CN106271012A - Hot isostatic press welding method - Google Patents
Hot isostatic press welding method Download PDFInfo
- Publication number
- CN106271012A CN106271012A CN201510312745.6A CN201510312745A CN106271012A CN 106271012 A CN106271012 A CN 106271012A CN 201510312745 A CN201510312745 A CN 201510312745A CN 106271012 A CN106271012 A CN 106271012A
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- China
- Prior art keywords
- perforate
- workpiece
- hot isostatic
- isostatic press
- mould
- 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
- 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
- B23K20/14—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
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
Abstract
A kind of hot isostatic press welding method, including: the first workpiece and second workpiece are provided；Making mould, described mould includes the first perforate for accommodating the first workpiece and for accommodating the second perforate of second workpiece, and described first aperture bottom and the second aperture bottom are interconnected；Described first workpiece and second workpiece are respectively put into described first perforate and the second perforate；Jacket is wrapped up outside described mould；Described jacket is carried out heat and other static pressuring processes, makes described first workpiece and second workpiece welding form Welding Structure；Remove described jacket, take out described Welding Structure.During heat and other static pressuring processes; the position of described first workpiece and second workpiece is fixed by described mould; and the first workpiece and second workpiece surrounding are protected by described mould; make described first workpiece and second workpiece be not easy under high pressure to be extruded and cause damage, and then improve the first workpiece and welded quality that second workpiece welding is formed.
Description
Technical field
The present invention relates to field of semiconductor manufacture, particularly relate to a kind of hot isostatic press welding method.
Background technology
Tungsten alloy is to add other elementary composition alloys with tungsten for base.In a metal, the fusing point of tungsten is higher,
Elevated temperature strength and creep-resistant property and heat conduction, conduction and electron emission capability are the best, and ratio is great, except big
Amount is used for manufacturing hard alloy and making outside alloy addition, and tungsten and alloy thereof are widely used in electronics, electric light source
Industry, also is used for making rocket nozzle, die casting, armour-piercing in the departments such as space flight, casting, weapon
Play core, contact, heater and heat screen etc..
Prior art generally uses hot isostatic pressing technique to weld tungsten alloy, and high temperature insostatic pressing (HIP) is close in High Temperature High Pressure
In envelope container, with high-pressure inert gas as medium, thing to be welded therein is applied each to equal isostatic pressure,
The method forming high-compactness blank.
But, the tungsten alloy that prior art hot isostatic press welding method is formed is of low quality, yield is relatively low,
Cannot meet and manufacture the demand produced.
Summary of the invention
The problem that the present invention solves is to propose a kind of hot isostatic press welding method, to improve hot isostatic press welding
Quality.
For solving the problems referred to above, the present invention provides a kind of hot isostatic press welding method, including:
First workpiece and second workpiece are provided；
Making mould, described mould includes the first perforate for accommodating the first workpiece and for accommodating second
Second perforate of workpiece, described first perforate and the second perforate are interconnected；
Described first workpiece and second workpiece are respectively put into described first perforate and the second perforate；
Jacket is wrapped up outside described mould；
Described jacket is carried out heat and other static pressuring processes, makes described first workpiece and second workpiece welding form weldering
Access node structure；
Remove described jacket, take out described Welding Structure.
Optionally, the material of described first workpiece and second workpiece is tungsten alloy.
Optionally, described first workpiece and second workpiece be shaped as cylinder, in the step making mould
In, making described first perforate and the second perforate is cylindrical aperture.
Optionally, make the radius of described first perforate match with the radius of described first workpiece, make described
The radius of the second perforate matches with the radius of described second workpiece.
Optionally, in the step making mould, make described first perforate relative with the center of the second perforate
Together.
Optionally, in the step making mould, making described mould is tabular cuboid, has the first table
Face and the second surface relative with described first surface, described first perforate is opened in described first surface,
Described second perforate is opened in described second surface.
Optionally, in the step making mould, the material of described mould is metal.
Optionally, described first workpiece and second workpiece are respectively put into described first perforate and the second perforate
Before, described first perforate and the second perforate sidewall arrange sark.
Optionally, the step arranging sark in described first perforate and the second perforate sidewall includes:
It is coated with sealing coat in described first perforate and the second perforate sidewall, and makes described sealing coat cover described first
Perforate and the second perforate sidewall and the first perforate and the joint face of the second perforate sidewall.
Optionally, the material of described sealing coat is boron nitride.
Optionally, the step arranging sark in described first perforate and the second perforate sidewall includes:
In described first perforate and the second perforate sidewall, spacer is set, makes described spacer cover and state the first perforate
Sidewall with the second perforate.
Optionally, the material of described spacer is pottery.
Optionally, described first perforate and the second perforate are cylindrical aperture, and described spacer is for cover respectively
It is placed on the ring-type spacer on the first perforate and the second perforate sidewall, the vertical described circle of described ring-type spacer
The cross section of cylindrical openings generatrix direction is ring-type.
Optionally, described first workpiece has the first solder side and first back side relative with the first solder side,
Described second workpiece has the second solder side and second back side relative with the first solder side, by described
One workpiece and second workpiece are respectively put in the step of described first perforate and the second perforate, make described first
Solder side and the second solder side contact in the connectivity part of described first perforate and the second perforate.
Optionally, after wrapping up jacket outside described mould, described jacket is carried out heat and other static pressuring processes
Before, also include: be de-gassed technique to inside described jacket.
Optionally, the step of degassing internal to described jacket includes: heats described jacket to temperature and reaches 300 DEG C
～after 400 DEG C, carry out incubation step, in described heating and insulating process, in lasting evacuation makes jacket
Vacuum is at least 2 × 10-3Pa, described temperature retention time is 2～4 hours.
Optionally, the step that described jacket carries out heat and other static pressuring processes includes: the temperature of heat and other static pressuring processes
Spending in the range of spending 750 to 900, environmental stress is more than 120 MPas, and the heat-insulation pressure keeping time is 4
By 6 hours.
Compared with prior art, the invention have the advantages that the present invention is to the first workpiece and the second work
Part makes mould before carrying out hot isostatic press welding technique, and described mould includes for accommodating the first workpiece
First perforate and for accommodating the second perforate of second workpiece.Afterwards by described first workpiece and second workpiece
It is respectively put into described first perforate and the second perforate, and outside described mould, wraps up jacket, to described bag
Set carries out heat and other static pressuring processes.During heat and other static pressuring processes, described first workpiece and second workpiece
Position fixed by described mould, and the first workpiece and second workpiece surrounding are protected by described mould, make
Described first workpiece and second workpiece are not easy under high pressure to be extruded and cause damage, and then improve the
The welded quality that one workpiece and second workpiece welding are formed.
Further, described first workpiece and second workpiece are respectively put into described first perforate and second to open
Before hole, described first perforate and the second perforate sidewall arrange sark, so weld at high temperature insostatic pressing (HIP)
After connecing, it is simple to described Welding Structure is separated with mould.
Accompanying drawing explanation
The schematic flow sheet of Fig. 1 hot isostatic press welding of the present invention method one embodiment；
Fig. 2 to Fig. 8 is the structural representation of each step of hot isostatic press welding method shown in Fig. 1；
Fig. 9 is the schematic diagram of hot isostatic press welding another embodiment of method of the present invention.
Detailed description of the invention
As stated in the Background Art, existing heat and other static pressuring processes is used directly to process two tungsten alloy things to be welded,
The product quality that welding is formed is poor.
The product quality that analysis prior art thing to be welded to tungsten alloy carries out heat and other static pressuring processes formation is poor
Reason: tungsten alloy is more crisp, frangible after pressurized, and be not easy processing, use existing high temperature insostatic pressing (HIP) work
Skill directly processes two tungsten alloy things to be welded, it is easy to thing to be welded to tungsten alloy causes damage, makes weldering
Connect that the product quality of formation is poor even scraps.Additionally, tungsten alloy is usually used in accurate device, therefore two kinds
The concentricity requirement of thing to be welded is the highest, when using existing hot isostatic pressing technique to two kinds of things to be welded,
Thing to be welded may misplace under bigger pressure, affects the concentricity of thing to be welded, and then reduces
The product quality that welding is formed
The present invention made mould before the first workpiece and second workpiece carry out hot isostatic press welding technique,
Described mould includes the first perforate for accommodating the first workpiece and opens for accommodating the second of second workpiece
Hole.Afterwards described first workpiece and second workpiece are respectively put into described first perforate and the second perforate, and
Outside described mould, wrap up jacket, described jacket is carried out heat and other static pressuring processes.At heat and other static pressuring processes
During, the position of described first workpiece and second workpiece is fixed by described mould, and the first workpiece
Protected by described mould with second workpiece surrounding so that described first workpiece and second workpiece are not easy at height
Pressure is extruded and causes damage, and then improves the first workpiece and the Welding Structure of second workpiece welding formation
Quality.
Understandable, below in conjunction with the accompanying drawings for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
The detailed description of the invention of the present invention is described in detail.
Fig. 1 show the present invention and provides the flow chart of hot isostatic press welding method one embodiment, present invention heat
Isostatic pressed welding method generally comprises:
Step S1, it is provided that the first workpiece and second workpiece；
Step S2, make mould, described mould include the first perforate for accommodating the first workpiece and for
Accommodating the second perforate of second workpiece, described first perforate and the second perforate are interconnected；
Step S3, is respectively put into described first perforate and the second perforate by described first workpiece and second workpiece；
Step S4, wraps up jacket outside described mould；
Step S5, carries out heat and other static pressuring processes to described jacket, makes described first workpiece and second workpiece weldering
Connect formation Welding Structure；
Step S6, removes described jacket, takes out described Welding Structure.
Below in conjunction with each step of hot isostatic press welding embodiment of the method shown in Fig. 1 shown in Fig. 2 to Fig. 8
Schematic diagram, is discussed in detail the detailed description of the invention of the present invention.
With reference to Fig. 2, perform step S1, it is provided that the first workpiece 100 and second workpiece 101.Described first work
Part 100 and second workpiece 101 are for welding the cutter forming machining.By the first workpiece 100 He
After second workpiece 101 welding forms Welding Structure, the part of former first workpiece 100 may be used for being formed
The cutter head of cutter, the part of former second workpiece 101 may be used for being formed the handle of a knife of cutter.
In the present embodiment, the material of described first workpiece 100 and second workpiece 101 is tungsten alloy, tungsten
Alloy high-temp intensity and creep-resistant property are fine, are suitable for making the cutter of turnery processing.But the present invention
The material of described first workpiece 100 and second workpiece 101 is not limited, in other embodiments, institute
The material stating the first workpiece 100 and second workpiece 101 can also be for Steel material, aluminium alloy, titanium alloy etc.
Other any metal or alloy materials.
In the present embodiment, described first workpiece 100 and second workpiece 101 be shaped as cylinder.But
It is that the shape of described first workpiece 100 and second workpiece 101 is not limited by the present invention.
It is the sectional view of AA` line in Fig. 3 with reference to Fig. 3 and Fig. 4, Fig. 4, performs step S2, make mould
Tool 200, described mould 200 includes the first perforate 203 for accommodating the first workpiece 100 and for accommodating
Second perforate 204 of second workpiece 101, described first perforate 203 and the second perforate 204 are interconnected.
Specifically, in the present embodiment, in the step making mould 200, the described mould 200 is made to be
Tabular cuboid, has first surface 201 and the second surface 202 relative with described first surface 201,
Described first perforate 203 is opened in described first surface 201, and described second perforate 204 is opened in described
Two surfaces 202.The cuboid that is shaped as of described mould 200 is advantageous in that, it is simple to follow-up jacket makes,
And in hot isostatic press welding technique, provide uniform to described first workpiece 100 and second workpiece 101
Pressure, but the shape of described mould 200 is not limited by the present invention, in his embodiment, described mould
The shape of tool 200 can also be spheroid, cylinder or other shapes.
In conjunction with reference to Fig. 2, Fig. 3 and Fig. 4, in the present embodiment, due to described first workpiece 100 and the
Two workpiece 101 be shaped as cylinder, making described first perforate 203 and the second perforate 204 is cylinder
Perforate, in order to accommodate described first workpiece 100 and second workpiece 101.
In the step making mould 200, make the radius of described first perforate 203 and described first workpiece
The radius of 100 matches, and makes the radius of described second perforate 204 and the radius phase of described second workpiece 101
Coupling, specifically, makes the radius radius slightly larger than described first workpiece 100 of described first perforate 203,
Make the radius radius slightly larger than described second workpiece 101 of described second perforate 204.Such it is in well
In, it is simple to described first workpiece 100 and second workpiece 101 are respectively put into described first perforate 203 He
Second perforate 204, also allows for described first workpiece 100 and second workpiece 101 after welding completes from described
First perforate 203 and the second perforate 204 are taken out, additionally, described first perforate 203 and the second perforate
204 more described first workpiece 100 and second workpiece 101 have certain surplus, open described first for follow-up
Hole 203 and the second perforate 204 arrange sark space is provided.
In the present embodiment, in the step making mould 200, described first perforate 203 and second is made
The center of perforate 204 aligns.So described first workpiece 100 and second workpiece 101 are being put respectively
After entering in described first perforate 203 and the second perforate 204, described first workpiece 100 and second workpiece 101
Center align.In the processing technology of cutter, generally the concentricity between cutter head and handle of a knife is had
High requirement, the center of the most described first perforate 203 and the second perforate 204 aligns, it is possible to make
There is between first workpiece 100 and second workpiece 101 higher concentricity, and then described first workpiece 100
And higher concentricity between second workpiece 101 cutter head and the handle of a knife that are made.
In the present embodiment, the material of described mould 200 is metal.Metal has certain ductility, adopts
With the mould 200 of metal material, it is possible to follow-up carry out heat and other static pressuring processes time, suitably by pressure transmission
To described first workpiece 100 and second workpiece 101, make the first workpiece 100 and second workpiece 101 well
Weld together.But described mould 200 is not limited by the present invention, in other embodiments, described
The material of mould 200 can also be alloy or other materials.
With reference to Fig. 5, Fig. 6, perform step S3, by described first workpiece 100 and second workpiece 101 difference
Put into described first perforate 203 and the second perforate 204.
With reference first to Fig. 5, in the present embodiment, by described first workpiece 100 and second workpiece 101 difference
Before putting into described first perforate 203 and the second perforate 204, open in described first perforate 203 and second
On the sidewall of hole 204, sark is set.
Specifically, in the present embodiment, described first perforate 203 and the second perforate 204 sidewall set
The step putting sark includes: coating isolation in described first perforate 203 and the second perforate 204 sidewall
Layer 205, makes described sealing coat 205 cover described first perforate 203 and the second perforate 204 sidewall and the
One perforate 203 and the joint face (shown in dotted line circle) of the second perforate 204 sidewall.Due to described mould 200
Material be metal, the material of described first workpiece 100 and second workpiece 101 is tungsten alloy, if will
Described first workpiece 100 and second workpiece 101 are directly placed into described first perforate 203 and the second perforate 204
In, during follow-up hot isostatic press welding, described first workpiece 100, second workpiece 101 and described
Mould 200 is susceptible to adhesion, it is difficult to separate.The effect being coated with described sealing coat 205 is, in heat
After isostatic pressed welding, it is simple to described Welding Structure and mould 200 are separated.
In the present embodiment, the material of described sealing coat 205 is boron nitride.Prove through test of many times,
Boron nitride material is as sealing coat 205, it is possible to preferably isolate described Welding Structure and described mould 200, anti-
Only stick together between described Welding Structure and described mould 200, but the present invention is to described sealing coat 205
Material do not limit, in other embodiments, described sealing coat 205 can also for be prevented from isolation
The other materials that the metal or alloy phase counterdiffusion of layer 205 both sides sticks together.
It should be noted that in other embodiments, in described first perforate 203 and the second perforate 204
It is coated with in the step of sealing coat 205 on sidewall, it is also possible to make described sealing coat 205 only cover described first
Perforate 203 and the second perforate 204 sidewall, the invention is not limited in this regard.
With reference to Fig. 6, in the present embodiment, described first workpiece 100 has the first solder side 103 and with the
The first back side (not shown) that one solder side 103 is relative, described second workpiece 101 has the second solder side
104 and second back side (not shown) relative with the first solder side 104, by described first workpiece 100
With in the step that second workpiece 101 is respectively put into described first perforate 203 and the second perforate 204, make institute
State the first solder side 103 and the second solder side 104 in described first perforate 203 and the second perforate 204
Connectivity part (not shown) contacts.
With reference to Fig. 7, perform step S4, outside described mould 200, wrap up jacket 300.Specifically, exist
In the present embodiment, the step of parcel jacket 300 includes: will be equipped with the first workpiece 100 and second workpiece 101
Mould 200 be placed on a base plate 301, described mould 200 sidewall wrap up side plate 303, at described mould
Have 200 tops and cover cover plate 302, described base plate 301, side plate 303 and cover plate 302 are welded together,
Forming the jacket 300 sealed, described mould 200 is wrapped up by described jacket 300.
Alternatively, the mode of described welding can be argon arc welding.
It should be noted that in the present embodiment, before or after welding forms described jacket 300,
Drawing deaeration pipe 304 from described jacket 300, it is internal that described deaeration pipe 304 connects described jacket 300.
Specifically, in the present embodiment, the hole that described deaeration pipe 304 can be made to be left by jacket 300 sidewall is entered
Enter jacket 300 internal.Make a vaccum-pumping equipment (not shown) be connected with described deaeration pipe 304, be used for
To described jacket 300 evacuation.
With reference to Fig. 8, perform step S5, described jacket 300 is carried out heat and other static pressuring processes, make described the
One workpiece 100 and second workpiece 101 welding form Welding Structure.
In the present embodiment, described jacket 300 is carried out heat and other static pressuring processes, first by described jacket 300
Evacuation, specifically, starts vaccum-pumping equipment, makes the gas within jacket 300 from deaeration pipe 304 row
Go out.
In the present embodiment, in the vacuum within jacket 300 to a certain extent, such as vacuum reaches
2×10-3During Pa, start jacket 300 is heated.Described heating process, until being heated to uniform temperature,
Such as after reaching 300 DEG C～400 DEG C, carry out incubation step, in described heating and insulating process, continue evacuation,
The vacuum in jacket 300 is kept to be at least 2 × 10-3Pa。
After insulation terminates, hold one's breath when continuing to keep jacket 300 inner vacuum, now institute
The vacuum stating jacket is at least 2 × 10-3Pa.Afterwards, the jacket 300 held one's breath is placed on high temperature insostatic pressing (HIP)
(Hot Isostatic Pressing, HIP) stove carries out heat and other static pressuring processes.In the present embodiment, hold one's breath
Method for deaeration pipe 304 is closed, specifically, deaeration pipe 304 can be blocked, or will degassing
Pipe 304 is nipped off, and remains in the one end outside jacket 300 after will be switched off and seal, in making jacket 300
Portion forms an airtight vacuum environment.
In the present embodiment, this heat and other static pressuring processes design parameter uses temperature at the model of 750 to 900 degree
Enclose, applying argon gas or nitrogen in high temperature insostatic pressing (HIP) stove, keep more than the environmental stress 120Mpa at jacket 300 place
And be incubated under conditions of 4～6 hours at this temperature and pressure, the welded hardness of gained tungsten alloy,
Consistency, internal organizational structure uniformity more preferable, and percent defective is low, and manufacturing cost is relatively low.But this
Invent the design parameters such as the temperature to heat and other static pressuring processes, environmental stress, temperature retention time not limit, can
Freely to adjust according to described first workpiece 100 and second workpiece 101.
During heat and other static pressuring processes, described jacket 300 forms great pressure to described mould 200.
During heat and other static pressuring processes, the position of described first workpiece 100 and second workpiece 101 is by described mould
Tool 200 is fixed, and the first workpiece 100 and second workpiece 101 surrounding are protected by described mould so that
Described first workpiece 100 and second workpiece 101 are not easy under high pressure to be extruded and cause damage, Jin Erti
The welded quality that high first workpiece 100 and second workpiece 101 welding are formed.
Additionally, during heat and other static pressuring processes, described first workpiece 100 and the position of second workpiece 101
Put and fixed by described mould 200, in the first perforate 203 of described mould 200 and the second perforate 204
The heart aligns, and described first workpiece 100 and second workpiece 101 are less likely to occur dislocation, energy under stress
Enough make to have between the first workpiece 100 and second workpiece 101 higher concentricity, and then described first
Concentricity higher between cutter head and handle of a knife that workpiece 100 and second workpiece 101 are made.
With continued reference to Fig. 8, perform step S6, remove described jacket 300, take out described Welding Structure.
Specifically, in the present embodiment, after high temperature insostatic pressing (HIP) stove cools down, jacket 300 is taken out, afterwards
Remove jacket 300 and take out mould 200.The dismounting of this step can be by chemically or mechanically realizing.
After taking out mould 200, can be by the method for percussion by described Welding Structure and described mould 200
Separate.Specifically, in the present embodiment, as shown in Figure 8, due to the size of described first workpiece 100
Less than the size of second workpiece 101, therefore the unsettled placement of described mould 200 can be made mould 200
Second surface towards ground, tap the surface of described Welding Structure Central Plains the first workpiece 100, described weldering
Access node structure can come off from described mould 200.
With reference to Fig. 9, it is shown that the schematic diagram of hot isostatic press welding another embodiment of method of the present invention.This enforcement
Example is roughly the same with above-described embodiment, repeats no more with the something in common of above-described embodiment, with above-mentioned enforcement
The difference of example is:
The step arranging sark in described first perforate 203 and the second perforate 204 sidewall includes:
In described first perforate 203 and the second perforate 204 sidewall, spacer 206 is set, makes described spacer 206
Only cover and state the first perforate 203 and sidewall of the second perforate 204.
Specifically, described first perforate 203 and the second perforate 204 are cylindrical aperture, described spacer
206 is the ring-type spacer being covered each by the first perforate 203 and the second perforate 204 sidewall, described ring
The cross section of the vertical described cylinder open generatrix direction of shape spacer is ring-type.Described spacer 206 is permissible
Including the Part I 206A being arranged on described first perforate 203 sidewall and be arranged on described second perforate
Part II 206B on 204 sidewalls, described Part I 206A and Part II 206B can distinguish
It is positioned in described first perforate 203 and the second perforate 204 so that put into the mistake of described spacer 206
Journey is convenient, but the invention is not limited in this regard.
It should be noted that in the present embodiment, the material of described spacer 206 is pottery, described every
It is advantageous in that as sark from thing 206, to the isolation between described mould 200 and Welding Structure
Can more preferably, and can play a supporting role, after heat and other static pressuring processes, described Welding Structure is not allowed
Easily affected by the deformation of described mould 200, make described Welding Structure be easier to take out.
After heat and other static pressuring processes, if the shape of described spacer 206 is uninfluenced, can be by institute
State spacer 206 for hot isostatic press welding next time；If described ceramic spacers 206 damages,
Described spacer 206 can be broken into pieces so that the space between described mould 200 and Welding Structure becomes big,
Described Welding Structure is made to be easier to take out.The isolation performance of pottery is preferable, but the present invention is to described isolation
The material of thing 206 does not limits, and in other embodiments, the material of described spacer 206 can also be
Other desirably prevent the material of phase counterdiffusion between metal.
Although present disclosure is as above, but the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, all can make various changes or modifications, therefore the guarantor of the present invention
The scope of protecting should be as the criterion with claim limited range.
Claims (17)
1. a hot isostatic press welding method, it is characterised in that including:
First workpiece and second workpiece are provided；
Making mould, described mould includes the first perforate for accommodating the first workpiece and for accommodating second
Second perforate of workpiece, described first perforate and the second perforate are interconnected；
Described first workpiece and second workpiece are respectively put into described first perforate and the second perforate；
Jacket is wrapped up outside described mould；
Described jacket is carried out heat and other static pressuring processes, makes described first workpiece and second workpiece welding form weldering
Access node structure；
Remove described jacket, take out described Welding Structure.
Hot isostatic press welding method the most according to claim 1, it is characterised in that described first workpiece and
The material of second workpiece is tungsten alloy.
Hot isostatic press welding method the most according to claim 1, it is characterised in that described first workpiece and
Second workpiece be shaped as cylinder, make mould step in, make described first perforate and second
Perforate is cylindrical aperture.
Hot isostatic press welding method the most according to claim 3, it is characterised in that make described first perforate
The radius of radius and described first workpiece match, make the radius and described second of described second perforate
The radius of workpiece matches.
Hot isostatic press welding method the most according to claim 3, it is characterised in that in the step making mould
In Zhou, the center of described first perforate and the second perforate is made to align.
Hot isostatic press welding method the most according to claim 1, it is characterised in that in the step making mould
In Zhou, making described mould is tabular cuboid, has first surface and relative with described first surface
Second surface, described first perforate is opened in described first surface, and described second perforate is opened in described
Second surface.
Hot isostatic press welding method the most according to claim 1, it is characterised in that in the step making mould
In Zhou, the material of described mould is metal.
Hot isostatic press welding method the most according to claim 1, it is characterised in that by described first workpiece
Before being respectively put into described first perforate and the second perforate with second workpiece, in described first perforate and
On two perforate sidewalls, sark is set.
Hot isostatic press welding method the most according to claim 8, it is characterised in that in described first perforate
Include with the step arranging sark on the second perforate sidewall: in described first perforate and the second perforate side
Be coated with sealing coat on wall, and make described sealing coat cover described first perforate and the second perforate sidewall and
First perforate and the joint face of the second perforate sidewall.
Hot isostatic press welding method the most according to claim 9, it is characterised in that the material of described sealing coat
Material is boron nitride.
11. hot isostatic press welding methods according to claim 8, it is characterised in that in described first perforate
Include with the step arranging sark on the second perforate sidewall: in described first perforate and the second perforate side
Spacer is set on wall, makes described spacer cover and state the first perforate and the sidewall of the second perforate.
12. hot isostatic press welding methods according to claim 11, it is characterised in that the material of described spacer
Material is pottery.
13. hot isostatic press welding methods according to claim 11, it is characterised in that described first perforate and
Second perforate is cylindrical aperture, and described spacer is for being covered each by the first perforate and the second perforate side
Ring-type spacer on wall, the cross section of the vertical described cylinder open generatrix direction of described ring-type spacer
For ring-type.
14. hot isostatic press welding methods according to claim 1, it is characterised in that described first workpiece tool
Having the first solder side and first back side relative with the first solder side, described second workpiece has the second weldering
Junction and second back side relative with the first solder side, by described first workpiece and second workpiece difference
Put in the step of described first perforate and the second perforate, make described first solder side and the second solder side
Connectivity part in described first perforate and the second perforate contacts.
15. hot isostatic press welding methods according to claim 1, it is characterised in that outside described mould
After parcel jacket, before described jacket is carried out heat and other static pressuring processes, also include: to described jacket
Inside is de-gassed technique.
16. hot isostatic press welding methods according to claim 15, it is characterised in that inside described jacket
The step of degassing includes: heats after described jacket to temperature reaches 300 DEG C～400 DEG C, carries out incubation step,
In described heating and insulating process, lasting evacuation makes the vacuum in jacket be at least 2 × 10-3Pa,
Described temperature retention time is 2～4 hours.
17. hot isostatic press welding methods according to claim 1, it is characterised in that described jacket is carried out
The step of heat and other static pressuring processes includes: in the range of the temperature of heat and other static pressuring processes is spent 750 to 900,
Environmental stress is more than 120 MPas, and the heat-insulation pressure keeping time was at 4 to 6 hours.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499816A (en) * | 2016-02-02 | 2016-04-20 | 中国科学院等离子体物理研究所 | Manufacturing process suitable for tungsten and steel connection of first wall part of fusion reactor |
| CN109249025A (en) * | 2017-07-14 | 2019-01-22 | 北京航空航天大学 | A kind of aluminum alloy thin wall pieces hot isostatic pressing manufacturing process |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423586A (en) * | 1999-12-14 | 2003-06-11 | Tdy工业公司 | Composite rotary tool and tool fabrication method |
| US6619537B1 (en) * | 2000-06-12 | 2003-09-16 | Tosoh Smd, Inc. | Diffusion bonding of copper sputtering targets to backing plates using nickel alloy interlayers |
| CN102059444A (en) * | 2010-12-24 | 2011-05-18 | 株洲中车纽兰博科技实业有限公司 | Method and device for welding lamp body and lamp mirror of vehicle lamp |
| CN102126023A (en) * | 2011-03-11 | 2011-07-20 | 北京航空航天大学 | Powder hot isostatic pressing (HIP) forming method for titanium (Ti) alloy blisk |
| CN102248278A (en) * | 2011-06-24 | 2011-11-23 | 武汉理工大学 | Magnesium alloy and aluminum alloy interlayer diffusion welding method |
| CN102321871A (en) * | 2011-09-19 | 2012-01-18 | 基迈克材料科技（苏州）有限公司 | Hot isostatic pressing is produced the method for flat-panel monitor with the molybdenum alloy sputtering target material |
| CN102343437A (en) * | 2011-11-11 | 2012-02-08 | 宁波江丰电子材料有限公司 | Method for manufacturing tungsten target material |
| CN102554571A (en) * | 2011-12-31 | 2012-07-11 | 宁波江丰电子材料有限公司 | Sealing method for degassing tube |
| CN102672174A (en) * | 2012-05-15 | 2012-09-19 | 华中科技大学 | Method for manufacturing integral annular case part by using hot isostatic pressing process |
| CN103111619A (en) * | 2013-01-30 | 2013-05-22 | 华中科技大学 | Hot isostatic pressing two-step forming method of high temperature alloy compact piece |
-
2015
- 2015-06-09 CN CN201510312745.6A patent/CN106271012A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423586A (en) * | 1999-12-14 | 2003-06-11 | Tdy工业公司 | Composite rotary tool and tool fabrication method |
| US6619537B1 (en) * | 2000-06-12 | 2003-09-16 | Tosoh Smd, Inc. | Diffusion bonding of copper sputtering targets to backing plates using nickel alloy interlayers |
| CN102059444A (en) * | 2010-12-24 | 2011-05-18 | 株洲中车纽兰博科技实业有限公司 | Method and device for welding lamp body and lamp mirror of vehicle lamp |
| CN102126023A (en) * | 2011-03-11 | 2011-07-20 | 北京航空航天大学 | Powder hot isostatic pressing (HIP) forming method for titanium (Ti) alloy blisk |
| CN102248278A (en) * | 2011-06-24 | 2011-11-23 | 武汉理工大学 | Magnesium alloy and aluminum alloy interlayer diffusion welding method |
| CN102321871A (en) * | 2011-09-19 | 2012-01-18 | 基迈克材料科技（苏州）有限公司 | Hot isostatic pressing is produced the method for flat-panel monitor with the molybdenum alloy sputtering target material |
| CN102343437A (en) * | 2011-11-11 | 2012-02-08 | 宁波江丰电子材料有限公司 | Method for manufacturing tungsten target material |
| CN102554571A (en) * | 2011-12-31 | 2012-07-11 | 宁波江丰电子材料有限公司 | Sealing method for degassing tube |
| CN102672174A (en) * | 2012-05-15 | 2012-09-19 | 华中科技大学 | Method for manufacturing integral annular case part by using hot isostatic pressing process |
| CN103111619A (en) * | 2013-01-30 | 2013-05-22 | 华中科技大学 | Hot isostatic pressing two-step forming method of high temperature alloy compact piece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499816A (en) * | 2016-02-02 | 2016-04-20 | 中国科学院等离子体物理研究所 | Manufacturing process suitable for tungsten and steel connection of first wall part of fusion reactor |
| CN109249025A (en) * | 2017-07-14 | 2019-01-22 | 北京航空航天大学 | A kind of aluminum alloy thin wall pieces hot isostatic pressing manufacturing process |
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