CN103993206A - Printing aluminum alloy section bar and preparation method thereof - Google Patents
Printing aluminum alloy section bar and preparation method thereof Download PDFInfo
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- CN103993206A CN103993206A CN201410152268.7A CN201410152268A CN103993206A CN 103993206 A CN103993206 A CN 103993206A CN 201410152268 A CN201410152268 A CN 201410152268A CN 103993206 A CN103993206 A CN 103993206A
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Abstract
The invention discloses a printing aluminum alloy section bar and a preparation method thereof. The printing aluminum alloy section bar comprises, by mass, 0.05-0.2% of Si, 0.03-0.06% of Cu, 0.4-0.8% of Mg, 0.10% or less of Zn, 0.05-0.15% of Mn, 0.10% or less of Ti, 0.1-0.2% of Ni, 0.15-0.35% of Fe, 0.06-0.12% of Cd, 0.04-0.08% of Te, 0.02-0.05% of Pr, and the balance Al. The aluminum alloy section bar has the advantages of excellent comprehensive properties, high strength, high impact toughness, good plasticity, extremely good welding performance and processability, good corrosion resistance and no stress corrosion cracking tendency, and can be widely used for making PS plates, screen frames, guide rollers, sheet transfer swing arms, roller skeletons and the like.
Description
Technical field
the present invention relates to a kind of printing aluminium alloy extrusions and preparation method thereof, belong to aluminum alloy materials field.
Background technology
Aluminium alloy density is low, but strength ratio is higher, approaches or exceedes high-quality steel, and plasticity is good, is easy to processing, can be made into various section bars, has good mechanical property, physicals and corrosion resistance.Aluminium alloy extrusions is widely used in aerospace, communications and transportation, machinofacture, construction and decoration, Printing industry etc., is a kind of important non-ferrous metal structured material.Along with the develop rapidly of science and technology and industrial economy, Printing industry improves day by day to the requirement of aluminium alloy over-all properties, requires aluminium alloy extrusions not only to have higher physical strength, and has good erosion resistance, fatigue resistance.
Summary of the invention
The object of the present invention is to provide printing aluminium alloy extrusions of a kind of excellent combination property and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of printing aluminium alloy extrusions, by mass percent than this alloy composition be: Si 0.05-0.2, Cu 0.03-0.06, Mg 0.4-0.8, Zn≤0.10, Mn 0.05-0.15, Ti≤0.10, Ni 0.1-0.2, Fe 0.15-0.35, Cd 0.06-0.12, Te 0.04-0.08, Pr 0.02-0.05, surplus is Al.
The present invention prints the preparation method with aluminium alloy extrusions, comprises the following steps:
(1) calculate and take furnace charge by formulation ratio, get aluminium ingot and add heat fused in smelting furnace, in the time that melt temperature reaches 705-725 DEG C, add successively Al-5wt%Mg master alloy, Al-1wt%Cd master alloy, the follow-up continuous 720-740 DEG C that is warming up to stirs, add successively Al-2wt%Mn master alloy, Al-3wt%Ni master alloy, Al-0.5wt%Te master alloy, after furnace charge all melts, stir 15-20min, make composition even, adjust temperature to 715-735 DEG C, by nitrogen, refining agent is blown into liquation face 2/3 place and carries out refining, refining agent consumption is the 1-2% of solution weight, after refining 15-20min, skim, leave standstill 10-15min, adjust temperature to 710-730 DEG C, add other surplus element alloying constituent, stir after 15-20min, sampling analysis, it is qualified to be adjusted to, the logical 70%N taking gas flow as 1-2L/min
2+ 30%Cl
2mixed gas refinery by de-gassing 15-20min, skims, and is warming up to 725-745 DEG C, the cast of can coming out of the stove after the standing 15-20min of insulation, and teeming temperature is 650-680 DEG C,
(2) strand step (1) being obtained joins in smelting furnace, be heated to 700-720 DEG C, after it melts completely, after stirring 20-25min, carry out sampling analysis for the second time, then adjust temperature to 695-715 DEG C, the logical 80%Cl taking gas flow as 1.6-2.2L/min
2+ 20%CO mixed gas refinery by de-gassing 10-15min, leaves standstill 15-20min after skimming, both analysis is carried out in sampling, and analytical results meets alloying constituent and requires to come out of the stove cast, and teeming temperature is 660-690 DEG C;
(3) remelting strand step (2) being obtained carries out homogenizing processing in homogenizing processing stove: first at 250-300 DEG C, be incubated 2-4h, water-cooled is to room temperature, at 320-360 DEG C, be incubated 3-5h again, slowly be warming up to 450-480 DEG C, insulation 5-10h, then strong wind cooling, to 150-200 DEG C, is incubated 1-2h, and air cooling is to room temperature;
(4) by the strand extrusion molding after homogenizing, extrusion temperature is 490-510 DEG C, and extruding rate is 15-20m/min, then the section bar of extruding is adopted to online air-cooled or water smoke Cooling Quenching, carries out tension leveling after quenching, and tensile deformation amount is 1-2%;
(5) aluminium alloy extrusions after tension leveling is carried out to ageing treatment: first at 65-75 DEG C, be incubated 5-10h, be then warming up to 120-130 DEG C, insulation 10-15h, air cooling is to room temperature, then is incubated 0.5-1h at 150-180 DEG C, is then cooled to 80-90 DEG C, insulation 8-12h, the air cooling of coming out of the stove is to room temperature.
Described refining agent by following weight part component form: SODIUMNITRATE 18-24, fluoric acid titanium potassium 5-10, Repone K 33-41, zinc chloride 15-20, sodium sulfate 3-8, phosphorus pentachloride 10-15, Sodium tetrafluoroborate 12-18, aluminum fluoride 8-14, calcium carbonate 16-22, wood charcoal powder 10-15.
Beneficial effect of the present invention:
Aluminium alloy extrusions excellent combination property of the present invention, intensity is high, and impelling strength is high, plasticity is good, and welding property and processing characteristics are splendid, good corrosion resistance, stress-free corrosion tearing tendency, can be widely used in printing aluminium section bars such as making PS version, screen frame, guide roller, transfer swing arm, cylinder skeleton.
Embodiment
?embodiment
A kind of printing aluminium alloy extrusions, by mass percent than this alloy composition be: Si 0.05-0.2, Cu 0.03-0.06, Mg 0.4-0.8, Zn≤0.10, Mn 0.05-0.15, Ti≤0.10, Ni 0.1-0.2, Fe 0.15-0.35, Cd 0.06-0.12, Te 0.04-0.08, Pr 0.02-0.05, surplus is Al.
The preparation method of aluminium alloy extrusions for printing, comprises the following steps:
(1) calculate and take furnace charge by formulation ratio, get aluminium ingot and add heat fused in smelting furnace, in the time that melt temperature reaches 715 DEG C, add successively Al-5wt%Mg master alloy, Al-1wt%Cd master alloy, stir and follow-up continuing be warming up to 730 DEG C, add successively Al-2wt%Mn master alloy, Al-3wt%Ni master alloy, Al-0.5wt%Te master alloy, after furnace charge all melts, stir 15min, make composition even, adjust temperature to 725 DEG C, by nitrogen, refining agent is blown into liquation face 2/3 place and carries out refining, refining agent consumption is 1.5% of solution weight, after refining 20min, skim, leave standstill 15min, adjust temperature to 720 DEG C, add other surplus element alloying constituent, stir after 15-20min, sampling analysis, it is qualified to be adjusted to, the logical 70%N taking gas flow as 1.5L/min
2+ 30%Cl
2mixed gas refinery by de-gassing 20min, skims, and is warming up to 735 DEG C, the cast of can coming out of the stove after the standing 15min of insulation, and teeming temperature is 660 DEG C,
(2) strand step (1) being obtained joins in smelting furnace, is heated to 710 DEG C, after it melts completely, after stirring 25min, carries out sampling analysis for the second time, then adjusts temperature to 705 DEG C, the logical 80%Cl taking gas flow as 1.8L/min
2+ 20%CO mixed gas refinery by de-gassing 10min, leaves standstill 20min after skimming, both analysis is carried out in sampling, and analytical results meets alloying constituent and requires to come out of the stove cast, and teeming temperature is 680 DEG C;
(3) remelting strand step (2) being obtained is processed and is carried out homogenizing processing in stove in homogenizing: first at 280 DEG C, be incubated 3h, water-cooled is to room temperature, then is incubated 4h at 350 DEG C, slowly be warming up to 460 DEG C, insulation 8h, then strong wind cooling to 180 DEG C, insulation 1h, air cooling is to room temperature;
(4) by the strand extrusion molding after homogenizing, extrusion temperature is 505 DEG C, and extruding rate is 18m/min, then the section bar of extruding is adopted to online air-cooled or water smoke Cooling Quenching, carries out tension leveling after quenching, and tensile deformation amount is 1.5%;
(5) aluminium alloy extrusions after tension leveling is carried out to ageing treatment: first at 70 DEG C, be incubated 8h, be then warming up to 120 DEG C, insulation 15h, air cooling is to room temperature, then is incubated 1h at 160 DEG C, is then cooled to 85 DEG C, insulation 10h, the air cooling of coming out of the stove is to room temperature.
Described refining agent by following weight part component form: SODIUMNITRATE 22, fluoric acid titanium potassium 8, Repone K 37, zinc chloride 18, sodium sulfate 5, phosphorus pentachloride 12, Sodium tetrafluoroborate 16, aluminum fluoride 12, calcium carbonate 18, wood charcoal powder 15.
Through inspection, the salient features of gained aluminium alloy extrusions is: tensile strength 504MPa, yield strength 473MPa, elongation 12.6%.
Claims (3)
1. a printing aluminium alloy extrusions, it is characterized in that, by mass percent than this alloy composition be: Si 0.05-0.2, Cu 0.03-0.06, Mg 0.4-0.8, Zn≤0.10, Mn 0.05-0.15, Ti≤0.10, Ni 0.1-0.2, Fe 0.15-0.35, Cd 0.06-0.12, Te 0.04-0.08, Pr 0.02-0.05, surplus is Al.
2. the preparation method of aluminium alloy extrusions for printing as claimed in claim 1, is characterized in that comprising the following steps:
(1) calculate and take furnace charge by formulation ratio, get aluminium ingot and add heat fused in smelting furnace, in the time that melt temperature reaches 705-725 DEG C, add successively Al-5wt%Mg master alloy, Al-1wt%Cd master alloy, the follow-up continuous 720-740 DEG C that is warming up to stirs, add successively Al-2wt%Mn master alloy, Al-3wt%Ni master alloy, Al-0.5wt%Te master alloy, after furnace charge all melts, stir 15-20min, make composition even, adjust temperature to 715-735 DEG C, by nitrogen, refining agent is blown into liquation face 2/3 place and carries out refining, refining agent consumption is the 1-2% of solution weight, after refining 15-20min, skim, leave standstill 10-15min, adjust temperature to 710-730 DEG C, add other surplus element alloying constituent, stir after 15-20min, sampling analysis, it is qualified to be adjusted to, the logical 70%N taking gas flow as 1-2L/min
2+ 30%Cl
2mixed gas refinery by de-gassing 15-20min, skims, and is warming up to 725-745 DEG C, the cast of can coming out of the stove after the standing 15-20min of insulation, and teeming temperature is 650-680 DEG C,
(2) strand step (1) being obtained joins in smelting furnace, be heated to 700-720 DEG C, after it melts completely, after stirring 20-25min, carry out sampling analysis for the second time, then adjust temperature to 695-715 DEG C, the logical 80%Cl taking gas flow as 1.6-2.2L/min
2+ 20%CO mixed gas refinery by de-gassing 10-15min, leaves standstill 15-20min after skimming, both analysis is carried out in sampling, and analytical results meets alloying constituent and requires to come out of the stove cast, and teeming temperature is 660-690 DEG C;
(3) remelting strand step (2) being obtained carries out homogenizing processing in homogenizing processing stove: first at 250-300 DEG C, be incubated 2-4h, water-cooled is to room temperature, at 320-360 DEG C, be incubated 3-5h again, slowly be warming up to 450-480 DEG C, insulation 5-10h, then strong wind cooling, to 150-200 DEG C, is incubated 1-2h, and air cooling is to room temperature;
(4) by the strand extrusion molding after homogenizing, extrusion temperature is 490-510 DEG C, and extruding rate is 15-20m/min, then the section bar of extruding is adopted to online air-cooled or water smoke Cooling Quenching, carries out tension leveling after quenching, and tensile deformation amount is 1-2%;
(5) aluminium alloy extrusions after tension leveling is carried out to ageing treatment: first at 65-75 DEG C, be incubated 5-10h, be then warming up to 120-130 DEG C, insulation 10-15h, air cooling is to room temperature, then is incubated 0.5-1h at 150-180 DEG C, is then cooled to 80-90 DEG C, insulation 8-12h, the air cooling of coming out of the stove is to room temperature.
3. the preparation method of aluminium alloy extrusions for printing according to claim 2, it is characterized in that, described refining agent by following weight part component form: SODIUMNITRATE 18-24, fluoric acid titanium potassium 5-10, Repone K 33-41, zinc chloride 15-20, sodium sulfate 3-8, phosphorus pentachloride 10-15, Sodium tetrafluoroborate 12-18, aluminum fluoride 8-14, calcium carbonate 16-22, wood charcoal powder 10-15.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410152268.7A CN103993206B (en) | 2014-04-16 | 2014-04-16 | A kind of aluminium alloy extrusions and preparation method thereof for printing |
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|---|---|---|---|
| CN201410152268.7A CN103993206B (en) | 2014-04-16 | 2014-04-16 | A kind of aluminium alloy extrusions and preparation method thereof for printing |
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| CN103993206A true CN103993206A (en) | 2014-08-20 |
| CN103993206B CN103993206B (en) | 2016-05-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913955A (en) * | 2018-08-02 | 2018-11-30 | 江苏宏基铝业科技股份有限公司 | A kind of high-strength aluminum profile and its preparation process |
| CN109277428A (en) * | 2018-10-15 | 2019-01-29 | 威海海鑫新材料有限公司 | A kind of composite print wiring board aluminum plate foundation band and its preparation process |
| CN111560548A (en) * | 2020-06-01 | 2020-08-21 | 凯米特新材料科技有限公司 | High-precision high-strength light aluminum alloy section for high-speed rail and preparation method thereof |
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| WO2000006788A1 (en) * | 1998-07-29 | 2000-02-10 | Miba Gleitlager Aktiengesellschaft | Intermediate layer, notably binding layer, made of an alloy on aluminium basis |
| CN1388009A (en) * | 2001-05-30 | 2003-01-01 | 富士胶片株式会社 | Supporting body for lithographic printing plate and lithographic printing plate originals |
| CA2454509A1 (en) * | 2001-07-25 | 2003-02-06 | Showa Denko K.K. | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| US20030124364A1 (en) * | 2001-09-12 | 2003-07-03 | Hirokazu Sawada | Support for lithographic printing plate and presensitized plate |
| WO2006118349A1 (en) * | 2005-04-28 | 2006-11-09 | Showa Denko K.K. | Clad member and printed-circuit board |
| US20100200205A1 (en) * | 2007-07-27 | 2010-08-12 | Alcan Rhenalu | EXTRUDED PRODUCT MADE FROM ALUMINIUM ALLOY Al-Mg-Si WITH IMPROVED RESISTANCE TO CORROSION |
| CN102119231A (en) * | 2008-08-28 | 2011-07-06 | 株式会社神户制钢所 | High-strength aluminum alloy plate for lithographic plate and manufacturing method therefor |
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2014
- 2014-04-16 CN CN201410152268.7A patent/CN103993206B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000006788A1 (en) * | 1998-07-29 | 2000-02-10 | Miba Gleitlager Aktiengesellschaft | Intermediate layer, notably binding layer, made of an alloy on aluminium basis |
| CN1388009A (en) * | 2001-05-30 | 2003-01-01 | 富士胶片株式会社 | Supporting body for lithographic printing plate and lithographic printing plate originals |
| CA2454509A1 (en) * | 2001-07-25 | 2003-02-06 | Showa Denko K.K. | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| US20030124364A1 (en) * | 2001-09-12 | 2003-07-03 | Hirokazu Sawada | Support for lithographic printing plate and presensitized plate |
| WO2006118349A1 (en) * | 2005-04-28 | 2006-11-09 | Showa Denko K.K. | Clad member and printed-circuit board |
| US20100200205A1 (en) * | 2007-07-27 | 2010-08-12 | Alcan Rhenalu | EXTRUDED PRODUCT MADE FROM ALUMINIUM ALLOY Al-Mg-Si WITH IMPROVED RESISTANCE TO CORROSION |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913955A (en) * | 2018-08-02 | 2018-11-30 | 江苏宏基铝业科技股份有限公司 | A kind of high-strength aluminum profile and its preparation process |
| CN109277428A (en) * | 2018-10-15 | 2019-01-29 | 威海海鑫新材料有限公司 | A kind of composite print wiring board aluminum plate foundation band and its preparation process |
| CN109277428B (en) * | 2018-10-15 | 2020-07-14 | 威海海鑫新材料有限公司 | Composite printed circuit board aluminum substrate strip and preparation process thereof |
| CN111560548A (en) * | 2020-06-01 | 2020-08-21 | 凯米特新材料科技有限公司 | High-precision high-strength light aluminum alloy section for high-speed rail and preparation method thereof |
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| CN103993206B (en) | 2016-05-25 |
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