CN103834943B - A method of in the solderable alloy of diamond polycrystal surface cladding - Google Patents
A method of in the solderable alloy of diamond polycrystal surface cladding Download PDFInfo
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- CN103834943B CN103834943B CN201310743913.8A CN201310743913A CN103834943B CN 103834943 B CN103834943 B CN 103834943B CN 201310743913 A CN201310743913 A CN 201310743913A CN 103834943 B CN103834943 B CN 103834943B
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- diamond polycrystal
- diamond
- powder
- metal powder
- cladding
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Abstract
The invention discloses a kind of methods in the solderable alloy of diamond polycrystal surface cladding for belonging to welding diamond polycrystal technical field, to improve the solderability of diamond polycrystal.Its step includes the selection of coat powder metallurgy composition；Laying method of the powder metallurgy in glomerocryst external surface；Coating processes parameter and method.It is not infiltrated and is welded by conventional copper alloy based on diamond polycrystal, the method of the present invention is to find a kind of particulate metal alloy material with diamond polycrystal with metallurgical binding, and so that it is coated on the surface of polycrystal using simple and feasible method, diamond polycrystal can thus be welded with conventional soldering processes.
Description
Technical field
The invention belongs to weld diamond polycrystal in the method for the solderable alloy of surface cladding, a kind of improvement diamond is poly-
The method of plane of crystal solderability.
Background technology
Diamond polycrystal is by varigrained diamond dust through high temperature and pressure sinter molding, it has diamond
High rigidity, high-wear resistance, its commercial Application is very extensive in recent years：Mechanical processing, geological drilling, stone material bore saw and pottery
The processing of the stiff materials such as porcelain, glass.Each machining tool is made with diamond polycrystal, many will be relied on dimond synneusis
Body gets up with tool base soldering.But diamond is difficult to silver, copper brazing alloy is infiltrated and welded, this gives diamond
The manufacture of glomerocryst tool brings many difficulties.
Invention content
The object of the present invention is to provide a kind of specific alloy materials with diamond polycrystal with metallurgical binding, wherein containing
Have has particulate metal element reacted compared with strong interface with diamond crystal, such as Ti, Cr, Si, Ni and promotion alloy element, such as
Ni, Co, Cu mixed metal powder, and make its cladding on the surface of polycrystal using simple and feasible method, it can thus use
Conventional soldering processes weld diamond polycrystal.
The object of the present invention is to provide a kind of specific alloy materials with diamond polycrystal surface with metallurgical binding, and
Make its cladding on diamond polycrystal surface using simple and feasible method, it is provided by the invention molten on diamond polycrystal surface
The method for covering solderable alloy, includes the following steps：
(1) cleaning treatment of welding surface：
Welding surface is placed in gasoline solution ultrasonic wave transmitting slot, is cleaned by ultrasonic, it is 10 to 20 minutes in general capable of washing.
(2) preparation of Petrol-rubber Solution；Buna is taken, and is dissolved in gasoline, Petrol-rubber Solution is obtained,
The ratio of buna and gasoline can be（1~3）：10.
(3) preparation of particulate metal powder：
Select has the metallic element reacted compared with strong interface and promotion metal of alloying powder, powder size with diamond crystal
It is -150 mesh to -300 mesh, wherein have the metallic element reacted compared with strong interface to account for mixed metal powder with diamond crystal
Weight percent is 5% to 40%, can be at least one of Ti, Si, Cr, metal of alloying powder is promoted to account for mixed metal powder
Weight percent be 60% to 95%, can be at least one of Ni, Co, Cu；
(4) coating of the mixed-powder on diamond polycrystal surface：
To through to glue on diamond polycrystal surface ultrasonic cleaning described in step (1) and smear described in a thin layer step (2)
Petrol-rubber Solution applies it and glues last layer step (3) before Petrol-rubber Solution on diamond polycrystal surface is not dry
Described in mixed metal powder, thickness can be 0.5 millimeter to 1 millimeter；
(5) cladding of surface metal powder
The diamond polycrystal that surface described in step (4) is coated to mixed metal powder, is placed in quartz boat, so
Dislocation is in vacuum furnace afterwards, vacuum degree 10-2 to 10-4Pa, and 10 to 30 minutes are kept the temperature at 1000 DEG C to 1050 DEG C, and cooling goes out
Stove.Diamond polycrystal surface one layer of welding metal alloy layer with regard to cladding after cooling is come out of the stove, can be to diamond
Polycrystal applies conventional soldering processes.
Beneficial effects of the present invention are：
The present invention relates to it is a kind of diamond polycrystal surface coat one layer with diamond polycrystal firm connection it is solderable
The method for engaging gold, to improve the solderability of diamond polycrystal.Its step includes the selection of coat powder metallurgy composition；Powder
Laying method of the last alloy in glomerocryst external surface；Coating processes parameter and method.Based on diamond polycrystal not by conventional copper
Alloy infiltrates and welding, and the method for the present invention is to find a kind of particulate metal alloy with diamond polycrystal with metallurgical binding
Material, and so that it is coated on the surface of polycrystal using simple and feasible method, it can thus use conventional soldering processes pair
Diamond polycrystal is welded.
Specific implementation mode
The following examples can make those skilled in the art that the present invention be more completely understood, but not limit in any way
The present invention.
Embodiment 1
A method of in the solderable alloy of diamond polycrystal surface cladding
(1) cleaning treatment of welding surface：
Welding surface is placed in gasoline solution ultrasonic wave transmitting slot, is cleaned by ultrasonic 10 minutes.
(2) preparation of Petrol-rubber Solution；50 grams of buna is taken, is dissolved in 100 milliliters of gasoline, obtains gasoline rubber
Solution.
(3) preparation of particulate metal powder：
Select has the metallic element reacted compared with strong interface and promotion metal of alloying powder with diamond crystal, with diamond
It is Ti, Si and Cr that crystal, which has the metallic element reacted compared with strong interface, and it is Ni, Co and Cu, powder grain to promote metal of alloying powder
Degree is -150 mesh to -300 mesh, and the proportioning mixing of 30%Ni+20%Co+13%Cu+20%Si+15%Cr+2%Ti by weight percentage is equal
It is even, form mixed metal powder.
(4) coating of the mixed-powder on diamond polycrystal surface：
To through to glue on diamond polycrystal surface ultrasonic cleaning described in step (1) and smear described in a thin layer step (2)
Petrol-rubber Solution applies it and glues last layer step (4) before Petrol-rubber Solution on diamond polycrystal surface is not dry
Described in metal powder, thickness be 0.5 to 1 millimeter.
(5) cladding of surface metal powder
The diamond polycrystal that surface described in step (4) is coated to mixed metal powder, is placed in quartz boat, so
Dislocation is in vacuum furnace afterwards, vacuum degree 10-2Pa keeps the temperature 0.5 hour at 1000 DEG C to 1050 DEG C, diamond after cooling is come out of the stove
Polycrystal surface one layer of welding metal alloy layer with regard to cladding, can apply conventional solderer to diamond polycrystal
Skill.
Embodiment 2
Specific alloy powder described in the step of embodiment 1 (3) is 20%Ni+40%Cu+20%Si+15% by weight percent
Cr+5%Ti is formed, remaining step is same as Example 1.
Embodiment 3
Specific alloy powder described in the step of embodiment 1 (3) is 40%Ni+20Co+15%Cr+20% by weight percent
Si+5%Ti is formed, remaining step is same as Example 1.
Embodiment 4
Specific alloy powder is made of weight percent for 65%Ni+35%Si described in the step of embodiment 1 (3), remaining
Step is same as Example 1.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (6)
1. a kind of method in the solderable alloy of diamond polycrystal surface cladding, it is characterised in that include the following steps：
(1) cleaning treatment of welding surface：
Welding surface is placed in gasoline solution ultrasonic wave transmitting slot, is cleaned by ultrasonic；
(2) preparation of Petrol-rubber Solution；Buna is taken, and is dissolved in gasoline, Petrol-rubber Solution is obtained；
(3) preparation of particulate metal powder：
Select has the metallic element reacted compared with strong interface and promotion metal of alloying powder with diamond crystal, by constant weight hundred
Divide and be uniformly mixed than proportioning, forms mixed metal powder, wherein there is the metallic element reacted compared with strong interface to account for diamond crystal
The weight percent of mixed metal powder is 5% to 40%, and metal of alloying powder is promoted to account for the weight percent of mixed metal powder
Than being 60% to 95%；
(4) coating of the mixed-powder on diamond polycrystal surface：
A thin layer step (2) described gasoline is smeared by being glued on the diamond polycrystal surface by ultrasonic cleaning described in step (1)
Rubber solutions apply it and glue institute in last layer step (3) before Petrol-rubber Solution on diamond polycrystal surface is not dry
The mixed metal powder stated；
(5) cladding of surface metal powder
The diamond polycrystal that surface described in step (4) is coated to mixed metal powder, is placed in quartz boat, then moves
It is placed in vacuum furnace, vacuum degree 10-2To 10-4Pa, when being kept the temperature 10 to 30 minutes at 1000 DEG C to 1050 DEG C, cooling is come out of the stove
.
2. the method according to claim 1 in the solderable alloy of diamond polycrystal surface cladding, it is characterised in that：Step
Suddenly it is 10 to 20 minutes to be cleaned by ultrasonic the time in (1).
3. the method according to claim 1 in the solderable alloy of diamond polycrystal surface cladding, it is characterised in that：Step
Suddenly in (2) Petrol-rubber Solution, the volume ratio of buna and gasoline is（1~3）：10.
4. the method according to claim 1 in the solderable alloy of diamond polycrystal surface cladding, it is characterised in that：Step
In (3), there is the powder size of the metallic element and promotion metal of alloying powder that are reacted compared with strong interface equal with diamond crystal suddenly
For -150 mesh to -300 mesh.
5. the method according to claim 1 in the solderable alloy of diamond polycrystal surface cladding, it is characterised in that：Step
Suddenly in (3), it is at least one of Ti, Si, Cr to have the metallic element reacted compared with strong interface with diamond crystal, promotes alloying
Metal powder is at least one of Ni, Co, Cu.
6. the method according to claim 1 in the solderable alloy of diamond polycrystal surface cladding, it is characterised in that：Step
Suddenly in (4), it is 0.5 millimeter to 1 millimeter to apply viscous mixed metal powder thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743913.8A CN103834943B (en) | 2013-12-30 | 2013-12-30 | A method of in the solderable alloy of diamond polycrystal surface cladding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743913.8A CN103834943B (en) | 2013-12-30 | 2013-12-30 | A method of in the solderable alloy of diamond polycrystal surface cladding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103834943A CN103834943A (en) | 2014-06-04 |
| CN103834943B true CN103834943B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310743913.8A Expired - Fee Related CN103834943B (en) | 2013-12-30 | 2013-12-30 | A method of in the solderable alloy of diamond polycrystal surface cladding |
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Families Citing this family (1)
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| CN113482613B (en) * | 2021-07-06 | 2024-02-27 | 太原理工大学 | Preparation method of high-wear-resistance cutting pick with super-hard wear-resistant particles on surface |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100286B (en) * | 1985-04-01 | 1987-01-21 | 林增栋 | Diamond surface metallization technique |
| US4776862A (en) * | 1987-12-08 | 1988-10-11 | Wiand Ronald C | Brazing of diamond |
| CN101363119B (en) * | 2008-09-28 | 2010-09-29 | 北京市粉末冶金研究所有限责任公司 | Weldability modification method of complicated carbide hard alloy surface |
| CN102286742A (en) * | 2011-08-27 | 2011-12-21 | 郑州机械研究所 | Method for metallizing diamond surface |
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Granted publication date: 20180814 Termination date: 20181230 |