CN105385972B - It is a kind of to be used for the aging technique of 7075 aluminum alloy forge pieces - Google Patents
It is a kind of to be used for the aging technique of 7075 aluminum alloy forge pieces Download PDFInfo
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- CN105385972B CN105385972B CN201510954534.2A CN201510954534A CN105385972B CN 105385972 B CN105385972 B CN 105385972B CN 201510954534 A CN201510954534 A CN 201510954534A CN 105385972 B CN105385972 B CN 105385972B
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- aluminum alloy
- alloy forge
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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
- C22F1/053—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 zinc as the next major constituent
Abstract
There is provided a kind of it is used for the aging technique of 7075 aluminum alloy forge pieces the present invention relates to 7075 aluminum alloy forge piece technical fields of manufacture, is the characteristics of the aging technique, including：The first order, 110 DEG C are heated to by 7075 aluminum alloy forge piece, are kept for 4 hours；7075 aluminum alloy forge pieces after the first order are heated to 135 DEG C by the second level, are kept for 3 hours；7075 aluminum alloy forge pieces behind the second level are heated to 175 DEG C by the third level, are kept for 3 hours.The aging technique that the present invention is provided can effectively shorten aging time, be conducive to improving production efficiency and cost-effective.
Description
Technical field
It is more particularly to a kind of to be used for 7075 aluminum alloy forge pieces the present invention relates to 7075 aluminum alloy forge piece technical fields of manufacture
Aging technique.
Background technology
7075 belong at present widely used high intensity superduralumin both at home and abroad, are the main materials of aircraft structure, are applicable
In manufacture aircraft skin, spar, bulkhead, landing gear components, and hydraulic system components etc., be also used for other require high intensity and
The high stress structure member of good corrosion resistance.
At present, when existing 7075 aluminum alloy forge piece institution of prescription is usually single-stage aging (120 DEG C/24 hours) or twin-stage
Imitate (the first order：115 DEG C/12 hours；The second level：160 DEG C/6 hours), either single-stage aging, or two-stage time effect is all present
The problem of consuming time is long, and the time length of consuming has a strong impact on production efficiency, and cause Ageing Treatment cost higher.Cause
How this, improve the aging technique of 7075 aluminum alloy forge pieces so that aging time, which shortens, becomes those skilled in the art
Technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is used for the aging technique of 7075 aluminum alloy forge pieces the invention provides a kind of, the aging technique can
Shorten aging time, it is cost-effective.
In order to achieve the above object, the present invention provides following technical scheme：
It is a kind of to be used for the aging technique of 7075 aluminum alloy forge pieces, including：
The first order, 110 DEG C are heated to by 7075 aluminum alloy forge piece, are kept for 4 hours；
7075 aluminum alloy forge pieces after the first order are heated to 135 DEG C by the second level, are kept for 3 hours；
7075 aluminum alloy forge pieces behind the second level are heated to 175 DEG C by the third level, are kept for 3 hours.
It can be seen from above-mentioned technical proposal, the aging technique that the present invention is provided uses three-step aging to 7075 aluminum alloy forge pieces
Processing, aging times at different levels are respectively 4 hours, 3 hours, 3 hours, compared with prior art, the timeliness that the present invention is provided
Technique can effectively shorten aging time, be conducive to improving production efficiency and cost-effective.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of flow chart for aging technique for being used for 7075 aluminum alloy forge pieces that the embodiment of the present invention one is provided；
Fig. 2 is the flow chart for the 7075 aluminum alloy forge piece Ageing Treatments that comparative example one of the present invention is used；
Fig. 3 is the flow chart for the 7075 aluminum alloy forge piece Ageing Treatments that comparative example two of the present invention is used.
Embodiment
In order to make it easy to understand, the invention will be further described below in conjunction with the accompanying drawings.
It is a kind of flow for aging technique for being used for 7075 aluminum alloy forge pieces that the embodiment of the present invention one is provided referring to Fig. 1
Figure, is specifically included：
7075 aluminum alloy forge pieces are heated to 110 DEG C by step S11, are kept for 4 hours；
7075 aluminum alloy forge pieces are heated to 135 DEG C by step S12, are kept for 3 hours；
7075 aluminum alloy forge pieces are heated to 175 DEG C by step S13, are kept for 3 hours.
After three-step aging processing by embodiment one, the mechanical property to 7075 aluminum alloy forge pieces is detected, mechanics
Performance is tested in CSS-44100 Universal electrical cupping machines, and sample is prepared by GB228-87, is taken long to for tension test side
To draw speed is 1mm/min.
Test result is：Tensile strength 575MPa, yield strength 496MPa, elongation percentage 10.8%.
Referring to Fig. 2 and Fig. 3, in order to be contrasted, the present invention carried out comparative example one and comparative example two when
Effect processing, and the mechanical property of 7075 aluminum alloy forge pieces after Ageing Treatment is entered by the detection method in the embodiment of the present invention one
Test is gone.
It is the flow chart for the 7075 aluminum alloy forge piece Ageing Treatments that comparative example one is used referring to Fig. 2, is specially：Step
7075 aluminum alloy forge pieces are heated to 120 DEG C by rapid S2, are kept for 24 hours.
Comparative example one is that the test result after single-stage aging, Ageing Treatment is：Tensile strength 563MPa, yield strength
489MPa, elongation percentage 10.2%.
Referring to Fig. 3, it is the flow chart for the 7075 aluminum alloy forge piece Ageing Treatments that comparative example two is used, specifically includes：
7075 aluminum alloy forge pieces are heated to 115 DEG C by step S31, are kept for 12 hours；
7075 aluminum alloy forge pieces are heated to 160 DEG C by step S32, are kept for 6 hours.
Comparative example two is that the test result after two-stage time effect, Ageing Treatment is：Tensile strength 552MPa, yield strength
473MPa, elongation percentage 11.6%.
The timeliness of the present invention is can be seen that from the test result of embodiment one, comparative example one and comparative example two
Technique can obtain 7075 aluminum alloy forge pieces with the equal mechanical property level of prior art.The aging technique pair that the present invention is provided
7075 aluminum alloy forge pieces are handled using three-step aging, and aging times at different levels are respectively 4 hours, 3 hours, 3 hours, and existing
Technology is compared, and the aging technique that the present invention is provided can effectively shorten aging time, is conducive to improving production efficiency
And it is cost-effective.
It should be noted that by standard GB/T/T3880.2-2006, product standard requires the maximum tensile strength
515MPa, yield strength 440MPa, elongation percentage 8%.It can be seen that the aging technique that the present invention is provided can obtain and meet national standard
Product.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to embodiment will be apparent for those skilled in the art, as defined herein general
Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not
It can be restricted to embodiment illustrated herein, and be to fit to consistent with features of novelty with principles disclosed herein most wide
Scope.
Claims (1)
1. a kind of be used for the aging technique of 7075 aluminum alloy forge pieces, it is characterised in that including：
The first order, 110 DEG C are heated to by 7075 aluminum alloy forge piece, are kept for 4 hours；
7075 aluminum alloy forge pieces after the first order are heated to 135 DEG C by the second level, are kept for 3 hours；
7075 aluminum alloy forge pieces behind the second level are heated to 175 DEG C by the third level, are kept for 3 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954534.2A CN105385972B (en) | 2015-12-17 | 2015-12-17 | It is a kind of to be used for the aging technique of 7075 aluminum alloy forge pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954534.2A CN105385972B (en) | 2015-12-17 | 2015-12-17 | It is a kind of to be used for the aging technique of 7075 aluminum alloy forge pieces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105385972A CN105385972A (en) | 2016-03-09 |
| CN105385972B true CN105385972B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510954534.2A Active CN105385972B (en) | 2015-12-17 | 2015-12-17 | It is a kind of to be used for the aging technique of 7075 aluminum alloy forge pieces |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107937842B (en) * | 2017-12-01 | 2019-08-30 | 中南大学 | A kind of heat treatment method of Al-Zn-Mg-Cu aluminium alloy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305763A (en) * | 1978-09-29 | 1981-12-15 | The Boeing Company | Method of producing an aluminum alloy product |
| CN102796974A (en) * | 2012-08-13 | 2012-11-28 | 北京有色金属研究总院 | Improved 7000 series aluminum alloy double-stage overaging heat treatment technology |
| CN104195480A (en) * | 2014-09-08 | 2014-12-10 | 广西南南铝加工有限公司 | Integral aging method of Al-Zn-Mg alloy profile |
| CN104831203A (en) * | 2015-03-27 | 2015-08-12 | 广西南南铝加工有限公司 | High-speed rail train body Al-zinc-Mg alloy profile aging heat treatment method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003277898A (en) * | 2002-03-27 | 2003-10-02 | Society Of Japanese Aerospace Co Inc | Stringer for aircraft |
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2015
- 2015-12-17 CN CN201510954534.2A patent/CN105385972B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305763A (en) * | 1978-09-29 | 1981-12-15 | The Boeing Company | Method of producing an aluminum alloy product |
| CN102796974A (en) * | 2012-08-13 | 2012-11-28 | 北京有色金属研究总院 | Improved 7000 series aluminum alloy double-stage overaging heat treatment technology |
| CN104195480A (en) * | 2014-09-08 | 2014-12-10 | 广西南南铝加工有限公司 | Integral aging method of Al-Zn-Mg alloy profile |
| CN104831203A (en) * | 2015-03-27 | 2015-08-12 | 广西南南铝加工有限公司 | High-speed rail train body Al-zinc-Mg alloy profile aging heat treatment method |
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| CN105385972A (en) | 2016-03-09 |
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