CN102555324A - High-radiation film type metal compound material and manufacturing method thereof - Google Patents
High-radiation film type metal compound material and manufacturing method thereof Download PDFInfo
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- CN102555324A CN102555324A CN2010106184871A CN201010618487A CN102555324A CN 102555324 A CN102555324 A CN 102555324A CN 2010106184871 A CN2010106184871 A CN 2010106184871A CN 201010618487 A CN201010618487 A CN 201010618487A CN 102555324 A CN102555324 A CN 102555324A
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Abstract
The invention provides a high-radiation film type metal compound material and a manufacturing method thereof and belongs to the technical field of a high-radiation material. The compound material comprises three parts, namely metal layers, high-radiation film layers and a metal frame, wherein the high-radiation film layers are overlapped with the metal layers and the metal frame is used for cladding the edges of the metal layers and the edges of the high-radiation film layers. The manufacturing method comprises the following steps: firstly, respectively preparing the metal layers and the high-radiation film layers; interactively overlapping the metal layers and the high-radiation film layers till forming overlapping structures with required layer number; utilizing the metal frame to fix the overlapping structures of the metal layers and the high-radiation film layers; heating, thereby melting the contacting metal between the overlapping structures of the metal layers and the high-radiation film layers and between the metal frame and the overlapping structures; and reducing temperature, cooling and solidifying, thereby realizing the integral adhering forming. The structure of overlapped metal layers is adopted and the metal frame is used for cladding and fixing, so that the hardness of a high-radiation film is increased.
Description
Technical field
High heat sink material technical field.
Background technology
Numerous areas such as electronic product, machinery, electric power, communication, chemical industry in the process of the processing of product, production, and in the process of using, all can produce the different heat of quantity.And, if the heat that is produced can not effectively be distributed, then can all might impact the processing and the use of product.
Be widely used at present various heat sink materials are arranged.Dissimilar heat sink materials can have different performances.Such as the heat conductivility of metal material is good, wherein a part of metal material particularly, and like copper, aluminium, silver etc., its heat conductivility is especially good.Such as, the radiator of copper radiator, aluminium matter is all used very general.
Enumerate the thermal conductivity performance of some heat sink materials commonly used below:
Aluminium: 237W/mK; Copper: 401W/mK;
Silver: 420W/mK; Gold: 318W/mK.
Because price factor, most radiators of current use adopt copper material or aluminum material to make; But some special places are arranged, also use silver or golden material, come as heat sink material.The shape of radiator and structure, size etc. have difference mutually based on different application scenarios.Such as, various CUP go up the radiator that uses, and the radiator that uses on the circuit board, are the radiating element with waveform heat radiation groove mostly.
And in the present invention, can be applied to membrane material with high heat dispersion.
Wherein, utilize the height heat radiation graphite film of carbon component made, have very high heat-sinking capability, can reach: 1500～1750W/mK.
And, then having more powerful heat-sinking capability at present as the grapheme material of research focus, its thermal conductivity is about 5000W/mK.
The membrane material of high rate of heat dissipation like this is the radiating equipment in the various products, and new selection is provided.
Existing high heat radiation graphite film and graphene film thickness as thin as a wafer, and hardness is lower, and is though heat dispersion is excellent, comparatively inconvenient in the use.
The present invention hopes for addressing this problem a kind of scheme that provides.
Summary of the invention
The object of the present invention is to provide a kind of high heat radiation membranous type metallic composite, the stepped construction that this composite is arranged alternately and formed with high heat dissipation film through the metallic object layer, the hardness of the high heat radiation of raising diaphragm.
A kind of high heat radiation membranous type metallic composite of the present invention; The height heat radiation rete that includes the metallic object layer and put with its overlapping; Wherein the metallic object layer includes three layers at least altogether with high heat radiation rete, and also comprises metal edge frame three parts in order to clad metal body layer edge and high heat dissipation film edge.
Preferably, described high heat dissipation film is height heat radiation graphite film and graphene film one of which.
Preferably, described high heat radiation graphite film, thickness is between the 1-300 micron.
Preferably, described metallic object layer is one of which in metallic plate, metal film or the wire netting.
Preferably, described high heat dissipation film is arranged with the form of interaction cascading with the metallic object layer, forms stepped construction.
Preferably, described metal edge frame wraps the adjacent both sides of high heat dissipation film and the interactive stepped construction of metallic object at least, is " L " type, " U " type or the three of encirclement type full one of which.
Preferably, said metallic object layer and metal edge frame material are copper, aluminium, silver or golden four one of which.
Accordingly, the present invention also provides a kind of manufacturing approach of high heat radiation membranous type metallic composite, includes following steps:
Step 1 prepares metallic object layer and high heat radiation rete respectively;
Step 2 stacks metallic object layer and the high heat radiation rete form with interaction cascading, until the stepped construction of accomplishing the required number of plies;
Step 3 is fixed the stepped construction of metallic object layer and high heat radiation rete with metal edge frame;
Step 4, heating make between the stepped construction of metallic object layer and high heat radiation rete and metal edge frame with contacted metal melting between the stepped construction;
Step 5, cooling cooling makes the metal freezing that is in molten state, with the stepped construction of metallic object layer and high heat radiation rete and metal edge frame with being adhered fixed between the stepped construction.
Preferably, described high heat dissipation film is height heat radiation graphite film and graphene film one of which.
Description of drawings
Fig. 1-1 is respectively the structural representation of two kinds of different laminated of said high heat radiation membranous type metallic composite stepped construction with Fig. 1-2.
Fig. 2 is a high heat radiation membranous type metallic composite finished product sketch map of the present invention.
Fig. 3 is preparation method's flow chart of high heat radiation membranous type metallic composite according to the invention.
The specific embodiment
With reference to the accompanying drawings, in conjunction with specific embodiments the present invention is made further description.
Fig. 1-1 is respectively the structural representation of two kinds of different laminated of said high heat radiation membranous type metallic composite stepped construction with Fig. 1-2.A kind of high heat radiation membranous type metallic composite of the present invention, the height heat radiation rete that includes the metallic object layer and put with its overlapping, wherein the metallic object layer includes three layers at least altogether with high heat radiation rete.
Shown in Fig. 1-1, this stepped construction metallic object layer includes three layers altogether with high heat radiation rete.And be substrate with metallic object layer 110, high heat radiation rete 120 is between double layer of metal body layer 100.
Accordingly, can metallic object layer 110 be continued overlapping with high heat radiation rete 120 arrange as required in the practical application until reaching the required number of plies.
Fig. 1-2 has showed another kind of overlapped way, and this stepped construction metallic object layer includes three layers altogether with high heat radiation rete.With height heat radiation rete 120 is substrate, and metallic object layer 110 is between two floor height heat dissipation film layers 120.
Accordingly, can metallic object layer 110 be continued overlapping with high heat radiation rete 120 arrange as required in the practical application until reaching the required number of plies.
Fig. 2 is a high heat radiation membranous type metallic composite finished product sketch map of the present invention.
Adopted stepped construction mode shown in Fig. 1-1 in the present embodiment, wherein the metallic object layer includes three layers altogether with high heat radiation rete.And adopt full encirclement type metal edge frame.
Can be found out that by Fig. 2 this stepped construction is substrate with metallic object layer 110, high heat radiation rete 120 is between double layer of metal body layer 100.Full encirclement type metal edge frame 130 wraps overlapping placed metal body layer 110 and high heat radiation rete 120 stepped constructions.
Fig. 3 is preparation method's flow chart of high heat radiation membranous type metallic composite according to the invention.
Description and specific embodiment below in conjunction with the front are elaborated to it respectively.
Step 1 prepares metallic object layer and high heat radiation rete respectively.
Described high heat radiation rete 120 is high heat radiation graphite film and graphene film one of which; Adopt the height heat radiation graphite film that utilizes the carbon component made in the present embodiment; Have very high heat-sinking capability, its thermal conductivity can reach: 1500～1750W/mK, thickness is between the 1-300 micron.
Said metallic object layer 110 material are copper, aluminium, silver or golden four one of which.Select metallic aluminium processing raw material in the present embodiment for use as the metallic object layer.
Step 2 stacks metallic object layer and the high heat radiation rete form with interaction cascading, until the stepped construction of accomplishing the required number of plies.
According to the stepped construction mode of selecting for use, metallic object layer 110 and high heat radiation rete 120 form with interaction cascading is stacked.If select mode shown in Fig. 1-1 for use, be substrate promptly with metallic object layer 110, stack high heat radiation rete 120 above that, stack metallic object layer 110 again, so repeat, until accomplishing the required number of plies of practical application.If select mode shown in Fig. 1-2 for use, be substrate promptly with height heat radiation rete 120, stack metallic object layer 110 above that, stack high heat radiation rete 120 again and so repeat, until accomplishing the required number of plies of practical application.
Step 3 is fixed the stepped construction of metallic object layer and high heat radiation rete with metal edge frame.
Said metal edge frame 130 materials are copper, aluminium, silver or golden four one of which.And the concrete shape according to metal edge frame 130 is different; It is divided into three kinds on " L " type, " U " type or encirclement type entirely; Wherein, The scope that " L " type metal edge frame 130 surrounds is the adjacent both sides of stepped construction, and the scope that " U " type metal edge frame 130 surrounds is three adjacent limits of stepped construction, and 130 girths with stepped construction of the metal edge frame of encirclement type entirely all wrap up.Aluminium matter encirclement type full metal edge frame in the present embodiment.
During making, after stepped construction that accomplish to use the required number of plies, aluminium matter encirclement type full metal edge frame is wrapped in around the stepped construction, and it is fixed.
Step 4, heating make between the stepped construction of metallic object layer and high heat radiation rete and metal edge frame with contacted metal melting between the stepped construction.
To comprising the environment heating at metallic object layer 110 or high heat radiation rete 120 or metal edge frame 130 or three place, when temperature was elevated to the fusing point of metal, metal then changed molten state into.The metal of selecting for use in the present embodiment is an aluminium, and when temperature rose to 660 ℃ with the temperature of metallic aluminium, molten state was promptly changed on the surface that surface that aluminum metal body layer 110 contacts with high heat radiation rete 120 and aluminum metal frame 130 contact with stepped construction into.
Step 5, cooling cooling makes the metal freezing that is in molten state, with the stepped construction of metallic object layer and high heat radiation rete and metal edge frame with being adhered fixed between the stepped construction.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.
Claims (10)
1. one kind high heat radiation membranous type metallic composite; It is characterized in that: the height heat radiation rete that this material includes the metallic object layer and puts with its overlapping; Wherein the metallic object layer includes three layers at least altogether with high heat radiation rete, and also comprises metal edge frame three parts in order to clad metal body layer edge and high heat dissipation film edge.
2. a kind of high heat radiation membranous type metallic composite according to claim 1 is characterized in that: described high heat dissipation film is height heat radiation graphite film and graphene film one of which.
3. a kind of high heat radiation membranous type metallic composite according to claim 2 is characterized in that: described high heat radiation graphite film, thickness is between the 1-300 micron.
4. a kind of high heat radiation membranous type metallic composite according to claim 1 is characterized in that: described metallic object layer is one of which in metallic plate, metal film or the wire netting.
5. a kind of high heat radiation membranous type metallic composite according to claim 1, it is characterized in that: described high heat dissipation film is arranged with the form of interaction cascading with the metallic object layer, forms stepped construction.
6. a kind of high heat radiation membranous type metallic composite according to claim 1; It is characterized in that: described metal edge frame wraps the adjacent both sides of high heat dissipation film and the interactive stepped construction of metallic object at least, is " L " type, " U " type or the three of encirclement type full one of which.
7. a kind of high heat radiation membranous type metallic composite according to claim 1 is characterized in that: said metallic object layer and metal edge frame material are copper, aluminium, silver or golden four one of which.
8. the manufacturing approach of one kind high heat radiation membranous type metallic composite is characterized in that this method includes following steps:
Step 1 prepares metallic object layer and high heat dissipation film respectively;
Step 2 stacks metallic object layer and the high heat radiation rete form with interaction cascading, until the stepped construction of accomplishing the required number of plies;
Step 3 is fixed the stepped construction of metallic object and high heat dissipation film with metal edge frame;
Step 4, heating make between the stepped construction of metallic object and high heat dissipation film and metal edge frame with contacted metal melting between the stepped construction;
Step 5, cooling cooling makes the metal freezing that is in molten state, with the stepped construction of metallic object and high heat dissipation film and metal edge frame with being adhered fixed between the stepped construction.
9. the manufacturing approach of the height heat radiation diaphragm that cascade type according to claim 8 is diamond coated is characterized in that: described high heat dissipation film is height heat radiation graphite film and graphene film one of which.
10. the manufacturing approach of the height heat radiation diaphragm that cascade type according to claim 8 is diamond coated, it is characterized in that: said metallic object layer and metal edge frame material are copper, aluminium, silver or golden four one of which.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103945675A (en) * | 2013-01-18 | 2014-07-23 | Lg电子株式会社 | Heat discharging sheet and display device including the same |
| CN104647830A (en) * | 2015-01-30 | 2015-05-27 | 上海交通大学 | High-heat-conductivity graphite film metal block composite material and preparation method of composite material |
| CN105624747A (en) * | 2015-12-29 | 2016-06-01 | 东莞市青麦田数码科技有限公司 | Copper/graphene composite multi-layer heat dissipation film |
| CN105882068A (en) * | 2016-04-12 | 2016-08-24 | 东莞市驰明电子科技有限公司 | Graphene composite metal sheet as well as preparation method and application thereof |
| CN105984179A (en) * | 2015-03-06 | 2016-10-05 | 兰州空间技术物理研究所 | Heat sink material and preparation method thereof |
| CN106671549A (en) * | 2015-11-11 | 2017-05-17 | 北京卫星环境工程研究所 | Film structure for satellite flexible heat radiator and manufacturing method of film structure |
| CN107036482A (en) * | 2017-06-05 | 2017-08-11 | 深圳市鸿富诚屏蔽材料有限公司 | Full clad type fin and its manufacture method |
| CN107394077A (en) * | 2017-07-26 | 2017-11-24 | 王昌国 | A kind of encapsulating structure of flush type electric automobile battery pack |
| WO2018086082A1 (en) * | 2016-11-12 | 2018-05-17 | 林晓杰 | Flexible graphite heat sink |
| CN108297503A (en) * | 2017-01-11 | 2018-07-20 | 金宰范 | Electric wave can penetrate or have the metal of heat dissipation characteristics and the laminated body of graphite |
| CN110296621A (en) * | 2019-06-28 | 2019-10-01 | 河海大学常州校区 | A kind of anti-incrustation plate heat exchanger |
| CN110296620A (en) * | 2019-06-28 | 2019-10-01 | 河海大学常州校区 | A kind of anti-incrustation plate heat exchanger |
| CN110453126A (en) * | 2018-05-08 | 2019-11-15 | 长飞光纤光缆股份有限公司 | A kind of diamond-metal-based compound Heat Conduction Material and preparation method thereof |
| CN113374765A (en) * | 2021-06-04 | 2021-09-10 | 上海复合材料科技有限公司 | High-heat-conductivity flexible structure and connecting method |
| CN115354296A (en) * | 2022-08-24 | 2022-11-18 | 哈尔滨工业大学 | Method for improving thermal conductivity of graphite film aluminum composite material |
-
2010
- 2010-12-31 CN CN2010106184871A patent/CN102555324A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103945675A (en) * | 2013-01-18 | 2014-07-23 | Lg电子株式会社 | Heat discharging sheet and display device including the same |
| US9769964B2 (en) | 2013-01-18 | 2017-09-19 | Lg Electronics Inc. | Heat discharging sheet and display device including the same |
| CN104647830A (en) * | 2015-01-30 | 2015-05-27 | 上海交通大学 | High-heat-conductivity graphite film metal block composite material and preparation method of composite material |
| CN105984179A (en) * | 2015-03-06 | 2016-10-05 | 兰州空间技术物理研究所 | Heat sink material and preparation method thereof |
| CN106671549A (en) * | 2015-11-11 | 2017-05-17 | 北京卫星环境工程研究所 | Film structure for satellite flexible heat radiator and manufacturing method of film structure |
| CN105624747B (en) * | 2015-12-29 | 2017-10-13 | 东莞市莞信企业管理咨询有限公司 | A kind of copper/graphene composite multi-layer heat dissipation film |
| CN105624747A (en) * | 2015-12-29 | 2016-06-01 | 东莞市青麦田数码科技有限公司 | Copper/graphene composite multi-layer heat dissipation film |
| CN105882068A (en) * | 2016-04-12 | 2016-08-24 | 东莞市驰明电子科技有限公司 | Graphene composite metal sheet as well as preparation method and application thereof |
| CN105882068B (en) * | 2016-04-12 | 2018-12-07 | 东莞市驰明电子科技有限公司 | A kind of graphene composite metal and preparation method thereof |
| WO2018086082A1 (en) * | 2016-11-12 | 2018-05-17 | 林晓杰 | Flexible graphite heat sink |
| CN108297503A (en) * | 2017-01-11 | 2018-07-20 | 金宰范 | Electric wave can penetrate or have the metal of heat dissipation characteristics and the laminated body of graphite |
| CN107036482A (en) * | 2017-06-05 | 2017-08-11 | 深圳市鸿富诚屏蔽材料有限公司 | Full clad type fin and its manufacture method |
| CN107394077A (en) * | 2017-07-26 | 2017-11-24 | 王昌国 | A kind of encapsulating structure of flush type electric automobile battery pack |
| CN110453126A (en) * | 2018-05-08 | 2019-11-15 | 长飞光纤光缆股份有限公司 | A kind of diamond-metal-based compound Heat Conduction Material and preparation method thereof |
| CN110296621A (en) * | 2019-06-28 | 2019-10-01 | 河海大学常州校区 | A kind of anti-incrustation plate heat exchanger |
| CN110296620A (en) * | 2019-06-28 | 2019-10-01 | 河海大学常州校区 | A kind of anti-incrustation plate heat exchanger |
| CN113374765A (en) * | 2021-06-04 | 2021-09-10 | 上海复合材料科技有限公司 | High-heat-conductivity flexible structure and connecting method |
| CN115354296A (en) * | 2022-08-24 | 2022-11-18 | 哈尔滨工业大学 | Method for improving thermal conductivity of graphite film aluminum composite material |
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Application publication date: 20120711 |