131252A CN 108001545 A CN108001545 A CN 108001545A
- Authority
- CN
- China
- Prior art keywords
- composite plate
- alloy layer
- high strength
- thickness
- alumin ium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/016—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of aluminium or aluminium alloys
-
- 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
- B32B33/00—Layered 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
-
- 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
- B32B2307/546—Flexural strength; Flexion stiffness
-
- 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
- B32B2605/00—Vehicles
- B32B2605/08—Cars
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of composite plate and there is its dashboard cross member, composite plate includes composite plate body, composite plate body includes tenacity aluminum alloy layer and high strength alumin ium alloy layer, the thickness of high strength alumin ium alloy layer is more than the thickness of tenacity aluminum alloy layer, the bending strength of high strength alumin ium alloy layer is not less than 630Mpa, the elongation percentage of tenacity aluminum alloy layer is not less than 12%, and high strength alumin ium alloy layer is the opposite side of composite plate bending direction with respect to tenacity aluminum alloy layer.Composite plate according to embodiments of the present invention, the density of composite plate body is light, and can bear stronger bending stress, has higher anti-bending strength.
Description
Technical field
The present invention relates to a kind of composite plate, in particular to a kind of composite plate and instrument board for dashboard cross member
Crossbeam.
Background technology
In correlation technique, dashboard cross member generally use steel pipe and the steel plate punched welding of vehicle are made, dashboard cross member
It is overall heavier, complete vehicle weight is added, does not meet the development trend of automotive light weight technology.Meanwhile the intensity deficiency of dashboard cross member,
Easily it is subject to the component compressing flex on dashboard cross member and cracks, influences the service life of dashboard cross member.
In addition, the dashboard cross member of steel easily corrodes when wet environment is when storage in bad working environments and use, instrument is reduced
The integral strength of plate crossbeam.
The content of the invention
It is contemplated that solve at least some of the technical problems in related technologies.For this reason, the present invention
First aspect proposes a kind of composite plate, and the density of the composite plate is smaller and has stronger anti-bending strength.
The second aspect of the present invention proposes a kind of dashboard cross member with above-mentioned composite plate.
The composite plate according to a first aspect of the present invention, including composite plate body, the composite plate body include high-ductility
Aluminium alloy layer and high strength alumin ium alloy layer, the thickness of the high strength alumin ium alloy layer are more than the thickness of the tenacity aluminum alloy layer, institute
The bending strength for stating high strength alumin ium alloy layer is not less than 630Mpa, and the elongation percentage of the tenacity aluminum alloy layer is described not less than 12%
The relatively described tenacity aluminum alloy layer of high strength alumin ium alloy layer is the opposite side of the composite plate bending direction.
The composite plate according to a first aspect of the present invention, the density of the composite plate body is light, and can bear stronger
Bending stress, there is higher anti-bending strength.
The composite plate described according to some embodiments of the invention, the tenacity aluminum alloy layer and the high strength alumin ium alloy layer it
Between be additionally provided with middle aluminum layer.Thus, middle aluminum layer toughness is stronger, when crack occurs in high strength alumin ium alloy layer and to height
During tough aluminium alloy layer extension, middle aluminum layer can hinder crack to be propagated further, and ensure that composite plate will not be integrally broken.
Further, the middle aluminum layer is welded and fixed with the tenacity aluminum alloy layer and the high strength alumin ium alloy layer.
Thus composite plate body has a stronger structural strength, and quality of connection is more between tenacity aluminum alloy layer and high strength alumin ium alloy layer
It is good.
Further, the thickness of the middle aluminum layer is 400-700 μm.Thus, can both crack be hindered to pass through centre
Aluminum layer is propagated further, and reduces the thickness of composite plate entirety, alleviates the weight of composite plate entirety.
The composite plate described according to some embodiments of the invention, the outer surface of the composite plate body are coated with erosion resistant coating.
Thus composite plate is not easy due to failure of getting rusty, and ensures that composite plate integrally has stronger structural strength.
Further, the erosion resistant coating is appearance aluminum layer.Thus composite plate is not easy to fail due to getting rusty, and composite plate
Cost is relatively low, easily fabricated.
Further, the thickness of the appearance aluminum layer is 400-700 μm.Thus composite plate had both been not easy to lose due to getting rusty
Effect, and reduce the thickness of composite plate entirety, alleviate the weight of composite plate entirety.
The composite plate described according to some embodiments of the invention, the thickness of the composite plate is 5-8mm.Thus composite plate had been both
With stronger structural strength, and reduce the thickness of composite plate entirety, alleviate the weight of composite plate entirety.
The composite plate described according to some embodiments of the invention, the thickness of the high strength alumin ium alloy layer are total for the composite plate
The 70-80% of thickness, the thickness of the tenacity aluminum alloy layer are the 20-30% of the composite plate gross thickness.It is possible thereby to ensure
High strength alumin ium alloy layer is thicker with enough bending strengths, while tenacity aluminum alloy layer is relatively thin with good toughness.
The dashboard cross member according to a second aspect of the present invention, equipped with composite plate as described in the first aspect of the invention.
The dashboard cross member according to a second aspect of the present invention, dashboard cross member can both have stronger weight, symbol
The lightweight demand of vehicle is closed, and there is stronger bending resistance, improves the service life of dashboard cross member.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic cross-section of the composite plate of the embodiment of the present invention.
Reference numeral：
Composite plate 100, composite plate body 1, high strength alumin ium alloy layer 11, tenacity aluminum alloy layer 12, middle aluminum layer 13, anti-corrosion
Layer 2.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that the orientation or position of the instruction such as term " thickness ", " on ", " under "
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without referring to
Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot manage
Solve as limitation of the present invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or be electrically connected or can communicate with one another；It can be directly connected, can also be indirectly connected by intermediary, can
To be the interaction relationship of connection inside two elements or two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Below in conjunction with the accompanying drawings and with reference to the specific embodiment description present invention.
The composite plate 100 that Fig. 1 describes the embodiment of the present invention is combined first.
As shown in Figure 1, the composite plate 100 of the embodiment of the present invention can include composite plate body 1, composite plate body 1 can be with
Including tenacity aluminum alloy layer 12 and high strength alumin ium alloy layer 11, tenacity aluminum alloy layer 12 and high strength alumin ium alloy layer 11 can be stacked phase
Even, the thickness of high strength alumin ium alloy layer 11 can be more than the thickness of tenacity aluminum alloy layer 12, it is possible thereby to ensure high strength alumin ium alloy layer
11 is thicker with enough bending strengths, while tenacity aluminum alloy layer 12 is relatively thin with good toughness.
The bending strength of high strength alumin ium alloy layer 11 can be more than or equal to 630Mpa, it is possible thereby to ensure high strength alumin ium alloy
Layer 11 has higher bending strength.The elongation percentage of tenacity aluminum alloy layer 12 can be more than or equal to 12%, it is possible thereby to protect
Card high strength alumin ium alloy layer 11 has preferable toughness.
High strength alumin ium alloy layer 11 can be the opposite side of 100 bending direction of composite plate with respect to tenacity aluminum alloy layer 12.Change
Yan Zhi, when composite plate 100 is bent, it can be that composite plate 100 is curved that high strength alumin ium alloy layer 11, which is located at opposite tenacity aluminum alloy layer 12,
Side opposite Qu Fangxiang, the pulling force that high strength alumin ium alloy layer 11 is subject at this time is maximum, due to 11 bending strength of high strength alumin ium alloy layer
It is higher, composite plate 100 can be hindered to produce crack at high strength alumin ium alloy layer 11.
When composite plate 100 is subject to bending stress excessive, the stress that high strength alumin ium alloy layer 11 is finally subject to is more than bending strength
And when producing crack, crack and then extend to tenacity aluminum alloy layer 12, and the toughness of tenacity aluminum alloy layer 12 is preferable, can hinder
Crack continues to extend in tenacity aluminum alloy layer 12, and then hinders composite plate 100 is overall to be broken by bending.
Composite plate 100 according to embodiments of the present invention, it is multiple by setting high strength alumin ium alloy layer 11 and tenacity aluminum alloy layer 12
100 global density of plywood is smaller, while can hinder crack when being bent with composite plate 100 inside composite plate 100
Generation and propagation, and then hinder composite plate 100 is overall to be broken by bending, composite plate 100 is born stronger
Bending stress, has higher anti-bending strength.
In some optional embodiments of the present invention, as shown in Figure 1, tenacity aluminum alloy layer 12 and high strength alumin ium alloy layer 11
Between be also provided with middle aluminum layer 13.Thus, middle 13 toughness of aluminum layer is stronger, when crack is in high strength alumin ium alloy layer 11
It is middle appearance and to tenacity aluminum alloy layer 12 extend when, middle aluminum layer 13 can hinder crack further to tenacity aluminum alloy layer 12
Propagate, ensureing that composite plate 100 is overall will not be broken.
Further, middle aluminum layer 13 can be welded and fixed with tenacity aluminum alloy layer 12 and high strength alumin ium alloy layer 11.
Thus composite plate body 1 can have stronger structural strength, and relative to tenacity aluminum alloy layer 12 and high strength alumin ium alloy layer 11
Directly weld, middle aluminum layer 13 can strengthen the welding quality of tenacity aluminum alloy layer 12 and high strength alumin ium alloy layer 11.
Further, the thickness of middle aluminum layer 13 can be 400-700 μm.Thus, middle aluminum layer 13 is existing enough
Thickness hinder crack to be propagated further by middle aluminum layer 13, and the overall thickness of composite plate 100 can be reduced, mitigated
The overall weight of composite plate 100.
Alternatively, as shown in Figure 1, the outer surface of composite plate body 1 can be coated with erosion resistant coating 2.Thus composite plate 100 is not
Easily due to failure of getting rusty, ensureing that composite plate 100 is overall has stronger structural strength, improves the service life of composite plate 100.
Further, erosion resistant coating 2 can be appearance aluminum layer.Thus composite plate 100 is not easy to fail due to getting rusty, and compound
The cost of plate 100 is relatively low, and appearance aluminum layer can be directly welded at the outer of high strength alumin ium alloy layer 11 and tenacity aluminum alloy layer 12
Surface, composite plate 100 are easily fabricated.
Further, the thickness of appearance aluminum layer can be 400-700 μm.Thus the existing enough thickness of appearance aluminum layer
Degree hinders composite plate 100 to get rusty failure, and reduces the overall thickness of composite plate 100, alleviates the weight of the entirety of composite plate 100
Amount.
Specifically, the thickness of composite plate 100 can be 5-8mm.Thus composite plate 100 both has stronger structural strength,
Reduce the overall thickness of composite plate 100 again, alleviate the overall weight of composite plate 100.
Composite plate 100 according to some embodiments of the invention, as shown in Figure 1, the thickness of high strength alumin ium alloy layer 11 can be
The 70-80% of 100 gross thickness of composite plate, the thickness of tenacity aluminum alloy layer 12 can be the 20-30% of 100 gross thickness of composite plate.
It is possible thereby to ensure that high strength alumin ium alloy layer 11 is thicker with enough bending strengths, while tenacity aluminum alloy layer 12 is relatively thin with tool
There is good toughness.
The dashboard cross member of the embodiment of the present invention is described below.
The dashboard cross member of the embodiment of the present invention is equipped with such as the composite plate 100 of any of the above-described kind of embodiment of the invention.
Dashboard cross member according to embodiments of the present invention, by setting composite plate 100, dashboard cross member can both have compared with
Strong weight, meets the lightweight demand of vehicle, and has stronger bending resistance, improves the service life of dashboard cross member.
In some specific embodiments, dashboard cross member can include cross-beam body and mounting bracket, and mounting bracket can
With on cross-beam body, cross-beam body can be the device such as metal tube beam, steering column, air bag and the air-conditioning of vehicle
It may be mounted in mounting bracket.
Mounting bracket can include steering column mounting bracket, steering column reinforced support, instrument board framework mounting bracket,
Instrument board framework reinforced support, air conditioner mounting bracket and PAB (Passenger Air Bag, Chinese：Air bag) installation
Stent, mounting bracket can be made of 100 punching press of composite plate.
Since the steering column of vehicle is installed on the top of steering column mounting bracket and steering column reinforced support, vehicle
Instrument board framework be installed on the top of instrument board framework mounting bracket and instrument board framework reinforced support, the air-conditioning installation of vehicle
In the top of air conditioner support, it is subject to the gravity of steering column, instrument board framework and air-conditioning, steering column mounting bracket,
Steering column reinforced support, instrument board framework mounting bracket, instrument board framework reinforced support and air conditioner mounting bracket are turned under
It is bent.
Therefore, to improve anti-bending strength, steering column mounting bracket, steering column reinforced support, instrument board framework are installed
High strength alumin ium alloy layer 11 in stent, instrument board framework reinforced support and air conditioner mounting bracket can be located at tenacity aluminum alloy layer 12
Top.
PAB mounting brackets are oppressed at the same time due to the air bag of vehicle installed in the lower section of PAB mounting brackets to be bent upwards,
To improve anti-bending strength, the high strength alumin ium alloy layer 11 in PAB mounting brackets can be located at the lower section of tenacity aluminum alloy layer 12.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or example described in bright book are engaged and combined.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
- A kind of 1. composite plate, it is characterised in that including：Composite plate body, the composite plate body include：Tenacity aluminum alloy layer and bending strength of the elongation percentage not less than 12% High strength alumin ium alloy layer not less than 630Mpa, the thickness of the high strength alumin ium alloy layer are more than the thickness of the tenacity aluminum alloy layer, The relatively described tenacity aluminum alloy layer of the high strength alumin ium alloy layer is the opposite side of the composite plate bending direction.
- 2. composite plate according to claim 1, it is characterised in that the tenacity aluminum alloy layer and the high strength alumin ium alloy layer Between be additionally provided with middle aluminum layer.
- 3. composite plate according to claim 2, it is characterised in that the middle aluminum layer and the tenacity aluminum alloy layer and The high strength alumin ium alloy layer is welded and fixed.
- 4. composite plate according to claim 2, it is characterised in that the thickness of the middle aluminum layer is 400-700 μm.
- 5. composite plate according to claim 1, it is characterised in that the outer surface of the composite plate body is coated with anti-corrosion Layer.
- 6. composite plate according to claim 5, it is characterised in that the erosion resistant coating is appearance aluminum layer.
- 7. composite plate according to claim 6, it is characterised in that the thickness of the appearance aluminum layer is 400-700 μm.
- 8. composite plate according to claim 1, it is characterised in that the thickness of the composite plate is 5-8mm.
- 9. composite plate according to claim 1, it is characterised in that the thickness of the high strength alumin ium alloy layer is the composite plate The 70-80% of gross thickness, the thickness of the tenacity aluminum alloy layer are the 20-30% of the composite plate gross thickness.
- 10. a kind of dashboard cross member, it is characterised in that including the composite plate according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131252.8A CN108001545A (en) | 2017-11-15 | 2017-11-15 | Composite plate and there is its dashboard cross member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131252.8A CN108001545A (en) | 2017-11-15 | 2017-11-15 | Composite plate and there is its dashboard cross member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108001545A true CN108001545A (en) | 2018-05-08 |
Family
ID=62052440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711131252.8A Pending CN108001545A (en) | 2017-11-15 | 2017-11-15 | Composite plate and there is its dashboard cross member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108001545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092921A (en) * | 2020-09-11 | 2020-12-18 | 东风汽车股份有限公司 | Full-aluminum carriage bottom plate longitudinal and transverse beam connecting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112092921A (en) * | 2020-09-11 | 2020-12-18 | 东风汽车股份有限公司 | Full-aluminum carriage bottom plate longitudinal and transverse beam connecting structure |
| CN112092921B (en) * | 2020-09-11 | 2022-03-18 | 东风汽车股份有限公司 | Full-aluminum carriage bottom plate longitudinal and transverse beam connecting structure |
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Application publication date: 20180508 |