CN109940094A - A kind of mold and method of gradient strain regulation magnesium alloy plate formability - Google Patents
A kind of mold and method of gradient strain regulation magnesium alloy plate formability Download PDFInfo
- Publication number
- CN109940094A CN109940094A CN201910315882.3A CN201910315882A CN109940094A CN 109940094 A CN109940094 A CN 109940094A CN 201910315882 A CN201910315882 A CN 201910315882A CN 109940094 A CN109940094 A CN 109940094A
- Authority
- CN
- China
- Prior art keywords
- plate
- magnesium alloy
- alloy plate
- gasket
- mold
- 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
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
- Forging (AREA)
Abstract
The invention discloses the molds that a kind of gradient strains regulation magnesium alloy plate formability, and the mold includes fixed plate and clamping plate, is connected between the fixed plate and clamping plate by connecting plate；The fixed plate is made of plate A and plate B, and mesoplate A is fixed with connecting plate, and it is free to slide that plate B can prolong connecting plate；The strain region for placing gasket and magnesium alloy plate is provided between plate A and plate B；The gasket and magnesium alloy plate have the bevel edge of shape at angle theta, gasket and magnesium alloy plate to overlap placement along inclined tab, and the clamping plate is equipped with for making clamping plate compress plate B to the mobile fastening bolt with setting-up piece and magnesium alloy plate of plate A.The invention also discloses a kind of methods that gradient strains regulation magnesium alloy plate formability, there is the compression gasket of certain angle to realize that magnesium alloy plate gradient strains by designing, and then regulate and control magnesium alloy plate texture orientation, weaken texture, the final formability for improving magnesium alloy plate.
Description
Technical field
The invention belongs to Magnesium alloy AZ91D fields, and in particular to a kind of gradient strain regulation magnesium alloy plate formability
Tool and method.
Background technique
The magnesium alloy structural metallic materials most light as currently practical application, in aerospace, communications and transportation and 3C electronics
The fields such as product extensive application.Due to its close-packed hexagonal structure (HCP), magnesium alloy often shows poor room temperature mechanics
Performance and plastic forming ability, especially punching performance, business AZ31 magnesium alloy sheet room temperature Erichsen number (IE) only 3mm or so,
Seriously limit the popularization and use of magnesium-alloy material.
Summary of the invention
To solve the problems, such as that existing business magnesium alloy plate formability is low, it is an object of that present invention to provide a kind of strains of gradient
The mold and method for regulating and controlling magnesium alloy plate formability have the compression gasket of certain angle to realize magnesium alloy plate by designing
The strain of material gradient, and then regulate and control magnesium alloy plate texture orientation, texture is weakened, it is final to improve sheet material forming.
For achieving the above object, technical solution as described below is specifically provided:
1, a kind of mold of gradient strain regulation magnesium alloy plate formability, the mold includes fixed plate and clamping plate, institute
It states and is connected between fixed plate and clamping plate by connecting plate；
The fixed plate is made of plate A and plate B, and mesoplate A is fixed with connecting plate, and plate B can prolong connecting plate certainly
By sliding；The strain region for placing gasket and magnesium alloy plate is provided between plate A and plate B；The gasket and magnesium close
Golden plate material has the bevel edge of shape at angle theta, gasket and magnesium alloy plate to overlap placement along inclined tab.
The clamping plate is equipped with for making clamping plate compress plate B to the mobile fastening with setting-up piece and magnesium alloy plate of plate A
Bolt.
Further, be equipped with elastic support sheet between the plate B and bolt device, the elastic support sheet and plate B by
Multiple supporting block connections.
Further, the connecting plate has 2 pieces, is respectively placed in the both ends of fixed plate and clamping plate.
Further, with the value range of gasket in upper mold and magnesium alloy plate θ for 0-60 °.
2, a kind of method of gradient strain regulation magnesium alloy plate formability, includes the following steps:
(1) magnesium alloy plate and gasket for taking bevel edge shape at angle theta, by magnesium alloy plate under the conditions of 300-400 DEG C
Homogenizing annealing handles 30-120min, then overlaps gasket and magnesium alloy plate along inclined tab and is placed in mold strain region
It is interior；Then mold is placed on hydraulic or electronic universal tester；
(2) adjust fastening bolt, clamping plate by elastic support sheet make supporting block uniformly squeeze plate B to plate A move with
Setting-up piece and magnesium alloy plate；It is carried out in advance by hydraulic or electronic universal tester along the length direction of parallel magnesium alloy plate
Alternating compression, rate of deformation 10-1-102mm/s；
(3) magnesium alloy plate after alternating compression keeps the temperature 60-180min under the conditions of 250-400 DEG C, that is, completes to modify tone
Control.
Further, the value range of gasket and magnesium alloy plate θ are 0-60 ° in the above method.
The beneficial effects of the invention are that: the present invention is by designing the mould of gradient strain regulation magnesium alloy plate formability a kind of
Tool, and then a kind of method for realizing gradient strain regulation magnesium alloy plate formability is obtained, there is certain angle by designing
Compression gasket regulates and controls magnesium alloy plate texture orientation to realize that magnesium alloy plate gradient strains, and weakens texture, final to improve
Sheet material forming.
Detailed description of the invention
Fig. 1 is a kind of die drawing of gradient strain regulation magnesium alloy plate formability；
Fig. 2 is the side view of gasket and magnesium alloy plate.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail:
The mold of a kind of gradient strain regulation magnesium alloy plate formability disclosed by the invention as shown in Figure 1:, the mold
Including fixed plate 1 and clamping plate 3, connected between the fixed plate and clamping plate by connecting plate 6；The connecting plate has 2 pieces, is respectively placed in
The both ends of fixed plate and clamping plate；
The fixed plate is made of plate A11 and plate B12, and mesoplate A11 is fixed with connecting plate, and plate B12 can prolong
Connecting plate is free to slide；The strain region for placing gasket 2 and magnesium alloy plate 4 is provided between plate A11 and plate B12；
The gasket and magnesium alloy plate have the bevel edge of shape at angle theta, gasket and magnesium alloy plate to put along inclined tab overlapping, and θ's takes
Being worth range is 0-60 °；The side view of gasket and magnesium alloy plate is as shown in Figure 2:
Clamping plate described in this mold, which is equipped with, to be closed for making clamping plate compress plate B12 to plate A is mobile with setting-up piece and magnesium
The fastening bolt 7 of golden plate；
Plate B12 described in this mold and between bolt device be equipped with elastic support sheet 5, the elastic support sheet and plate
B12 is connected by multiple supporting blocks 8.
The invention also discloses a kind of methods that gradient strains regulation magnesium alloy plate formability, comprising the following steps:
(1) magnesium alloy plate and gasket for taking bevel edge shape at angle theta, by magnesium alloy plate under the conditions of 300-400 DEG C
Homogenizing annealing handles 30-120min, then overlaps gasket and magnesium alloy plate along inclined tab and is placed in mold strain region
It is interior；Then mold is placed on hydraulic or electronic universal tester；The value range of θ is 0-60 °；
(2) fastening bolt 7 is adjusted, clamping plate 3 makes supporting block 8 uniformly squeeze plate B12 to plate by elastic support sheet 5
A11 is mobile with setting-up piece 2 and magnesium alloy plate 4；By hydraulic or electronic universal tester along the length of parallel magnesium alloy plate
It spends direction and carries out predeformation compression, rate of deformation 10-1-102mm/s；
(3) magnesium alloy plate after alternating compression keeps the temperature 60-180min under the conditions of 250-400 DEG C, that is, completes to modify tone
Control.
Embodiment 1
(1) take the angled 5 ° of shapes of bevel edge having a size of 100mm (width) × 100mm (length) × 1mm (thickness) AZ31 magnesium alloy plate
The gasket of material and the angled 5 ° of shapes of bevel edge, by magnesium alloy plate, homogenizing annealing handles 60min under the conditions of 300 DEG C, then
Gasket and magnesium alloy plate are overlapped along inclined tab and are placed in mold strain region；Then mold is placed in hydraulic or electronics ten thousand
On energy testing machine
(2) fastening bolt 7 is adjusted, clamping plate 3 makes supporting block 8 uniformly squeeze plate B12 to plate by elastic support sheet 5
A11 is mobile with setting-up piece 2 and magnesium alloy plate 4；By hydraulic or electronic universal tester along the length of parallel magnesium alloy plate
It spends direction and carries out predeformation compression, rate of deformation 0.1mm/s；
(3) magnesium alloy plate after alternating compression keeps the temperature 90min under the conditions of 300 DEG C, that is, completes strain regulation.
Original magnesium alloy plate and the magnesium alloy plate after alternating compression are tested for the property, obtained as shown in Table 1
As a result:
Table 1: the magnesium alloy plate performance test data table after original magnesium alloy plate and alternating compression
| Sample | Erichsen number (mm) | Plastic strain ratio (r value) |
| Original sample | 2.8 | 1.59 |
| Sample after deformation | 6.2 | 0.95 |
Embodiment 2
(1) take the angled 10 ° of shapes of bevel edge having a size of 100mm (width) × 100mm (length) × 1mm (thickness) AZ31 magnesium alloy plate
The gasket of material and the angled 10 ° of shapes of bevel edge, by magnesium alloy plate, homogenizing annealing handles 60min under the conditions of 300 DEG C, so
Gasket and magnesium alloy plate are overlapped along inclined tab afterwards and are placed in mold strain region；Then mold is placed in hydraulic or electronics
On universal testing machine.
(2) fastening bolt 7 is adjusted, clamping plate 3 makes supporting block 8 uniformly squeeze plate B12 to plate by elastic support sheet 5
A11 is mobile with setting-up piece 2 and magnesium alloy plate 4；By hydraulic or electronic universal tester along the length of parallel magnesium alloy plate
It spends direction and carries out predeformation compression, rate of deformation 1mm/s；
(3) magnesium alloy plate after alternating compression keeps the temperature 120min under the conditions of 300 DEG C, that is, completes strain regulation.
Original magnesium alloy plate and the magnesium alloy plate after alternating compression are tested for the property, obtained as shown in Table 2
As a result:
Table 2: the magnesium alloy plate performance test data table after original magnesium alloy plate and alternating compression
| Sample | Erichsen number (mm) | Plastic strain ratio (r value) |
| Original sample | 2.8 | 1.59 |
| Sample after deformation | 7.1 | 0.97 |
By table 1~2 in above embodiments it can be gathered that, through the invention the method design different angle gasket and
The magnesium alloy plate for the same angle matched carries out compression strain to realize that gradient strains.Realize differently strained gradient regulation magnesium alloy
Crystal grain is orientated when sheet deformation, and final realize improves magnesium alloy plate formability, and sample Erichsen number is much larger than original examination after deformation
Sample.
Finally, it is stated that above, the embodiment of the present invention is explained in detail, but of the invention and unlimited
In above embodiment, within the knowledge of a person skilled in the art, ancestor of the present invention can also not departed from
It is made a variety of changes under the premise of purport.
Claims (6)
1. a kind of mold of gradient strain regulation magnesium alloy plate formability, which is characterized in that the mold include fixed plate and
Clamping plate is connected between the fixed plate and clamping plate by connecting plate；
The fixed plate is made of plate A and plate B, and mesoplate A is fixed with connecting plate, and plate B can prolong connecting plate free skating
It is dynamic；The strain region for placing gasket and magnesium alloy plate is provided between plate A and plate B；The gasket and magnesium alloy plate
Material has the bevel edge of shape at angle theta, gasket and magnesium alloy plate to overlap placement along inclined tab.
The clamping plate is equipped with for making clamping plate compress plate B to the mobile fastening bolt with setting-up piece and magnesium alloy plate of plate A.
2. a kind of mold of gradient strain regulation magnesium alloy plate formability according to claim 1, which is characterized in that described
Elastic support sheet is equipped between plate B and bolt device, the elastic support sheet is connect with plate B by multiple supporting blocks.
3. a kind of mold of gradient strain regulation magnesium alloy plate formability according to claim 1, which is characterized in that described
Connecting plate has 2 pieces, is respectively placed in the both ends of fixed plate and clamping plate.
4. a kind of mold of gradient strain regulation magnesium alloy plate formability according to claim 1, which is characterized in that θ's
Value range is 0-60 °.
5. a kind of method of gradient strain regulation magnesium alloy plate formability, which comprises the steps of:
(1) magnesium alloy plate and gasket for taking bevel edge shape at angle theta, under the conditions of 300-400 DEG C uniformly by magnesium alloy plate
Annealing handles 30-120min, then overlaps gasket and magnesium alloy plate along inclined tab and is placed in mold strain region；So
Mold is placed on hydraulic or electronic universal tester afterwards；
(2) fastening bolt is adjusted, clamping plate makes supporting block uniformly squeeze plate B to plate A movement with fixation by elastic support sheet
Gasket and magnesium alloy plate；Predeformation is carried out along the length direction of parallel magnesium alloy plate by hydraulic or electronic universal tester
Compression, rate of deformation 10-1-102mm/s；
(3) magnesium alloy plate after alternating compression keeps the temperature 60-180min under the conditions of 250-400 DEG C, that is, completes strain regulation.
6. a kind of method of gradient strain regulation magnesium alloy plate formability according to claim 5, which is characterized in that θ's
Value range is 0-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910315882.3A CN109940094B (en) | 2019-04-19 | 2019-04-19 | Mold and method for regulating and controlling formability of magnesium alloy plate through gradient strain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910315882.3A CN109940094B (en) | 2019-04-19 | 2019-04-19 | Mold and method for regulating and controlling formability of magnesium alloy plate through gradient strain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109940094A true CN109940094A (en) | 2019-06-28 |
| CN109940094B CN109940094B (en) | 2021-04-16 |
Family
ID=67015630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910315882.3A Active CN109940094B (en) | 2019-04-19 | 2019-04-19 | Mold and method for regulating and controlling formability of magnesium alloy plate through gradient strain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109940094B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293166A (en) * | 2019-07-03 | 2019-10-01 | 太原科技大学 | A kind of texture preparation method and device for valve plate of plunger pump |
| CN114277328A (en) * | 2021-12-21 | 2022-04-05 | 重庆大学 | Functional gradient material preparation equipment and method based on eddy current |
| CN114990459A (en) * | 2022-06-30 | 2022-09-02 | 重庆科技学院 | Magnesium alloy plate and method for preparing magnesium alloy plate through bidirectional composite torsion |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818095A (en) * | 2006-03-16 | 2006-08-16 | 中南大学 | Method and mould for producing face-centered cubic metal plate with fine grain |
| CN101041167A (en) * | 2007-04-26 | 2007-09-26 | 大连理工大学 | Method for preparing high-temperature-room type plasticity magnesium alloy sheet material |
| CN103255329A (en) * | 2013-05-07 | 2013-08-21 | 宝山钢铁股份有限公司 | Low-cost fine-grain weak-texture magnesium alloy sheet and manufacturing method thereof |
| CN103540881A (en) * | 2013-11-08 | 2014-01-29 | 中南大学 | Processing method for improving drawing and pressing asymmetry of magnesium alloy |
| CN103878195A (en) * | 2014-03-31 | 2014-06-25 | 重庆市科学技术研究院 | Magnesium alloy plate extrusion forming method |
| CN104492847A (en) * | 2014-10-30 | 2015-04-08 | 重庆大学 | Extruding method for texture-weakened magnesium alloy sheet |
| CN108588603A (en) * | 2018-04-17 | 2018-09-28 | 重庆大学 | A kind of texture modification techniques and product promoting magnesium alloy extrusion sheet material temperature-room type plasticity |
| CN109261741A (en) * | 2018-10-11 | 2019-01-25 | 重庆科技学院 | A method of regulation Texture |
-
2019
- 2019-04-19 CN CN201910315882.3A patent/CN109940094B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1818095A (en) * | 2006-03-16 | 2006-08-16 | 中南大学 | Method and mould for producing face-centered cubic metal plate with fine grain |
| CN101041167A (en) * | 2007-04-26 | 2007-09-26 | 大连理工大学 | Method for preparing high-temperature-room type plasticity magnesium alloy sheet material |
| CN103255329A (en) * | 2013-05-07 | 2013-08-21 | 宝山钢铁股份有限公司 | Low-cost fine-grain weak-texture magnesium alloy sheet and manufacturing method thereof |
| CN103540881A (en) * | 2013-11-08 | 2014-01-29 | 中南大学 | Processing method for improving drawing and pressing asymmetry of magnesium alloy |
| CN103878195A (en) * | 2014-03-31 | 2014-06-25 | 重庆市科学技术研究院 | Magnesium alloy plate extrusion forming method |
| CN104492847A (en) * | 2014-10-30 | 2015-04-08 | 重庆大学 | Extruding method for texture-weakened magnesium alloy sheet |
| CN108588603A (en) * | 2018-04-17 | 2018-09-28 | 重庆大学 | A kind of texture modification techniques and product promoting magnesium alloy extrusion sheet material temperature-room type plasticity |
| CN109261741A (en) * | 2018-10-11 | 2019-01-25 | 重庆科技学院 | A method of regulation Texture |
Non-Patent Citations (1)
| Title |
|---|
| 何俊杰: "织构调控改善镁合金板材成形性能的研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293166A (en) * | 2019-07-03 | 2019-10-01 | 太原科技大学 | A kind of texture preparation method and device for valve plate of plunger pump |
| CN114277328A (en) * | 2021-12-21 | 2022-04-05 | 重庆大学 | Functional gradient material preparation equipment and method based on eddy current |
| CN114277328B (en) * | 2021-12-21 | 2022-06-03 | 重庆大学 | Functional gradient material preparation equipment and method based on eddy current |
| CN114990459A (en) * | 2022-06-30 | 2022-09-02 | 重庆科技学院 | Magnesium alloy plate and method for preparing magnesium alloy plate through bidirectional composite torsion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109940094B (en) | 2021-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109940094A (en) | A kind of mold and method of gradient strain regulation magnesium alloy plate formability | |
| CN105039881B (en) | A kind of magnesium alloy sheet forming property ameliorative way based on twinning deformation | |
| Asnafi | On stretch and shrink flanging of sheet aluminium by fluid forming | |
| Taylor | Formability testing of sheet metals | |
| CN104438481A (en) | Method for manufacturing large-curvature aluminum alloy integral wall board component | |
| CN105855382A (en) | Creep age forming method for wallboard and pre-pressing mold | |
| CN109855958A (en) | A kind of prediction technique of material during tensile performance | |
| CN201618800U (en) | U-shaped self-bearing weight mould with adjustable bending springback angle | |
| CN111069499A (en) | Forging process method for TC18 titanium alloy large-scale binding support forge piece | |
| CN108856442A (en) | A kind of thermo electromagnetic forming device and method of Skin Parts | |
| CN109977442A (en) | A kind of method for numerical simulation of super thick slab multi- pass rolling technique | |
| CN112536358A (en) | Process and die device for creep age forming of complex variable-curvature component | |
| CN103911571A (en) | Method for improving plasticity of magnesium alloy sheets | |
| CN110016627A (en) | A method of the preset stretching twin in wide magnesium alloy plate | |
| CN211814576U (en) | Heat-proof treatment deformation tool for large-scale shell thin-wall product | |
| CN109848277A (en) | A kind of titanium alloy plate hot-stretch fixture for forming and manufacturing process | |
| Wisselink et al. | Finite Element Simulation of the Stretch‐Forming of Aircraft Skins | |
| Liu et al. | Hot stamping of AA6082 tailor welded blanks: experiment and FE simulation | |
| CN113486458A (en) | DEFORM simulation-based method for predicting influence of anisotropy on steel bending cracking | |
| CN206305304U (en) | Prevent the processing unit (plant) of high-strength steel part drop stamping buckling deformation | |
| Chen et al. | Numerical simulation of different clamping modes on stretch forming parts | |
| CHU et al. | Forming limit of FSW aluminum alloy blank based on a new constitutive model | |
| CN206425481U (en) | A kind of support base of automobile die | |
| Zhang et al. | Numerical Simulation of Electro-Superplastic for 1420 Al-Li Alloy | |
| CN113967668B (en) | Processing method for improving forming precision of 7A85 alloy extruded sheet large-size cylindrical part |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240430 Address after: 529400 Second Floor, No.6 Nanchang Village, Encheng Industrial Fourth Road, Enping City, Jiangmen City, Guangdong Province (Information Declaration System) Patentee after: Jiangmen Zhuanyi Information Technology Co.,Ltd. Country or region after: China Address before: No. 20, East Road, University City, Chongqing, Shapingba District, Chongqing Patentee before: Chongqing University of Science & Technology Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240514 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 |