CN109648083A - A kind of annular element hot isostatic pressing joint forming jacket - Google Patents
A kind of annular element hot isostatic pressing joint forming jacket Download PDFInfo
- Publication number
- CN109648083A CN109648083A CN201910139836.2A CN201910139836A CN109648083A CN 109648083 A CN109648083 A CN 109648083A CN 201910139836 A CN201910139836 A CN 201910139836A CN 109648083 A CN109648083 A CN 109648083A
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- CN
- China
- Prior art keywords
- jacket
- vacuum
- annular element
- forming
- isostatic pressing
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
- B22F2003/153—Hot isostatic pressing apparatus specific to HIP
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention proposes a kind of annular element hot isostatic pressing joint forming jackets.The invention includes the contents such as structure, design principle, preparation, the assembly of jacket.A kind of annular element hot isostatic pressing joint forming jacket proposed by the present invention, it is during by hot isostatic pressing technique to body of powder and solid circular part joint forming, to guarantee going on smoothly for assembly, preparation or forming, a kind of jacket with Rational structure of proposition.The wrapping structure has certain convenience and reliability；The influence for considering contraction proposes reliable design reference；The structure helps to ensure that inner vacuum is handled, and advantageously ensures that connector uniform stressed, and dissimilar material joining forming is better achieved.
Description
Technical field
The invention belongs to hot isostatic pressing figuration manufacture fields, carry out more particularly to powder and solid dissimilar material annular element
In terms of hot isostatic pressing joint forming.
Background technique
Function and structure integration material causes the attention of people in many fields, especially Aeronautics and Astronautics, automobile and
War industry field.For, it is necessary to have on the basis of traditional high-intensitive, high rigidity, there is matter in some special structural members
Measure the multiple performances such as light, high temperature resistant, anticorrosion, anti-friction, energy-absorbing, damping.Currently, the forming of dissimilar material integrally connected is to realize
The important way of function integration.
When for carrying out dissimilar material forming using hot isostatic pressing, generalling use solid or powder and being solidly connected mode.Wherein,
When powder is solidly connected mode and shapes, the design of jacket affects final quality of connection for being formed with great influence, reasonability
And yield rate.Jacket is coated on the layer of material outside test specimen, provides the closed of isolation during joint forming for material
Environment, and transmit heat and pressure.Jacket should have certain heat resistance, plasticity and intensity；Meanwhile specific structure being needed to protect
Inner vacuum processing and forming process connector uniform stressed are demonstrate,proved, so that material metallurgical bonding be better achieved.
Summary of the invention
Here, realizing above-mentioned function set forth herein a kind of annular element hot isostatic pressing joint forming jacket.The present invention provides
Annular element hot isostatic pressing joint forming include: with jacket
1) jacket is made of upper cover plate and U-loop slot two parts.Upper cover plate has twice positioning step, and there is convex annular in centre
Platform and aspirating hole；U-loop groove body is cavity, and has L shape flange.
2) it is assembled.The annular element for needing joint forming is fitted into U-loop slot cavity, then by upper cover plate and U-shaped
Annular groove is assembled, then body of powder is packed into cavity, fills in strainer in aspirating hole, finally assembles vacuum-pumping tube in upper cover plate
In aspirating hole.
3) vacuum processing and soldering and sealing.Upper cover plate, U-loop slot and vacuum-pumping tube are welded using argon arc welding, then led to
It crosses vacuum pump group to be vacuum-treated jacket, then with hydraulic tongs pinch off vacuum-pumping tube and completes soldering and sealing.
4) in the step 1, machining preparation is can be used in jacket, is to prevent surface oxidation for special material, need to be into
Row surface protection can protect metal capsule using oil film；Ultrasonic cleaning can be used in the pre-assembly and carry out oil removing decontamination；
Upper cover plate annular convex platform height h should be 1.5 times or more of whole jacket thickness t, this is conducive to radial contraction in forming process；It is fixed
Position step width is the 2 times or more of thickness t；Aspirating hole design has positioning step, and step can determine size according to vacuum-pumping tube etc.；
There is circular orientation step in U-loop slot cavity, for positioning annular element, thickness 0.5mm or more, height is considered as forming and receives
The influence of contracting, and suitably increase machining allowance；Upper cover plate and U-loop slot contact surface, need to reserve the gap of 0.1~0.15mm.
5) jacket, vacuum-pumping tube and annular element surface spikes should be removed in the step 2, before assembly, between assembly parts are obeyed
Gap cooperation, slidably separates.
6) in the step 3, by vacuum pump group to jacket vacuumize process, after reaching certain vacuum degree, use is hydraulic
Vacuum-pumping tube is clamped and is truncated by pincers, and carries out soldering and sealing in end face.
7) annular element hot isostatic pressing joint forming jacket proposed by the present invention, be by hot isostatic pressing technique to powder and
In solid dissimilar material joining forming process, to guarantee going on smoothly for assembly, preparation or forming, one kind of proposition has science
The jacket of structure design.The wrapping structure has certain convenience and reliability, it is ensured that annular element powder is solidly connected the suitable of forming
Benefit carries out；The influence for considering contraction proposes reliable design reference；The structure helps to ensure that inner vacuum is handled, and has
Conducive to connector uniform stressed is guaranteed, dissimilar material joining forming is better achieved.Shape, size and the part-structure of jacket
It can be changed according to specific joint forming demand.
Detailed description of the invention
The upper cover plate and U-shaped that Fig. 1 includes when being using annular element hot isostatic pressing joint forming jacket provided by the invention
The structural schematic diagram of annular groove, wherein 1 is upper cover plate, 2 be U-loop slot, and a is annular convex platform, and b is positioning step, and c is aspirating hole, d
For U-loop slot cavity, e is L shape flange, and f is circular orientation step.
Fig. 2 integrally assembles effect and part when being using annular element hot isostatic pressing joint forming jacket provided by the invention
Schematic diagram.
Specific embodiment
With reference to the accompanying drawing with specific example to annular element hot isostatic pressing joint forming jacket provided by the invention into
Row is described in detail.
As shown in Fig. 1-Fig. 2, annular element hot isostatic pressing joint forming jacket provided by the invention includes following content:
1) according to joint forming demand, hot isostatic pressing diffusion connection is carried out to annular element A and body of powder B.It, which is connected, needs
Jacket be made of upper cover plate 1 and 2 two parts of U-loop slot.Upper cover plate 1 has twice positioning step b, and there is annular convex platform a in centre
With aspirating hole c；2 main body of U-loop slot is cavity d, has circular orientation step f in cavity, and have L shape flange e.Jacket can be adopted
It is machined into preparation, is to prevent surface oxidation for special material, surface protection need to be carried out, metal capsule can be used
Oil film protection；Ultrasonic cleaning can be used in the pre-assembly and carry out oil removing decontamination；Upper cover plate annular convex platform a height h should be whole packet
1.5 times or more of thickness t are covered, this is conducive to radial contraction in forming process；Positioning step b width is the 2 times or more of thickness t；
Aspirating hole c design has positioning step, and step can determine size according to vacuum-pumping tube etc.；Circular orientation platform in U-loop slot cavity
Rank f, for positioning annular element A, thickness 0.5mm or more, height is considered as the influence that forming is shunk, and suitably increases processing
Surplus；The contact surface of upper cover plate 1 and U-loop slot 2 need to reserve the gap of 0.1~0.15mm.
2) it is assembled.Jacket, vacuum-pumping tube 3 and annular element A surface spikes should be removed before assembly, assembly is obeyed gap and matched
It closes, is slidably separated between assembly parts.The annular element A for needing joint forming is fitted into U-loop slot cavity and is positioned by f, then
Upper cover plate 1 and U-loop slot 2 are assembled, then body of powder B is packed into cavity d, fills in strainer 4 in aspirating hole c, finally will
Vacuum-pumping tube 3 is assemblied in upper cover plate aspirating hole c.
3) vacuum processing and soldering and sealing.Upper cover plate 1, U-loop slot 2 and vacuum-pumping tube 3 are welded using argon arc welding, then
Jacket is vacuum-treated by vacuum pump group, then with hydraulic tongs pinch off vacuum-pumping tube 3 and completes soldering and sealing.
4) shape, size of jacket and part-structure can also be changed according to specific joint forming demand.
Claims (5)
1. a kind of annular element hot isostatic pressing joint forming jacket, it is characterised in that: a kind of annular element hot isostatic pressing connects
Being connected into shape jacket includes following content:
1) jacket is made of upper cover plate (1) and U-loop slot (2) two parts.Upper cover plate (1) has twice positioning step b, and centre has
Annular convex platform a and aspirating hole c；U-loop slot (2) main body is cavity d, and has L shape flange e.
2) it is assembled.The annular element A for needing joint forming is fitted into U-loop slot cavity f, then by upper cover plate (1) and U-shaped
Annular groove (2) is assembled, then body of powder B is packed into cavity d, strainer (4) is filled in aspirating hole c, finally by vacuum-pumping tube (3)
It is assemblied in upper cover plate aspirating hole c.
3) vacuum processing and soldering and sealing.Upper cover plate (1), U-loop slot (2) and vacuum-pumping tube (3) are welded using argon arc welding, connect
Jacket is vacuum-treated by vacuum pump group, then with hydraulic tongs pinch off vacuum-pumping tube (3) and complete soldering and sealing.
2. machining preparation can be used in jacket described in claim 1, it is to prevent surface oxidation for special material, needs to carry out
Surface protection can protect metal capsule using oil film；Ultrasonic cleaning can be used in the pre-assembly and carry out oil removing decontamination；On
Cover board annular convex platform a height h should be 1.5 times or more of whole jacket thickness t, this is conducive to radial contraction in forming process；It is fixed
Position step b width is the 2 times or more of thickness t；Aspirating hole c design has positioning step, and step can determine ruler according to vacuum-pumping tube etc.
It is very little；Circular orientation step f in U-loop slot cavity, for positioning annular element A, thickness 0.5mm or more, height is considered as
The influence shunk is shaped, and suitably increases machining allowance；The contact surface of upper cover plate (1) and U-loop slot (2), it need to reserve 0.1~
The gap of 0.15mm.
3. should remove jacket, vacuum-pumping tube (3) and annular element A surface spikes before assembly described in claim 1, assembly parts are obeyed
Clearance fit slidably separates.
4. it is described in claim 1 by vacuum pump group to jacket vacuumize process, after reaching certain vacuum degree, using hydraulic tongs
Vacuum-pumping tube (3) are clamped and are truncated, and carry out soldering and sealing in end face.
5. annular element hot isostatic pressing joint forming jacket proposed by the present invention, is by hot isostatic pressing technique to powder and solid
In dissimilar material joining forming process, to guarantee going on smoothly for assembly, preparation or forming, one kind of proposition has scientific structure
The jacket of design.The wrapping structure have certain convenience and reliability, it is ensured that annular element powder be solidly connected forming it is smooth into
Row；The influence for considering contraction proposes reliable design reference；The structure helps to ensure that inner vacuum is handled, and is conducive to
Guarantee connector uniform stressed, dissimilar material joining forming is better achieved.Shape, size and the part-structure of jacket can also be with
It is changed according to specific joint forming demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139836.2A CN109648083A (en) | 2019-02-26 | 2019-02-26 | A kind of annular element hot isostatic pressing joint forming jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139836.2A CN109648083A (en) | 2019-02-26 | 2019-02-26 | A kind of annular element hot isostatic pressing joint forming jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109648083A true CN109648083A (en) | 2019-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910139836.2A Pending CN109648083A (en) | 2019-02-26 | 2019-02-26 | A kind of annular element hot isostatic pressing joint forming jacket |
Country Status (1)
| Country | Link |
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| CN (1) | CN109648083A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433842A (en) * | 2022-03-03 | 2022-05-06 | 宁波江丰热等静压技术有限公司 | Sheath for hot isostatic pressing |
| CN115070039A (en) * | 2021-03-10 | 2022-09-20 | 中国航发商用航空发动机有限责任公司 | FGH96 and GH4169 homogeneous and heterogeneous material multi-stage rotor assembly and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788655A (en) * | 2018-08-21 | 2018-11-13 | 北京航空航天大学 | A kind of method of nickel base superalloy annular element diffusion connection Kufil |
| CN109048031A (en) * | 2018-08-21 | 2018-12-21 | 北京航空航天大学 | A kind of annular element hot isostatic pressing joint forming jacket |
| CN109277575A (en) * | 2018-10-31 | 2019-01-29 | 北京航空航天大学 | Jacket is used in a kind of forming of annular element hot isostatic pressing |
| CN109290580A (en) * | 2018-11-07 | 2019-02-01 | 北京航空航天大学 | A kind of nickel base superalloy annular element method in conjunction with the solid powder of copper zinc-aluminium powder |
-
2019
- 2019-02-26 CN CN201910139836.2A patent/CN109648083A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788655A (en) * | 2018-08-21 | 2018-11-13 | 北京航空航天大学 | A kind of method of nickel base superalloy annular element diffusion connection Kufil |
| CN109048031A (en) * | 2018-08-21 | 2018-12-21 | 北京航空航天大学 | A kind of annular element hot isostatic pressing joint forming jacket |
| CN109277575A (en) * | 2018-10-31 | 2019-01-29 | 北京航空航天大学 | Jacket is used in a kind of forming of annular element hot isostatic pressing |
| CN109290580A (en) * | 2018-11-07 | 2019-02-01 | 北京航空航天大学 | A kind of nickel base superalloy annular element method in conjunction with the solid powder of copper zinc-aluminium powder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070039A (en) * | 2021-03-10 | 2022-09-20 | 中国航发商用航空发动机有限责任公司 | FGH96 and GH4169 homogeneous and heterogeneous material multi-stage rotor assembly and preparation method thereof |
| CN114433842A (en) * | 2022-03-03 | 2022-05-06 | 宁波江丰热等静压技术有限公司 | Sheath for hot isostatic pressing |
| CN114433842B (en) * | 2022-03-03 | 2024-05-28 | 宁波江丰热等静压技术有限公司 | Sheath for hot isostatic pressing |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190419 |
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| WD01 | Invention patent application deemed withdrawn after publication |