CN106367639A - High-thermal-conductivity aluminum alloy and preparing method thereof - Google Patents
High-thermal-conductivity aluminum alloy and preparing method thereof Download PDFInfo
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- CN106367639A CN106367639A CN201610878009.1A CN201610878009A CN106367639A CN 106367639 A CN106367639 A CN 106367639A CN 201610878009 A CN201610878009 A CN 201610878009A CN 106367639 A CN106367639 A CN 106367639A
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- melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
Abstract
The invention discloses a high-thermal-conductivity aluminum alloy and a preparing method thereof. The aluminum alloy is composed of components including, by weight percent, 7.5% to 8.5% of silicon, 0.35% to 0.55% of magnesium, 0.02% to 0.05% of boron, 0.01% to 0.02% of titanium, 0.01% to 0.02% of zirconium, not larger than 0.2% of iron in impurities, smaller than 0.1% of zinc, not larger than 0.05% of magnesium, not larger than 0.05% of copper and the balance aluminum. The preparing method comprises following steps of burdening calculation, smelting furnace smelting, refining degassing and modification. Compared with the prior art, the aluminum titanium alloy has the beneficial effects of being good in liquidity, excellent in mechanical property, high in heat conduction coefficient, good in corrosion-resisting property, good in machining property, low in raw material cost and the like, can be widely applied to electronic, electrical, communication and mechanical and electronic industries, can effectively ensure the cooling work performance of a heating device and has the good effect on prolonging the service life of electronic and electrical products, and reducing the production cost.
Description
Technical field
The present invention relates to a kind of high heat conduction aluminium alloy, more particularly, to a kind of high heat conduction aluminium alloy and preparation method thereof.
Background technology
At present, the heat conductivity of common pack alloy is 100w./m.k, electronics, electrically, communication, dynamo-electric row
Industry exists affects the phenomenon of work because of the heating such as components and parts during much work, and common pack alloy not can solve
State the problem producing because of the heating such as components and parts.The heat conductivity of the present invention is more than 180w./m.k height and die casting performance, corrosion resistant
Corrosion is good, can effectively solve the above problems.
Content of the invention
The present invention is to solve above-mentioned deficiency, there is provided a kind of alloy flowability is good, mechanical performance is excellent, heat conductivity
High, corrosion resistance is good and machining property is good high heat conduction aluminium alloy and preparation method thereof.
Embodiment
The above-mentioned purpose of the present invention is realized by following technical scheme: a kind of high heat conduction aluminium alloy and its preparation side
Method, composed of the following components by weight percentage: silicon 7.5～8.5%；Magnesium 0.35～0.55%；Boron 0.02～0.05%；Titanium
0.01～0.02%；Zirconium 0.01～0.02%；Ferrum≤0.2% in impurity；Zinc ＜ 0.1%；Manganese≤0.05；Copper≤0.05；Remaining
For aluminum.
A kind of preparation method of high heat conduction aluminium alloy, comprises the following steps:
(1) burdening calculation；
(2) fine aluminium melting is added in a furnace according to the dispensing calculating, after melting, maintain the temperature at 720 DEG C -740 DEG C；
(3) add silicon melting, after melting, maintain the temperature at 720 DEG C -740 DEG C；
(4) add magnesium melting, after melting, maintain the temperature at 720 DEG C -740 DEG C；
(5) add aluminium zirconium hardener, aluminum titanium intermediate alloy, aluminum boron intermediate alloy melting, after melting, maintain the temperature at 690
℃-710℃；
(6) stirring aluminum alloy melt 5-10 minute makes composition uniformly and then slagging-off, sample examination；
(7) each element component content is adjusted according to result of laboratory test until reaching the scope of requirement；
(8) refine degasification: refining agent is blown into aluminum alloy melt bottom by nitrogen and carries out refine degasification, until refine is complete
Finish；Insulation degree, at 700 DEG C -720 DEG C, removes the gred, and then stands 10-15 minute, is cast, obtain finished product, defective work melts down, and closes
Lattice product are put in storage.
Further, the smelting furnace described in step (2) is resistance furnace, induction furnace or reverberatory furnace.
Present invention advantage compared with prior art is: the heat conductivity of the present invention is more than 180w./m.k height and die casting
Can, corrosion resistance good, and machining property is good and the low advantage of the cost of raw material, can be widely used for electronics, electric, logical
News, electromechanical industries；Can effectively solving electronics, electrically, communication, electromechanical industries exist much work when because of the heating such as components and parts
The phenomenon of impact work, has good effect to reducing production cost.
Brief description
Fig. 1 is the process chart of the present invention
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for making the present invention realize are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Embodiment 1
With reference to Fig. 1, a kind of high heat conduction aluminium alloy and preparation method thereof, it is as follows for getting out percentage by weight: aluminum:
90.3%；Silicon 7.5%；Magnesium 0.35%；Boron 0.02%；Titanium 0.01%；Zirconium 0.01%；Ferrum 0.2% in impurity；Zinc 0.09%；Manganese
0.05%；Copper 0.05%；Operate as follows:
(1) burdening calculation；
(2) fine aluminium melting is added in a furnace according to the dispensing calculating, after melting, maintain the temperature at 720 DEG C；
(3) add silicon melting, after melting, maintain the temperature at 720 DEG C；
(4) add magnesium melting, after melting, maintain the temperature at 720 DEG C；
(5) add aluminium zirconium hardener, aluminum titanium intermediate alloy, aluminum boron intermediate alloy melting, after melting, maintain the temperature at 690
℃；
(6) stirring aluminum alloy melt makes composition uniformly for 5 minutes and then slagging-off, sample examination；
(7) each element component content is adjusted according to result of laboratory test until reaching the scope of requirement；
(8) refine degasification: refining agent is blown into aluminum alloy melt bottom by nitrogen and carries out refine degasification, until refine is complete
Finish；Insulation degree, at 700 DEG C, removes the gred, and then stands 10 minutes, is cast, obtain finished product, defective work melts down, and certified products are put in storage.
Further, the smelting furnace described in step (2) is induction furnace.
Embodiment 2
As shown in figure 1, a kind of high heat conduction aluminium alloy, prepare following material: aluminum by weight percentage: 92.1%；Silicon
8.5%；Magnesium 0.55%；Boron 0.05%；Titanium 0.02%；Zirconium 0.02%；Ferrum 0.2% in impurity；Zinc 0.09%；Manganese 0.05%；Copper
0.05%, remaining is aluminum, is prepared as follows:
(1) burdening calculation；
(2) fine aluminium melting is added in a furnace according to the dispensing calculating, after melting, maintain the temperature at 740 DEG C；
(3) add silicon melting, after melting, maintain the temperature at 740 DEG C；
(4) add magnesium melting, after melting, maintain the temperature at 740 DEG C；
(5) add aluminium zirconium hardener, aluminum titanium intermediate alloy, aluminum boron intermediate alloy melting, after melting, maintain the temperature at 710
℃；
(6) stirring aluminum alloy melt makes composition uniformly for 10 minutes and then slagging-off, sample examination；
(7) each element component content is adjusted according to result of laboratory test until reaching the scope of requirement；
(8) refine degasification: refining agent is blown into aluminum alloy melt bottom by nitrogen and carries out refine degasification, until refine is complete
Finish；Insulation degree, at 720 DEG C, removes the gred, and then stands 15 minutes, is cast, obtain finished product, defective work melts down, and certified products are put in storage.
Smelting furnace described in step (2) therein is resistance furnace.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above, for this area skill
It is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment for art personnel, and in the spirit without departing substantially from the present invention or
In the case of basic feature, the present invention can be realized in other specific forms.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, the scope of the present invention by claims rather than on state
Bright restriction, it is intended that all changes in the implication and scope of the equivalency of claim that fall are included in the present invention
Interior.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (3)
1. a kind of high heat conduction aluminium alloy and preparation method thereof, composed of the following components by weight percentage: silicon 7.5～8.5%；Magnesium
0.35～0.55%；Boron 0.02～0.05%；Titanium 0.01～0.02%；Zirconium 0.01～0.02%；Ferrum≤0.2% in impurity；Zinc
＜ 0.1%；Manganese≤0.05；Copper≤0.05；Remaining is aluminum.
2. a kind of preparation method of high heat conduction aluminium alloy it is characterised in that: comprise the following steps:
(1) burdening calculation；
(2) fine aluminium melting is added in a furnace according to the dispensing calculating, after melting, maintain the temperature at 720 DEG C -740 DEG C；
(3) add silicon melting, after melting, maintain the temperature at 720 DEG C -740 DEG C；
(4) add magnesium melting, after melting, maintain the temperature at 720 DEG C -740 DEG C；
(5) add aluminium zirconium hardener, aluminum titanium intermediate alloy, aluminum boron intermediate alloy melting, maintain the temperature at after melting 690 DEG C-
710℃；
(6) stirring aluminum alloy melt 5-10 minute makes composition uniformly and then slagging-off, sample examination；
(7) each element component content is adjusted according to result of laboratory test until reaching the scope of requirement；
(8) refine degasification: refining agent is blown into aluminum alloy melt bottom by nitrogen and carries out refine degasification, until refine finishes.
3. a kind of high heat conduction aluminium alloy according to claim 2 preparation method it is characterised in that: described in step (2)
Smelting furnace be resistance furnace, induction furnace or reverberatory furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610878009.1A CN106367639A (en) | 2016-10-09 | 2016-10-09 | High-thermal-conductivity aluminum alloy and preparing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968681A (en) * | 2018-07-24 | 2018-12-11 | 宁波市金波金属制品有限公司 | A kind of coffee machine liner and moulding process and coffee machine |
| CN110184510A (en) * | 2019-07-12 | 2019-08-30 | 华劲新材料研究院(广州)有限公司 | A kind of novel high thermal conductivity aluminum alloy materials |
| CN111549250A (en) * | 2020-06-15 | 2020-08-18 | 丽水市航鸣科技有限公司 | High-performance aluminum-magnesium alloy wire and preparation method thereof |
| CN111926221A (en) * | 2020-08-24 | 2020-11-13 | 山东弗泽瑞金属科技有限公司 | Preparation equipment and preparation method of high-thermal-conductivity aluminum alloy for die casting |
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| CN1737176A (en) * | 2004-06-29 | 2006-02-22 | 莱茵费尔登炼铝厂有限责任公司 | Aluminum diecasting alloy |
| CN104498783A (en) * | 2014-11-28 | 2015-04-08 | 深圳市蓝海精密模具有限公司 | Novel aluminum alloy and preparation method thereof |
| CN104498784A (en) * | 2014-12-25 | 2015-04-08 | 马鸿斌 | Novel aluminum-titanium alloy and preparation process thereof |
| CN104862547A (en) * | 2015-04-14 | 2015-08-26 | 芜湖市鸿坤汽车零部件有限公司 | High-strength aluminum alloy material for engine cylinder cover and manufacturing method of material |
| CN105256185A (en) * | 2015-11-11 | 2016-01-20 | 天津爱田汽车部件有限公司 | Cast aluminum alloy high in thermal conductivity |
-
2016
- 2016-10-09 CN CN201610878009.1A patent/CN106367639A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737176A (en) * | 2004-06-29 | 2006-02-22 | 莱茵费尔登炼铝厂有限责任公司 | Aluminum diecasting alloy |
| CN104498783A (en) * | 2014-11-28 | 2015-04-08 | 深圳市蓝海精密模具有限公司 | Novel aluminum alloy and preparation method thereof |
| CN104498784A (en) * | 2014-12-25 | 2015-04-08 | 马鸿斌 | Novel aluminum-titanium alloy and preparation process thereof |
| CN104862547A (en) * | 2015-04-14 | 2015-08-26 | 芜湖市鸿坤汽车零部件有限公司 | High-strength aluminum alloy material for engine cylinder cover and manufacturing method of material |
| CN105256185A (en) * | 2015-11-11 | 2016-01-20 | 天津爱田汽车部件有限公司 | Cast aluminum alloy high in thermal conductivity |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968681A (en) * | 2018-07-24 | 2018-12-11 | 宁波市金波金属制品有限公司 | A kind of coffee machine liner and moulding process and coffee machine |
| CN110184510A (en) * | 2019-07-12 | 2019-08-30 | 华劲新材料研究院(广州)有限公司 | A kind of novel high thermal conductivity aluminum alloy materials |
| CN111549250A (en) * | 2020-06-15 | 2020-08-18 | 丽水市航鸣科技有限公司 | High-performance aluminum-magnesium alloy wire and preparation method thereof |
| CN111926221A (en) * | 2020-08-24 | 2020-11-13 | 山东弗泽瑞金属科技有限公司 | Preparation equipment and preparation method of high-thermal-conductivity aluminum alloy for die casting |
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Application publication date: 20170201 |
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