CN100509249C - Diffusion bonding and superplastic forming device using movable insert modules - Google Patents
Diffusion bonding and superplastic forming device using movable insert modules Download PDFInfo
- Publication number
- CN100509249C CN100509249C CNB2006101658786A CN200610165878A CN100509249C CN 100509249 C CN100509249 C CN 100509249C CN B2006101658786 A CNB2006101658786 A CN B2006101658786A CN 200610165878 A CN200610165878 A CN 200610165878A CN 100509249 C CN100509249 C CN 100509249C
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- China
- Prior art keywords
- superplastic forming
- forming equipment
- movable
- diffusion combination
- gas
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/14—Preventing or minimising gas access, or using protective gases or vacuum during welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
A diffusion bonding and superplastic forming device is disclosed in the invention. The diffusion bonding and superplastic forming device comprises: an underframe having a channel for injecting a protective gas; a middle frame provided on the underframe, containing a space equiping with a plurality of bonding materials; an upper frame provided on the middle frame having a forming gas channel for injecting a forming gas which is used to apply pressure and form the bonding materials; and a plurality of movable insert modules on the bonding materials for applying pressure to the bonding materials by receiving the pressure generated by the injected forming gas.
Description
CROSS-REFERENCE TO RELATED PATENT
That the application advocates is that on December 14th, 2005 submitted in Korea S Department of Intellectual Property, application number is the right of the korean patent application of No.10-2005-0123228, incorporates its whole disclosures here into as a reference.
Technical field
The present invention relates to spread combination and superplastic forming equipment; Be specifically related to use movable merge module next diffusion combination and superplastic forming equipment in conjunction with solid body.
Background technology
In general, associated methods is divided into mechanical bond method and metallurgical binding method.In the mechanical bond method,, plastic deformation makes the object combination on faying face by taking place partly.In the metallurgical binding method, by the presumptive area of melted join face or the warm-up movement of diffuse metal atom make the object combination partly.
The diffusion associated methods is one of typical metallurgical binding method.In the diffusion associated methods, make the object combination by applying uniform pressure to binding object at a certain temperature, described temperature is enough high to carry out binding operation but can be not too high and binding object is melted.The diffusion associated methods has been widely used in the transportation industrial circle such as automobile and railway and aircraft industry field.Because this method is in conjunction with solid body, so fabulous for the part of making complicated shape.Recently, many researchs of research and development new material have obtained positive progress.The diffusion associated methods also can be used for producing various composites, as nano composite material.
In order to use the diffusion associated methods to make high-quality part, must under suitable temperature, uniform pressure be delivered to the surface of lamination sheet metal.
According to shape of product difference to be made, the height difference of lamination sheet metal.This height official post lamination sheet metal surperficial inhomogeneous.Usually, integrally manufactured single merge module is used for exerting pressure equably on uneven surface.Use the associated methods of this single merge module to have following problem.
When carrying out combination and shaping operation behind the sheet metal of the same race at the lamination differing heights, according to the height difference of lamination sheet metal, lamination sheet metal deflection difference in height.More particularly, because metal deformation rate of the same race is identical, so the difference in height (Δ L) of lamination sheet metal in the combination front and back is directly proportional with the height (L) of lamination sheet metal.Relative with the lamination less distortion total amount of the distortion total amount of laminated sheet is compared bigger.
When behind lamination sheet metal not of the same race, carrying out combination and shaping operation, according to the kind difference of metal, the deformation rate difference of lamination sheet metal.That is to say, though the sheet metal of number of different types is laminated into equal height, but after carrying out combination and shaping operation on the lamination sheet metal, the height with lamination sheet metal of high deformation rate may be lower than the height of the lamination sheet metal with low deformation rate.
Because the deflection and the deformation rate difference of lamination sheet metal height, so when carrying out combination and shaping operation, use single merge module to be difficult to uniform pressure is delivered to the lamination sheet metal.Consequently, suitably combine because transmit the sheet metal zone of less pressure, so may occur in conjunction with the problem of failing with other sheet metals.
Summary of the invention
The invention solves above-mentioned prior art problems, so one aspect of the present invention provides a kind of diffusion combination and superplastic forming equipment that uses movable merge module, this equipment has and strengthens structure to improve the adhesion between the lamination sheet metal.
According to an aspect of the present invention, the invention provides a kind of diffusion combination and superplastic forming equipment, it comprises: underframe has the protective gas injection channel; Middle frame places on the described underframe and has the space that is used to place a plurality of bond materials; Upper frame places on the described middle frame and has the shaping gas injection channel that is used for injection molding gas, and described shaping gas is used for pressurization and forms described bond material; And a plurality of movable merge modules, place on the described bond material, be used for the described bond material of exert pressure that produces by the shaping gas that injects by receiving.
Each module in a plurality of movable merge modules can be up and down individually according to the deformation rate of the sheet metal that forms each bond material.
Each movable merge module can comprise the through hole of vertical formation.
Described diffusion combination and superplastic forming equipment can also comprise the diaphragm seal that places on the described movable merge module.
Described diaphragm seal can be stretchable.
Described diffusion combination and superplastic forming equipment can also comprise the forcing press that places described upper frame one side, to improve the air seal efficient in described diffusion combination and the superplastic forming equipment.
Can be coated with described movable merge module with ceramic powders, with the frictional force between the contact-making surface that reduces described movable merge module.
Described ceramic powders can be selected from a kind of in yittrium oxide (Yttria), boron nitride (BN) and the aluminium nitride (AlN).
The gas that injects by described protective gas injection channel and described shaping gas injection channel can be inert gas.
The inert gas pressure that is injected in the described shaping gas injection channel is approximately 20～40 crust.
Described inert gas is an argon gas.
Description of drawings
By being described in detail with reference to the attached drawings exemplary embodiment of the present invention, above-mentioned and other feature and advantage of the present invention will become more obvious, in the accompanying drawing:
Fig. 1 is the diffusion combination of the movable merge module of use of exemplary embodiment of the present and the cutaway view of superplastic forming equipment;
Fig. 2 is the cutaway view of movable merge module shown in Figure 1; And
Fig. 3 is the figure that describe to use the operation of the diffusion combination of movable merge module and superplastic forming equipment.
Fig. 4 is by the diffusion combination that utilizes the movable merge module of use of the present invention and the superplastic forming equipment product photo in conjunction with the manufacturing of a plurality of metal lamella.
The specific embodiment
Below, will diffusion combination and the superplastic forming equipment that use movable merge module be described in more detail in conjunction with the accompanying drawings.
Fig. 1 is the diffusion combination of the movable merge module of use of exemplary embodiment of the present and the cutaway view of superplastic forming equipment.
Referring to Fig. 1; diffusion combination of the present invention and superplastic forming equipment comprise the upper frame 110 that is used for to diffusion combination and superplastic forming equipment injected plastic shaping gas; be provided for placing the middle frame 120 in the space of binding object; be arranged in the movable merge module 130 on the binding object; in diffusion combination and superplastic forming equipment, inject the underframe 150 of protective gas; be arranged in the diaphragm seal 140 on the movable merge module 130, and the forcing press (not shown).In another embodiment, upper frame and underframe can form as one.
As shown in Figure 1, upper frame 110 comprises plastics forming gas access 111.Shaping gas injects by shaping gas inlet 111, and the shaping gas pressurization of injection also forms binding object 121.Preferably, under the predetermined pressure range of about 20-40 crust inert gas injecting as shaping gas.If the pressure that inert gas injecting produces is higher than predetermined pressure range, binding object 121 possibility excessive deformations perhaps may damage merge module, thereby cause the gas leakage problem.If pressure limit is lower than predetermined pressure range, binding object 121 may not can fully mutually combines.Preferably, determine the pressure and the temperature of shaping gas according to the hot properties of binding object 121.
Available use argon gas is as inert gas.
On apply uniform pressure, thereby cause in conjunction with the failure.
Fig. 2 is the cutaway view of movable merge module shown in Figure 1, and Fig. 3 is the figure that describes the operation of the diffusion combination of using movable merge module and superplastic forming equipment.
As shown in Figures 2 and 3, each movable merge module 130 is arranged on the uneven surface of metal lamella 121 individually.Prepare the length of movable merge module 130 according to the height of respective metal lamella 121.For example, short movable merge module 130a or 130c are arranged on the high metal lamella 121, and long movable merge module 130b is arranged on the low metal lamella 121.Because movable merge module 130 moves individually thereon according to the high deformation rate of respective metal lamella 121, so can apply uniform gas pressure on the uneven surface of metal lamella 121.
More particularly, when metal lamella 121 was pressed, the high deformation rate of metal lamella 121 and high deformation amount were according to following factors vary.
When carrying out combination and shaping operation on each the metal lamella that is forming by the dissimilar metals sheet, according to the kind difference of the sheet metal that forms metal lamella 121, the deformation rate difference of each metal lamella 121.That is to say that though combine the metal lamella with equal height, the height of the metal lamella 121 of high strain rate may be lower than the height of the metal lamella 121 of deformation rate.
When carrying out combination and shaping operation on the metal lamella that forms at the sheet metal of the same race by differing heights, higher metal lamella 121 is different with the deflection of low metal lamella 121.Specifically, because metal deformation rate of the same race is identical, so metal lamella 121 is directly proportional with the height (L) of metal lamella in the difference in height (Δ L) of carrying out combination and shaping operation front and back.Therefore, the deflection of the difference in height of higher metal lamella 121 is greater than the deflection of the difference in height of low metal lamella 121.
In order on the surface of a plurality of metal lamellas 121, to apply uniform pressure, and no matter the deformation rate of its height and deflection how, have used separately up and down movable merge module 130 separately in the present embodiment.
Each movable merge module 130 comprises vertical through hole 131a, 131b and the 131c that forms of mutual embedding.Yet the present invention is not limited to the shape of this movable merge module.Movable merge module 130 can have each movable merge module 130 of permission according to the up and down individually different shape of the difference in height of each metal lamella, and has the detachable structure that can pressurize and form each metal lamella.Can be with the movable merge module 130 of pottery coating, to reduce the frictional force between the contact-making surface.Preferably, with the described movable merge module of a kind of coating that is selected from yittrium oxide (Yttria), boron nitride (BN) and the aluminium nitride (AlN).
In order to seal and to isolate upper frame 110 and movable merge module 130, can be on movable merge module 130 the further layout diaphragm seal 140 that can stretch.Diaphragm seal 140 closely is attached on the movable merge module 130, and stretches along the distortion of movable merge module 130.
In order to improve the diffusion combination of using movable merge module and the air seal efficient of superplastic forming equipment 100, can arrange the forcing press (not shown) in a side of upper frame 110.
Below, description is utilized the diffusion combination of the movable merge module of this use and the superplastic forming equipment process in conjunction with titanium alloy.
After Ti-6Al-4V sheet (a kind of titanium alloy) is cut into required form and its surface of chemically cleaning, in middle frame, carry out lamination.Here, upper frame 110, middle frame 120, movable merge module 130 and underframe 150 are formed by the material that can at high temperature use, for example Inconel 625, Inconel 718, S17400, SUS310 and N06002.Then, movable merge module is arranged on the lamination metal lamella, and uses the diaphragm seal sealing.After the sealing, use vavuum pump that air is discharged fully from upper frame and underframe.Be coated with each movable merge module with ceramic powders so that even at high temperature each module also can move smoothly.For example, after injection on the movable merge module contains the solution and drying of yittrium oxide (Yttria), boron nitride (BN) or aluminium nitride (AlN) powder, re-use movable merge module.After discharging air, under half temperature of the fusing point of about lamination Ti-6Al-4V sheet, heat.For example, after the temperature that will spread combination and superplastic forming equipment rises to about 750 ℃, argon gas is injected inner space on the diaphragm seal, with the exert pressure lamination metal lamellas of about 40 crust.At this moment, the height of movable merge module is different and different according to the metal deformation rate, and applies uniform pressure on lamination Ti-6Al-4V sheet.After temperature arrives about 850 ℃, under about 40 crust or littler pressure, kept 30 minutes.Then, make the decompression of diffusion combination and superplastic forming equipment, and slowly reduce its temperature, thus cooling diffusion combination and superplastic forming equipment.Fig. 4 has shown by the diffusion combination of the movable merge module of use that utilizes present embodiment and the superplastic forming equipment product in conjunction with the manufacturing of a plurality of metal lamella.
Oxidized in order to prevent lamination Ti-6Al-4V sheet, in diffusion combination and superplastic forming equipment, inject protective gas to keep reducing condition.
As mentioned above, diffusion combination of the present invention and superplastic forming equipment use movable merge module to apply uniform pressure to each binding object such as the metal lamella.Therefore, although the height difference of binding object can be applied to uniform pressure on a plurality of binding objects.In addition, can solve according to the present invention by the deformation rate difference between dissimilar metals caused in conjunction with failure problem.
Although shown particularly and described the present invention with reference to exemplary embodiment of the present invention, but those skilled in the art will be understood that, in not breaking away from the spirit and scope of the invention that appended claims limits, can make variation on various forms and the details to the present invention.
Claims (11)
1. diffusion combination and superplastic forming equipment, it comprises:
Underframe has the protective gas injection channel;
Middle frame places on the described underframe and has the space that is used to place a plurality of bond materials;
Upper frame places on the described middle frame and has the shaping gas injection channel that is used for injection molding gas, and described shaping gas is used for pressurization and forms described bond material; And
A plurality of movable merge modules place on the described bond material, are used for the described bond material of exert pressure that is produced by the shaping gas that injects by receiving.
2. diffusion combination as claimed in claim 1 and superplastic forming equipment is characterized in that, each module in a plurality of movable merge modules is up and down individually according to the deformation rate of the sheet metal that forms each bond material.
3. diffusion combination as claimed in claim 1 and superplastic forming equipment is characterized in that each movable merge module comprises the through hole of vertical formation.
4. diffusion combination as claimed in claim 1 and superplastic forming equipment also comprise the diaphragm seal that places on the described movable merge module.
5. diffusion combination as claimed in claim 4 and superplastic forming equipment is characterized in that described diaphragm seal is stretchable.
6. diffusion combination as claimed in claim 1 and superplastic forming equipment also comprise the forcing press that places described upper frame one side, to improve the air seal efficient in described diffusion combination and the superplastic forming equipment.
7. diffusion combination as claimed in claim 1 and superplastic forming equipment is characterized in that, are coated with described movable merge module with ceramic powders, with the frictional force between the contact-making surface that reduces described movable merge module.
8. diffusion combination as claimed in claim 7 and superplastic forming equipment is characterized in that, described ceramic powders is selected from a kind of in yittrium oxide, boron nitride and the aluminium nitride.
9. diffusion combination as claimed in claim 1 and superplastic forming equipment is characterized in that, the gas that injects by described protective gas injection channel and described shaping gas injection channel is inert gas.
10. diffusion combination as claimed in claim 9 and superplastic forming equipment is characterized in that, the inert gas pressure that is injected in the described shaping gas injection channel is 20～40 crust.
11. diffusion combination as claimed in claim 9 and superplastic forming equipment is characterized in that, described inert gas is an argon gas.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050123228 | 2005-12-14 | ||
| KR1020050123228A KR100681535B1 (en) | 2005-12-14 | 2005-12-14 | Diffusion bonding and superplastic forming device using movable insert modules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1981973A CN1981973A (en) | 2007-06-20 |
| CN100509249C true CN100509249C (en) | 2009-07-08 |
Family
ID=38106133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101658786A Expired - Fee Related CN100509249C (en) | 2005-12-14 | 2006-12-14 | Diffusion bonding and superplastic forming device using movable insert modules |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100681535B1 (en) |
| CN (1) | CN100509249C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100820127B1 (en) | 2007-03-08 | 2008-04-08 | 현대자동차주식회사 | System for bonding metal separator of fuel cell utilizing diffusion bonding |
| CN104493357B (en) * | 2014-11-23 | 2017-01-04 | 中国人民解放军第五七一九工厂 | Mechanical load Diffusion Welding device |
| WO2017070880A1 (en) * | 2015-10-29 | 2017-05-04 | Hewlett-Packard Development Company, L.P. | Composite structure, preparation method thereof and articles comprising the same |
| CN114505573B (en) * | 2022-04-20 | 2022-07-15 | 成都飞机工业（集团）有限责任公司 | Superplastic forming and diffusion bonding die and preparation method of thin-wall large-inclination-angle part |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858985A (en) | 1981-10-03 | 1983-04-07 | Toyoda Autom Loom Works Ltd | Friction pressure welding machine |
| JPS5858986A (en) | 1981-10-05 | 1983-04-07 | Toyoda Autom Loom Works Ltd | Friction pressure welding machine |
| JP3435345B2 (en) * | 1998-05-29 | 2003-08-11 | 株式会社豊田自動織機 | Friction welding device |
| KR100681534B1 (en) * | 2005-07-25 | 2007-02-09 | 한국항공우주연구원 | Tool for structural part by diffusion bonding of multi-sheet metal and Method of manufacturing the same and Structural part by the method |
-
2005
- 2005-12-14 KR KR1020050123228A patent/KR100681535B1/en not_active IP Right Cessation
-
2006
- 2006-12-14 CN CNB2006101658786A patent/CN100509249C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1981973A (en) | 2007-06-20 |
| KR100681535B1 (en) | 2007-02-09 |
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