CN107127474A - A kind of welding method of carbon doping composite brazing material - Google Patents
A kind of welding method of carbon doping composite brazing material Download PDFInfo
- Publication number
- CN107127474A CN107127474A CN201710375488.XA CN201710375488A CN107127474A CN 107127474 A CN107127474 A CN 107127474A CN 201710375488 A CN201710375488 A CN 201710375488A CN 107127474 A CN107127474 A CN 107127474A
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- CN
- China
- Prior art keywords
- carbon
- nano
- parts
- powder
- brazing material
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/282—Zn 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
Abstract
The invention discloses a kind of welding method of carbon doping composite brazing material, brazing material of the present invention has the advantages that fusing point is low, wetability is good, the brazing material has carbon material prepared by special process, so that the welding technological properties of brazing material, particularly ensures that soldering wire welding is completely melt and the wellability of welding bead is good;Soldering processes carry out soldering using carbon-dioxide arc welding as thermal source, the problem of overcoming existing brazing material case hardness and wear no resistance, so as to obtain high case hardness and wearability.
Description
Technical field
The present invention relates to welding field, and in particular to a kind of welding method of carbon doping composite brazing material.
Background technology
It is welded in modern manufacturing industry and handicraft and played an important role.Soldering is to use gold more low-melting than mother metal
Category material makees solder, by weldment and solder heat to higher than solder fusing point, less than mother metal fusion temperature, is soaked using liquid solder
Mother metal, fills play movement and realizes the method for being connected weldment with the counterdiffusion of mother metal phase.Brazing deformation is small, joint smooth and beautiful appearance,
It is suitable for the component that welding is accurate, complicated and is made up of different materials.With the development and the raising of living standards of the people of society,
People have to the appearance design of the metal decorations such as lamp decoration, jewellery, tableware, headwear or handicraft etc., surface quality and material property
Higher requirement.
Numerous parts during long-term use and military service the heavy wear of generating material surface and fail.Soldering is a kind of table
Face modification processing method, refers to the alloy material with certain performance by certain thermal source means cladding in fertile material
Surface, to assign mother metal Special use performance or part is recovered the process of original geomery.It can improve zero
Part service life, makes common material surface obtain wear-resisting, corrosion-resistant, high rigidity brazing layer.
The content of the invention
The present invention provides a kind of welding method of carbon doping composite brazing material, and brazing material of the present invention has
The advantage that fusing point is low, wetability is good, the brazing material has carbon material prepared by special process so that the welding of brazing material
Processing performance, particularly ensures that soldering wire welding is completely melt and the wellability of welding bead is good;Soldering processes utilize titanium dioxide
Carbon protection weldering carries out soldering as thermal source, the problem of overcoming existing brazing material case hardness and wear no resistance, so as to obtain height
Case hardness and wearability.
To achieve these goals, the invention provides a kind of welding method of carbon doping composite brazing material, this method
Comprise the following steps:
(1)Prepare complex carbon material powder
Graphitic pretreatment, mixes sodium fluoride in Nano graphite powder, and adds metallic catalyst, mixes, in inert gas shielding
Under 600-650 DEG C heating, the heat time control in 10-15min, sodium fluoride is fixed on Nano graphite powder surface;
Carbon nano-fiber is pre-processed, and the Nano carbon fibers Wesy concentrated sulfuric acid and potassium permanganate are carried out mixing acid oxidase, through ultrasonic violent
After stirring, the carbon nano-fiber of carboxylated is obtained, surface conditioning agent is added, 10-15min is heated at 150-200 DEG C,
Nitrogen and helium it is mixed gas protected under heat 30-45min, the carbon nano-fiber material pre-processed at 400-450 DEG C;
The carbon nano-fiber of the graphite of pretreatment and pretreatment is placed in container, dissolved with 150-250 parts of isopropanols, with strength
Blender is blended, and then carries out ultrasonic disperse with ultrasonic wave separating apparatus again, supersonic frequency is 25-30kHz, and the time is 1-2h, shape
Into the nano-sized carbon conductive fiber material solution of homogeneous;
Obtained nano-sized carbon conductive fiber material solution and chemical blend thing are subjected to chemical blend, the chemical blend thing is poly-
Vinyl chloride, the mass fraction of the chemical blend thing accounts for the 25-30% of original solution, and compound carbon materials are prepared with method of electrostatic spinning
Material, ball mill grinding obtains complex carbon material powder;
(2)According to following parts by weight dispensing:
66-73 parts of Zn
Above-mentioned 1-1.5 parts of complex carbon material powder
6-8 parts of Sn
6-9 parts of V
0.1-0.3 parts of Cu
0.2-0.3 parts of Mn;
Corresponding powder is selected by the above-mentioned proportioning respectively constituted, mixes in proportion and obtains mixed powder;
(3)The carbon doping composite brazing material powder is placed in brazing equipment, when vacuum is not less than 5 × 10-3Pa
When, 300-350 DEG C is warming up to 10-15 DEG C/min speed, 15-20min is incubated, is warming up to 5-10 DEG C/min speed
700-750 DEG C, 20-25min is incubated, then 950 DEG C -1150 DEG C of brazing temperature is continuously heating to 15-20 DEG C/min speed, is protected
Warm 20-30min, finally cools to room temperature with the furnace, you can.
Embodiment
Embodiment one
Graphitic pretreatment, mixes sodium fluoride in Nano graphite powder, and adds metallic catalyst, mixes, in inert gas shielding
Under 600 DEG C heating, the heat time control in 10min, sodium fluoride is fixed on Nano graphite powder surface.
Carbon nano-fiber is pre-processed, and the Nano carbon fibers Wesy concentrated sulfuric acid and potassium permanganate is carried out mixing acid oxidase, through ultrasound
After being stirred vigorously, the carbon nano-fiber of carboxylated is obtained, surface conditioning agent is added, heats 10min at 150 DEG C, in nitrogen
Gas and helium it is mixed gas protected under heat 30min, the carbon nano-fiber material pre-processed at 400 DEG C.
The carbon nano-fiber of the graphite of pretreatment and pretreatment is placed in container, dissolved with 150 parts of isopropanols, with strength
Blender is blended, and then carries out ultrasonic disperse with ultrasonic wave separating apparatus again, supersonic frequency is 25kHz, and the time is 1h, forms homogeneous
Nano-sized carbon conductive fiber material solution.
Obtained nano-sized carbon conductive fiber material solution and chemical blend thing are subjected to chemical blend, the chemical blend thing
For polyvinyl chloride, the mass fraction of the chemical blend thing accounts for the 25% of original solution, compound carbon materials is prepared with method of electrostatic spinning
Material, ball mill grinding obtains complex carbon material powder.
66 parts of Zn
Above-mentioned 1 part of complex carbon material powder
6 parts of Sn
6 parts of V
0.1 part of Cu
0.2 part of Mn;
Corresponding powder is selected by the above-mentioned proportioning respectively constituted, mixes in proportion and obtains mixed powder.
The carbon doping composite brazing material powder is placed in brazing equipment, when vacuum is not less than 5 × 10-3Pa
When, 300 DEG C are warming up to 10 DEG C/min speed, 15min is incubated, 700 DEG C, insulation are warming up to 5 DEG C/min speed
20min, then 950 DEG C of brazing temperature is continuously heating to 15 DEG C/min speed, 20min is incubated, room temperature is finally cooled to the furnace,
.
Embodiment two
Graphitic pretreatment, mixes sodium fluoride in Nano graphite powder, and adds metallic catalyst, mixes, in inert gas shielding
Under 650 DEG C heating, the heat time control in 15min, sodium fluoride is fixed on Nano graphite powder surface.
Carbon nano-fiber is pre-processed, and the Nano carbon fibers Wesy concentrated sulfuric acid and potassium permanganate is carried out mixing acid oxidase, through ultrasound
After being stirred vigorously, the carbon nano-fiber of carboxylated is obtained, surface conditioning agent is added, heats 15min at 200 DEG C, in nitrogen
Gas and helium it is mixed gas protected under heat 45min, the carbon nano-fiber material pre-processed at 450 DEG C.
The carbon nano-fiber of the graphite of pretreatment and pretreatment is placed in container, dissolved with 250 parts of isopropanols, with strength
Blender is blended, and then carries out ultrasonic disperse with ultrasonic wave separating apparatus again, supersonic frequency is 30kHz, and the time is 2h, forms homogeneous
Nano-sized carbon conductive fiber material solution.
Obtained nano-sized carbon conductive fiber material solution and chemical blend thing are subjected to chemical blend, the chemical blend thing
For polyvinyl chloride, the mass fraction of the chemical blend thing accounts for the 30% of original solution, compound carbon materials is prepared with method of electrostatic spinning
Material, ball mill grinding obtains complex carbon material powder.
According to following parts by weight dispensing:
73 parts of Zn
Above-mentioned 1.5 parts of complex carbon material powder
8 parts of Sn
9 parts of V
0.3 part of Cu
0.3 part of Mn;
Corresponding powder is selected by the above-mentioned proportioning respectively constituted, mixes in proportion and obtains mixed powder.
The carbon doping composite brazing material powder is placed in brazing equipment, when vacuum is not less than 5 × 10-3Pa
When, 350 DEG C are warming up to 15 DEG C/min speed, 20min is incubated, 750 DEG C, insulation are warming up to 10 DEG C/min speed
25min, then 1150 DEG C of brazing temperature is continuously heating to 20 DEG C/min speed, 30min is incubated, room is finally cooled to the furnace
Temperature, you can.
Claims (1)
1. a kind of welding method of carbon doping composite brazing material, this method comprises the following steps:
(1)Prepare complex carbon material powder
Graphitic pretreatment, mixes sodium fluoride in Nano graphite powder, and adds metallic catalyst, mixes, in inert gas shielding
Under 600-650 DEG C heating, the heat time control in 10-15min, sodium fluoride is fixed on Nano graphite powder surface;
Carbon nano-fiber is pre-processed, and the Nano carbon fibers Wesy concentrated sulfuric acid and potassium permanganate are carried out mixing acid oxidase, through ultrasonic violent
After stirring, the carbon nano-fiber of carboxylated is obtained, surface conditioning agent is added, 10-15min is heated at 150-200 DEG C,
Nitrogen and helium it is mixed gas protected under heat 30-45min, the carbon nano-fiber material pre-processed at 400-450 DEG C;
The carbon nano-fiber of the graphite of pretreatment and pretreatment is placed in container, dissolved with 150-250 parts of isopropanols, with strength
Blender is blended, and then carries out ultrasonic disperse with ultrasonic wave separating apparatus again, supersonic frequency is 25-30kHz, and the time is 1-2h, shape
Into the nano-sized carbon conductive fiber material solution of homogeneous;
Obtained nano-sized carbon conductive fiber material solution and chemical blend thing are subjected to chemical blend, the chemical blend thing is poly-
Vinyl chloride, the mass fraction of the chemical blend thing accounts for the 25-30% of original solution, and compound carbon materials are prepared with method of electrostatic spinning
Material, ball mill grinding obtains complex carbon material powder;
(2)According to following parts by weight dispensing:
66-73 parts of Zn
Above-mentioned 1-1.5 parts of complex carbon material powder
6-8 parts of Sn
6-9 parts of V
0.1-0.3 parts of Cu
0.2-0.3 parts of Mn;
Corresponding powder is selected by the above-mentioned proportioning respectively constituted, mixes in proportion and obtains mixed powder;
(3)The carbon doping composite brazing material powder is placed in brazing equipment, when vacuum is not less than 5 × 10-3During Pa,
300-350 DEG C is warming up to 10-15 DEG C/min speed, 15-20min is incubated, 700- is warming up to 5-10 DEG C/min speed
750 DEG C, 20-25min is incubated, then 950 DEG C -1150 DEG C of brazing temperature is continuously heating to 15-20 DEG C/min speed, is incubated
20-30min, finally cools to room temperature with the furnace, you can.
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CN201710375488.XA CN107127474A (en) | 2017-05-24 | 2017-05-24 | A kind of welding method of carbon doping composite brazing material |
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CN201710375488.XA CN107127474A (en) | 2017-05-24 | 2017-05-24 | A kind of welding method of carbon doping composite brazing material |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108950260A (en) * | 2018-08-07 | 2018-12-07 | 泉州市康馨化工科技有限公司 | The preparation method of Mg base hydrogen storage nano wire |
Citations (5)
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CN102554491A (en) * | 2011-12-14 | 2012-07-11 | 河南科技大学 | Zn (zinc) based high-temperature lead-free soft solder and preparation method for same |
CN103639615A (en) * | 2013-11-28 | 2014-03-19 | 青岛蓝图文化传播有限公司市南分公司 | Braze solder for air conditioner and brazing flux |
CN105177745A (en) * | 2015-08-31 | 2015-12-23 | 贵州省纤维检验局 | Novel electromagnetic shielding nanocarbon conductive fibrous material and preparation method thereof |
CN106112309A (en) * | 2016-07-27 | 2016-11-16 | 江苏科技大学 | A kind of brazing material for SiC ceramic soldering and use the technique that this material carries out soldering |
CN106392368A (en) * | 2016-11-28 | 2017-02-15 | 江苏阳明船舶装备制造技术有限公司 | High-temperature Zn-based soft solder for soldering aluminum and copper and welding method |
-
2017
- 2017-05-24 CN CN201710375488.XA patent/CN107127474A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102554491A (en) * | 2011-12-14 | 2012-07-11 | 河南科技大学 | Zn (zinc) based high-temperature lead-free soft solder and preparation method for same |
CN103639615A (en) * | 2013-11-28 | 2014-03-19 | 青岛蓝图文化传播有限公司市南分公司 | Braze solder for air conditioner and brazing flux |
CN105177745A (en) * | 2015-08-31 | 2015-12-23 | 贵州省纤维检验局 | Novel electromagnetic shielding nanocarbon conductive fibrous material and preparation method thereof |
CN106112309A (en) * | 2016-07-27 | 2016-11-16 | 江苏科技大学 | A kind of brazing material for SiC ceramic soldering and use the technique that this material carries out soldering |
CN106392368A (en) * | 2016-11-28 | 2017-02-15 | 江苏阳明船舶装备制造技术有限公司 | High-temperature Zn-based soft solder for soldering aluminum and copper and welding method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108950260A (en) * | 2018-08-07 | 2018-12-07 | 泉州市康馨化工科技有限公司 | The preparation method of Mg base hydrogen storage nano wire |
CN108950260B (en) * | 2018-08-07 | 2019-08-27 | 泉州市康馨化工科技有限公司 | The preparation method of Mg base hydrogen storage nano wire |
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Application publication date: 20170905 |
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