CN105951009A - Heat treatment technology for aluminum alloy - Google Patents
Heat treatment technology for aluminum alloy Download PDFInfo
- Publication number
- CN105951009A CN105951009A CN201610424265.3A CN201610424265A CN105951009A CN 105951009 A CN105951009 A CN 105951009A CN 201610424265 A CN201610424265 A CN 201610424265A CN 105951009 A CN105951009 A CN 105951009A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- alloy
- technology
- aluminum alloy
- treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Conductive Materials (AREA)
Abstract
The invention provides a heat treatment technology for an aluminum alloy. The technology comprises the steps that an aluminum alloy workpiece is preheated; then, the aluminum alloy workpiece is rapidly cooled at the rate of 60 DEG C/sec-80 DEGC/sec; the aluminum alloy workpiece is subjected to solid solution treatment at the temperature of 500 DEG C to 515 DEG C; then, the workpiece is taken out to be subjected to cold quenching treatment; the aluminum alloy workpiece subjected to water quenching is placed in a heating furnace and subjected to aging treatment for 5-8 h, and the temperature of the final aging ranges from 200 DEG C to 220 DEG C; and artificial aging is conducted for 48-60 h, and air cooling is conducted to the room temperature. Before aging treatment, pre-aging treatment needs to be conducted, and the pre-aging temperature ranges from 120 DEG C to 150 DEG C. According to the technical scheme, the heat treatment time is moderate, operation is simple and easy to implement, heat energy consumption is low, and the producing and manufacturing cost of the aluminum alloy is reduced. The corrosion resistance of the aluminum alloy is enhanced, the size stability of the obtained workpiece is good, and certain ductility and good mechanical performance are achieved.
Description
Technical field
The present invention relates to aluminum alloy heat processing technique field, especially relate to the Technology for Heating Processing of a kind of aluminium alloy.
Background technology
Along with the fast development of aeronautical and space technology, the requirement to material property is more and more higher, and reduces construction weight
It it is one of main method improving aerospace craft performance.Wherein lightweight is often from the tensile strength of raising material,
Elastic modelling quantity or anti-crack are expanded performance and are set about.Aluminium alloy has low-density, high specific strength, good one-tenth
Type and a series of advantage such as corrosion resistance, low cost, have a wide range of applications in Aero-Space and industrial circle.
Aluminium alloy is carried out heat treatment, the mechanical property of aluminium alloy can be improved, strengthen decay resistance, improve processing
Performance, it is thus achieved that the stability of size.The occasion of aluminum alloy material is used, it is desirable to aluminium alloy has good in many
Good bending and stretching performance, it is therefore desirable to aluminium alloy is carried out heat treatment, but heat treatment method temperature now
Spend higher, process the time long, energy consumption is higher, and operates complexity, often occur after heat treatment tensile property,
The underproof situation of intercrystalline corrosion, aluminium alloy manufacturing cost is high, and the technical merit of workman is required height.
Summary of the invention
It is contemplated that overcome defect present in above-mentioned prior art, it is proposed that the heat treatment of a kind of aluminium alloy
Technique, technique is simple, and it is convenient to implement, and energy consumption is low, the most cost-effective.
The technical scheme is that and be achieved in that:
The Technology for Heating Processing of a kind of aluminium alloy, comprises the steps:
1. Al alloy parts is carried out in the heating furnace of 200-260 DEG C the pre-heat treatment of 3h；
2., after the pre-heat treatment, above-mentioned Al alloy parts is quickly cooled down with the speed of 60 DEG C/sec-80 DEG C/sec；
3. by the solution treatment at 500-515 DEG C of above-mentioned Al alloy parts；
4. cold quenching process is carried out after being taken out by the Al alloy parts after above-mentioned solution hardening；
5. Al alloy parts after shrend is placed on Ageing Treatment 5-8h in heating furnace, and the temperature of terminal hour effect is
200-220℃；
The most again through artificial aging 48-60h, air cooling is to room temperature.
Further, described Al alloy parts is 2xxx line aluminium alloy or 6xxx line aluminium alloy.
Further, during described Ageing Treatment, pre-age temperature is 120-150 DEG C.
Further, before step 1. the pre-heat treatment, first Al alloy parts is carried out cold-rolling treatment.
Further, with the reduction ratio of 46%-49%, Al alloy parts is carried out cold rolling.
Further, each weight percentages of components of aluminium alloy is as follows: Si0.05-0.07%, Ti 0.03-0.05%,
Mg 0.001-0.0015%, Cu 0.5-0.7%, Fe 0.06-0.09%, Mn0.002-0.003%, Cr
0.02-0.0275%, impurity 0.05%, surplus is Al.
Further: step 4. in, use containing CrCl3, CsF, KNO3 aqueous solution cold quenching.
Further, containing CrCl 3 5-8g, CsF 7-12g, KNO3 10-12g, NiCl2 in described aqueous solution
2-3g, aqueous ph value is between 7-7.5.
Have employed technique scheme, the invention have the benefit that
The technical program heat treatment time is moderate, and easy enforcement simple to operate, thermal energy consumption is low, reduces aluminium alloy
Manufacturing cost.The decay resistance enabled aluminum alloy to strengthens, the workpiece size good stability obtained, and
And there is certain ductility and good mechanical property.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
The Technology for Heating Processing of a kind of aluminium alloy, as it is shown in figure 1, comprise the steps:
1. Al alloy parts is carried out in the heating furnace of 200-260 DEG C the pre-heat treatment of 3h；
2., after the pre-heat treatment, above-mentioned Al alloy parts is quickly cooled down with the speed of 60 DEG C/sec-80 DEG C/sec；
3. by the solution treatment at 500-515 DEG C of above-mentioned Al alloy parts；
4. cold quenching process is carried out after being taken out by the Al alloy parts after above-mentioned solution hardening；
5. Al alloy parts after shrend is placed on Ageing Treatment 5-8h in heating furnace, and the temperature of terminal hour effect is
200-220℃；
The most again through artificial aging 48-60h, air cooling is to room temperature.
Above-mentioned Al alloy parts is 2xxx line aluminium alloy or 6xxx line aluminium alloy.Before carrying out Ageing Treatment,
First carrying out Pre-aging treatment, pre-age temperature is 120-150 DEG C, and the preageing time is 1-1.5h.
Wherein, before step 1. the pre-heat treatment, first Al alloy parts is carried out cold-rolling treatment.And preferably with
Al alloy parts is carried out cold rolling by the reduction ratio of 46%-49%, enables aluminum alloy to occur shearing organize.
Wherein, each weight percentages of components of aluminium alloy is as follows: Si0.05-0.07%, Ti 0.03-0.05%, Mg
0.001-0.0015%, Cu 0.5-0.7%, Fe 0.06-0.09%, Mn0.002-0.003%, Cr
0.02-0.0275%, impurity 0.05%, surplus is Al.
Step 4. in, use containing CrCl3, CsF, KNO3 aqueous solution cold quenching.Wherein, aqueous solution contains
CrCl 3 5-8g, CsF 7-12g, KNO3 10-12g, NiCl2 2-3g, aqueous ph value is at 7-7.5.
As a comparative example of the technical program, 1. Al alloy parts is entered in the heating furnace of 150-200 DEG C
The pre-heat treatment of row 3h；
2., after the pre-heat treatment, above-mentioned Al alloy parts is quickly cooled down with the speed of 60 DEG C/sec-80 DEG C/sec；
3. by the solution treatment under 350-450 of above-mentioned Al alloy parts；
4. cold quenching process is carried out after being taken out by the Al alloy parts after above-mentioned solution hardening；
5. Al alloy parts after shrend is placed on Ageing Treatment 3-4h in heating furnace, and the temperature of terminal hour effect is
150-180℃；
The most again through artificial aging 48-60h, air cooling is to room temperature.
As another comparative example of the technical program, 1. by Al alloy parts in the heating furnace of 280-300 DEG C
Carry out the pre-heat treatment of 5h；
2., after the pre-heat treatment, above-mentioned Al alloy parts is quickly cooled down with the speed of 60 DEG C/sec-80 DEG C/sec；
3. by the solution treatment at 520-550 DEG C of above-mentioned Al alloy parts；
4. cold quenching process is carried out after being taken out by the Al alloy parts after above-mentioned solution hardening；
5. Al alloy parts after shrend is placed on Ageing Treatment 3-4h in heating furnace, and the temperature of terminal hour effect is
230-250℃；
The most again through artificial aging 48-60h, air cooling is to room temperature.
Through Experimental Comparison, the technical program heat treatment time is moderate, easy enforcement simple to operate, and thermal energy consumption is low,
Reduce aluminium alloy manufacturing cost.The decay resistance enabled aluminum alloy to strengthens, the workpiece size obtained
Good stability, and there is certain ductility and good mechanical property.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (8)
1. the Technology for Heating Processing of an aluminium alloy, it is characterised in that comprise the steps:
1. Al alloy parts is carried out in the heating furnace of 200-260 DEG C the pre-heat treatment of 3h；
2., after the pre-heat treatment, above-mentioned Al alloy parts is quickly cooled down with the speed of 60 DEG C/sec-80 DEG C/sec；
3. by the solution treatment at 500-515 DEG C of above-mentioned Al alloy parts；
4. cold quenching process is carried out after being taken out by the Al alloy parts after above-mentioned solution hardening；
5. Al alloy parts after cold quenching is placed on Ageing Treatment 5-8h in heating furnace, and the temperature of terminal hour effect is
200-220℃；
The most again through artificial aging 48-60h, air cooling is to room temperature.
The Technology for Heating Processing of a kind of aluminium alloy the most according to claim 1, it is characterised in that: described aluminum
Alloy workpiece is 2xxx line aluminium alloy or 6xxx line aluminium alloy.
The Technology for Heating Processing of a kind of aluminium alloy the most according to claim 1, it is characterised in that: time described
When effect processes, pre-age temperature is 120-150 DEG C.
The Technology for Heating Processing of a kind of aluminium alloy the most according to claim 1, it is characterised in that: in step
1., before the pre-heat treatment, first Al alloy parts is carried out cold-rolling treatment.
The Technology for Heating Processing of a kind of aluminium alloy the most according to claim 4, it is characterised in that: with 46%-49%
Reduction ratio Al alloy parts is carried out cold rolling.
The Technology for Heating Processing of a kind of aluminium alloy the most according to claim 1, it is characterised in that: aluminium alloy
Each weight percentages of components is as follows: Si0.05-0.07%, Ti 0.03-0.05%, Mg 0.001-0.0015%,
Cu 0.5-0.7%, Fe 0.06-0.09%, Mn0.002-0.003%, Cr 0.02-0.0275%, impurity 0.05%,
Surplus is Al.
The Technology for Heating Processing of a kind of aluminium alloy the most according to claim 1, it is characterised in that: step is 4.
In, use containing CrCl3, CsF, KNO3 aqueous solution cold quenching.
The Technology for Heating Processing of a kind of aluminium alloy the most according to claim 7, it is characterised in that: described water
Containing CrCl 3 5-8g, CsF 7-12g, KNO3 10-12g, NiCl2 2-3g in solution, aqueous ph value
Between 7-7.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424265.3A CN105951009B (en) | 2016-06-15 | 2016-06-15 | A kind of Technology for Heating Processing of aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424265.3A CN105951009B (en) | 2016-06-15 | 2016-06-15 | A kind of Technology for Heating Processing of aluminium alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105951009A true CN105951009A (en) | 2016-09-21 |
| CN105951009B CN105951009B (en) | 2017-11-21 |
Family
ID=56906667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610424265.3A Active CN105951009B (en) | 2016-06-15 | 2016-06-15 | A kind of Technology for Heating Processing of aluminium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105951009B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267899A (en) * | 2017-07-05 | 2017-10-20 | 合肥万之景门窗有限公司 | A kind of Technology for Heating Processing of aluminium alloy |
| CN108118272A (en) * | 2018-01-26 | 2018-06-05 | 山东创新金属科技有限公司 | A kind of high-quality aluminum alloy material heat treatment process |
| CN108994267A (en) * | 2018-10-08 | 2018-12-14 | 吉林大学 | It is a kind of to be able to ascend formability and the 6XXX system aluminium of ageing strengthening effect rolls plate preparation method |
| US11118253B2 (en) * | 2017-10-23 | 2021-09-14 | Novelis Inc. | Reactive quenching solutions and methods of use |
| CN115652231A (en) * | 2022-11-18 | 2023-01-31 | 南通市华阳铝制品有限公司 | Heat treatment method for high-strength aluminum alloy section |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827952A (en) * | 1972-09-20 | 1974-08-06 | Aluminum Co Of America | Aluminum alloy architectural sheet product and method for producing |
| JPS63103046A (en) * | 1986-10-20 | 1988-05-07 | Furukawa Alum Co Ltd | Aluminum alloy for cold forging |
| CN105018804A (en) * | 2014-04-24 | 2015-11-04 | 贵州理工学院 | Al-Mg-Si as-cast aluminum alloy and aging treatment process thereof |
| CN105543738A (en) * | 2016-01-29 | 2016-05-04 | 华中科技大学 | Thermo-mechanical treatment method for aluminum alloy |
-
2016
- 2016-06-15 CN CN201610424265.3A patent/CN105951009B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827952A (en) * | 1972-09-20 | 1974-08-06 | Aluminum Co Of America | Aluminum alloy architectural sheet product and method for producing |
| JPS63103046A (en) * | 1986-10-20 | 1988-05-07 | Furukawa Alum Co Ltd | Aluminum alloy for cold forging |
| CN105018804A (en) * | 2014-04-24 | 2015-11-04 | 贵州理工学院 | Al-Mg-Si as-cast aluminum alloy and aging treatment process thereof |
| CN105543738A (en) * | 2016-01-29 | 2016-05-04 | 华中科技大学 | Thermo-mechanical treatment method for aluminum alloy |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267899A (en) * | 2017-07-05 | 2017-10-20 | 合肥万之景门窗有限公司 | A kind of Technology for Heating Processing of aluminium alloy |
| US11118253B2 (en) * | 2017-10-23 | 2021-09-14 | Novelis Inc. | Reactive quenching solutions and methods of use |
| CN108118272A (en) * | 2018-01-26 | 2018-06-05 | 山东创新金属科技有限公司 | A kind of high-quality aluminum alloy material heat treatment process |
| CN108994267A (en) * | 2018-10-08 | 2018-12-14 | 吉林大学 | It is a kind of to be able to ascend formability and the 6XXX system aluminium of ageing strengthening effect rolls plate preparation method |
| CN115652231A (en) * | 2022-11-18 | 2023-01-31 | 南通市华阳铝制品有限公司 | Heat treatment method for high-strength aluminum alloy section |
| CN115652231B (en) * | 2022-11-18 | 2023-08-04 | 南通市华阳铝制品有限公司 | Heat treatment method for high-strength aluminum alloy section bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105951009B (en) | 2017-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105951009A (en) | Heat treatment technology for aluminum alloy | |
| CN104694860B (en) | A kind of low-purity Al-Zn-Mg-Cu alloy ageing hot processing method | |
| CN102321858B (en) | Heat treatment process for Al-Zn-Mg-Cu high strength aluminum alloy | |
| CN103540880B (en) | A kind of Al-Zn-Mg-Cu aluminum alloy strengthens tough aging process | |
| CN105951008A (en) | Thermal treatment process for high-strength anticorrosion aluminum alloy | |
| CN103255324A (en) | Aluminum alloy material suitable for manufacturing car body panel and preparation method | |
| CN104846302B (en) | Ageing heat treatment method for keeping aluminum alloy strength and reducing quenching residual stress | |
| CN106906387A (en) | It is a kind of high than the strong component processed than mould aluminum alloy materials, its preparation method and by the material high | |
| CN104046933B (en) | A kind of improve high strength alumin ium alloy sheet material plasticity and the deformation heat treatment method of formability | |
| CN103320728A (en) | Manufacturing method of aluminum alloy plate for automobile body panel manufacturing | |
| CN103060638A (en) | Two-stage aging process of Al-Zn-Mg-Cu-Zr-Er alloy | |
| CN105603263A (en) | Method for producing cold-formed aluminum foil through continuous cast rolling of 8xxx aluminum alloy | |
| CN103397228A (en) | Squeezable and stretchable corrosion-resistant aluminum alloy | |
| CN108624791A (en) | A kind of Al-Zn-Mg aluminum alloy materials and its preparation method and application | |
| CN102286680A (en) | Rare earth aluminum alloy used for heat exchanger fin and preparation method thereof | |
| CN103834885B (en) | A kind of heat treating method improving aluminum alloy plate materials plasticity | |
| CN105603272A (en) | Aluminum alloy material for automobile alternator and thermal treatment method of aluminum alloy material | |
| CN105256192A (en) | Aluminium alloy panel and preparation method thereof | |
| CN104195480A (en) | Integral aging method of Al-Zn-Mg alloy profile | |
| CN105568190A (en) | Two-stage aging process of Al-5.6Zn-2.1Mg-1.2Cu-0.1Zr-0.1Er alloy | |
| CN104561862A (en) | Aluminum alloy heat treatment process | |
| CN105839036A (en) | Heat treatment method of aluminum magnesium alloy | |
| CN109457155B (en) | Thermally stable 6xxx series aluminum alloy and heat treatment process thereof | |
| CN111719097B (en) | Forming method of aluminum extruded material | |
| CN107675052A (en) | A kind of aluminum alloy material for being used to manufacture high intensity door and window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |