CN103469129A - Aging heat treatment method of 2219 aluminum alloy - Google Patents
Aging heat treatment method of 2219 aluminum alloy Download PDFInfo
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- CN103469129A CN103469129A CN201310388626XA CN201310388626A CN103469129A CN 103469129 A CN103469129 A CN 103469129A CN 201310388626X A CN201310388626X A CN 201310388626XA CN 201310388626 A CN201310388626 A CN 201310388626A CN 103469129 A CN103469129 A CN 103469129A
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Abstract
The invention discloses an aging heat treatment method of 2219 aluminum alloy, and belongs to the field of aluminum alloy heat treatment technology. The method comprises the following steps of: performing solid solution treatment to 2219 aluminum alloy for 5-40 minutes under the condition of 515 DEG C to 565 DEG C by adopting a T6 heat treatment method, then quenching in water for 5 minutes at room temperature, wherein the quenching transfer time is less than 10 seconds; finally, performing aging treatment for 1 to 21 hours at the temperature of 160 DEG C to 190 DEG C. The aging heat treatment method has the following advantages that the influence of heat treatment parameters on the mechanical performance of 2219 aluminum alloy is systematically researched by adopting a method of controlling variables, so that when the alloy is subjected to 40-minute solid solution at 535 DEG C and 12-hour aging at 175 DEG C, the mechanical performance of the alloy can be improved, and the application range of the aluminum alloy in the industrial field can be widened to a greater extent.
Description
Technical field
The present invention relates to a kind of ageing hot processing method of 2219 aluminium alloys, belong to the aluminum alloy heat processing technology field.
Background technology
Aluminium alloy is the light-weighted preferred material of aircraft and spacecraft, wherein, that be most widely used is 2000(Al-Cu) be and 7000(Al-Zn-Mg-Cu) line aluminium alloy, heat-treatable strengthened aluminum alloy (light alloy processing technology all belonged to, 2005,33 (8): 13-17).The working temperature of Rocket tank is lower, and this just requires it must have good mechanical property and weldability (guided missile and carrying space technology, 2001,69 (254): 32-46).The current majority of China still adopts the 2A14 aluminium alloy, although this kind of aluminium alloy has the advantages such as intensity is high, heat resistance good, machinability is good, its solidity to corrosion is not high, and welding property is poor.But it is poor that 2219 aluminium alloys have good high cryogenic mechanics performance, fracture toughness property anti-stress corrosion performance and welding property, so China has adopted weldability 2219 aluminum alloy materials preferably on the tank of launch vehicle of new generation comprehensively.But, China is goed deep into and system not enough to the understanding of its performance and heat treatment technics at present, its fundamental property is mainly rested on to the content of introducing in the material handbook, therefore lack effective theoretical foundation and data accumulation, urgently the thermal treatment process of 2219 aluminium alloys, distortion etc. are carried out to the deep research of system to the impact of its microstructure and performance.
It is heat-treatable strengthened aluminum alloy that 2219 aluminium alloys belong to Al-Cu bis-.Heat treatment process mainly comprises solution heat treatment and timeliness thermal treatment.This kind of aluminium alloy is by ag(e)ing process, and θ 〞 and this precipitated phase of θ ＇ are separated out and reached strengthening effect in the α aluminum substrate.Generally by the method for T6 thermal treatment and mechanical thermal processing (TMT), improve the mechanical property of heat-treatable strengthened aluminum alloy.Also few for the Study of Heat Treatment of 2219 aluminium alloys at present, major part concentrates in the research to its friction stir welding, but the research and comparison to other serial heat-treatable strengthened aluminum alloy is many, research is found: solid solubility temperature, solution time, quenching shift time, aging temp, aging time, solid solution number of times and timeliness number of times all have a significant effect to microtexture and the mechanical property of aluminium alloy.(the Trans. Nonferrous Met. Soc. China. such as AN Li-hui, 2012,370 (75)) studied the impact of predeformation on 2219 aluminum alloy plate materials microtextures and mechanical property by mechanical heat-treating methods, research shows, along with the increase of predeformation amount, the tensile strength of material (
σ b)and yield strength (
σ s) first increase afterwards and diminish, when being 1.63%, predeformation amount reaches the maximum tensile strength and yield strength, be respectively 387.96MPa and 288.62MPa, and unit elongation now is greater than 16%.(the J. Applied Sci. such as M.Rafi Raza, 2011,1857(61)) by by alloy solid solution 48 minutes under the condition of 535 ° of C, then respectively at 210 ° of C, 230 ° of C and 240 ° of C timeliness different times, studied the impact on 2219 aluminium alloy microtextures and mechanical property of aging temp and aging time, research shows that tensile strength that aging temp is material under 210 ° of C aging times condition that is 4 hours and hardness reach maximum and is respectively 410.9 MPa and 113.76 HV.Tensile property and hardness value through resulting 2219 aluminium alloys of aforesaid method are all lower, therefore in industrial range of application, have been subject to certain limitation.
Summary of the invention
The object of the invention is to provide the heat treating method of a kind of raising 2219 intensity of aluminum alloy, and the method can improve the intensity of this alloy and have plasticity preferably.
To achieve these goals, the present invention by the following technical solutions, a kind of heat treating method of 2219 intensity of aluminum alloy,
The percentage composition of described 2219 al alloy components is: Si 0.2%, and Fe 0.3%, and Cu 5.8% ~ 6.8%, and Mn 0.2 ~ 0.4%, Mg 0.02%, and V 0.05% ~ 0.15%, and Ti 0.02% ~ 0.1%, and Zn 0.1%, Zr 0.1% ~ 0.25%, and all the other are Al, it is characterized in that comprising following process:
Adopt the T6 heat-treating methods, by the solution treatment 5 ~ 40 minutes under ° C condition of 515 ° of C ~ 565 of this 2219 aluminium alloy, then quenching-in water 5min at room temperature, wherein quenching shift time is less than 10 seconds, finally ageing treatment 1 ~ 21 hour at ° C temperature of 160 ° of C ~ 190.
The present invention has the following advantages: the present invention is by controlled variable (solid solubility temperature, solution time, aging temp, aging time) method systematic study solid solubility temperature, solution time, the impact on 2219 Mechanical Properties of Aluminum Alloys and microtexture of aging temp and aging time, not only solved the problem of 2219 aluminium alloy database deficiencies but also compared with the prior art, the present invention is owing to having adopted technique scheme, make this alloy at 535 ° of C temperature at solid solution 40min and 175 ° of C temperature during timeliness 12h, a large amount of rich copper precipitated phases in ag(e)ing process from matrix disperse educt, the hardness of this alloy, tensile strength, yield strength, unit elongation reaches respectively: 153HV, 432MPa, 310MPa, 22%.The heat treating method of aluminium alloy provided by the invention has improved intensity and the hardness of 2219 aluminium alloys.Therefore enlarged the range of application of this kind of aluminium alloy at industrial circle.
The accompanying drawing explanation
The changes in hardness graphic representation that Fig. 1 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 1.
The mechanical property change curve that Fig. 2 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 1.
The changes in hardness graphic representation that Fig. 3 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 2.
The mechanical property change curve that Fig. 4 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 2.
The changes in hardness graphic representation that Fig. 5 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 3.
The mechanical property change curve that Fig. 6 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 3.
The changes in hardness graphic representation that Fig. 7 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 4.
The mechanical property change curve that Fig. 8 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 4.
The changes in hardness graphic representation that Fig. 9 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 5.
The mechanical property change curve that Figure 10 is resulting 2219 aluminum alloy materials in the embodiment of the present invention 5.
Embodiment
Embodiment 1
Testing 2219 Aluminium Alloy Plates used is provided by Tianjin space flight Long March launch vehicle Manufacturing Co., Ltd, and sheet material is as-annealed condition, and sheet gauge is 7 mm.The block that the hardness sample is 10mm * 10mm, thickness is 7mm.Tension specimen is according to GB/G 228-2002 " Tensile Testing Method of Metallic Materials " processing formulation.Get every group of sample of six groups of samples and get two hardness samples and two tension specimens, and measure-alike.Solution treatment 30 min under 515 ° of C, 525 ° of C, 535 ° of C, 540 ° of C, 545 ° of C and 565 ℃ of conditions respectively, then by the sample quenching-in water 5min at room temperature after processing under each solid solubility temperature, wherein quenching shift time is less than 10 seconds, finally by sample ageing treatment 15 h in the baking oven of 175 ° of C, then by the sample air cooling.Sample is carried out to metallographic structure analysis: the model of opticmicroscope used is OLYMPUS DP12; Hardness test: the model of micro Vickers used is Everone MH-6; The tensile property test: the model of electronic universal tester used is CSS-44100.Hardness, tensile strength are as shown in Figure 1 and Figure 2.
Get every group of sample of six groups of samples and get two hardness samples and two tension specimens, specimen size is identical with embodiment mono-.Five groups of samples are carried out to solution treatment with 5,10,20,30,40 min respectively under 535 ° of C, then quenching-in water 5min at room temperature, wherein quenching shift time is less than 10 seconds, finally by sample ageing treatment 15 h in the baking oven of 175 ° of C, then by the sample air cooling.Sample is carried out to metallographic structure analysis, hardness and tensile property test, the model of used test instrument is identical with embodiment mono-.Hardness and tensile strength are as shown in Figure 3, Figure 4.
Embodiment 3
Get every group of sample of nine groups of samples and get two hardness samples and two tension specimens, specimen size is identical with embodiment mono-.By nine groups of samples solution treatment 40min under 535 ° of C, then quenching-in water 5min at room temperature, wherein quenching shift time is less than 10 seconds, finally nine groups of hardness and tension specimen are distinguished to timeliness 0h, 3h, 6h, 9h, 12h, 15h, 18h, 21h, 24h in the baking oven of 160 ° of C, then by the sample air cooling.Sample is carried out to metallographic structure analysis, hardness and tensile property test, the model of used test instrument is identical with embodiment mono-.Hardness and tensile strength are as shown in Figure 5, Figure 6.
Get every group of sample of ten groups of samples and get two hardness samples and two tension specimens, specimen size is identical with embodiment mono-.By ten groups of samples solution treatment 40min under 535 ° of C, then quenching-in water 5min at room temperature, wherein quenching shift time is less than 10 seconds, finally ten groups of hardness and tension specimen are distinguished to timeliness 0h, 1h, 2h, 3h, 6h, 9h, 12h, 15h, 18h, 21h in the baking oven of 175 ° of C, then by the sample air cooling.Sample is carried out to metallographic structure analysis, hardness and tensile property test, the model of used test instrument is identical with embodiment mono-.Hardness and tensile strength are as shown in Figure 7, Figure 8.
Embodiment five
Get every group of sample of eight groups of samples and get two hardness samples and two tension specimens, specimen size is identical with embodiment mono-.By eight groups of samples solution treatment 40min under 535 ° of C, then quenching-in water 5min at room temperature, wherein quenching shift time is less than 10 seconds, finally eight groups of hardness and tension specimen are distinguished to timeliness 0h, 20min, 40min, 2h, 4h, 6h, 8h, 10h in the baking oven of 190 ℃, then by the sample air cooling.Sample is carried out to metallographic structure analysis, hardness and tensile property test, the model of used test instrument is identical with embodiment mono-.Hardness and tensile strength are as shown in Figure 9, Figure 10.
Claims (1)
1. the heat treating method of an intensity of aluminum alloy, the percentage composition of described 2219 al alloy components is: Si 0.2%, Fe 0.3%, Cu 5.8% ~ 6.8%, Mn 0.2 ~ 0.4%, Mg 0.02%, V 0.05% ~ 0.15%, Ti 0.02% ~ 0.1%, Zn 0.1%, Zr 0.1% ~ 0.25%, all the other are Al, it is characterized in that comprising following process: adopt the T6 heat-treating methods, by the solution treatment 5 ~ 40 minutes under ° C condition of 515 ° of C ~ 565 of this 2219 aluminium alloy, then quenching-in water 5min at room temperature, wherein quenching shift time is less than 10 seconds, last ageing treatment 1 ~ 21 hour at ° C temperature of 160 ° of C ~ 190.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479119A (en) * | 2016-01-06 | 2016-04-13 | 天津航天长征火箭制造有限公司 | Forming process of 5M-grade storage tank spherical melon petal |
| CN105734470A (en) * | 2016-03-31 | 2016-07-06 | 哈尔滨工业大学 | Thermal treatment method for as-deposited 2219 aluminum alloy |
| CN105861968A (en) * | 2016-03-30 | 2016-08-17 | 中南大学 | Method for improving mechanical property of Al-Cu-series high-strength aluminum alloy ring pieces |
| CN106670302A (en) * | 2015-11-05 | 2017-05-17 | 首都航天机械公司 | Stretching forming method for spherical long melon petal-shaped parts |
| CN107236917A (en) * | 2017-07-04 | 2017-10-10 | 江苏理工学院 | A kind of aluminium alloy wrought heat treatment method |
| CN109852911A (en) * | 2019-01-16 | 2019-06-07 | 中南大学 | A kind of heat treatment process improving Al-Cu alloy rotary extrusion of thin-wall part mechanical property |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649433A (en) * | 2009-07-10 | 2010-02-17 | 西南铝业（集团）有限责任公司 | Method for processing aluminum alloy plates |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649433A (en) * | 2009-07-10 | 2010-02-17 | 西南铝业（集团）有限责任公司 | Method for processing aluminum alloy plates |
Non-Patent Citations (2)
| Title |
|---|
| AN LI-HUI ET AL: "Effect or pre-deformation on microstructure and mechanical properties of 2219 aluminum alloy sheet by thermomechanical treatment", 《TRANSACTION OF NONFERROUS METALS SOCIETY OF CHINA》 * |
| 中国机械工程学会热处理学会: "《热处理手册 第1卷 工艺基础》", 31 January 2008 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670302A (en) * | 2015-11-05 | 2017-05-17 | 首都航天机械公司 | Stretching forming method for spherical long melon petal-shaped parts |
| CN105479119A (en) * | 2016-01-06 | 2016-04-13 | 天津航天长征火箭制造有限公司 | Forming process of 5M-grade storage tank spherical melon petal |
| CN105861968A (en) * | 2016-03-30 | 2016-08-17 | 中南大学 | Method for improving mechanical property of Al-Cu-series high-strength aluminum alloy ring pieces |
| CN105734470A (en) * | 2016-03-31 | 2016-07-06 | 哈尔滨工业大学 | Thermal treatment method for as-deposited 2219 aluminum alloy |
| CN107236917A (en) * | 2017-07-04 | 2017-10-10 | 江苏理工学院 | A kind of aluminium alloy wrought heat treatment method |
| CN107236917B (en) * | 2017-07-04 | 2019-02-19 | 江苏理工学院 | A kind of aluminium alloy wrought heat treatment method |
| CN109852911A (en) * | 2019-01-16 | 2019-06-07 | 中南大学 | A kind of heat treatment process improving Al-Cu alloy rotary extrusion of thin-wall part mechanical property |
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Application publication date: 20131225 |