CN106552929A - A kind of preparation method and device and its obtained product of aluminium silicon carbide plate with aluminum post - Google Patents
A kind of preparation method and device and its obtained product of aluminium silicon carbide plate with aluminum post Download PDFInfo
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- CN106552929A CN106552929A CN201510638985.5A CN201510638985A CN106552929A CN 106552929 A CN106552929 A CN 106552929A CN 201510638985 A CN201510638985 A CN 201510638985A CN 106552929 A CN106552929 A CN 106552929A
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- silicon carbide
- aluminum
- aluminium silicon
- carbide plate
- aluminium
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Abstract
The present invention relates to a kind of preparation method of the aluminium silicon carbide plate with aluminum post, further relates to the aluminium silicon carbide plate with aluminum post of the method preparation, and a kind of device for preparing the aluminium silicon carbide plate with aluminum post.Aluminium silicon carbide panel products with aluminum post prepared by the method for the present invention and equipment can improve the adhesion of aluminum post and aluminium silicon carbide plate in the case where the performance parameters such as higher mechanics, density, heat conductivity, thermal coefficient of expansion and aluminum layer thickness are ensured.And methods and apparatus of the present invention need not use high-pressure bottle equipment, device therefor is simple to operation, and molding sand service life was greatly improved compared with the graphite grinding tool life-span, and repeatedly can recycle, and production efficiency is also greatly improved compared with prior art.
Description
Technical field
The present invention relates to a kind of preparation method of the aluminium silicon carbide plate with aluminum post, and the obtained tool of the method
There is the aluminium silicon carbide plate of aluminum post, and for preparing the device of the aluminium silicon carbide plate with aluminum post.
Background technology
The existing aluminium silicon carbide plate with aluminum post is to carry out vacuum pressure by pressure vessel and graphite jig
Being obtained, specific method is for power molding：Aluminium silicon carbide plate is put in graphite jig, then induction coil
Graphite jig is preheated to into 650 DEG C, then the aluminium liquid of fusing is poured in graphite jig, cover bell, it is close
Seal the high-pressure chamber in body of heater and start rapid evacuation, continue heating, when the temperature to 700 DEG C, chamber
In vivo during vacuum≤10Pa, stop evacuation, start high-pressure inert gas are filled with into cavity, wait to reach
To ventilation when (5MPa), is stopped during setup pressure value, after 700 DEG C of insulation 10min, stop heating and open
Begin to cool down, after dropping to room temperature, open cavity, take out product.
Although said method can be obtained the aluminium silicon carbide plate with aluminum post, however, due to making in the method
With graphite as mould, therefore, obtained product not easy mold release causes the graphite jig life-span shorter, into
This is higher, in addition, high pressure and vacuum condition in preparation process, are also needed to, therefore, the method is more complicated.
The most important is that aluminium silicon carbide plate is poor with the adhesion of aluminum post in obtained product.
Therefore, it is badly in need of now one kind and can improves aluminium silicon carbide plate and aluminum post adhesion and simple, cost
The cheap aluminium silicon carbide plate preparation method with aluminum post.
The content of the invention
The invention aims to overcoming, aluminium silicon carbide plate and aluminum post adhesion in prior art be relatively low, system
A kind of more complicated, the relatively costly defect of standby technique, there is provided preparation side of the aluminium silicon carbide plate with aluminum post
Method, and the aluminium silicon carbide plate with aluminum post prepared by the method, and for preparing the aluminum carbon with aluminum post
The device of SiClx plate.
Therefore, to achieve these goals, in a first aspect, a kind of the invention provides aluminum with aluminum post
The preparation method of carborundum plate, the method include：Aluminium casting front is pressed in molding sand, is added by sensing
The aluminium casting is heated to melting by heat, aluminium silicon carbide plate is pressed against on the aluminum of the melting, Ran Houleng
But so that the aluminium silicon carbide plate is combined as a whole with aluminum post, wherein, the aluminium casting front is provided with aluminum
Post.
Second aspect, present invention also offers the aluminium silicon carbide plate with aluminum post prepared by said method.
The third aspect, present invention also offers a kind of dress for preparing the aluminium silicon carbide plate with aluminum post
Put, the device includes：Sand mo(u)ld frame, the molding sand being loaded in the sand mo(u)ld frame and it is arranged on the sand mo(u)ld outer frame
The induction heating apparatus in week.
Aluminium silicon carbide panel products with aluminum post prepared by the method for the present invention and equipment can ensure compared with
In the case of the performance parameters such as high mechanics, density, heat conductivity, thermal coefficient of expansion and aluminum layer thickness
Improve the adhesion of aluminum post and aluminium silicon carbide plate.And methods and apparatus of the present invention need not use high pressure
Tankage, device therefor are simple to operation, and molding sand service life was greatly improved compared with the graphite grinding tool life-span,
And repeatedly can recycle, production efficiency is also greatly improved compared with prior art.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Fig. 1 is the technique and dress that a kind of preferred implementation of the invention prepares the aluminium silicon carbide plate with aluminum post
Put.
Fig. 2 is the technique and device that prior art prepares the aluminium silicon carbide plate with aluminum post.
Description of reference numerals
1 sand mo(u)ld frame, 2 molding sand, 3 induction heating apparatus 4 has 5 aluminum of aluminium casting of aluminum post
8 bell of carborundum plate 6 graphite jig, 7 load coil, 9 body of heater
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that
Specific embodiment described herein is merely to illustrate and explains the present invention, is not limited to this
It is bright.
On the one hand, the invention provides a kind of preparation method of the aluminium silicon carbide plate with aluminum post, the method
Including：Aluminium casting front is pressed in molding sand, the aluminium casting is heated to by melting by sensing heating,
Aluminium silicon carbide plate is pressed against on the aluminum of the melting, then cooling is so that the aluminium silicon carbide plate and aluminum post
It is combined as a whole, wherein, the aluminium casting front is provided with aluminum post.
In the present invention, the aluminium casting with aluminum post can be with the conventional aluminium casting in this area, and for example which can be
The aluminium casting with aluminum post of one-step die casting.
In the present invention, as long as the aluminium casting is heated to melting the aluminum for referring to aluminium casting by sensing heating
Post is melted completely so that the aluminum post of melting hardened with aluminium silicon carbide can be integrated, as aluminium sheet
Melting degree can also be able to be partial melting for all meltings.
In the present invention, molding sand is loaded in the container of various fixations, for example, can be loaded in and add with sensing
In the silica crucible of hot merit energy, or it is loaded in the aloxite frame with induction heating function, preferably fills
It is loaded in the aloxite frame with induction heating function.Wherein, the induction heating function can be added by sensing
Thermal is provided.
According to preparation method of the present invention, it is preferable that the method also includes：Aluminium casting is being pressed into
Before molding sand, by sand compaction.
According to preparation method of the present invention, wherein it is preferred to, the thickness of the aluminium sheet is 5-6mm.
In the present invention, the aluminium casting front with aluminum post is pressed in molding sand, wherein, the depth of the press-in
Degree can be identical with the thickness of aluminium sheet.
According to preparation method of the present invention, wherein, the aluminium silicon carbide plate is the conventional aluminum in this area
Carborundum plate, it is preferable that the thickness of the aluminium silicon carbide plate upper aluminum layer is 110-125 μm such that it is able to
The adhesion of aluminium silicon carbide plate and aluminum post is improved further.
Known in those skilled in the art, the fusing point of aluminum is 660 DEG C.Therefore, by sensing heating by institute
State aluminium casting be heated to melt temperature be more than 660 DEG C.
According to preparation method of the present invention, wherein, as long as the condition of the pressing enables to cooling
Afterwards, the aluminium silicon carbide plate can be combined as a whole with aluminum post, it is, however, preferable that the pressing
Condition include：Pressure is 10-15N, and the time is 1-5min such that it is able to further improve aluminum carbonization
The adhesion of silicon plate and aluminum post.
According to preparation method of the present invention, wherein it is preferred to, the method also includes：Aluminum is carbonized
Silicon plate is first preheated and is pressed against on the aluminum of the melting again.
It is highly preferred that aluminium silicon carbide plate is preheated to 580-650 DEG C such that it is able to further improve aluminum carbon
The adhesion of SiClx plate and aluminum post.
In the preferred embodiment of the present invention, for the ease of operation, the method is as shown in Figure 1
Molding sand shaped device in implement, the molding sand shaped device includes：Sand mo(u)ld frame 1, it is loaded in the sand mo(u)ld frame
In molding sand 2 and be arranged on the induction heating apparatus 3 in sand mo(u)ld outer frame week.Specific implementation process bag
Include：Molding sand is loaded in sand mo(u)ld frame and is compacted, then by the front press-in type of the aluminium casting 4 with aluminum post
5-6mm in sand 2, then by induction heating apparatus 3 by 4 sensing heating of aluminium casting to melting, by preheating
Aluminium silicon carbide plate 5 to 580-650 DEG C is pressed against with the press condition of pressure 10-15N, time 1-5min
On the aluminum of melting, then cooling is so that aluminium silicon carbide plate 5 is combined as a whole with aluminum post.
According to preparation method of the present invention, wherein, the method can also include：After the cooling period, enter
The row demoulding, machining remove deflashing, burr.
Second aspect, present invention also offers the aluminium silicon carbide plate with aluminum post prepared by said method.
In the present invention, the adhesion in the aluminium silicon carbide plate with aluminum post between aluminum post and aluminium silicon carbide plate is
More than 7N, preferably 7.3-8.1N.
The third aspect, present invention also offers a kind of dress for preparing the aluminium silicon carbide plate with aluminum post
Put, the device includes：Sand mo(u)ld frame 1, the molding sand 2 being loaded in the sand mo(u)ld frame and it is arranged on the sand mo(u)ld
The induction heating apparatus 3 in outer frame week.
Wherein, the preferred implementation of the aluminium silicon carbide plate with aluminum post as above institute is prepared using the device
State.
Embodiment
Embodiment 1
The present embodiment is used for the preparation method and device of the aluminium silicon carbide plate with aluminum post for illustrating the present invention
And its obtained product.
As shown in figure 1, molding sand 2 is loaded in sand mo(u)ld frame 1 being compacted, then the aluminum with aluminum post is cast
5.2mm in the front press-in molding sand 2 of part 4, then aluminium casting 4 is sensed by induction heating apparatus 3 plus
Heat will be preheated to 580 DEG C of aluminium silicon carbide plate 5 to melting completely, then (aluminum layer thickness is 110 μm)
Be pressed against on the aluminum of melting with the pressure of 10N and be incubated 5min, stop sensing heating, natural cooling so that
Aluminium silicon carbide plate 5 is combined as a whole with aluminum post, is then taken out the workpiece after cooling, and is used mach side
Method removes deflashing and burr, obtains the aluminium silicon carbide panel products A with aluminum post.
Embodiment 2
The present embodiment is used for the preparation method and device of the aluminium silicon carbide plate with aluminum post for illustrating the present invention
And its obtained product.
As shown in figure 1, molding sand 2 is loaded in sand mo(u)ld frame 1 being compacted, then the aluminum with aluminum post is cast
5.3mm in the front press-in molding sand 2 of part 4, then aluminium casting 4 is sensed by induction heating apparatus 3 plus
Heat will be preheated to 600 DEG C of aluminium silicon carbide plate 5 to melting completely, then (aluminum layer thickness is 120 μm)
Be pressed against on the aluminum of melting with the pressure of 15N and be incubated 1min, stop sensing heating, natural cooling so that
Aluminium silicon carbide plate 5 is combined as a whole with aluminum post, is then taken out the workpiece after cooling, and is used mach side
Method removes deflashing and burr, obtains the aluminium silicon carbide panel products B with aluminum post.
Embodiment 3
The present embodiment is used for the preparation method and device of the aluminium silicon carbide plate with aluminum post for illustrating the present invention
And its obtained product.
As shown in figure 1, molding sand 2 is loaded in sand mo(u)ld frame 1 being compacted, then the aluminum with aluminum post is cast
5.6mm in the front press-in molding sand 2 of part 4, then aluminium casting 4 is sensed by induction heating apparatus 3 plus
Heat will be preheated to 650 DEG C of aluminium silicon carbide plate 5 to melting completely, then (aluminum layer thickness is 125 μm)
Be pressed against on the aluminum of melting with the pressure of 12N and be incubated 2min, stop sensing heating, natural cooling so that
Aluminium silicon carbide plate 5 is combined as a whole with aluminum post, is then taken out the workpiece after cooling, and is used mach side
Method removes deflashing and burr, obtains the aluminium silicon carbide panel products C with aluminum post.
Embodiment 4
The present embodiment is used for the preparation method and device of the aluminium silicon carbide plate with aluminum post for illustrating the present invention
And its obtained product.
Method according to embodiment 1 prepares the aluminium silicon carbide plate with aluminum post, except for the difference that, by embodiment
Aluminium silicon carbide plate in 1 (aluminum layer thickness is 110 μm) replaces with aluminium silicon carbide plate, and (aluminum layer thickness is
107 μm), obtain the aluminium silicon carbide plate D with aluminum post.
Embodiment 5
The present embodiment is used for the preparation method and device of the aluminium silicon carbide plate with aluminum post for illustrating the present invention
And its obtained product.
Method according to embodiment 1 prepares the aluminium silicon carbide plate with aluminum post, except for the difference that, by embodiment
It is pressed against on the aluminum of melting with the pressure of 8N in 1 and is incubated 8min, obtains the aluminium silicon carbide plate with aluminum post
E。
Embodiment 6
The present embodiment is used for the preparation method and device of the aluminium silicon carbide plate with aluminum post for illustrating the present invention
And its obtained product.
Method according to embodiment 1 prepares the aluminium silicon carbide plate with aluminum post, except for the difference that, embodiment 1
In, aluminium silicon carbide plate preheating temperature is 550 DEG C, obtains the aluminium silicon carbide plate F with aluminum post.
Comparative example 1
As shown in Fig. 2 aluminium silicon carbide plate same as Example 1 is put in graphite grinding tool 6, in height
600 DEG C are preheated to by load coil 7 in pressure cavity, aluminium liquid is imported, are continued heating, is covered stove
8 good seal high-pressure chamber of lid simultaneously starts evacuation, treats that temperature reaches 700 DEG C of (and vacuums in cavity
≤ 10Pa), stop evacuation, start high-pressure inert gas are filled with toward in cavity, setup pressure value to be achieved
When (5MPa), stop ventilation, 700 DEG C insulation 10min after, stop heating beginning to cool down, drop to room
Wen Hou, opens cavity according to rule of operation, takes out product H.
Test case
The aluminium silicon carbide plate with aluminum post that embodiment 1-6 and comparative example 1 are obtained is carried out into mechanical property
(bending strength and elastic modelling quantity), density, heat conductivity and thermal coefficient of expansion test, and determine aluminum carbon
The thickness of the front aluminium lamination of SiClx plate, measurement result are shown in Table 1.
The aluminium silicon carbide plate with aluminum post that embodiment 1-6 and comparative example 1 are obtained is combined into power survey
Fixed, measurement result is shown in Table 1.
Wherein, mechanic property test method：YB/T 5349-2006 metal bendings mechanical property test side
Method；
Density measurement method：Drainage is measured；
Determination of conductive coefficients method：ASTM E1461；
Thermal coefficient of expansion method of testing：IPC-TM-650,2,4,24 determines printed board using thermomechanical analysis
With the glass transition temperature and thermal coefficient of expansion of insulating substrate；
Surface aluminum layer thickness testing method：Sampling, is polished to sample section, is clapped with metallurgical microscope
Metallograph is taken the photograph, and aluminum layer thickness is tested using corresponding software；
The assay method of aluminium silicon carbide plate and aluminum intercolumniation adhesion：Sample to be tested is fixed on into omnipotent examination
Test on machine, and pillar root is exerted a force with fixture, when pillar ruptures, record now pulling force size.
Table 1
The aluminum carbon with aluminum post prepared by the method for the present invention and equipment be can be seen that by the data of table 1
SiClx panel products can ensure higher mechanics, density, heat conductivity, thermal coefficient of expansion and aluminium lamination
The adhesion of aluminum post and aluminium silicon carbide plate is improved in the case of the performance parameters such as thickness.
Embodiment 1 is compared with embodiment 4 as can be seen that when the thickness of aluminium silicon carbide plate upper aluminum layer is
110-125 μm such that it is able to further improve the adhesion of aluminium silicon carbide plate and aluminum post.
Embodiment 1 is compared with embodiment 5 as can be seen that when the condition of pressing includes：Pressure is
10-15N, when the time is 1-5min such that it is able to further improve the combination of aluminium silicon carbide plate and aluminum post
Power.
Embodiment 1 is compared to can be seen that with embodiment 6 aluminium silicon carbide plate is preheated to into 580-650 DEG C,
So as to further improve the adhesion of aluminium silicon carbide plate and aluminum post.
Aluminium silicon carbide panel products with aluminum post prepared by the method for the present invention and equipment can ensure compared with
In the case of the performance parameters such as high mechanics, density, heat conductivity, thermal coefficient of expansion and aluminum layer thickness
Improve the adhesion of aluminum post and aluminium silicon carbide plate.And methods and apparatus of the present invention need not use high pressure
Equipment, device therefor are simple to operation, and molding sand service life was greatly improved compared with the graphite grinding tool life-span, production
Efficiency is also greatly improved compared with prior art.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited
Detail in above-mentioned embodiment, in the range of the technology design of the present invention, can be to the present invention
Technical scheme carry out various simple variants, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned specific embodiment is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, the present invention are no longer separately illustrated to various possible compound modes.
Additionally, combination in any between a variety of embodiments of the present invention, can also be carried out, as long as its
Without prejudice to the thought of the present invention, which should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of preparation method of the aluminium silicon carbide plate with aluminum post, it is characterised in that the method includes：
Aluminium casting front is pressed in molding sand, the aluminium casting is heated to by melting by sensing heating, by aluminum carbon
SiClx plate is pressed against on the aluminum of the melting, and then cooling is so that the aluminium silicon carbide plate is combined into aluminum post
Integrally, wherein, the aluminium casting front is provided with aluminum post.
2. method according to claim 1, wherein, the thickness of the aluminium sheet is 5-6mm.
3. method according to claim 1, wherein, the thickness of the aluminium silicon carbide plate upper aluminum layer
For 110-125 μm.
4. method according to claim 1, wherein, the condition of the pressing includes：Pressure is
10-15N, time are 1-5min.
5. method according to claim 1, wherein, the method also includes：By aluminium silicon carbide plate
First preheat and be pressed against on the aluminum of the melting again.
6. method according to claim 5, wherein, aluminium silicon carbide plate is preheated to into 580-650
℃。
7. method according to claim 1, wherein, the method is implemented in molding sand shaped device,
The molding sand shaped device includes：Sand mo(u)ld frame (1), the molding sand (2) being loaded in the sand mo(u)ld frame and set
Put the induction heating apparatus (3) in the sand mo(u)ld outer frame week.
8. the aluminium silicon carbide plate with aluminum post that in claim 1-7 prepared by any one methods described.
9. it is a kind of for prepare with aluminum post aluminium silicon carbide plate device, it is characterised in that the device
Including：Sand mo(u)ld frame (1), the molding sand (2) being loaded in the sand mo(u)ld frame and it is arranged on the sand mo(u)ld outer frame
The induction heating apparatus (3) in week.
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| CN201510638985.5A CN106552929B (en) | 2015-09-30 | 2015-09-30 | The preparation method and device of a kind of aluminium silicon carbide plate with aluminium column and its product obtained |
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| CN201510638985.5A CN106552929B (en) | 2015-09-30 | 2015-09-30 | The preparation method and device of a kind of aluminium silicon carbide plate with aluminium column and its product obtained |
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Cited By (1)
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| CN109253811A (en) * | 2017-07-15 | 2019-01-22 | 浙江新世纪工程检测有限公司 | A kind of device and method thereof that architectural engineering is detected with thermal insulation material |
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