CN107363432B - It is a kind of for connecting the composite soldering and method for welding of nickel base superalloy - Google Patents
It is a kind of for connecting the composite soldering and method for welding of nickel base superalloy Download PDFInfo
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- CN107363432B CN107363432B CN201710767258.8A CN201710767258A CN107363432B CN 107363432 B CN107363432 B CN 107363432B CN 201710767258 A CN201710767258 A CN 201710767258A CN 107363432 B CN107363432 B CN 107363432B
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- base superalloy
- nickel
- composite soldering
- graphene
- nickel base
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Classifications
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
Abstract
It is a kind of for connecting the composite soldering and method for welding of nickel base superalloy, the method can solve at existing joint interface due in solder melting point depressant spread that be formed by frangible compounds more into base material, connector plasticity is poor, the problem of aerospace is to high performance requirements can not be fully met, composite soldering of the invention adds Si, B melting point depressant and graphene reinforced phase is made up of ultrasonic agitation method by essential element Ni, Cr；Composite soldering is placed between joint face, be put into heating and thermal insulation in vacuum furnace, room temperature is finally cooled to and completes soldering.Operation of the present invention is simple, the addition of graphene hinders enrichment of the melting point depressants such as Si, B at base material and brazed seam linkage interface in solder, inhibit the overreaction of solder and base material, the frangible compounds quantity being precipitated at linkage interface significantly reduces, the crystallite dimension of diffusion region tends to uniformly, substantially increase joint performance.
Description
Technical field
The present invention relates to high temperature alloy connection areas, and in particular to a kind of for connecting the composite soldering of nickel base superalloy
And method for welding.
Background technique
Nickel base superalloy has excellent high temperature strength, and has good inoxidizability and anticorrosive in the high temperature environment
Property the advantages that, be manufacture the high-temperature components such as aero-engine and the turbine disk, turbo blade and combustion chamber in dynamic power machine pass
Key material.However microstructure segregation etc. is easily formed since nickel base superalloy is easy to produce weld crack, weld seam in the welding process
Problem causes welding joint mechanical property and high-temperature and durable to decline, and has seriously affected the normal use of component.Thus to Ni-based
More stringent requirements are proposed for the performance of the complex structural member of high temperature alloy connection preparation, guarantees the quality of high temperature conjunction component, mentions
Rise the safety and reliability, the overall performance for improving nickel base superalloy structural member Interface Microstructure, comprehensive raising connector of component
It is the key that prepare high-performance component.Wherein soldering is one of the main method of nickel base superalloy welding.
Currently, the melting point depressants such as Si, B in traditional nickel-based solder expand in brazing process to nickel base superalloy base material
It dissipates, due to the difference of melting point depressant diffusion velocity in liquid solder and solid-state base material, melting point depressant can occur at joint interface
A large amount of frangible compounds are precipitated in the phenomenon that enrichment, so that connector plasticity is deteriorated, so as to cause mechanical properties decrease.
Graphene is as a kind of new carbon, since its thermal conductivity is strong, density is small, intensity is high, large specific surface area, resistance to height
A series of excellent performances such as temperature, the switching performance of soldered fitting is improved frequently as reinforced phase.The special two-dimentional bee of graphene
Nest shape lattice structure can hinder interatomic diffusion to a certain extent, inhibit the formation of harmful phase.
Summary of the invention
Base material and brazed seam interface when the invention aims to solve existing nickel-based solder soldering nickel base superalloy
Melting point depressant enrichment serious the problem of causing performance to decline, and design provide it is a kind of for connecting the compound of nickel base superalloy
Solder and method for welding improve the mechanical property of soldered fitting, extend application of the nickel base superalloy in engineering field.
Of the invention is a kind of for connecting the composite soldering of nickel base superalloy, and the composite soldering includes nickel-based solder
And graphene, the nickel-based solder include Ni, Cr, Si, B, in the composite soldering weight fraction of Si, B and graphene it
Than for (4.50 ~ 4.70): (3.10 ~ 3.40): (0.1 ~ 0.8), the graphene with a thickness of 0.55nm ~ 0.74nm.
Further, in composite soldering of the present invention the ratio between weight fraction of Ni, Cr, Si, B and graphene be (84.0 ~
85.0): (7.10 ~ 7.30): (4.50 ~ 4.70): (3.10 ~ 3.40): (0.1 ~ 0.8), the graphene with a thickness of 0.55nm ~
0.74nm。
Further, composite soldering of the present invention includes nickel-based solder and graphene, the nickel-based solder include Ni, Cr,
Si, B, the ratio between weight fraction of Ni, Cr, Si, B and graphene is 84.87:7.26:4.63:3.24 in the composite soldering:
(0.1 ~ 0.8), the graphene with a thickness of 0.55nm ~ 0.74nm.
A kind of method for connecting the composite soldering of nickel base superalloy of the invention is realized according to the following steps:
(1), prepare composite soldering: will with a thickness of 0.55nm ~ 0.74nm graphene ultrasonic disperse in acetone soln,
Then nickel-based solder is added in the acetone soln of above-mentioned graphene uniform dispersion, frequency and revolving speed be respectively 35kHz and
30min ~ 40min is stirred by ultrasonic under conditions of 400r/min ~ 500r/min, obtains being made of nickel-based solder and graphene compound
Solder, wherein used in nickel-based solder include Ni, Cr, Si, B ..., in composite soldering the parts by weight of Si, B and graphene it
Than for 4.63:3.24:(0.1 ~ 0.8).
(2), sample pretreating: nickel base superalloy is machined, and obtains nickel base superalloy sample to be connected,
Then the joint face to be welded of nickel base superalloy is polished using sand paper, polishing, then the nickel base superalloy handled well is put into
It is cleaned by ultrasonic 5min ~ 15min in acetone soln.
(3), assemble: composite soldering is coated uniformly on nickel base superalloy sample to be connected, be assembled into alloy/
Composite soldering/alloy form, wherein composite soldering with a thickness of 80 μm ~ 120 μm.
(4), it welds: assembly parts obtained in step (3) being placed in vacuum furnace, 1.5 × 10-3~3×
10-3It is heated under the vacuum state of Pa, control heating rate is 10 DEG C/min ~ 20 DEG C/min, is warming up to 1090oC ~ 1200o
Then C keeps the temperature 10min ~ 40min, then controls furnace cooling after 5 DEG C/min ~ 10 DEG C/min cooling rate is cooled to 600 DEG C,
Realize composite soldering to the soldering connection of nickel base superalloy.
Further, used when the composite soldering of preparation step (one) of the present invention: the parts by weight of Ni, Cr, Si, B and graphene
The ratio between number is (84.0 ~ 85.0)；(7.10 ~ 7.30): (4.50 ~ 4.70): (3.10 ~ 3.40): (0.1 ~ 0.8), the graphene
With a thickness of 0.55nm ~ 0.74nm.
Further, used when the composite soldering of preparation step (one) of the present invention: the parts by weight of Ni, Cr, Si, B and graphene
Number the ratio between be 84.87:7.26:4.63:3.24:(0.1 ~ 0.8), the graphene with a thickness of 0.55nm ~ 0.74nm.
The beneficial effects of the present invention are: the composite soldering that the present invention selects, the graphene in solder can effectively hinder Si,
Diffusion of the melting point depressants such as B to base material metal, it is suppressed that it is in base material close to the enrichment of the interface of brazed seam, it is possible to reduce harmful
The formation of brittlement phase, to realize the good connection of nickel base superalloy.Nickel is preferentially brazed using composite soldering using of the invention
Based high-temperature alloy effectively increases the elevated temperature strength of existing nickel base superalloy connection components part, before having greatly application
Scape.
Detailed description of the invention
Fig. 1 is a kind of answering for method and step (two) preparation for connecting the composite soldering of nickel base superalloy of embodiment 1
Close the electron scanning micrograph of solder.
Fig. 2 is that a kind of interface microstructure for connecting the method for the composite soldering of nickel base superalloy of embodiment 1 is shone
Piece.
Specific embodiment
Technical solution of the present invention is not limited to following illustrated specific embodiment, further include each specific embodiment it
Between any combination.
Embodiment 1:
It is a kind of for connecting the composite soldering of nickel base superalloy, the composite soldering includes nickel-based solder and graphite
Alkene, the nickel-based solder include Ni, Cr, Si, B, the ratio between Ni, Cr, Si, B and the weight fraction of graphene in the composite soldering
For 84.87:7.26:4.63:3.24:0.5, the graphene with a thickness of 0.55nm ~ 0.74nm.
A kind of method for connecting the composite soldering of nickel base superalloy is realized according to the following steps:
(1), prepare composite soldering: will with a thickness of 0.55nm ~ 0.74nm graphene ultrasonic disperse in acetone soln,
Then nickel-based solder is added in the acetone soln of above-mentioned graphene uniform dispersion, frequency and revolving speed be respectively 35kHz and
36min is stirred by ultrasonic under conditions of 480r/min, obtains the composite soldering being made of nickel-based solder and graphene, used in
Nickel-based solder include Ni, Cr, Si, B, the ratio between parts by weight of Si, B and graphene are 4.63:3.24:0.5 in composite soldering.
(2), sample pretreating: nickel base superalloy is machined, and obtains nickel base superalloy sample to be connected,
Then the joint face to be welded of nickel base superalloy is polished using sand paper, polishing, then the nickel base superalloy handled well is put into
It is cleaned by ultrasonic 15min in acetone soln；
(3), assemble: composite soldering is coated uniformly on nickel base superalloy sample to be connected, be assembled into alloy/
Composite soldering/alloy form, wherein composite soldering with a thickness of 100 μm；
(4), it welds: assembly parts obtained in step (3) being placed in vacuum furnace, 3 × 10-3The vacuum of Pa
Heated under state, control heating rate be 20 DEG C/min, be warming up to 1160 DEG C, then keep the temperature 30min, then control 10 DEG C/
Furnace cooling after the cooling rate of min is cooled to 600 DEG C, i.e. soldering connection of the realization composite soldering to nickel base superalloy.
The present invention can be realized the soldering connection of nickel base superalloy, thick by control graphene content and composite soldering
Degree realizes the grain size size to base material and brazed seam interface and the control of frangible compounds distribution, and then controls soldering and connect
The microstructure and mechanical property of head.After tested, the room temperature shear strength of connector and 800 DEG C of shear at high temperature intensity highests respectively can
Up to 410.4MPa and 329.7MPa.
Embodiment 2:
It is a kind of for connecting the composite soldering of nickel base superalloy, the composite soldering includes nickel-based solder and graphite
Alkene, the nickel-based solder include Ni, Cr, Si, B, the ratio between Ni, Cr, Si, B and the weight fraction of graphene in the composite soldering
For 84.87:7.26:4.63:3.24:0.1, the graphene with a thickness of 0.55nm ~ 0.74nm.
A kind of method for connecting the composite soldering of nickel base superalloy is realized according to the following steps:
(1), prepare composite soldering: will with a thickness of 0.55nm ~ 0.74nm graphene ultrasonic disperse in acetone soln,
Then nickel-based solder is added in the acetone soln of above-mentioned graphene uniform dispersion, frequency and revolving speed be respectively 35kHz and
30min is stirred by ultrasonic under conditions of 400r/min, obtains the composite soldering being made of nickel-based solder and graphene, used in
Nickel-based solder include Ni, Cr, Si, B, the ratio between parts by weight of Si, B and graphene are 4.63:3.24:0.1 in composite soldering.
(2), sample pretreating: nickel base superalloy is machined, and obtains nickel base superalloy sample to be connected,
Then the joint face to be welded of nickel base superalloy is polished using sand paper, polishing, then the nickel base superalloy handled well is put into
It is cleaned by ultrasonic 15min in acetone soln；
(3), assemble: composite soldering is coated uniformly on nickel base superalloy sample to be connected, be assembled into alloy/
Composite soldering/alloy form, wherein composite soldering with a thickness of 80 μm；
(4), it welds: assembly parts obtained in step (3) being placed in vacuum furnace, 3 × 10-3The vacuum of Pa
Heated under state, control heating rate be 20 DEG C/min, be warming up to 1200oC, then keep the temperature 30min, then control 10 DEG C/
Furnace cooling after the cooling rate of min is cooled to 600 DEG C, i.e. soldering connection of the realization composite soldering to nickel base superalloy
It is complete using connector obtained by present embodiment, realize being reliably connected for nickel base superalloy.After tested, it connects
The room temperature shear strength and 800 DEG C of shear at high temperature intensity highests of head are respectively up to 320.7MPa and 243.5MPa.
Embodiment 3:
It is a kind of for connecting the composite soldering of nickel base superalloy, the composite soldering includes nickel-based solder and graphite
Alkene, the nickel-based solder include Ni, Cr, Si, B, the ratio between Ni, Cr, Si, B and the weight fraction of graphene in the composite soldering
For 84.87:7.26:4.63:3.24:0.3, the graphene with a thickness of 0.55nm ~ 0.74nm.
A kind of method for connecting the composite soldering of nickel base superalloy is realized according to the following steps:
(1), prepare composite soldering: will with a thickness of 0.55nm ~ 0.74nm graphene ultrasonic disperse in acetone soln,
Then nickel-based solder is added in the acetone soln of above-mentioned graphene uniform dispersion, frequency and revolving speed be respectively 35kHz and
33min is stirred by ultrasonic under conditions of 450r/min, obtains the composite soldering being made of nickel-based solder and graphene, used in
Nickel-based solder include Ni, Cr, Si, B, the ratio between parts by weight of Si, B and graphene are 4.63:3.24:0.3 in composite soldering.
(2), sample pretreating: nickel base superalloy is machined, and obtains nickel base superalloy sample to be connected,
Then the joint face to be welded of nickel base superalloy is polished using sand paper, polishing, then the nickel base superalloy handled well is put into
It is cleaned by ultrasonic 15min in acetone soln；
(3), assemble: composite soldering is coated uniformly on nickel base superalloy sample to be connected, be assembled into alloy/
Composite soldering/alloy form, wherein composite soldering with a thickness of 120 μm；
(4), it welds: assembly parts obtained in step (3) being placed in vacuum furnace, 3 × 10-3The vacuum of Pa
Heated under state, control heating rate be 20 DEG C/min, be warming up to 1170 DEG C, then keep the temperature 30min, then control 10 DEG C/
Furnace cooling after the cooling rate of min is cooled to 600 DEG C, i.e. soldering connection of the realization composite soldering to nickel base superalloy
It is complete using connector obtained by present embodiment, realize being reliably connected for nickel base superalloy.After tested, it connects
The room temperature shear strength and 800 DEG C of shear at high temperature intensity highests of head are respectively up to 358.6MPa and 267.1MPa.
Embodiment 4:
It is a kind of for connecting the composite soldering of nickel base superalloy, the composite soldering includes nickel-based solder and graphite
Alkene, the nickel-based solder include Ni, Cr, Si, B, the ratio between Ni, Cr, Si, B and the weight fraction of graphene in the composite soldering
For 84.87:7.26:4.63:3.24:0.8, the graphene with a thickness of 0.55nm ~ 0.74nm.
A kind of method for connecting the composite soldering of nickel base superalloy is realized according to the following steps:
(1), prepare composite soldering: will with a thickness of 0.55nm ~ 0.74nm graphene ultrasonic disperse in acetone soln,
Then nickel-based solder is added in the acetone soln of above-mentioned graphene uniform dispersion, frequency and revolving speed be respectively 35kHz and
40min is stirred by ultrasonic under conditions of 500r/min, obtains the composite soldering being made of nickel-based solder and graphene, used in
Nickel-based solder include Ni, Cr, Si, B, the ratio between parts by weight of Si, B and graphene are 4.63:3.24:0.8 in composite soldering.
(2), sample pretreating: nickel base superalloy is machined, and obtains nickel base superalloy sample to be connected,
Then the joint face to be welded of nickel base superalloy is polished using sand paper, polishing, then the nickel base superalloy handled well is put into
It is cleaned by ultrasonic 15min in acetone soln；
(3), assemble: composite soldering is coated uniformly on nickel base superalloy sample to be connected, be assembled into alloy/
Composite soldering/alloy form, wherein composite soldering with a thickness of 90 μm；
(4), it welds: assembly parts obtained in step (3) being placed in vacuum furnace, 3 × 10-3The vacuum of Pa
Heated under state, control heating rate be 20 DEG C/min, be warming up to 1130 DEG C, then keep the temperature 30min, then control 10 DEG C/
Furnace cooling after the cooling rate of min is cooled to 600 DEG C, i.e. soldering connection of the realization composite soldering to nickel base superalloy
It is complete using connector obtained by present embodiment, realize being reliably connected for nickel base superalloy.After tested, it connects
The room temperature shear strength and 800 DEG C of shear at high temperature intensity highests of head are respectively up to 354.6MPa and 251.4MPa.
Claims (2)
1. a kind of for connecting the method for welding of nickel base superalloy, solder is composite soldering, and composite soldering includes nickel-based solder
And graphene, the nickel-based solder include Ni, Cr, Si, B, the ratio between weight fraction of Ni, Cr, Si, B and graphene for 84.0~
85.0:7.1~7.3:4.5~4.7:3.1~3.4:0.1~0.8, graphene with a thickness of 0.55nm~0.74nm, feature
It is to realize according to the following steps:
(1), prepare composite soldering: by with a thickness of the graphene ultrasonic disperse of 0.55nm~0.74nm in acetone soln, then
Nickel-based solder is added in the acetone soln of above-mentioned graphene uniform dispersion, is respectively 35kHz and 400r/ in frequency and revolving speed
30min~40min is stirred by ultrasonic under conditions of min~500r/min, obtains the compound pavilion being made of nickel-based solder and graphene
Material；
(2), sample pretreating: nickel base superalloy is machined, and obtains nickel base superalloy sample to be connected, then
The joint face to be welded of nickel base superalloy is polished, polishing using sand paper, then the nickel base superalloy handled well is put into acetone
It is cleaned by ultrasonic 5 min~15min in solution；
(3), it assembles: composite soldering being coated uniformly on nickel base superalloy sample to be connected, be assembled into nickel-base high-temperature conjunction
Gold/composite soldering/nickel base superalloy form, wherein composite soldering with a thickness of 80 μm~120 μm；
(4), it welds: assembly parts obtained in step 3 being placed in vacuum furnace, 1.5 × 10-3~3 × 10-3Pa's
It is heated under vacuum state, control heating rate is 10 °C/min~20 °C/min, is warming up to 1090 °C~1200 °C, then
10min~40min is kept the temperature, then controls furnace cooling after 5 DEG C/min~10 DEG C/min cooling rate is cooled to 600 DEG C, i.e., in fact
Soldering connection of the existing composite soldering to nickel base superalloy.
2. according to claim 1 a kind of for connecting the method for welding of nickel base superalloy, it is characterised in that: described multiple
Closing the ratio between weight fraction of solder Ni, Cr, Si, B and graphene is 84.87:7.26:4.63:3.24:0.1~0.8.
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| CN201710767258.8A CN107363432B (en) | 2017-08-31 | 2017-08-31 | It is a kind of for connecting the composite soldering and method for welding of nickel base superalloy |
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Families Citing this family (5)
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| CN109128583B (en) * | 2018-10-15 | 2020-12-29 | 华北水利水电大学 | Brazing filler metal for vacuum brazing of high-nitrogen steel and preparation method thereof |
| CN109623201B (en) * | 2019-01-18 | 2021-07-16 | 大连理工大学 | Nickel-based brazing filler metal for nickel-based high-temperature alloy brazing and preparation method thereof |
| CN109926677B (en) * | 2019-05-06 | 2021-11-26 | 衢州学院 | Welding method and welded part of nickel-based alloy |
| CN113182660B (en) * | 2021-05-08 | 2022-10-11 | 浙江工业大学 | SPS diffusion welding method of DD98 same-type nickel-based single crystal superalloy |
| CN114453824A (en) * | 2021-12-25 | 2022-05-10 | 西北工业大学 | Brazing filler metal repairing method for surface defects of C/C composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1076958A (en) * | 1964-12-14 | 1967-07-26 | Engelhard Ind Inc | Brazing alloys |
| CN101890591A (en) * | 2010-07-06 | 2010-11-24 | 哈尔滨工业大学 | Nickel-based high temperature solder and preparation method thereof |
| CN102581504A (en) * | 2012-03-23 | 2012-07-18 | 天津大学 | Graphene reinforced lead-free solder and preparation method thereof |
| CN104607823A (en) * | 2014-12-12 | 2015-05-13 | 南京大学 | Manufacturing method of spherical self-fluxing alloy solder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9999944B2 (en) * | 2012-08-28 | 2018-06-19 | Hobart Brothers Company | Systems and methods for welding electrodes |
-
2017
- 2017-08-31 CN CN201710767258.8A patent/CN107363432B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1076958A (en) * | 1964-12-14 | 1967-07-26 | Engelhard Ind Inc | Brazing alloys |
| CN101890591A (en) * | 2010-07-06 | 2010-11-24 | 哈尔滨工业大学 | Nickel-based high temperature solder and preparation method thereof |
| CN102581504A (en) * | 2012-03-23 | 2012-07-18 | 天津大学 | Graphene reinforced lead-free solder and preparation method thereof |
| CN104607823A (en) * | 2014-12-12 | 2015-05-13 | 南京大学 | Manufacturing method of spherical self-fluxing alloy solder |
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