CN205710875U - A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy - Google Patents
A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy Download PDFInfo
- Publication number
- CN205710875U CN205710875U CN201620166587.8U CN201620166587U CN205710875U CN 205710875 U CN205710875 U CN 205710875U CN 201620166587 U CN201620166587 U CN 201620166587U CN 205710875 U CN205710875 U CN 205710875U
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- forging
- die
- cushion block
- pulse current
- 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.)
- Expired - Fee Related
Links
Abstract
This utility model relates to a kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy, specifically includes: heater, attemperator, forging apparatus and seal.It is characterized in that the assosting effect utilizing the external pulse current of this device that multiway forging process is played so that the heating of pulse current during multiway forging, plasticising and crystal grain refinement effect are applied on magnesium alloy forging stock.High-efficiency heating and the insulation of forging stock during magnesium alloy multiway forging it is capable of by device described in the utility model, and in deformation process, the pulse current promotion effect to magnesium alloy recrystallization, further crystal grain thinning can be made full use of, have effectively achieved the Strengthening and Toughening of magnesium alloy.Forging and stamping during common multiway forging can be eliminated passage is more, need repeatedly to heat, forge energy consumption that the unfavorable factors such as length front heat time heating time, grain refining weak effect cause and the high problem of cost, effectively improve the Strengthening and Toughening effect of magnesium alloy, improve efficiency.
Description
Technical field
This utility model relates to metal material processing field, is specifically related to one and utilizes pulse current auxiliary multiway forging strong
The device of toughening magnesium alloy.
Background technology
Magnesium alloy is as a kind of formal material first Application the thirties in industry tangible 20th century, and it is applied at that time
The piston of racing car.But, magnesium alloy is also considered to be a kind of special material of limited potential that kind.Sending out along with science and technology afterwards
Exhibition is with progressive, and the feature of magnesium alloy materials is found further: 1. density is little, lighter by 1/3rd than aluminum, and (tension is strong for its specific strength
Degree and the ratio of density) relatively aluminium alloy height;2. fatigue limit is high;3. bigger shock loading can be born than aluminium alloy;4. heat conduction
Property is good;5. castability is good;Good stability of the dimension;7. it is easily recycled;8. there is good machinability;9. have the most damping
Energy;10. more superior than engineering plastics in all many-sides, alternative engineering plastics;Resistance in kerosene, gasoline, mineral oil and bases
Erosion property is more high.Nowadays magnesium alloy irreplaceable a kind of material in having become the industry such as automobile, aviation and electronics.But magnesium closes
Gold also has certain defect, has the shortcomings such as the mechanical property such as plasticity, toughness is poor, therefore to obtain the more preferable magnesium of performance
Alloy raw material also needs corresponding subsequent technique to process to improve its mechanical property.
Research shows, crystal grain refinement is one of important means improving magnesium alloy combination property, large plastometric set in recent years
Method, such as Equal Channel Angular Pressing (ECAE), accumulation ply rolling (ARB), multi-pass upsetting squeeze, multiway forging etc., as crystal grain thinning to obtain
The effective way obtaining high performance material is of great interest, and in these methods, multiway forging is owing to having technique letter
List, low cost, can prepare the features such as large block compact material have uniqueness technical advantage obtain substantial amounts of application.But it is existing
Multiway forging technique there is also some problems urgently to be resolved hurrily, as forging and stamping passage is more, need repeatedly to heat, forge before heat time heating time
Length, the efficiency of heating surface are low, and these all cause this production efficiency lowly, relatively costly, seriously constrain it further
Popularization and application, be necessary for this for these problems, multidirectional forging process to be improved.To promote multiway forging further
Technological effect, improve working (machining) efficiency.
Pulse current improves material property, the supplementary means of raising process efficiency, being permitted at material forming as a kind of
Being applied in Alternative, pulse current can improve the plastic deformation ability of metal material, promotes the crystallization mistake of non-crystaline amorphous metal
Journey, improves Recrystallization nucleation rate, the solidified structure of refining alloy.So that crystal grain is refined, improve the obdurability of material, change
The comprehensive mechanical property of kind material, reduces processing cost.Therefore, this utility model plans what pulse current played in process
" heat ", " plasticising " and improve Recrystallization nucleation rate effect be applied in the multiway forging technique of magnesium alloy, comprehensive utilization
The raising Recrystallization nucleation rate of pulse current and " heating " and " plasticising " effect, to improve the efficiency of heating surface of multidirectional forging, reduce
Energy consumption and cost, promote the grain refining effect of material, reduces the passage of multiway forging, thus realizes the low cost of technique with continuous
Property.This utility model devises the pulse current auxiliary device of multidirectional forging, has carried out pulse current auxiliary multiway forging Strengthening and Toughening
The technological experiment of magnesium alloy, improves the efficiency of heating surface of multidirectional forging, reduces energy consumption and cost, promotes the grain refining effect of material,
Reduce the passage of multiway forging, thus realize low cost and the seriality of technique.
Summary of the invention
The purpose of this utility model is to provide the device of a kind of pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy, to solve
The forging and stamping passage certainly occurred during magnesium alloy multiway forging is more, need repeatedly to heat, forge length front heat time heating time, the efficiency of heating surface
Energy consumption and cost that the factors such as low, grain refining weak effect cause are high, seriality and the problem of manufacturability difference.
This utility model adopts the technical scheme that for solving above-mentioned technical problem:
A kind of pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy device, it is characterised in that: it include heater,
Attemperator, forging apparatus and seal；Wherein die device specifically includes upper bolster 1, upper ceramic wafer 2, wire 3, titanium
Plate 4, through hole 6, lower ceramic wafer 7, die shoe 8, cushion block 9, copper cushion block 10, magnesium alloy forging stock 11, thermometer hole 12, asbestos set 13,
Ceramic die 14 and copper pressure head 15 wherein upper bolster 1, upper ceramic wafer 2, copper pressure head 15 are successively along centrage from top to bottom
Being placed in parallel and be fixed together, die shoe 8, lower ceramic wafer 7 are upwards placed in parallel along centrage successively and are fixed together, will
Cushion block 9 is close to die shoe 8 and is placed, and is positioned on cushion block 9 along mold center's line by ceramic die 14；Asbestos set 13 is positioned over
Outside ceramic die 14, make these asbestos overlap 13 inwalls and be close to ceramic die 14 outer wall；Then, by copper cushion block 10 along ceramic die
14 inwalls are put into, and are positioned on lower ceramic wafer 7；, being received by upper electrode wire 3 on copper pressure head 15, bottom electrode is even meanwhile
The wire 3 connect is received on copper cushion block 10 through the through hole 6 on cushion block 9, thus forms closed-loop path with the pulse power 5, finally
Define one and comprise the whole magnesium alloy forging stock 11 die device in die cavity；And device of the present utility model is magnesium alloy
Strengthening and Toughening provides the approach of a Zhong Xin.
It also includes seal, specifically includes: upper ceramic wafer 2, ceramic die 14 and lower ceramic wafer 7；Described upper pottery
Porcelain plate 2 is between pressure head 15 and upper bolster 1, and lower ceramic wafer 7 is between die shoe 8 and copper cushion block 10；Ceramic die 14
It is positioned on cushion block 9 along device centrage, and ceramic die outer wall is locked to be placed with by asbestos and puts, thus ensure that forging stock is in absolutely
Edge state, on the one hand ensure that forging stock is effectively processed, and on the other hand ensures the personal safety of staff.
It also includes attemperator, specifically includes: titanium plate 4 and asbestos set 13.Ceramic die 14 is close to by described asbestos set 13
Outer wall is placed, and titanium plate 4 is divided into upper and lower titanium plate, is close to respectively on pressure head 15, copper cushion block 10, thus plays the forging stock in mould
To insulation effect, the effective performance ensureing forging stock.
It also includes heater, is specifically made up of with the pulse power 5 wire 3, and upper electrode wire 3 is received copper pressure
On 15, the wire 3 that bottom electrode connects is connected on copper cushion block 10 through the through hole 6 on cushion block 9, is formed with the pulse power 5
Closed-loop path, so that the pulse power 5 is switched on mould so that pulse current strong to magnesium alloy during multiway forging
Toughening plays assosting effect.
It also includes that thermometer hole 12, described thermometer hole 12 overlap 13 through ceramic die 14 with asbestos so that add mould in man-hour
Interior temperature is controlled, and can be adjusted working condition at any time.
Compared with the prior art, this utility model has the advantages that；
1. the heat effect being had magnesium alloy by pulse current, can be played forging stock during multiway forging and add
Heat effect, reduces the problems such as forging stock temperature reduces, the efficiency of heating surface is low during multiway forging, improves working (machining) efficiency.
2. the plasticising being had magnesium alloy by pulse current and raising Recrystallization nucleation rate effect, in forging process
Refine magnesium alloy crystal grain, effective Strengthening and Toughening magnesium alloy together with the large plastometric set of multidirectional forging, minimizing forging and stamping can have been played
Passage, improves the effect of grain refining.Effectively improve the performance of magnesium alloy, improve working (machining) efficiency.
3. the heating of magnesium alloy is acted on thin crystalline substance by this utility model by pulse current, eliminates the need for reprocessabilty forging
The problem of base, it is achieved the low cost of technique and seriality.
4. this utility model is simple to operate, it is easy to repacking, can process difformity according to specific needs in conductive channel
Forging.
5. this utility model is with low cost, and energy consumption is low, and the efficiency of heating surface is high, thin brilliant effective, is beneficial to save research funding, carries
High scientific research efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy device.Fig. 2 is that pulse current is auxiliary
Help the technological process of multiway forging.Pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy device specifically include upper bolster 1, on
Ceramic wafer 2, wire 3, titanium plate 4, through hole 6, lower ceramic wafer 7, die shoe 8, cushion block 9, copper cushion block 10, magnesium alloy forging stock 11, survey
Temperature hole 12, asbestos set 13, the pulse power 5, ceramic die 14 and copper pressure head 15 wherein upper bolster 1, upper ceramic wafer 2, copper
Pressure head 15 is placed in parallel from top to bottom along centrage successively and is fixed together, and die shoe 8, lower ceramic wafer 7 are successively along centrage
Upwards it is placed in parallel and is fixed together, cushion block 9 being close to die shoe 8 and places, and ceramic die 14 is put along mold center's line
It is placed on cushion block 9；Asbestos set 13 is positioned over outside ceramic die 14, makes these asbestos overlap 13 inwalls and be close to outside ceramic die 14
Wall；Then, copper cushion block 10 is put into along ceramic die 14 inwall, and be positioned on lower ceramic wafer 7；Finally, upper electrode is used
Wire 3 is received on copper pressure head 15, and the wire 3 that bottom electrode connects is received on copper cushion block 10 through the through hole 6 on cushion block 9, from
And form closed-loop path with the pulse power 5, ultimately form one and comprise the whole magnesium alloy forging stock 11 mould dress in die cavity
Put.
Detailed description of the invention
This utility model provides a kind of pulse current for magnesium alloy and assists the dress of multiway forging Strengthening and Toughening magnesium alloy
The using method put, specific embodiment is as follows:
1, three orthogonal that sets described cuboid forging stock is respectively A face, B face, C face, is faced by forging stock A
On, and be positioned on the titanium plate 4 of copper cushion block 10 along mold center's line, matched moulds.
2, forging stock being carried out precharge, moulding pressure is about at 5-10MPa, thus ensures forging stock and pressure head 15 and copper pad
The good contact of the titanium plate on block 10.
3, pulse current 5 switch is opened energising, make pulse current density reach about 25-28A/mm, remain powered on big
The about 20-40 second, the forging stock temperature made is rapidly increased to about 400 DEG C.Then reduction electric current density is to 22 A/mm, so that
Temperature be maintained at about 400 DEG C.
4, open forcing press and start pressurization, make forcing press forge A face along down direction, when sample contacts side surfaces ceramic die
Pressurization power-off is stopped during 14 inner surface.The forging stock made is lowered the temperature rapidly, it is to avoid growing up of crystal grain, maintains the effect of grain refining
Really.
5, then forging stock is taken out by die sinking, repeats said process forging B face and C face.
6, finally above-mentioned workflow is repeated 3-5 passage, just obtain the mechanical property that our required crystal grain is tiny
The magnesium alloy forging stock of excellent Strengthening and Toughening.
Claims (4)
1. the device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy, it is characterised in that: it includes adding hot charging
Put, attemperator, forging apparatus and seal；Wherein die device specifically includes upper bolster (1), upper ceramic wafer (2), leads
Line (3), titanium plate (4), through hole (6), lower ceramic wafer (7), die shoe (8), cushion block (9), copper cushion block (10), magnesium alloy forging stock
(11), thermometer hole (12), asbestos set (13), power supply (5), ceramic die (14) and copper pressure head (15)；Wherein upper bolster
(1), upper ceramic wafer (2), copper pressure head (15) be placed in parallel from top to bottom along centrage successively and be fixed together, die shoe
(8), lower ceramic wafer (7) be upwards placed in parallel along centrage successively and be fixed together, cushion block (9) is close to die shoe (8) and puts
Put, and ceramic die (14) is positioned on cushion block (9) along mold center's line；Asbestos set (13) is positioned over ceramic die (14)
Outside, makes this asbestos set (13) inwall be close to ceramic die (14) outer wall；Then, by copper cushion block (10) along ceramic die (14)
Inwall is put into, and is positioned on lower ceramic wafer (7)；Meanwhile, upper electrode wire (3) is received on copper pressure head (15), lower electricity
The wire (3) that pole connects is received on copper cushion block (10) through the through hole (6) on cushion block (9), thus constitutes with the pulse power (5)
One closed-loop path, defines one and comprises the whole magnesium alloy forging stock (11) die device in die cavity.
A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy the most according to claim 1, it is special
Levy and be: heater is made up of with the pulse power (5) wire (3), upper electrode wire (3) is received copper pressure head (15)
On, the wire (3) that bottom electrode connects is connected on copper cushion block (10), with the pulse power through the through hole (6) on cushion block (9)
(5) constitute closed-loop path so that the pulse power (5) be switched on mould.
A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy the most according to claim 1, it is special
Levy and be: it also includes ceramic wafer on seal (2), ceramic die (14) and lower ceramic wafer (7)；Described upper ceramic wafer
(2) be positioned between copper pressure head (15) and upper bolster (1), lower ceramic wafer (7) be positioned at die shoe (8) and copper cushion block (10) it
Between；Ceramic die (14) is positioned on cushion block (9) along device centrage, and ceramic die (14) outer wall is close to by asbestos set (13)
Place.
A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy the most according to claim 1, it is special
Levy and be: it also includes attemperator titanium plate (4) and asbestos set (13)；Described asbestos set (13) is close to ceramic die (14) outer wall
Placing, titanium plate (4) is divided into upper and lower titanium plate, is close to respectively on copper pressure head (15), copper cushion block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620166587.8U CN205710875U (en) | 2016-03-06 | 2016-03-06 | A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620166587.8U CN205710875U (en) | 2016-03-06 | 2016-03-06 | A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205710875U true CN205710875U (en) | 2016-11-23 |
Family
ID=57335045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620166587.8U Expired - Fee Related CN205710875U (en) | 2016-03-06 | 2016-03-06 | A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205710875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568191A (en) * | 2016-03-06 | 2016-05-11 | 哈尔滨理工大学 | Device and method for pulse current assisting multi-directional forging of toughened magnesium alloy |
| JP2019035141A (en) * | 2017-08-21 | 2019-03-07 | ソウル大学校産学協力団Ｓｅｏｕｌ Ｎａｔｉｏｎａｌ Ｕｎｉｖｅｒｓｉｔｙ Ｒ＆Ｄｂ Ｆｏｕｎｄａｔｉｏｎ | Method of enhancing moldability of magnesium alloy |
| CN114182185A (en) * | 2021-12-03 | 2022-03-15 | 上海航天精密机械研究所 | Microwave-assisted solution treatment method for magnesium alloy |
-
2016
- 2016-03-06 CN CN201620166587.8U patent/CN205710875U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568191A (en) * | 2016-03-06 | 2016-05-11 | 哈尔滨理工大学 | Device and method for pulse current assisting multi-directional forging of toughened magnesium alloy |
| CN105568191B (en) * | 2016-03-06 | 2017-07-18 | 哈尔滨理工大学 | A kind of pulse current aids in the device and method of multiway forging Strengthening and Toughening magnesium alloy |
| JP2019035141A (en) * | 2017-08-21 | 2019-03-07 | ソウル大学校産学協力団Ｓｅｏｕｌ Ｎａｔｉｏｎａｌ Ｕｎｉｖｅｒｓｉｔｙ Ｒ＆Ｄｂ Ｆｏｕｎｄａｔｉｏｎ | Method of enhancing moldability of magnesium alloy |
| CN114182185A (en) * | 2021-12-03 | 2022-03-15 | 上海航天精密机械研究所 | Microwave-assisted solution treatment method for magnesium alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105568191B (en) | A kind of pulse current aids in the device and method of multiway forging Strengthening and Toughening magnesium alloy | |
| CN205710875U (en) | A kind of device utilizing pulse current auxiliary multiway forging Strengthening and Toughening magnesium alloy | |
| CN101406925B (en) | Method for device for forming metal micro-thixotropy in semi-solid state assistant by supersonic vibration | |
| CN102397905B (en) | Hot extrusion forming method for hypereutectic Al-Si alloy | |
| CN101618498A (en) | Manufacturing process of adjusting nut | |
| CN104889186A (en) | Electrical field assisted forward and backward combined extrusion forming method for ZrTiAlV alloy | |
| CN101209478A (en) | Sheet material non-isothermal punching forming device | |
| CN103331582B (en) | A kind of method preparing metal thin-wall microtubule | |
| CN103639227A (en) | Die and method for manufacturing ultrathin-wall small cylinder part | |
| CN104624769B (en) | A kind of interior pressing formation and heat treatment integrated apparatus and method | |
| CN106563715A (en) | Panel veneer electroplastic multifunctional V-shaped bending die and system | |
| CN104117547A (en) | Continuous extrusion die of warm extrusion gear stick and machining method thereof | |
| CN102560161A (en) | Method for preparing semi-solid slurry by strain induced melt activation (SIMA) method | |
| CN110394391A (en) | A kind of device and method improving magnesium alloy Deep-drawing property using Two-dimensional current field | |
| CN201295751Y (en) | Ultrasonic vibration auxiliary semisolid metal micro thixotropic molding device | |
| CN106623469A (en) | Hot extrusion die and technique for thin-wall deep aluminum alloy cartridge piece | |
| CN109127752B (en) | Hot extrusion device and method for molybdenum and molybdenum alloy | |
| CN107671159B (en) | Limiting die pressing die for ultrasonic vibration assisted demoulding and grain refining method | |
| CN108704949A (en) | A kind of magnesium alloy channel corner hot-extrusion mold and its heating device | |
| CN112108606A (en) | Preparation method of titanium alloy forging | |
| CN104550403A (en) | Device and process for realizing high-temperature barometric bulging of hollow metal component | |
| CN104551545B (en) | The strain-induced formula semisolid state forming device of a kind of fine grained texture bearing shell and technique | |
| CN103990774A (en) | Semi-solid squeeze casting mould for composite bearing bush | |
| CN102517622A (en) | Method for preparing anode made of copper-phosphorus alloy | |
| CN110479785A (en) | The Equal Channel Angular Pressing device and method of pulse current auxiliary |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170306 |