CN104313409B - Formula of die-casting aluminum alloy with high thermal conductivity - Google Patents
Formula of die-casting aluminum alloy with high thermal conductivity Download PDFInfo
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- CN104313409B CN104313409B CN201410566183.3A CN201410566183A CN104313409B CN 104313409 B CN104313409 B CN 104313409B CN 201410566183 A CN201410566183 A CN 201410566183A CN 104313409 B CN104313409 B CN 104313409B
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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
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Casings For Electric Apparatus (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a formula of a die-casting aluminum alloy with high thermal conductivity. The formula contains the following components in percentage by weight: 0.3-0.5% of Si, 0.1-0.2% of Fe, 0.03-0.1% of Cu, 0.003-0.01% of Mn, 0.01-0.1% of Mg, 0.0005-0.001% of Cr, 0.001-0.003% of Ni, 0.1-0.3% of Zn and the balance of Al. The formula disclosed by the invention has the beneficial effects that in a die-casting process, the affinity of the die-casting aluminum alloy to steel products is lower than that of pure aluminum, the fluidity of the die-casting aluminum alloy is higher than that of the pure aluminum, and the die-casting aluminum alloy has high thermal conductivity and is suitable for an electronic equipment die-cast case and a radiating cooling plate with high heat productivity.
Description
Technical field
The present invention relates to alloy formula, the pack alloy formula of particularly a kind of high thermoconductivity.
Background technology
With scientific and technical development, electronic product and electronic equipment have obtained large-scale use, but electronics
In use, its electronic chip can send substantial amounts of heat to product, and for some main equipments, its chipset is relatively
Many, the heat therefore sending is also more, so having to chip cooling.
Chip cooling is usually used radiator, and radiator material needs higher pyroconductivity, the heat conduction commonly used at present
Material has: fine aluminium, aluminium alloy, fine copper.Heat conductivity highest is fine copper, is secondly fine aluminium, but the price of fine copper is excessively high
Expensive, and proportion also ratio is larger, and fine aluminium is not suitable for extrusion process and produces it is impossible to produce complex-shaped part.And press at present
In 96 ~ 130 w/m.k, for the big electronic product of caloric value, its pyroconductivity does not reach electronics to the heat conductivity of cast aluminium alloy
The required requirement of product.
Content of the invention
It is an object of the invention to overcoming the shortcoming of prior art, a kind of high thermoconductivity being provided and is suitable for the pressure of die casting
Cast aluminium alloy formula.
The purpose of the present invention is achieved through the following technical solutions: a kind of pack alloy of high thermoconductivity contains with weight
Amount percentages following component: the si of 0.3 ~ 0.5wt%, the fe of 01 ~ 0.2 wt%, the cu of 0.03 ~ 0.1 wt%, 0.003 ~
The mn of 0.01 wt%, the mg of 0.01 ~ 0.1 wt%, the cr of 0.0005 ~ 0.001 wt%, the ni of 0.001 ~ 0.003 wt%, 0.1 ~
The zn of 0.3 wt%, remaining is al.
The invention has the advantages that the finished product that the pack alloy formula of the present invention is made has higher conduction of heat
Rate, the heat conductivity (96 ~ 130 w/m.k) comparing traditional aluminium alloy is significantly lifted, and can reach 205w/mk, close
The heat conductivity of fine aluminium, and in press casting procedure, this aluminium alloy is lower than fine aluminium to the affinity of steel, and the flowing than fine aluminium
Property high.
Specific embodiment
Protection scope of the present invention is not limited to described below:
Specific embodiment one:
A kind of pack alloy of high thermoconductivity, the following component containing by weight percentage: 0.5wt%'s
Si, the fe of 0.2 wt%, the cu of 0.03 wt%, the mn of 0.01 wt%, the mg of 0.1 wt%, the cr of 0.001 wt%, 0.001 wt%
Ni, the zn of 0.1 wt%, remaining be al.
The making step of the pack alloy of the present embodiment is:
First, get the raw materials ready according to the alloy of above-mentioned each component ratio, melting furnace is preheating to 200～300 DEG C；
2nd, the al in step one is first put into melting furnace, to be melted after, more first put into by the high alloy of fusing point, fusing point is low
Alloy after put in melting furnace, until completely melted, be sufficiently stirred for, be simultaneously introduced refining agent and deslagging agent, furnace temperature will be dissolved
Degree is set as 700 DEG C；
3rd, the refining agent adding in step 2 and deslagging agent slag thing are pulled out；
4th, sampling cooling, in analysis aluminium alloy liquid, whether each component ratio reaches and presets；
5th, stand 15～30 points of aluminium alloy liquid, casting forms aluminium ingot.
The pack alloy of the present embodiment, and steel affinity is lower than fine aluminium, has higher mobility than fine aluminium, in pressure
During casting, can be good at flowing in mold cavity, and the aluminum alloy part of die cast has higher conduction of heat
Rate, with the detection of laser heat conduction coefficient tester, detects that the heat conductivity of this pack alloy is 198 w/mk.
Specific embodiment two:
A kind of pack alloy formula of high thermoconductivity, the following component containing by weight percentage:
The si of 0.45wt%, the fe of 0.15 wt%, the cu of 0.1 wt%, the mg of mn, 0.01wt% of 0.004 wt%, 0.0005 wt%
Cr, the ni of 0.003 wt%, the zn of 0.3 wt%, remaining is al.
The making step of the pack alloy of the present embodiment is:
First, mix according to above-mentioned each component ratio, melting furnace is preheating to 200～300 DEG C；
2nd, the al in step one is first put into melting furnace, to be melted after, then by high first the putting into of fusing point, low-melting after
Put in melting furnace, until completely melted, be sufficiently stirred for, be simultaneously introduced refining agent and deslagging agent, furnace temperature will be dissolved and be set as
700℃；
3rd, the refining agent adding in step 2 and deslagging agent slag thing are pulled out；
4th, sampling cooling, in analysis aluminium alloy liquid, whether each component ratio reaches and presets；
5th, stand 15～30 points of aluminium alloy liquid, casting forms aluminium ingot.
The pack alloy of the present embodiment, and steel affinity is lower than fine aluminium, has higher mobility than fine aluminium, in pressure
During casting, can be good at flowing in mold cavity, and the aluminum alloy part of die cast has higher conduction of heat
Rate, with the detection of laser heat conduction coefficient tester, detects that the heat conductivity of this pack alloy is 201.7 w/mk.
Specific embodiment three:
A kind of pack alloy formula of high thermoconductivity, the following component containing by weight percentage: 0.4wt%
Si, the fe of 0.1 wt%, the cu of 0.07 wt%, the mn of 0.005 wt%, the mg of 0.07 wt%, the cr of 0.0009 wt%,
The ni of 0.0025 wt%, the zn of 0.15 wt%, remaining is al.
The making step of the pack alloy of the present embodiment is:
First, mix according to above-mentioned each component ratio, melting furnace is preheating to 200～300 DEG C；
2nd, the al in step one is first put into melting furnace, to be melted after, then by high first the putting into of fusing point, low-melting after
Put in melting furnace, until completely melted, be sufficiently stirred for, be simultaneously introduced refining agent and deslagging agent, furnace temperature will be dissolved and be set as
700℃；
3rd, the refining agent adding in step 2 and deslagging agent slag thing are pulled out；
4th, sampling cooling, in analysis aluminium alloy liquid, whether each component ratio reaches and presets；
5th, stand 15～30 points of aluminium alloy liquid, casting forms aluminium ingot.
The pack alloy of the present embodiment, and steel affinity is lower than fine aluminium, has higher mobility than fine aluminium, in pressure
During casting, can be good at flowing in mold cavity, and the aluminum alloy part of die cast has higher conduction of heat
Rate, with the detection of laser heat conduction coefficient tester, detects that the heat conductivity of this pack alloy is 203.3 w/mk.
Specific embodiment four:
A kind of pack alloy formula of high thermoconductivity, the following component containing by weight percentage: 0.3wt%
Si, the fe of 0.1 wt%, the cu of 0.065 wt%, the mn of 0.007 wt%, the mg of 0.055 wt%, the cr of 0.00075 wt%,
The ni of 0.002 wt%, the zn of 0.2 wt%, remaining is al.
The making step of the pack alloy of the present embodiment is:
First, mix according to above-mentioned each component ratio, melting furnace is preheating to 200～300 DEG C；
2nd, the al in step one is first put into melting furnace, to be melted after, then by high first the putting into of fusing point, low-melting after
Put in melting furnace, until completely melted, be sufficiently stirred for, be simultaneously introduced refining agent and deslagging agent, furnace temperature will be dissolved and be set as
700℃；
3rd, the refining agent adding in step 2 and deslagging agent slag thing are pulled out；
4th, sampling cooling, in analysis aluminium alloy liquid, whether each component ratio reaches and presets；
5th, stand 15～30 points of aluminium alloy liquid, casting forms aluminium ingot.
The pack alloy of the present embodiment, and steel affinity is lower than fine aluminium, has higher mobility than fine aluminium, in pressure
During casting, can be good at flowing in mold cavity, and the aluminum alloy part of die cast has higher conduction of heat
Rate, with the detection of laser heat conduction coefficient tester, detects that the heat conductivity of this pack alloy is 205.2 w/mk.
Claims (1)
1. a kind of pack alloy of high thermoconductivity it is characterised in that: it is by by weight percentage following group packet
Become: the si of 0.3 ~ 0.5wt%, the fe of 01 ~ 0.2 wt%, the cu of 0.03 ~ 0.1 wt%, the mn of 0.003 ~ 0.01 wt%, 0.01 ~
The mg of 0.1 wt%, the cr of 0.0005 ~ 0.001 wt%, the ni of 0.001 ~ 0.003 wt%, the zn of 0.1 ~ 0.3 wt%, remaining is
al.
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| CN201410566183.3A CN104313409B (en) | 2014-10-21 | 2014-10-21 | Formula of die-casting aluminum alloy with high thermal conductivity |
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| CN201410566183.3A CN104313409B (en) | 2014-10-21 | 2014-10-21 | Formula of die-casting aluminum alloy with high thermal conductivity |
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| CN104313409B true CN104313409B (en) | 2017-01-25 |
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| CN105256185B (en) * | 2015-11-11 | 2017-09-08 | 天津爱田汽车部件有限公司 | A kind of high heat conduction cast aluminium alloy gold |
| CN109554590A (en) * | 2019-01-31 | 2019-04-02 | 上海应用技术大学 | High thermal conductivity aluminum alloy materials and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2275584A1 (en) * | 2004-04-05 | 2011-01-19 | Nippon Light Metal Company Ltd. | Aluminum alloy casting material for heat treatment with excellent thermal conductivity and manufacturing methods thereof. |
| CN103060620A (en) * | 2011-10-24 | 2013-04-24 | 贵州华科铝材料工程技术研究有限公司 | Carbonyl compound M(CO)6 modified high-performance aluminum alloy material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10298689A (en) * | 1997-04-23 | 1998-11-10 | Hitachi Metals Ltd | High toughness aluminum alloy die casting |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2275584A1 (en) * | 2004-04-05 | 2011-01-19 | Nippon Light Metal Company Ltd. | Aluminum alloy casting material for heat treatment with excellent thermal conductivity and manufacturing methods thereof. |
| CN103060620A (en) * | 2011-10-24 | 2013-04-24 | 贵州华科铝材料工程技术研究有限公司 | Carbonyl compound M(CO)6 modified high-performance aluminum alloy material and preparation method thereof |
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