CN101545064A - Wrought aluminum alloy for thin-wall architectural section - Google Patents
Wrought aluminum alloy for thin-wall architectural section Download PDFInfo
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- CN101545064A CN101545064A CN200910059144A CN200910059144A CN101545064A CN 101545064 A CN101545064 A CN 101545064A CN 200910059144 A CN200910059144 A CN 200910059144A CN 200910059144 A CN200910059144 A CN 200910059144A CN 101545064 A CN101545064 A CN 101545064A
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Abstract
The invention aims to provide a wrought aluminum alloy material for thin-wall architectural section and a method for preparing the same so as to meet the requirements of the thin-wall architectural section on the wrought aluminum alloy. The wrought aluminum alloy material for the thin-wall architectural section is characterized by comprising the following components in weight proportion: 0.30 to 0.40 of silicon, 0.40 to 0.50 of magnesium, 0.10 to 0.30 of rare earth elements, 0.25 to 0.35 of iron, less than or equal to 0.05 of copper, less than or equal to 0.05 of manganese, and the balance of aluminum. The content of other impurities meet the present standards of architectural materials. The wrought aluminum alloy for the thin-wall architectural section has the characteristics that the rare earth elements are added in a mode of 10 percent of rare earth element-Al intermediate alloy. The wrought aluminum alloy material has good forming property on thin-wall special section, and the mechanical property of the wrought aluminum alloy material meets the requirement.
Description
Technical field
The present invention relates to the wrought aluminium alloy that a kind of thin-wall architectural section is used, belong to non-ferrous alloy material prescription and technology field.
Background technology
Along with widening that wrought aluminium alloy is used in fields such as building, decoration, automobile, aviation, electronics, strength property, corrosion resistance nature, the heat-tinting performance of being out of shape there has been higher requirement.But at present, in the production of wrought aluminium alloy, still exist founding precipitates such as open grain structure, feather tissue to occur, in extrusion process, be prone to the seam line, thereby increase die cost, influence product surface quality; When section bar is thicker, be prone to product deformation and material composition segregation, mechanical property is on the low side; The properties of oxide-film instability, sense organ is poor, problems such as solidity to corrosion difference, and owing to a large amount of existence of hard phase in the part aluminium alloy make machining property poor, squeeze is bigger, and it is lower that mould wears away the big life-span, and extrusion speed is slow, and production efficiency is low, the energy consumption height.Greater than 100 shape asymmetry and the big extruded section of opposite sex degree, common deforming alloy is well moulding at all for some thin-wall complicated section bar, especially flakiness ratios, and in order to satisfy the demand in market, this just requires involutory gold to carry out the composition improvement.By optimizing the alloy ingredient in the wrought aluminium alloy and adding other elements and carry out the machining property that modification improves aluminium alloy, enhance productivity, reduce production energy consumption.Up to the present, do not see relevant report.
Summary of the invention
The purpose of this invention is to provide wrought aluminium alloy material that a kind of thin-wall architectural section uses and preparation method thereof, to satisfy the modern architecture industry with the requirement of thin-wall section to wrought aluminium alloy.
Realize that technical scheme of the present invention is that the chemical element of control alloy is formed and production technique, wrought aluminium alloy material that a kind of thin-wall architectural section uses and preparation method thereof is provided.
The wrought aluminium alloy material that described a kind of thin-wall architectural section is used is characterized in that the component of this material and weight proportion are: silicon: 0.30-0.40; Magnesium: 0.40-0.50; Rare earth element: 0.10-0.30; Iron: 0.25-0.35; Copper :≤0.05; Manganese :≤0.05, all the other are aluminium.All the other foreign matter contents should meet the standard of present building materials.Described a kind of thin-wall architectural section wrought aluminium alloy, the adding that it is characterized in that rare earth element are the form addings with 10% rare earth-Al master alloy, and the component and the weight proportion of its middle-weight rare earths-Al master alloy are: La:4.0-6.0%; Ce:2.0-4.0%; Pr:0.5-1.5%; Nd:0.5-1.5%; Impurity :≤0.1%; Al: surplus.
Described a kind of thin-wall architectural section preparation method of aluminium alloy is characterized in that having following preparation process and step:
A. founding: with raw materials such as technical grade aluminium ingot, aluminium silicon master alloy and technical grade magnesium ingot by above-mentioned prescription batching by melt → stir and skim → cover → spray refining → skim in shove charge → 780-800 ℃ of temperature of its content batching and cover → ingot casting that carries out continuous casting in static insulation → 720-740 ℃ temperature is standby.
B. extruding and thermal treatment: (Heating temperature is 450-550 ℃ with above-mentioned a operation gained ingot homogenization (510-550 ℃ insulation 5-10 hour) → air cooling → ingot casting and mold heated, be incubated 2-4 hour) → extruding (350-450 ℃ of container preheating temperature) → cut-out → tension leveling → artificial aging processing (aging temp 180-220 ℃, soaking time 2-6 hour) → finished product.
Goods of the present invention are in the repetition test engineering, and are good to thin-walled ahermatypic material forming, and the mechanical property of material reaches GB and requires (GB5237.1-2004).
Embodiment
Embodiment 1: alloy ingredient and weight fraction value thereof are: silicon: 0.35; Magnesium: 0.45; Rare earth element: 0.20; Iron: 0.27; Copper :≤0.05; Manganese :≤0.05, all the other are aluminium.The technological process of production is as follows:
A. use two zero aluminium ingots (Al99.7%) of technical grade, aluminium silicon master alloy and technical grade magnesium ingot raw materials such as (one-levels) by the shove charge of above-mentioned prescription batching, ingredients by weight 9kg adopts the melting of well formula resistance furnace, melts in 780 ℃ of temperature.Melt is stirred and skims, cover; Add refining agent and spray refining, cover the back and add magnesium ingot by the prescription immerseable, after waiting to melt, skim again and cover with bell jar, static insulation 20 minutes, it is standby that temperature is raised to the ingot casting that pours into φ 160 * 350 in 740 ℃ of temperature.
B. above-mentioned a operation gained ingot casting is implemented extruding and thermal treatment.At first above-mentioned ingot casting is carried out homogenizing and handle, treatment temp is 530 ℃ of insulations 8 hours, and the air cooling of coming out of the stove to ingot casting and mold heated to 530 ℃, is incubated 4 hours simultaneously.The container preheating temperature is 400 ℃ during extruding, squeeze is 200T, cuts off after the extruding and tension leveling, and excision waste material laggard pedestrian in aligning back is imitated processing (200 ℃ of aging temps man-hour, soaking time 2 hours), the back air cooling of coming out of the stove is got the finished product of tension specimen along the direction of extrusion.
Finished product carries out Performance Detection on electronic tensile test machine, after testing, the average mechanical performance index of this routine gained wrought aluminium alloy finished product is: tensile strength: 197MPa, unit elongation: 8.3%.Arrive the mechanical performance index of expection fully.
Embodiment 2: alloy ingredient and weight fraction value thereof are: silicon: 0.374; Magnesium: 0.482; Rare earth element: 0.215; Iron: 0.281; Copper :≤0.0234; Manganese :≤0.0252, all the other are aluminium.The technological process of production is as follows:
A. use two zero aluminium ingots of technical grade, aluminium silicon master alloy and technical grade magnesium ingot raw materials such as (one-levels) by the shove charge of above-mentioned prescription batching, ingredients by weight 20000kg adopts industrial flame reverberatory smelting, melts in 780 ℃ of temperature.Melt is stirred and skims, cover; Add refining agent and spray refining, cover the back and add magnesium ingot by the prescription immerseable, after waiting to melt, skim again and cover with bell jar, static insulation 20 minutes, temperature is raised in 740 ℃ of temperature carries out continuous casting, and the ingot casting that cuts into φ 150 * 450 again is standby.
B. above-mentioned a operation gained ingot casting is implemented extruding and thermal treatment.At first above-mentioned ingot casting is carried out homogenizing and handle, treatment temp is 540 ℃ of insulations 8 hours, and the air cooling of coming out of the stove to ingot casting and mold heated to 540 ℃, is incubated 4 hours simultaneously.The container preheating temperature is 400 ℃ during extruding, squeeze is 200T, cuts off after the extruding and tension leveling, and excision waste material laggard pedestrian in aligning back is imitated processing (200 ℃ of aging temps man-hour, soaking time 2 hours), the back air cooling of coming out of the stove is got the finished product of tension specimen along the direction of extrusion.
Finished product carries out Performance Detection in Sichuan Province product quality supervision and inspection detection office, after testing, this routine gained wrought aluminium alloy end properties is: and tensile strength: 212Mpa (technical requirements 〉=160Mpa), regulation disproportional elongation stress: 189Mpa (technical requirements 〉=110Mpa), elongation: 9.0% (technical requirements 〉=8%), (GB5237.1-2004 aluminum alloy building section first part: base material) fully is up to state standards.
Claims (3)
1. a thin-wall architectural section wrought aluminium alloy is characterized in that the component of this material and weight proportion are: silicon: 0.30-0.40; Magnesium: 0.40-0.50; Rare earth element: 0.10-0.30; Iron: 0.25-0.35; Copper :≤0.05; Manganese :≤0.05, all the other are aluminium, wherein foreign matter content should meet the standard of building materials.
2. a kind of thin-wall architectural section wrought aluminium alloy according to claim 1, the adding that it is characterized in that rare earth element is the form adding with 10% rare earth-Al master alloy, and the component and the weight proportion of its middle-weight rare earths-Al master alloy are: La:4.0-6.0%; Ce:2.0-4.0%; Pr:0.5-1.5%; Nd:0.5-1.5%; Impurity :≤0.1%; Al is a surplus.
3. a kind of thin-wall architectural section of claim 1 is characterized in that having following preparation process and step with the preparation method of aluminium alloy:
A. founding: with raw materials such as technical grade aluminium ingot, aluminium silicon master alloy and technical grade magnesium ingot by above-mentioned prescription batching by melt → stir and skim → cover → spray refining → skim in shove charge → 780-800 ℃ of temperature of its content batching and cover → ingot casting that carries out continuous casting in static insulation → 720-740 ℃ temperature is standby.
B. extruding and thermal treatment: (Heating temperature is 450-550 ℃ with above-mentioned a operation gained ingot homogenization (510-550 ℃ insulation 5-10 hour) → air cooling → ingot casting and mold heated, be incubated 2-4 hour) → extruding (350-450 ℃ of container preheating temperature) → cut-out → tension leveling → artificial aging processing (aging temp 180-220 ℃, soaking time 2-6 hour) → finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910059144A CN101545064A (en) | 2009-04-30 | 2009-04-30 | Wrought aluminum alloy for thin-wall architectural section |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206776A (en) * | 2011-05-25 | 2011-10-05 | 登封市银河铝箔有限公司 | Honeycomb aluminium foil material |
| CN102286683A (en) * | 2011-08-12 | 2011-12-21 | 宁波德精机械有限公司 | Aluminum alloy material and preparation method thereof |
| CN102397900A (en) * | 2010-09-09 | 2012-04-04 | 无锡鸿声铝业有限公司 | Operation box socket crossbeam aluminum profile production technology |
| CN102397899A (en) * | 2010-09-09 | 2012-04-04 | 无锡鸿声铝业有限公司 | Production technology of connecting rod aluminium section |
| CN103103410A (en) * | 2012-12-11 | 2013-05-15 | 龙口市丛林铝材有限公司 | Aluminum alloy deformed by extrusion |
| CN103205613A (en) * | 2013-03-27 | 2013-07-17 | 成都阳光铝制品有限公司 | Automotive body aluminum alloy plate production process |
| CN104630579A (en) * | 2015-02-09 | 2015-05-20 | 苏州市神龙门窗有限公司 | Aluminum alloy material for doors and windows and preparation process thereof |
| CN104694798A (en) * | 2013-12-10 | 2015-06-10 | 台山市金桥铝型材厂有限公司 | Method for producing aluminum profile |
| CN107739909A (en) * | 2017-09-07 | 2018-02-27 | 上海友升铝业有限公司 | A kind of processing technology of 6063 aluminium alloy energy-absorption box |
| CN109136682A (en) * | 2018-09-21 | 2019-01-04 | 广亚铝业有限公司 | A kind of production technology for casting improving aluminium alloy extrusions oxidation striped |
| CN112210682A (en) * | 2020-10-09 | 2021-01-12 | 美图（福建）铝业有限公司 | Manufacturing method and die of industrial ultra-high aluminum alloy profile with width-thickness ratio |
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2009
- 2009-04-30 CN CN200910059144A patent/CN101545064A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397900A (en) * | 2010-09-09 | 2012-04-04 | 无锡鸿声铝业有限公司 | Operation box socket crossbeam aluminum profile production technology |
| CN102397899A (en) * | 2010-09-09 | 2012-04-04 | 无锡鸿声铝业有限公司 | Production technology of connecting rod aluminium section |
| CN102206776B (en) * | 2011-05-25 | 2012-09-12 | 登封市银河铝箔有限公司 | Honeycomb aluminium foil material |
| CN102206776A (en) * | 2011-05-25 | 2011-10-05 | 登封市银河铝箔有限公司 | Honeycomb aluminium foil material |
| CN102286683B (en) * | 2011-08-12 | 2013-10-02 | 宁波德精铝业科技有限公司 | Aluminum alloy material and preparation method thereof |
| CN102286683A (en) * | 2011-08-12 | 2011-12-21 | 宁波德精机械有限公司 | Aluminum alloy material and preparation method thereof |
| CN103103410A (en) * | 2012-12-11 | 2013-05-15 | 龙口市丛林铝材有限公司 | Aluminum alloy deformed by extrusion |
| CN103205613A (en) * | 2013-03-27 | 2013-07-17 | 成都阳光铝制品有限公司 | Automotive body aluminum alloy plate production process |
| CN103205613B (en) * | 2013-03-27 | 2015-04-08 | 成都阳光铝制品有限公司 | Automotive body aluminum alloy plate production process |
| CN104694798A (en) * | 2013-12-10 | 2015-06-10 | 台山市金桥铝型材厂有限公司 | Method for producing aluminum profile |
| CN104694798B (en) * | 2013-12-10 | 2016-12-07 | 台山市金桥铝型材厂有限公司 | A kind of production method of aluminium section bar |
| CN104630579A (en) * | 2015-02-09 | 2015-05-20 | 苏州市神龙门窗有限公司 | Aluminum alloy material for doors and windows and preparation process thereof |
| CN107739909A (en) * | 2017-09-07 | 2018-02-27 | 上海友升铝业有限公司 | A kind of processing technology of 6063 aluminium alloy energy-absorption box |
| CN109136682A (en) * | 2018-09-21 | 2019-01-04 | 广亚铝业有限公司 | A kind of production technology for casting improving aluminium alloy extrusions oxidation striped |
| CN112210682A (en) * | 2020-10-09 | 2021-01-12 | 美图（福建）铝业有限公司 | Manufacturing method and die of industrial ultra-high aluminum alloy profile with width-thickness ratio |
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