CN104593703A - Heat treatment technology of 2024 aluminum alloy thin plates - Google Patents
Heat treatment technology of 2024 aluminum alloy thin plates Download PDFInfo
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- CN104593703A CN104593703A CN201310535058.1A CN201310535058A CN104593703A CN 104593703 A CN104593703 A CN 104593703A CN 201310535058 A CN201310535058 A CN 201310535058A CN 104593703 A CN104593703 A CN 104593703A
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- heat treatment
- aluminum alloy
- thin plates
- alloy thin
- treatment technology
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a heat treatment technology of 2024 aluminum alloy thin plates. Technological parameters of heat treatment are changed to obtain the following optimal technological parameters: solid solution is carried out at 498DEG C for 20min, and ageing is carried out at 185DEG C for 10h. The technology solves a problem that the production schedule of a company is influenced by no warehousing of raw materials or part discarding due to unqualified tensile property and unqualified intercrystalline corrosion of 6061 aluminum alloys prepared in the prior art. The optimized heat treatment technology obviously improves the mechanical properties, the corrosion resistance and the fatigue resistance of the 2024 aluminum alloy thin plates.
Description
Technical field
The invention belongs to casting technology field, be specifically related to a kind of thermal treatment process of 2024 Aluminium Alloy Plates.
Background technology
2024 aluminium alloys are one of duralumin, and be the material of the U.S.'s development forties, Cu and Mg is alloying element main in 2024 aluminium alloys.In raw material test and part production process, after adopting existing thermal treatment process process, often there is tensile property, the underproof situation of intergranular corrosion in 2024 Aluminium Alloy Plates.Cause starting material can not put in storage or part rejection, to have influence on the production schedule of company.
Summary of the invention
In order to overcome the above-mentioned technical problem that prior art field exists, the object of the invention is to, a kind of thermal treatment process of 2024 Aluminium Alloy Plates is provided, directly can cast out 2024 alloys that tensile strength and yield strength significantly improve.
The thermal treatment process of 2024 Aluminium Alloy Plates provided by the invention, comprises the following steps:
(1) thickness of slab is selected to be 2024 aluminium alloy alclad sheet materials of 1.5mm or 2.0mm specification, heat-treat with box air cycle resistance furnace, process of thermal treatment parameter is as follows: solid solubility temperature is 490 DEG C ~ 500 DEG C, solid solution soaking time is 20min ~ 50min, at 160 DEG C ~ 200 DEG C timeliness insulation 6h ~ 12h;
(2) from resistance furnace, take out rapid shrend to keep its tissue after alloy solid solution heating, then carry out artificial aging, after timeliness completes, air cooling is to room temperature, obtains heat treatment state alloy.
The thermal treatment process of 2024 Aluminium Alloy Plates provided by the invention, its beneficial effect is, overcomes after adopting existing thermal treatment process process and tensile property, the underproof situation of intergranular corrosion often occur; Its mechanical property, corrosion resistance and fatigue property are had significant raising.
Embodiment
Below in conjunction with an embodiment, the thermal treatment process of 2024 Aluminium Alloy Plates provided by the invention is described in detail.
Embodiment
The thermal treatment process of 2024 Aluminium Alloy Plates of the present embodiment, comprises the following steps:
(1) thickness of slab is selected to be 2024 aluminium alloy alclad sheet materials of 2.0mm specification, heat-treat with box air cycle resistance furnace, process of thermal treatment parameter is as follows: solid solubility temperature is 498 DEG C, and solid solution soaking time is 20min ~ 50min, at 185 DEG C of timeliness insulation 10h;
(2) from resistance furnace, take out rapid shrend to keep its tissue after alloy solid solution heating, then carry out artificial aging, after timeliness completes, air cooling is to room temperature, obtains heat treatment state alloy.
Through heat treated 2024 Aluminium Alloy Plates, its mechanical property, corrosion resistance and fatigue property have had significant raising.
Claims (1)
1. a thermal treatment process for 2024 Aluminium Alloy Plates, is characterized in that: comprise the following steps:
(1) thickness of slab is selected to be 2024 aluminium alloy alclad sheet materials of 1.5-2.0mm specification, heat-treat with box air cycle resistance furnace, process of thermal treatment parameter is as follows: solid solubility temperature is 490 DEG C ~ 500 DEG C, solid solution soaking time is 20min ~ 50min, at 160 DEG C ~ 200 DEG C timeliness insulation 6h ~ 12h;
(2) from resistance furnace, take out rapid shrend to keep its tissue after alloy solid solution heating, then carry out artificial aging, after timeliness completes, air cooling is to room temperature, obtains heat treatment state alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310535058.1A CN104593703A (en) | 2013-11-04 | 2013-11-04 | Heat treatment technology of 2024 aluminum alloy thin plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310535058.1A CN104593703A (en) | 2013-11-04 | 2013-11-04 | Heat treatment technology of 2024 aluminum alloy thin plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104593703A true CN104593703A (en) | 2015-05-06 |
Family
ID=53119751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310535058.1A Pending CN104593703A (en) | 2013-11-04 | 2013-11-04 | Heat treatment technology of 2024 aluminum alloy thin plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104593703A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332696A (en) * | 2018-11-14 | 2019-02-15 | 西安航天发动机有限公司 | A kind of 2024 aluminium alloy selective lasers fusing manufacturing process |
| US11255008B2 (en) | 2019-06-17 | 2022-02-22 | Central South University | Method for processing highly alloyed aluminum alloy sheet with high rolling yield |
-
2013
- 2013-11-04 CN CN201310535058.1A patent/CN104593703A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332696A (en) * | 2018-11-14 | 2019-02-15 | 西安航天发动机有限公司 | A kind of 2024 aluminium alloy selective lasers fusing manufacturing process |
| US11255008B2 (en) | 2019-06-17 | 2022-02-22 | Central South University | Method for processing highly alloyed aluminum alloy sheet with high rolling yield |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150506 |
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| WD01 | Invention patent application deemed withdrawn after publication |