CN104164593A - A highly-antirust aluminum-based composite heat dissipation material used for LEDs - Google Patents
A highly-antirust aluminum-based composite heat dissipation material used for LEDs Download PDFInfo
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- CN104164593A CN104164593A CN201410318111.7A CN201410318111A CN104164593A CN 104164593 A CN104164593 A CN 104164593A CN 201410318111 A CN201410318111 A CN 201410318111A CN 104164593 A CN104164593 A CN 104164593A
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Abstract
The invention relates to the lamp heat dissipation materials, and particularly relates to a highly-antirust aluminum-based composite heat dissipation material used for LEDs and a producing method thereof. The heat dissipation material is prepared from following raw materials by weight: 60-65 parts of aluminum, 10-11 parts of iron, 5-8 parts of magnesium nitride, 1-1.5 parts of stannous pyrophosphate, 1-2 parts of zinc phosphate, 0.4-0.5 part of calcium phosphate, 0.1-0.2 part of strontium phosphate, 8-10 parts of clay, 12-15 parts of quartz sand, 10-12 parts of silicon carbide, 6-8 parts of aluminum-rich andalusite and 4-5 parts of auxiliary agents. The heat dissipation material integrates advantages of the aluminum, the iron, the magnesium nitride, the clay, the quartz sand, the silicon carbide, and the like and has good heat conducting and thermal insulation properties. The raw materials are fully mixed. Sintering effects are good. The prepared heat dissipation material has characteristics of compact structure, bright and clean surfaces, whether tolerance, water resistance, capability of being not liable to rust and durable in use, good heat dissipation capability, capability of protecting LED lamps and delaying the luminous decaying speed, good using properties and long service lifetime.
Description
Technical field
The present invention relates to light fixture heat sink material, be specifically related to high antirust aluminium base composite heat dissipation material and production method thereof for a kind of LED.
Background technology
LED be called as the 4th generation light source, there is the advantages such as energy-saving and environmental protection, safety, less energy-consumption, high brightness, be widely used in daily life, the heat dispersion of LED lamp body itself is most important, directly has influence on work-ing life and the illuminating effect of light fixture.Existing LED heat sink material is mainly to be made by metallic substance such as aluminium, copper, there is in actual use the shortcomings such as cost restriction, insulating property be inadequate, so formula of necessary improvement material, make material reach more good radiating effect, the use properties of improving light fixture, increases the service life.
Summary of the invention
The object of the invention is to, high antirust aluminium base composite heat dissipation material for a kind of LED is provided, to improve heat dispersion and the use properties of material, protect more efficiently LED light fixture, to achieve these goals, the technical solution used in the present invention is as follows:
High antirust aluminium base composite heat dissipation material for a kind of LED, it is characterized in that, material of the present invention is made by the raw material of following weight part: aluminium 60-65, iron 10-11, magnesium nitride 5-8, stannous pyrophosphate 1-1.5, zinc phosphate 1-2, calcium phosphate 0.4-0.5, strontium phosphate 0.1-0.2, clay 8-10, quartz sand 12-15, silicon carbide 10-12, mullite 6-8, auxiliary agent 4-5.
Described auxiliary agent is made by the raw material of following weight part: the fluorine carbon emulsion 2-3 of Zinic stearas 1-3, solid content 45%, magnesium salicylate 4-5, Sodium Tetraborate 1-2, inorganic Ge powder 5-8, four acicular type zinc oxide crystal whisker 12-15, preparation method is: first Sodium Tetraborate is dissolved in suitable quantity of water, be prepared into the aqueous solution that concentration is 8-10%, then drop into magnesium salicylate, four acicular type zinc oxide crystal whisker, mixing and ball milling 1-2h, subsequently gained slurry is dried, disperse to be dried after 2-3h with other remaining component mix and blend again, make 300-400 order fine powder, obtain.
High antirust aluminium base composite heat dissipation material for described a kind of LED, its manufacture craft comprises following steps:
(1) all the components mix and blend is disperseed, after 1-2h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus≤0.05% of gained material;
(2) material of step (1) gained is sent into compression moulding in mould, under nitrogen atmosphere, to naturally cool to room temperature after the temperature sintering 4-6h of 650-700 ℃, obtain.
The invention has the advantages that: the advantage that combines the compositions such as aluminium, iron, magnesium nitride, clay, quartz sand, silicon carbide compared with conventional aluminum heat exchanging material on raw material; have good heat conduction and insulating property concurrently; stock yard mixes fully; sintering effect is good; the heat sink material compact structure preparing; any surface finish; weather-proof water-fast; be difficult for corrosion; durable in use; good heat-sinking capability can be good at protecting LED light fixture, delays its light decay speed, thereby obtains good use properties and lasting work-ing life.
Embodiment
Embodiment
The present embodiment LED heat sink material is made by following weight part raw material: aluminium 65, iron 11, magnesium nitride 8, stannous pyrophosphate 1.5, zinc phosphate 2, calcium phosphate 0.5, strontium phosphate 0.1, clay 10, quartz sand 15, silicon carbide 12, mullite 8, auxiliary agent 5.
Described auxiliary agent is made by the raw material of following weight part: the fluorine carbon emulsion 3 of Zinic stearas 3, solid content 45%, magnesium salicylate 5, Sodium Tetraborate 1, inorganic Ge powder 8, four acicular type zinc oxide crystal whisker 15, preparation method is: first Sodium Tetraborate is dissolved in suitable quantity of water, be prepared into concentration and be 10% the aqueous solution, then drop into magnesium salicylate, four acicular type zinc oxide crystal whisker, mixing and ball milling 2h, dries gained slurry subsequently, then disperses to be dried after 3h with other remaining component mix and blend, make 400 order fine powders, obtain.
High antirust aluminium base composite heat dissipation material for described a kind of LED, its manufacture craft comprises following steps:
(1) all the components mix and blend is disperseed, after 2h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus≤0.05% of gained material;
(2) material of step (1) gained is sent into compression moulding in mould, under nitrogen atmosphere, to naturally cool to room temperature after the temperature sintering 6h of 650-700 ℃, obtain.
The more conventional LED of the prepared heat sink material of the present embodiment improves 18.4% by the intensity of heat sink material, and thermal conductivity improves 36.5%, and thermal diffusivity improves 31.1%, heat balance time shorten in average 160min, and light fixture improves 33.9% work-ing life.
Claims (2)
1. high antirust aluminium base composite heat dissipation material for a LED, it is characterized in that, this heat radiation is made by the raw material of following weight part: aluminium 60-65, iron 10-11, magnesium nitride 5-8, stannous pyrophosphate 1-1.5, zinc phosphate 1-2, calcium phosphate 0.4-0.5, strontium phosphate 0.1-0.2, clay 8-10, quartz sand 12-15, silicon carbide 10-12, mullite 6-8, auxiliary agent 4-5;
Described auxiliary agent is made by the raw material of following weight part: the fluorine carbon emulsion 2-3 of Zinic stearas 1-3, solid content 45%, magnesium salicylate 4-5, Sodium Tetraborate 1-2, inorganic Ge powder 5-8, four acicular type zinc oxide crystal whisker 12-15, preparation method is: first Sodium Tetraborate is dissolved in suitable quantity of water, be prepared into the aqueous solution that concentration is 8-10%, then drop into magnesium salicylate, four acicular type zinc oxide crystal whisker, mixing and ball milling 1-2h, subsequently gained slurry is dried, disperse to be dried after 2-3h with other remaining component mix and blend again, make 300-400 order fine powder, obtain.
2. high antirust aluminium base composite heat dissipation material for a kind of LED as claimed in claim 1, its production method is as follows:
(1) all the components mix and blend is disperseed, after 1-2h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus≤0.05% of gained material;
(2) material of step (1) gained is sent into compression moulding in mould, under nitrogen atmosphere, to naturally cool to room temperature after the temperature sintering 4-6h of 650-700 ℃, obtain.
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CN201410318111.7A CN104164593A (en) | 2014-07-07 | 2014-07-07 | A highly-antirust aluminum-based composite heat dissipation material used for LEDs |
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CN201410318111.7A CN104164593A (en) | 2014-07-07 | 2014-07-07 | A highly-antirust aluminum-based composite heat dissipation material used for LEDs |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106631081A (en) * | 2016-11-28 | 2017-05-10 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Three-dimensional printed magnesium nitride ceramic material and preparation method thereof |
Citations (4)
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JP2007146260A (en) * | 2005-11-30 | 2007-06-14 | Pooraito Kk | Metallic sliding member including nitrogen-containing compound |
CN102776431A (en) * | 2012-08-20 | 2012-11-14 | 山东交通学院 | Tri-iron aluminide intermetallic compound-titanium nitride ceramic composite and method for preparing same |
CN102911535A (en) * | 2012-10-31 | 2013-02-06 | 华南理工大学 | Ceramic membrane cooling coating for LED radiator and preparation method of ceramic membrane cooling coating |
US20130209308A1 (en) * | 2012-02-15 | 2013-08-15 | Baker Hughes Incorporated | Method of making a metallic powder and powder compact and powder and powder compact made thereby |
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2014
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007146260A (en) * | 2005-11-30 | 2007-06-14 | Pooraito Kk | Metallic sliding member including nitrogen-containing compound |
US20130209308A1 (en) * | 2012-02-15 | 2013-08-15 | Baker Hughes Incorporated | Method of making a metallic powder and powder compact and powder and powder compact made thereby |
CN102776431A (en) * | 2012-08-20 | 2012-11-14 | 山东交通学院 | Tri-iron aluminide intermetallic compound-titanium nitride ceramic composite and method for preparing same |
CN102911535A (en) * | 2012-10-31 | 2013-02-06 | 华南理工大学 | Ceramic membrane cooling coating for LED radiator and preparation method of ceramic membrane cooling coating |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106631081A (en) * | 2016-11-28 | 2017-05-10 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Three-dimensional printed magnesium nitride ceramic material and preparation method thereof |
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Application publication date: 20141126 |