CN101787470A - Heat-insulation sound-insulation and corrosion-resistance rare earth aluminum alloy structural section and production method thereof - Google Patents
Heat-insulation sound-insulation and corrosion-resistance rare earth aluminum alloy structural section and production method thereof Download PDFInfo
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- CN101787470A CN101787470A CN201010127547A CN201010127547A CN101787470A CN 101787470 A CN101787470 A CN 101787470A CN 201010127547 A CN201010127547 A CN 201010127547A CN 201010127547 A CN201010127547 A CN 201010127547A CN 101787470 A CN101787470 A CN 101787470A
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Abstract
The invention relates to a heat-insulation sound-insulation and corrosion-resistance rare earth aluminum alloy structural section and a production method thereof. The production method comprises the steps of: (1) smelting aluminum by using an intermediate frequency smelting furnace, wherein the smelting temperature is 720+/-50 DEG C; adding other raw materials after smelting, wherein the raw materials comprise the following components in parts by weight: 0.10-0.20 rear earth metal, 0.58-0.69 Mg, 0.37-0.43 Si; at most 0 .35 Fe, at most 0.1 Cu, less than 0.1 Mn, less than 0.1 Zn and the balance of Al; and (2) carrying out casting on smelted molten metal, i.e. enabling molten metal to flow through a small hole, and then carrying out water cooling bar casting and sawing. The invention has the following advantages that: 1. because a little amount of gas can be absorbed inevitably in the process of smelting the alloy, a rear earth element is added for removing the gas, thereby achieving a compact metal structure; 2. since the rear earth elements are added, alloy crystal grains are thinned and the mechanical performance of the alloy is improved; and 3. since the rear earth element is an active element, the liquid-state rear earth element which gathers on the surface of metal can greatly reduce the surface energy of the alloy.
Description
Technical field
The invention belongs to special technical field of new material preparation, be specifically related to a kind of heat insulation, sound insulation, corrosion-resistance rare earth aluminum alloy structural section and production method.
Background technology
Aluminium alloy extrusions is with certain aluminium alloy formula, founds into the aluminum alloy round bar, again by certain hot extrusion processing and thermal treatment, and the section bar that process surface treatment at last has definite shape, mechanical property.Aluminium alloy extrusions market is along with the pulling of national domestic demand, and the raising of people's living standard requires more and more higher to the use properties of building aluminium alloy extrusions.The shortcoming of above-mentioned technology is: heat insulation, sound insulation, preservative property, do not satisfy the manufacturing requirement of aluminum alloy doors and windows.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned technology, and a kind of heat insulation, sound insulation, corrosion-resistance rare earth aluminum alloy structural section and production method are provided, and satisfies the requirement of the manufacturing of aluminum alloy doors and windows to heat insulation, sound insulation, preservative property.
The present invention realizes the technical scheme that above-mentioned purpose adopts.This heat insulation, sound insulation, corrosion-resistance rare earth aluminum alloy structural section, it is made up of the material component of following weight part: rare earth metal: 0.10-0.20; Magnesium Mg:0.58～0.69, silicon Si:0.37～0.43, iron Fe :≤0.35, copper Cu :≤0.1, manganese Mn:＜0.1, zinc Zn:＜0.1; Aluminium Al: surplus.
The production method of heat insulation, sound insulation of the present invention, corrosion-resistance rare earth aluminum alloy structural section, it may further comprise the steps:
(1), aluminium is utilized the melting of intermediate frequency (IF) smelting stove, temperature of fusion is 720 ℃ ± 50 ℃, adds other raw materials after the fusing again, and the material component that makes is rare earth metal by weight: 0.10-0.20; Magnesium Mg:0.58～0.69, silicon Si:0.37～0.43, iron Fe :≤0.35, copper Cu :≤0.1, manganese Mn:＜0.1, zinc Zn:＜0.1; Aluminium Al: surplus;
(2), the molten metal processing of casting after the fusing, even molten metal flows out by aperture, carry out water chill cast bar, sawing again.
Described rare earth metal is one or more of lanthanum, cerium, praseodymium, neodymium.
The present invention is main norium by rationally add lightweight rare earth elements such as lanthanum, cerium, praseodymium, neodymium in steel and alloy, through studying in many ways and verifying, following advantage is arranged compared with prior art:
1, owing to inevitably can suck a small amount of gas in the alloy melting process, adding behind the rare earth element rare earth element can be at first and these gas chemical combination, forms rare earth compound, with the form emersion molten metal surface of slag, thereby the outgassing of playing makes metal construction tight;
2, the adding of rare earth element makes the alloy grain refinement, and alloy mechanical performance is improved;
3, rare earth element is a kind of active element, and the liquid rare earth element that accumulates in the metallic surface down makes the surface energy of alloy significantly reduce;
4, by adding rare earth element in the alloy, in the pyroprocess of alloy melting, form high melting point metal compound, these metallic compounds have very strong modifying-refining effect, and only as the nucleus particle, make alloy branch crystal become short and small petal-shaped by the plumage arrow shape of a property dendritic arm prosperity, also make the hard phase constitution form in the former alloy, change into equally distributed starlike by thick bulk, bar-shaped form.The interpolation of trace element does not influence the interface mobility, has kept the high damping characteristic of alloy when improving tissue, improving mechanical property.
5, heat insulation, sound-proof material: in order to connect lower thermal conductivity, the sound damping non-metallic material of aluminium alloy extrusions.
Embodiment:
The invention will be further described below in conjunction with specific embodiment: present embodiment has provided detailed embodiment and process being to implement under the prerequisite with the technical solution of the present invention, but protection scope of the present invention is not limited to following embodiment.
This heat insulation, sound insulation, corrosion-resistance rare earth aluminum alloy structural section, it is made up of the material component of following weight part: rare earth metal: 0.10-0.20; Magnesium Mg:0.58～0.69, silicon Si:0.37～0.43, iron Fe :≤0.35, copper Cu :≤0.1, manganese Mn:＜0.1, zinc Zn:＜0.1; Aluminium Al: surplus, described rare earth metal are one or more of lanthanum, cerium, praseodymium, neodymium.
| Magnesium Mg | Silicon Si | Iron Fe | Copper Cu | Manganese Mn | Zinc Zn | Rare earth | Aluminium AL |
| ??0.58/0.69 | ??0.37/0.43 | ??≤0.35 | ??＜0.1 | ??＜0.1 | ??＜0.1 | ??0.10/0.20 | Surplus |
The production method of heat insulation, sound insulation of the present invention, corrosion-resistance rare earth aluminum alloy structural section, it may further comprise the steps:
(1), aluminium is utilized the melting of intermediate frequency (IF) smelting stove, temperature of fusion is 720 ℃ ± 50 ℃, adds other raw materials after the fusing again, and the material component that makes is rare earth metal by weight: 0.10-0.20; Magnesium Mg:0.58～0.69, silicon Si:0.37～0.43, iron Fe :≤0.35, copper Cu :≤0.1, manganese Mn:＜0.1, zinc Zn:＜0.1; Aluminium Al: surplus;
(2), the molten metal processing of casting after the fusing, even molten metal flows out by aperture, carry out water chill cast bar, sawing again.
Described rare earth metal is one or more of lanthanum, cerium, praseodymium, neodymium.
Mode of connection:
1, penetrating bar type: by tooth punching, wear bar, rolling step, bar shaped is heat insulation, sound-proof material penetrates aluminium alloy extrusions and wears in the bar groove, and makes it by the complex method of the firm interlock of aluminium alloy extrusions.
2, cast-type: liquid heat insulation, the interior and curing of sound-proof material injection aluminium alloy extrusions pouring basin, interim cross structure in the excision aluminium alloy extrusions pouring basin makes it to disconnect metal and connects, the complex method that combines by two portions heat insulation, that sound-proof material disconnects aluminium alloy extrusions.
3, heat insulation, sound insulation section bar with heat insulation, sound-proof material connects aluminium alloy extrusions and having of making is heat insulation, the composite material of sound insulation function.
Experiment effect of the present invention is:
1. the energy-conservation 30%-40% of energy-saving effect .K. value 2.0-3.0W/M2K.
2. good sound insulation acoustic performance reduces noise sound 30-50Db
3. white function is coagulated in antisweat, and window is totally obviously bright.
4. intensity height, performance reaches 1 grade standard behind the wind resistance.
5. airtight watertightness is good, all reaches 1 grade standard.
6. three Room principle of design. the structural stability height. the mechanical property excellence.
7. intermediate seal design. the dual seal effect.
8. adopt and advanced twoly to wear the bar worker and produce. have structure and manage entirely, in conjunction with firm, good rigidly, characteristics such as thermal resistance is big are compared with existing single injecting glue bar heat-insulation aluminum section. and effect of heat insulation is better.
Testing data:
| Test number (TN) | Yield strength (MPa) | Elongation (%) | Reduce noise sound Db | Rotproofness, weathering resistance | Tensile strength (MPa) |
| ??1 | ??310 | ??12 | ??45 | 1 grade | ??360 |
| ??2 | ??315 | ??13 | ??46 | 1 grade | ??365 |
| ??3 | ??314 | ??14 | ??48 | 1 grade | ??361 |
| ??4 | ??312 | ??13 | ??47 | 1 grade | ??364 |
| ??5 | ??314 | ??12 | ??45 | 1 grade | ??363 |
| ??6 | ??313 | ??13 | ??44 | 1 grade | ??362 |
Claims (4)
1. heat insulation a, sound insulation, corrosion-resistance rare earth aluminum alloy structural section, it is characterized in that: it is made up of the material component of following weight part: rare earth metal: 0.10-0.20; Magnesium Mg:0.58～0.69, silicon Si:0.37～0.43, iron Fe :≤0.35, copper Cu :≤0.1, manganese Mn:＜0.1, zinc Zn:＜0.1; Aluminium Al: surplus.
2. according to described heat insulation, the sound insulation of claim 1, corrosion-resistance rare earth aluminum alloy structural section, it is characterized in that: described rare earth metal is one or more of lanthanum, cerium, praseodymium, neodymium.
3. method of producing heat insulation, sound insulation as claimed in claim 1, corrosion-resistance rare earth aluminum alloy structural section, it is characterized in that: it may further comprise the steps:
(1), aluminium is utilized the melting of intermediate frequency (IF) smelting stove, temperature of fusion is 720 ℃ ± 50 ℃, adds other raw materials after the fusing again, makes material component be rare earth metal by weight: 0.10-0.20; Magnesium Mg:0.58～0.69, silicon Si:0.37～0.43, iron Fe :≤0.35, copper Cu :≤0.1, manganese Mn:＜0.1, zinc Zn:＜0.1; Aluminium Al: surplus;
(2), the molten metal processing of casting after the fusing, even molten metal flows out by aperture, carry out water chill cast bar, sawing again.
4. the production method of heat insulation, sound insulation according to claim 3, corrosion-resistance rare earth aluminum alloy structural section is characterized in that: described rare earth metal is one or more of lanthanum, cerium, praseodymium, neodymium.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010127547A CN101787470A (en) | 2010-03-17 | 2010-03-17 | Heat-insulation sound-insulation and corrosion-resistance rare earth aluminum alloy structural section and production method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218756A (en) * | 2013-04-26 | 2014-12-17 | 通用汽车环球科技运作有限责任公司 | Aluminum alloy rotor for an electromagnetic device |
| CN104532071A (en) * | 2014-12-23 | 2015-04-22 | 合肥派成铝业有限公司 | Hardly-yellowing aluminum alloy for doors and windows |
| CN114134374A (en) * | 2021-10-28 | 2022-03-04 | 佛山市三水凤铝铝业有限公司 | 6-series aluminum alloy and preparation method thereof |
-
2010
- 2010-03-17 CN CN201010127547A patent/CN101787470A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218756A (en) * | 2013-04-26 | 2014-12-17 | 通用汽车环球科技运作有限责任公司 | Aluminum alloy rotor for an electromagnetic device |
| US9601978B2 (en) | 2013-04-26 | 2017-03-21 | GM Global Technology Operations LLC | Aluminum alloy rotor for an electromagnetic device |
| CN104532071A (en) * | 2014-12-23 | 2015-04-22 | 合肥派成铝业有限公司 | Hardly-yellowing aluminum alloy for doors and windows |
| CN114134374A (en) * | 2021-10-28 | 2022-03-04 | 佛山市三水凤铝铝业有限公司 | 6-series aluminum alloy and preparation method thereof |
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Open date: 20100728 |