CN105755411B - The method for weakening magnesium alloy plate texture - Google Patents
The method for weakening magnesium alloy plate texture Download PDFInfo
- Publication number
- CN105755411B CN105755411B CN201610259728.5A CN201610259728A CN105755411B CN 105755411 B CN105755411 B CN 105755411B CN 201610259728 A CN201610259728 A CN 201610259728A CN 105755411 B CN105755411 B CN 105755411B
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- magnesium alloy
- alloy plate
- roller
- weakening
- texture
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003313 weakening effect Effects 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 7
- 238000000137 annealing Methods 0.000 claims description 8
- 239000013078 crystal Substances 0.000 abstract description 2
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of method for weakening magnesium alloy plate texture, this method is by magnesium alloy plate BENDING PROCESS, applying sinusoidal deformation perpendicular to sheet metal thickness direction, crystal grain is deflected, basal plane texture is weakened, so as to improve sheet material room temperature crystallized ability.By the above method, the basal plane texture intensity of obtained magnesium alloy plate is significantly reduced, and deflects diverging to side.
Description
Technical field
The present invention relates to non-ferrous metals processing field, more particularly to a kind of method for weakening magnesium alloy plate texture.
Background technology
Magnesium alloy is metal material most light in current commercial Application, with damping property is excellent, capability of electromagnetic shielding is good,
Shock resistance, it is wear-resisting, the advantages of be easily recycled.Using the wrought magnesium alloy sheet material of the plastic working production such as extruding, rolling, with more
Mechanical property well, diversified structure, extensively should be obtained in fields such as Aero-Space, automobile, electronics industry, 3C Products
With and showing increasing potentiality, meet the light, thin and integrated etc. of product and require.However, typically commonly extruding and rolling
The magnesium alloy plate of the plastic workings such as technique processed all has stronger basal plane texture, is unfavorable for later product and uses and its secondary modeling
Property processing.
The content of the invention
In view of this, it is an object of the invention to provide a kind of method for weakening magnesium alloy plate texture.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of method for weakening magnesium alloy plate texture, comprises the following steps：
A. in magnesium alloy plate BENDING PROCESS, apply perpendicular to magnesium alloy plate thickness direction and deform, by introducing ripple
Roller rotating speed V is organized in shape flexural deformation, regulation and controlUpper group of roller, the following group roller rotating speed VThe following group rollerWith sheet material flexural deformation rate αhThree parameters, wherein, αh
To start sheet metal thickness h0With the difference and h of final sheet material thickness h0Ratio, VUpper group of roller/VThe following group roller=0.1-10, αh=1%-5%；
B. magnesium alloy plate step A obtained carries out stress relief annealing.
Further, apply in step A perpendicular to magnesium alloy plate thickness direction no less than the deformation of 1 passage.
Further, V in the step AUpper group of roller/VThe following group roller=1, αh=1%.
Further, stress relief annealing temperature is 200-300 DEG C in the step B, and the time is 2-6h.
It is another object of the present invention to protect according to magnesium alloy plate made from the above method.
The method have the benefit that：
The invention is by magnesium alloy plate BENDING PROCESS, perpendicular to the multigroup flexural deformation of sheet metal thickness direction application,
Crystal grain is deflected, basal plane texture is weakened, so as to improve sheet material room temperature crystallized ability.By the above method, obtained magnesium is closed
The basal plane texture intensity of golden plate material is significantly reduced, and deflects diverging to side.
Brief description of the drawings
Fig. 1 is that magnesium alloy plate sinusoidal deforms schematic diagram, passes through upper group of roller rotating speed, the following group roller rotating speed, predeformation amount
And the parameter setting such as the distance that staggers of upper the following group roller regulates and controls sinusoidal predeformation technique.The quantity of group roller can take R=1,
2,3,4 ..., required to set according to sheet material physical length；
Fig. 2 is sinusoidal processing parameter setting schematic diagram, and wherein R1, R2, R3, R4 is upper group of roller, and r1, r2, r3, r4 are
The following group roller；V is the rotating speed of roller, and sheet material is " waveform " by deformed shape；
Fig. 3 is the basal plane texture of the magnesium alloy plate of embodiment 1, and wherein a is the magnesium alloy before progress sinusoidal deformation
The basal plane texture of sheet material, b is the basal plane texture for carrying out the magnesium alloy plate after sinusoidal deformation.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, embodiments of the invention are carried out below detailed
Thin description.
Embodiment 1
A kind of method for weakening magnesium alloy plate texture, is comprised the steps of：
A. quality group is turned into 3%Al, 1%Zn, 0.4%Mn, 95.6%Mg AZ31 magnesium alloy plates in BENDING PROCESS
In, apply perpendicular to magnesium alloy plate thickness direction and deform, deformed by introducing sinusoidal, group roller rotating speed V in regulation and controlUpper group of roller、
The following group roller rotating speed VThe following group rollerWith sheet material flexural deformation rate αhThree parameters, wherein, αhTo start sheet metal thickness h0With final sheet metal thickness
H difference and h0Ratio,
VUpper group of roller/VThe following group roller=1, αh=1%；
B. magnesium alloy plate step A obtained carries out stress relief annealing.
Apply the deformation of 1 passage perpendicular to magnesium alloy plate thickness direction in step A；Destressing temperature is 250 in step B
DEG C, the time is 4h；The basal plane texture intensity before and after sinusoidal deformation is determined at room temperature, and test result is as shown in the table.
Fig. 3 is the basal plane texture of the magnesium alloy plate of embodiment 1, and wherein a is the magnesium alloy before progress sinusoidal deformation
The basal plane texture of sheet material, b is the basal plane texture for carrying out the magnesium alloy plate after sinusoidal deformation.From above-mentioned test result and figure
3 to magnesium alloy as can be seen that carry out after sinusoidal deformation, basal plane texture intensity is reduced to 6.3 from 18.3, and inclined to side
Forwarding is dissipated, and basal plane texture is substantially weakened.
Embodiment 2
A kind of method for weakening magnesium alloy plate texture, is comprised the steps of：
A. quality group is turned into 3%Al, 1%Zn, 0.4%Mn, 95.6%Mg AZ31 magnesium alloy plates in BENDING PROCESS
In, apply perpendicular to magnesium alloy plate thickness direction and deform, deformed by introducing sinusoidal, group roller rotating speed V in regulation and controlUpper group of roller、
The following group roller rotating speed VThe following group rollerWith sheet material flexural deformation rate αhThree parameters, wherein, αhTo start sheet metal thickness h0With final sheet metal thickness
H difference and h0Ratio,
VUpper group of roller/VThe following group roller=0.1, αh=5%；
B. magnesium alloy plate step A obtained carries out stress relief annealing.
Apply the deformation of 3 passages perpendicular to magnesium alloy plate thickness direction in step A.；Stress relief annealing temperature in the step B
Spend for 200 DEG C, the time is 6h.The basal plane texture intensity before and after sinusoidal deformation, test result such as following table are determined at room temperature
It is shown.
It was found from above-mentioned test result, magnesium alloy is carried out after sinusoidal deformation, basal plane texture intensity has been obtained substantially
Reduction.
Embodiment 3
A kind of method for weakening magnesium alloy plate texture, is comprised the steps of：
A. quality group is turned into 3%Al, 1%Zn, 0.4%Mn, 95.6%Mg AZ31 magnesium alloy plates in BENDING PROCESS
In, apply perpendicular to magnesium alloy plate thickness direction and deform, deformed by introducing sinusoidal, group roller rotating speed V in regulation and controlUpper group of roller、
The following group roller rotating speed VThe following group rollerWith sheet material flexural deformation rate αhThree parameters, wherein, αhTo start sheet metal thickness h0With final sheet metal thickness
H difference and h0Ratio,
VUpper group of roller/VThe following group roller=10, αh=3%；
B. magnesium alloy plate step A obtained carries out stress relief annealing.
Apply stress relief annealing temperature in the deformation of 4 passages, the step B perpendicular to magnesium alloy plate thickness direction in step A
Spend for 300 DEG C, the time is 2h.The basal plane texture intensity before and after sinusoidal deformation, test result such as following table are determined at room temperature
It is shown.
It was found from above-mentioned test result, magnesium alloy is carried out after sinusoidal deformation, basal plane texture intensity has been obtained substantially
Reduction.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area it is general
Lead to it will be appreciated by the skilled person that can be modified to technical scheme or equivalent substitution, without departing from technical solution of the present invention
Objective and scope, it all should cover among scope of the presently claimed invention.
Claims (4)
1. a kind of method for weakening magnesium alloy plate texture, it is characterised in that comprise the steps of：
A. in magnesium alloy plate BENDING PROCESS, apply perpendicular to magnesium alloy plate thickness direction and deform, it is curved by introducing waveform
Group roller rotating speed V in song deformation, regulation and controlUpper group of roller, the following group roller rotating speed VThe following group rollerWith sheet material flexural deformation rate αhThree parameters, wherein, αhTo open
Beginning sheet metal thickness h0With the difference and h of final sheet material thickness h0Ratio, VUpper group of roller/VThe following group roller=0.1-10, αh=1%-5%；
B. magnesium alloy plate step A obtained carries out stress relief annealing 2-6h at a temperature of 200-300 DEG C.
2. a kind of method for weakening magnesium alloy plate texture according to claim 1, it is characterised in that in the step A
Apply perpendicular to magnesium alloy plate thickness direction no less than the deformation of 1 passage.
3. a kind of method for weakening magnesium alloy plate texture according to claim 1, it is characterised in that in the step A
VUpper group of roller/VThe following group roller=1, αh=1%.
4. magnesium alloy plate made from any one of claim 1-3 methods described.
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| CN201610259728.5A CN105755411B (en) | 2016-04-25 | 2016-04-25 | The method for weakening magnesium alloy plate texture |
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|---|---|---|---|
| CN201610259728.5A CN105755411B (en) | 2016-04-25 | 2016-04-25 | The method for weakening magnesium alloy plate texture |
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| CN105755411B true CN105755411B (en) | 2017-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293130A (en) * | 2019-05-23 | 2019-10-01 | 太原理工大学 | A kind of method that oblique corrugation inhibits magnesium alloy plate edge to split |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107497874B (en) * | 2017-08-04 | 2019-02-26 | 重庆大学 | A kind of pressing method using curved interface structure regulating magnesium alloy plate texture |
| CN108817133A (en) * | 2018-04-17 | 2018-11-16 | 河南明镁镁业科技有限公司 | A kind of magnesium alloy texture weakening apparatus and method |
| CN114990459B (en) * | 2022-06-30 | 2023-03-31 | 重庆科技学院 | Magnesium alloy plate and method for preparing magnesium alloy plate through bidirectional composite torsion |
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| CN102127724B (en) * | 2010-11-11 | 2012-06-06 | 中南大学 | Method for preparing magnesium alloy plate strip with grain size in symmetric gradient distribution along plate thickness direction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293130A (en) * | 2019-05-23 | 2019-10-01 | 太原理工大学 | A kind of method that oblique corrugation inhibits magnesium alloy plate edge to split |
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Effective date of registration: 20240523 Address after: 471000 Jianxi District, Luoyang City, Henan Province, No. 50 Jianxi Road Patentee after: CHINALCO LUOYANG COPPER PROCESSING CO.,LTD. Country or region after: China Address before: 529400 Second Floor, No.6 Nanchang Village, Encheng Industrial Fourth Road, Enping City, Jiangmen City, Guangdong Province (Information Declaration System) Patentee before: Jiangmen Zhuanyi Information Technology Co.,Ltd. Country or region before: China |