CN107740015A - A kind of two-stage time effect process for lifting extruded aluminium section yield strength - Google Patents
A kind of two-stage time effect process for lifting extruded aluminium section yield strength Download PDFInfo
- Publication number
- CN107740015A CN107740015A CN201710867379.XA CN201710867379A CN107740015A CN 107740015 A CN107740015 A CN 107740015A CN 201710867379 A CN201710867379 A CN 201710867379A CN 107740015 A CN107740015 A CN 107740015A
- Authority
- CN
- China
- Prior art keywords
- time effect
- yield strength
- warming
- lifting
- aluminium section
- 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.)
- Pending
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
- C22F1/047—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 magnesium as the next major constituent
Abstract
The present invention relates to a kind of two-stage time effect process for lifting extruded aluminium section yield strength, belong to field of aluminum alloy heat treatment technology.It carries out one-level aging technique first, and section bar is warming up to 140 150 DEG C by the section bar lifted to needs in 30min, 4 DEG C/min of heating rate ＞, is then incubated 50 70min；Secondary time effect technique is then carried out, is warming up to 170 180 DEG C in 2h, heating rate is 0.25 DEG C/min of ＞, is then incubated 6.5 7.5h；Section bar is come out of the stove and is air-cooled to room temperature.Aging technique in the present invention can obtain higher yield strength, tensile strength compared with traditional aging technique.
Description
Technical field
The present invention relates to a kind of two-stage time effect process for lifting extruded aluminium section yield strength, belongs to aluminum alloy heat processing skill
Art field.
Background technology
6063 aluminium alloys are a kind of heat-treatable strengthened aluminium alloys, because its excellent combination property is widely used in building
Build, automobile, ship, the industry such as aviation.With the development of all trades and professions, there is higher requirement to the performance of 6063 aluminium alloys,
Existing aging technique can not meet the needs of client.
The content of the invention
The purpose of the present invention is to overcome above-mentioned weak point, there is provided during a kind of twin-stage of lifting extruded aluminium section yield strength
Effect technique, it can lift the yield strength of 6063 aluminium alloy extruded aluminium section bar T6 states, with the operating mode applied to requirements at the higher level
Environment.
Technical scheme, a kind of two-stage time effect process for lifting extruded aluminium section yield strength, step are as follows：It is first
One-level aging technique is first carried out, is warming up to 140-150 DEG C in 30min to the aluminium section bar that is lifted of needs, 4 DEG C of heating rate ＞/
Min, then it is incubated 50-70min；Secondary time effect technique is then carried out, is warming up to 170-180 DEG C in 2h, heating rate ＞
0.25 DEG C/min, then it is incubated 6.5-7.5h；Aluminium section bar is come out of the stove and is air-cooled to room temperature.
The section bar is 6063 aluminum alloy extrusion section bars.
The one-level aging technique is to be warming up to 145 DEG C in 30min, soaking time 1h.
The secondary time effect technique is to be warming up to 175 DEG C in 2h, soaking time 7h.
The two-stage time effect process of the lifting extruded aluminium section yield strength, is comprised the following steps that：
(1) extrude：The aluminium alloy cast rod that gained will be homogenized is extruded by extrusion die, extrusion temperature for 490~
510 DEG C, outlet temperature is more than 520 DEG C；
(2) press quenching：The aluminium alloy cast rod squeezed out obtained by step (1) is cooled down by online air-cooled mode；
(3) stretch：Aluminium alloy cast rod obtained by step (2) after press quenching is stretched, controls the amount of stretching to be
0.3%~2%；
(4) cut：By length of the aluminium alloy cast rod after being stretched obtained by step (3) according to Length-fixing cutting into needs；
(5) timeliness：The aluminium alloy cast rod of well cutting is subjected to two-stage time effect, wherein one-level aging technique is to be risen in 30min
Warm to 140-150 DEG C, heating rate ＞ 4 DEG C/min, soaking time 50-70min；Secondary time effect technique is to be warming up to 170- in 2h
180 DEG C, heating rate is 0.25 DEG C/min of ＞, soaking time 6.5-7.5h, produces final aluminium profile product.
Beneficial effects of the present invention：It advantage of the invention is that compared with existing aging technique, can close 6063 aluminium
Golden extrudate obtains higher yield strength, about 240MPa.
Brief description of the drawings
Fig. 1 is the stress strain curve schematic diagram of different aging techniques.
Description of reference numerals：A, the aluminium section bar stress strain curve of comparative example 1；B, the aluminium section bar stress strain curve of comparative example 2；
C, the aluminium section bar stress strain curve of embodiment 1.
Embodiment
To make the purpose of the present invention, technical scheme and advantage are more explicit, are further illustrated with following Examples.
Embodiment 1
The two-stage time effect process of the lifting extruded aluminium section yield strength, is comprised the following steps that：
(1) extrude：Material is 6063 after homogenizing, and the aluminium alloy cast rod that length is 900mm is carried out by extrusion die
Extruding, extrusion temperature are 500 DEG C, and outlet temperature is more than 520 DEG C；
(2) press quenching：Aluminium alloy cast rod after being extruded obtained by step (1) is cooled down by online air-cooled mode；
(3) stretch：Aluminium alloy cast rod obtained by step (2) after press quenching is stretched, controls the amount of stretching to be
1%；
(4) cut：By length of the aluminium alloy cast rod after being stretched obtained by step (3) according to Length-fixing cutting into needs；
(5) timeliness：The aluminium alloy cast rod of well cutting is subjected to two-stage time effect, wherein one-level aging technique is to be risen in 30min
Warm to 145 DEG C, heating rate ＞ 4 DEG C/min, soaking time 60min；Secondary time effect technique is that 175 DEG C are warming up in 2h, heating
Speed is 0.25 DEG C/min of ＞, soaking time 7h, produces final aluminium profile product.
Specific performance is as shown in table 1, and gained aluminium section bar stress strain curve is as shown in C curve in Fig. 1.
Embodiment 2
The two-stage time effect process of the lifting extruded aluminium section yield strength, is comprised the following steps that：
(1) extrude：Material is 6063 after homogenizing, and the aluminium alloy cast rod that length is 900mm is carried out by extrusion die
Extruding, extrusion temperature are 510 DEG C, and outlet temperature is more than 520 DEG C；
(2) press quenching：The aluminium alloy cast rod squeezed out obtained by step (1) is cooled down by online air-cooled mode；
(3) stretch：Aluminium alloy cast rod obtained by step (2) after press quenching is stretched, controls the amount of stretching to be
0.3%；
(4) cut：By length of the aluminium alloy cast rod after being stretched obtained by step (3) according to Length-fixing cutting into needs；
(5) timeliness：The aluminium alloy cast rod of well cutting is subjected to two-stage time effect, wherein one-level aging technique is to be risen in 30min
Warm to 140 DEG C, heating rate ＞ 4 DEG C/min, soaking time 70min；Secondary time effect technique is that 170 DEG C are warming up in 2h, heating
Speed is 0.25 DEG C/min of ＞, soaking time 7.5h, produces final aluminium profile product.
Embodiment 3
The two-stage time effect process of the lifting extruded aluminium section yield strength, is comprised the following steps that：
(1) extrude：Material is 6063 after homogenizing, and the aluminium alloy cast rod that length is 900mm is carried out by extrusion die
Extruding, extrusion temperature are 510 DEG C, and outlet temperature is more than 520 DEG C；
(2) press quenching：The aluminium alloy cast rod squeezed out obtained by step (1) is cooled down by online air-cooled mode；
(3) stretch：Aluminium alloy cast rod obtained by step (2) after press quenching is stretched, controls the amount of stretching to be
2%；
(4) cut：By length of the aluminium alloy cast rod after being stretched obtained by step (3) according to Length-fixing cutting into needs；
(5) timeliness：The aluminium alloy cast rod of well cutting is subjected to two-stage time effect, wherein one-level aging technique is to be risen in 30min
Warm to 150 DEG C, heating rate ＞ 4 DEG C/min, soaking time 50min；Secondary time effect technique is that 180 DEG C are warming up in 2h, heating
Speed is 0.25 DEG C/min of ＞, soaking time 6.5h, produces final aluminium profile product.
Comparative example 1
The two-stage time effect process of the lifting extruded aluminium section yield strength, is comprised the following steps that：
(1) extrude：Material is 6063 after homogenizing, and the aluminium alloy cast rod that length is 900mm is carried out by extrusion die
Extruding, extrusion temperature are 490~510 DEG C, and outlet temperature is more than 520 DEG C；
(2) press quenching：The aluminium alloy cast rod squeezed out obtained by step (1) is cooled down by online air-cooled mode；
(3) stretch：Aluminium alloy cast rod obtained by step (2) after press quenching is stretched, controls the amount of stretching to be
0.3%~2%；
(4) cut：By length of the aluminium alloy cast rod after being stretched obtained by step (3) according to Length-fixing cutting into needs；
(5) timeliness：Aluminium alloy cast rod obtained by step (4) is heated to 175 DEG C, soaking time 6 hours, produces final aluminium
Product forms.
Specific performance is as shown in table 1, and gained section bar stress strain curve is as shown in A curves in Fig. 1.
Comparative example 2
The two-stage time effect process of the lifting extruded aluminium section yield strength, is comprised the following steps that：
(1) extrude：Material is 6063 after homogenizing, and the aluminium alloy cast rod that length is 900mm is carried out by extrusion die
Extruding, extrusion temperature are 490~510 DEG C, and outlet temperature is more than 520 DEG C；
(2) press quenching：The aluminium alloy cast rod squeezed out obtained by step (1) is cooled down by online air-cooled mode；
(3) stretch：Aluminium alloy cast rod obtained by step (2) after press quenching is stretched, controls the amount of stretching to be
0.3%~2%；
(4) cut：By length of the aluminium alloy cast rod after being stretched obtained by step (3) according to Length-fixing cutting into needs；
(5) timeliness：One-level aging technique is is warming up to 170 DEG C, heating rate ＞ 4 DEG C/min, soaking time 2h；During two level
For effect technique to be warming up to 200 DEG C, heating rate is 0.25 DEG C/min of ＞, soaking time 1.5h, produces final aluminium profile product.
Specific performance is as shown in table 1, and gained aluminium section bar stress strain curve is as shown in B curves in Fig. 1.
The different extrusion performance parameter comparisons of aging technique 6063 of table 1
Can be seen that two-stage time effect from the result of table 1 and Fig. 1 can obtain more excellent performance, with existing twin-stage
Aging technique is compared, and section bar is warming up into 145 DEG C in 30min proposed by the present invention, soaking time 1h；175 DEG C are warming up in 2h,
Soaking time 7h aging technique can obtain higher yield strength and tensile strength, lifting 9.8%.
Claims (5)
- A kind of 1. two-stage time effect process for lifting extruded aluminium section yield strength, it is characterized in that step is as follows：One-level is carried out first Aging technique, the aluminium section bar lifted to needs are warming up to 140-150 DEG C in 30min, heating rate ＞ 4 DEG C/min, Ran Houbao Warm 50-70min；Secondary time effect technique is then carried out, is warming up to 170-180 DEG C in 2h, heating rate is 0.25 DEG C/min of ＞, so After be incubated 6.5-7.5h；Aluminium section bar is come out of the stove and is air-cooled to room temperature.
- 2. the two-stage time effect process of lifting extruded aluminium section yield strength as claimed in claim 1, it is characterized in that：The section bar is 6063 aluminium alloys.
- 3. the two-stage time effect process of lifting extruded aluminium section yield strength as claimed in claim 1, it is characterized in that：During the one-level Effect technique is to be warming up to 145 DEG C in 30min, soaking time 1h.
- 4. the two-stage time effect process of lifting extruded aluminium section yield strength as claimed in claim 1, it is characterized in that：During the two level Effect technique is to be warming up to 175 DEG C in 2h, soaking time 7h.
- 5. the two-stage time effect process of lifting extruded aluminium section yield strength as claimed in claim 1, it is characterized in that specific steps are such as Under：（1）Extruding：Aluminium alloy cast rod after homogenization is extruded by extrusion die, extrusion temperature is 490 ~ 510 DEG C, is gone out Mouth temperature is more than 520 DEG C；（2）Press quenching：By step（1）The aluminium alloy cast rod that gained squeezes out cools down by online air-cooled mode；（3）Stretch：By step（2）The aluminium alloy cast rod of gained is stretched, and it is 0.3% ~ 2% to control the amount of stretching；（4）Cutting：By step（3）Gained stretch after length of the aluminium alloy cast rod according to Length-fixing cutting into needs；（5）Timeliness：The aluminium alloy cast rod of well cutting is subjected to two-stage time effect, wherein one-level aging technique is to be warming up in 30min 140-150 DEG C, heating rate ＞ 4 DEG C/min, soaking time 50-70min；Secondary time effect technique is to be warming up to 170-180 in 2h DEG C, heating rate is 0.25 DEG C/min of ＞, soaking time 6.5-7.5h, produces final aluminium section bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867379.XA CN107740015A (en) | 2017-09-22 | 2017-09-22 | A kind of two-stage time effect process for lifting extruded aluminium section yield strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867379.XA CN107740015A (en) | 2017-09-22 | 2017-09-22 | A kind of two-stage time effect process for lifting extruded aluminium section yield strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740015A true CN107740015A (en) | 2018-02-27 |
Family
ID=61235216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710867379.XA Pending CN107740015A (en) | 2017-09-22 | 2017-09-22 | A kind of two-stage time effect process for lifting extruded aluminium section yield strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740015A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908304A (en) * | 2022-05-12 | 2022-08-16 | 江苏亚太航空科技有限公司 | Aging process for improving strength and thermal stability of aluminum alloy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018038A (en) * | 2014-05-20 | 2014-09-03 | 广东豪美铝业股份有限公司 | Aluminium alloy used for automobile anti-collision beam, and manufacturing method for product thereof |
| CN104745901A (en) * | 2013-12-25 | 2015-07-01 | 青岛玉光精铸厂 | Indirect extrusion casting method of wrought aluminum alloy castings |
| CN105331910A (en) * | 2015-11-05 | 2016-02-17 | 山东南山铝业股份有限公司 | 6063-T5 aluminum profile two-stage energy-saving aging process |
| CN105506407A (en) * | 2015-12-08 | 2016-04-20 | 辽宁忠旺集团有限公司 | Manufacture method of aluminum alloy sectional material for building formwork |
-
2017
- 2017-09-22 CN CN201710867379.XA patent/CN107740015A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745901A (en) * | 2013-12-25 | 2015-07-01 | 青岛玉光精铸厂 | Indirect extrusion casting method of wrought aluminum alloy castings |
| CN104018038A (en) * | 2014-05-20 | 2014-09-03 | 广东豪美铝业股份有限公司 | Aluminium alloy used for automobile anti-collision beam, and manufacturing method for product thereof |
| CN105331910A (en) * | 2015-11-05 | 2016-02-17 | 山东南山铝业股份有限公司 | 6063-T5 aluminum profile two-stage energy-saving aging process |
| CN105506407A (en) * | 2015-12-08 | 2016-04-20 | 辽宁忠旺集团有限公司 | Manufacture method of aluminum alloy sectional material for building formwork |
Non-Patent Citations (1)
| Title |
|---|
| 魏长传: "《铝及铝合金管材生产》", 31 December 2010, 中南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908304A (en) * | 2022-05-12 | 2022-08-16 | 江苏亚太航空科技有限公司 | Aging process for improving strength and thermal stability of aluminum alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105838943B (en) | A kind of pressing method of Al Mg Si aluminium alloys and its section bar | |
| CN106513456B (en) | A kind of high-strength 2024 aluminium alloy thin-walled angle section production technology | |
| CN107008763A (en) | A kind of extrusion process of aluminium alloy extrusions | |
| CN103103424B (en) | Method for manufacturing aviation aluminum alloy profiles by double aging | |
| CN107377648A (en) | A kind of extrusion process of aluminium alloy extrusions | |
| CN105838938A (en) | Preparing method for 6-series aluminum alloy sectional bar | |
| CN107739925B (en) | A kind of high-strength high-elongation ratio automobile absorber aluminum alloy production process | |
| CN107931343A (en) | A kind of extrusion process of aluminium alloy extrusions | |
| CN105925921B (en) | A kind of ultra-thin allotype aluminum alloy extrudate production technology and product | |
| CN107326227A (en) | Rail transit vehicle body skirtboard aluminium alloy extrusions and its manufacture method | |
| CN106399881A (en) | Technique for improving performances of 7075 aluminum alloy extruded material | |
| CN109439979A (en) | 6063T6 improved aluminum alloy and its processing method | |
| CN106890865B (en) | Major diameter AQ80M magnesium alloy cake materials squeeze forging and integrate forming technology | |
| CN103589924B (en) | A kind of technique of producing aerospace component rods and bars of aluminium alloy | |
| CN108103371B (en) | A kind of high-performance space flight fastener aluminium alloy wires production method | |
| CN106653154A (en) | High-strength aluminum-clad steel wire and production method thereof | |
| CN111790864B (en) | Forging method for improving oxidation resistance and electric breakdown performance of 6-series aluminum alloy | |
| CN107937772A (en) | A kind of method with aluminum alloy forged commercial vehicle wheel | |
| CN102828130A (en) | Process for producing aluminum alloy conductor | |
| CN106884129A (en) | A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle | |
| CN107740015A (en) | A kind of two-stage time effect process for lifting extruded aluminium section yield strength | |
| CN107099704A (en) | A kind of preparation method of the big specification Al Mg Si Mn alloy pipes of Weaving device | |
| CN102787263B (en) | Method for manufacturing aluminum alloy rivet rod for aerospace product | |
| CN111690855A (en) | Aluminum alloy extrusion material for bearing block and manufacturing method thereof | |
| CN102825092B (en) | Production process of hard aluminum alloy profiles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180227 |
|
| RJ01 | Rejection of invention patent application after publication |