CN108161279A - A kind of carbon steel A-TIG weldering activating agents and welding method - Google Patents
A kind of carbon steel A-TIG weldering activating agents and welding method Download PDFInfo
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- CN108161279A CN108161279A CN201711443277.1A CN201711443277A CN108161279A CN 108161279 A CN108161279 A CN 108161279A CN 201711443277 A CN201711443277 A CN 201711443277A CN 108161279 A CN108161279 A CN 108161279A
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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
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3602—Carbonates, basic oxides or hydroxides
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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
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to carbon steel welding technology fields, and in particular to a kind of carbon steel A TIG weldering activating agents and welding method.The invention discloses a kind of dedicated for carrying out the activating agent of A TIG welderings to carbon steel, carbon steel A TIG weldering activating agents, and including Agent Powder, the Agent Powder is by SiO that mass percent is 30%~50%2Powder, 20%~40% Cr2O3Powder, 10%~30% Al2O3Powder, 5%~10% TiO2Powder, 10%~30% MnO2Powder, 5%~10% Y2O3Powder and 2%~10% B2O3Powder constituent.Activating agent using the present invention carries out the A TIG welderings of carbon steel, can not only realize the single face welding and double face shaping to carbon steel, improve welding efficiency, and can ensure the quality of welding.
Description
Technical field
The invention belongs to carbon steel welding technology fields, and in particular to a kind of carbon steel A-TIG weldering activating agents and welding method.
Background technology
Since traditional TIG welderings, i.e. non-melt pole inert gas tungsten electrode protection weldering have welding quality height, welding process
The advantages that material of stable, suitable welding is more, highly reliable, welding metal is unlikely to deteriorate, and be widely used.However, with
Also there is certain limitation in continuous improvement to welding requirements, the welding method.For example, since the limited electric current of tungsten electrode is held
By ability, arc energy density is reduced, limits its power density, causes that its deposition efficiency is low, welding penetration is shallow and raw
It is low to produce efficiency.
In recent years, a kind of novel A-TIG welderings cause extensive concern.A-TIG welderings refer to, are coated on the surface of welding plank
One layer of very thin surfactant, can cause arc constriction, and molten bath fluidised form is made to change, so as to substantially improve welding
Fusion penetration.Welding penetration can be made to reach 2-3 times that traditional TIG is welded with this method, slope need not be opened to the plank of plate thickness 3-12mm
Mouthful, it can once weld completion, and one side welding with back formation.Production efficiency is substantially increased, reduces production cost, with prospect
It is very extensive.
Invention content
The present invention proposes a kind of carbon steel A-TIG welderings activating agent, for A-TIG of the plate thickness for 3~12mm carbon sheets
Welding.Carbon steel A-TIG welds activating agent, and including Agent Powder, which is 30%~50% by mass percent
SiO2Powder, 20%~40% Cr2O3Powder, 10%~30% Al2O3Powder, 5%~10% TiO2Powder, 10%
~30% MnO2Powder, 5%~10% Y2O3Powder and 2%~10% B2O3Powder constituent.
Preferably, which is paste or viscous liquid, is mixed by Agent Powder and organic solvent.
It is further preferred that organic solvent uses absolute ethyl alcohol.
It is further preferred that the activating agent by mass percent be 90%~95% Agent Powder and 5%~10%
Absolute ethyl alcohol mix.
Preferably, Agent Powder by mass percent be 30% SiO2Powder, 30% Cr2O3Powder, 10%
Al2O3Powder, 10% TiO2Powder, 10% MnO2Powder, 5% Y2O3Powder and 5% B2O3Powder constituent.
Preferably, Agent Powder by mass percent be 30% SiO2Powder, 30% Cr2O3Powder, 10%
Al2O3Powder, 8% TiO2Powder, 7% MnO2Powder, 10% Y2O3Powder and 5% B2O3Powder constituent.
A kind of method for carrying out carbon steel A-TIG welding using above-mentioned carbon steel A-TIG weldering activating agents, specifically includes following step
Suddenly：
Step S1, prepares activating agent；By mass percentage weigh 90%~95% Agent Powder and 5%~10%
Absolute ethyl alcohol is mixed, and obtains into the activating agent of paste or viscous liquid；
Step S2 carries out carbon-steel parts surface treatment；Grinding process is carried out to the face of weld of carbon-steel parts using mechanical means,
Until there is metallic luster；
Step S3 coats activating agent；By the activating agent even application prepared in the step S1 carbon-steel parts welding table
The coated weight in face, wherein activating agent is subject to covers metallic luster just；
Step S4, is subjected to；After the absolute ethyl alcohol evaporating completely that carbon-steel parts surface is coated in activating agent, along work
It is welded in the coated length direction of property agent.
Preferably, in the step S2, after completing carbon-steel parts surface grinding process, using absolute ethyl alcohol to carbon-steel parts
Surface starts the cleaning processing.
It is further preferred that the welding method of hand tungsten argon arc welding is used in the step S4.
It is further preferred that welding parameter is：Welding current value is 110A~130A, and welding voltage value is 10V~14V,
Speed of welding is 2~5m/h, and welding gun inclination angle is 70 °~80 °, and shield gas flow rate is 10~20L/min.
The invention has the advantages that：
1st, A-TIG welderings are carried out to carbon steel steel plate using the activating agent in the present invention, not only can once completes to weld, realized
Single-side welding double-side forming, and the weld seam for being molded good and high-tensile can be obtained, so as to improve to carbon steel steel plate
Welding efficiency and welding quality.
2nd, in the present invention by by Y in activating agent2O3The mass percent of powder is controlled between 5%~10%, simultaneously
It matches corresponding welding operation and obtains preferable welding bead fusion penetration, ensure that the final Forming Quality for obtaining weld seam and weld seam
Tensile strength.
Description of the drawings
Fig. 1 is the full face figure that weld seam is obtained in embodiment 1；
Fig. 2 is the back side photo figure that weld seam is obtained in embodiment 1；
Fig. 3 is the full face figure that weld seam is obtained in embodiment 2；
Fig. 4 is the back side photo figure that weld seam is obtained in embodiment 2；
Fig. 5 is the full face figure that weld seam is obtained in comparative example 1；
Fig. 6 is the back side photo figure that weld seam is obtained in comparative example 1；
Fig. 7 is the full face figure that weld seam is obtained in comparative example 2；
Fig. 8 is the back side photo figure that weld seam is obtained in comparative example 2；
Fig. 9 is the full face figure that weld seam is obtained in comparative example 3；
Figure 10 is the back side photo figure that weld seam is obtained in comparative example 3.
Specific embodiment
It describes in detail with reference to specific embodiment and comparative example to technical scheme of the present invention.
The carbon steel A-TIG weldering activating agents of the present invention are paste or viscous liquid, and by mass percent for 90%~
95% Agent Powder and 5%~10% absolute ethyl alcohol mix.Equally, other organic solvents can also be used, into
The modulation of row activating agent.It is preferable to employ nontoxic absolute ethyl alcohol carries out the modulation of activating agent, in this way can to avoid
Modulated process impacts the body of operating personnel due to the volatilization of organic solvent.
Wherein, Agent Powder by mass percent be 30%~50% SiO2Powder, 20%~40% Cr2O3Powder
End, 10%~30% Al2O3Powder, 5%~10% TiO2Powder, 10%~30% MnO2Powder, 5%~10%
Y2O3Powder and 2%~10% B2O3Powder constituent.
Activating agent using the present invention to thickness be 3~12mm carbon steel sheet carry out A-TIG welderings the specific steps are：
Step S1, prepares activating agent.By mass percentage weigh 90%~95% Agent Powder and 5%~10%
Absolute ethyl alcohol is mixed and the two is sufficiently stirred using glass bar, finally obtains into the work of paste or viscous liquid
Property agent.
Step S2 carries out carbon steel sheet surface treatment.Grinding process is carried out to the face of weld of carbon steel sheet using mechanical means,
Until there is metallic luster.Wherein, in the present embodiment, burnishing part is carried out to the welding position surface of carbon steel sheet using angle grinder
Reason removes the impurity and oxidation film on surface.
Step S3 coats activating agent.Using hairbrush by the activating agent even application prepared in step S1 carbon steel sheet weldering
Surface is connect, is i.e. the region of grinding process is completed in step S2.Wherein, the coated weight of activating agent can cover polishing region just
Metallic luster subject to.
Step S4, is subjected to.After the activating agent of carbon steel plate surface coating dries completely, i.e., the nothing in activating agent
After water-ethanol evaporating completely, carbon steel sheet is subjected to along the coated length direction of activating agent.
Embodiment 1
Activating agent using the present invention carries out A-TIG welderings to the Q245R carbon steel sheets that thickness is 6mm.Wherein, Agent Powder
By the SiO that mass percent is 30%2Powder, 30% Cr2O3Powder, 10% Al2O3Powder, 10% TiO2Powder,
10% MnO2Powder, 5% Y2O3Powder and 5% B2O3Powder constituent.Using WSM-315D type total digital DC pulse argons
Arc-welding machine is subjected to, and main welding parameters are：Welding current value be 110A~130A, welding voltage value for 10V~
14V, speed of welding are 2~5m/h, and welding gun inclination angle is 70 °~80 °, and protective gas uses argon gas, and gas flow is 10~20L/
min。
Weld seam full face figure as shown in Figure 1 and back of weld photo figure as shown in Figure 2 are finally obtained, and to complete
Carbon steel sheet into welding carries out mechanics pull test, obtains the result of the test shown in table 1.
Table 1
Embodiment 2
Method same as Example 1 is used to carry out A-TIG welderings for the Q245R carbon steel sheets of 6mm to thickness, difference only exists
In, Agent Powder by SiO that mass percent is 30%2Powder, 30% Cr2O3Powder, 10% Al2O3Powder, 8%
TiO2Powder, 7% MnO2Powder, 10% Y2O3Powder and 5% B2O3Powder constituent.
Weld seam full face figure as shown in Figure 3 and back of weld photo figure as shown in Figure 4 are finally obtained, and to complete
Carbon steel sheet into welding carries out mechanics pull test, obtains the result of the test shown in table 2.
Table 2
Comparative example 1
Method same as Example 1 is used to carry out A-TIG welderings for the Q245R carbon steel sheets of 6mm to thickness, difference only exists
In, Agent Powder by SiO that mass percent is 30%2Powder, 30% Cr2O3Powder, 10% Al2O3Powder, 13%
TiO2Powder, 12% MnO2Powder and 5% B2O3Powder constituent.Finally obtain weld seam full face figure as shown in Figure 5
With back of weld photo figure as shown in Figure 6.
Comparative example 2
Method same as Example 1 is used to carry out A-TIG welderings for the Q245R carbon steel sheets of 6mm to thickness, difference only exists
In, Agent Powder by SiO that mass percent is 30%2Powder, 30% Cr2O3Powder, 10% Al2O3Powder, 10%
TiO2Powder, 12% MnO2Powder, 3% Y2O3Powder and 5% B2O3Powder constituent.It is final to obtain as shown in Figure 7
Weld seam full face figure and back of weld photo figure as shown in Figure 8.
Comparative example 3
Method same as Example 1 is used to carry out A-TIG welderings for the Q245R carbon steel sheets of 6mm to thickness, difference only exists
In, Agent Powder by SiO that mass percent is 30%2Powder, 30% Cr2O3Powder, 10% Al2O3Powder, 6%
TiO2Powder, 6% MnO2Powder, 13% Y2O3Powder and 5% B2O3Powder constituent.Finally obtain weldering as shown in Figure 9
Stitch full face figure and back of weld photo figure as shown in Figure 10.
With reference to shown in Fig. 1 to Fig. 4, comparative example 1 and embodiment 2 are it is found that activating agent using the present invention and by Y2O3
The mass percent of powder is controlled between 5%~10%, not only can disposably be completed the welding to carbon steel steel plate and be reached
To one side welding with back formation effect.Meanwhile the front and back for obtaining weld seam is the weld seam of continuous uniform, and in the back of the body of weld seam
Face forms the reinforcement of high uniformity, and excellent welded seam is molded so as to obtain.With reference to Tables 1 and 2 it is found that in embodiment 1
Very high tensile strength is respectively provided with the weld seam obtained in embodiment 2, tensile strength all reaches more than 450Rm/MPa, and surpasses
Go out the tensile strength of base material itself, realize the welding effect of high quality.
With reference to shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 6, comparative example 1 and comparative example 3 are it is found that by the Y in activating agent2O3Powder
After removal, the positive sinking effect that weld seam is obtained in comparative example 3 weakens, and intermittent phenomenon occurs in the back side of weld seam,
Even regional area is there are the weld defect of incomplete fusion, i.e., there is no the connections really realized to 6mm carbon steel sheets in comparative example 1
Through welding.Therefore, compared with comparative example 1, in embodiment 1 and embodiment 2 by adding Y2O3Powder can be promoted to carbon steel
Plate carries out the welding bead fusion penetration effect of A-TIG welderings, ensures molding and the welding quality of weld seam.
With reference to shown in Fig. 1 to Fig. 4 and Fig. 7 to Figure 10, comparative example 1, embodiment 2, comparative example 2 and comparative example 3 it is found that
By controlling Y in carbon steel activating agent2O3The mass percent of powder, i.e., by Y2O3The mass percent control of powder 5%~
Between 10%, it is ensured that the fusion penetration effect of welding bead in the continuity and welding process of welding obtains the weld seam of forming.When
Y2O3When the mass percent of powder is less than 5%, although the front welding effect of weld seam keeps good, obtain continuous uniform
Weld seam, but but there are some hair wastes phenomenons and has stomata generation in the back side of weld seam, i.e., in entire welding process not
Ensure the through welding of whole positions, the fusion penetration effect of welding bead declines, and the fusion effect of weld seam is caused to decline；Work as Y2O3The quality of powder
When percentage is higher than 10%, the front welding effect of similary weld seam keeps good, obtains continuous uniform weld seam, but weld seam
The back side leachy appearance, there are weld defects.
Claims (10)
1. a kind of carbon steel A-TIG welds activating agent, which is characterized in that including Agent Powder, the Agent Powder is by quality percentage
Than the SiO for 30%~50%2Powder, 20%~40% Cr2O3Powder, 10%~30% Al2O3Powder, 5%~10%
TiO2Powder, 10%~30% MnO2Powder, 5%~10% Y2O3Powder and 2%~10% B2O3Powder constituent.
2. carbon steel A-TIG according to claim 1 welds activating agent, which is characterized in that the activating agent is paste or thick
Liquid is mixed by Agent Powder and organic solvent.
3. carbon steel A-TIG according to claim 2 welds activating agent, which is characterized in that organic solvent uses absolute ethyl alcohol.
4. carbon steel A-TIG according to claim 3 welds activating agent, which is characterized in that the activating agent is by mass percent
90%~95% Agent Powder and 5%~10% absolute ethyl alcohol mix.
5. the carbon steel A-TIG weldering activating agents according to any one in claim 1-4, which is characterized in that Agent Powder
By the SiO that mass percent is 30%2Powder, 30% Cr2O3Powder, 10% Al2O3Powder, 10% TiO2Powder,
10% MnO2Powder, 5% Y2O3Powder and 5% B2O3Powder constituent.
6. the carbon steel A-TIG weldering activating agents according to any one in claim 1-4, which is characterized in that Agent Powder
By the SiO that mass percent is 30%2Powder, 30% Cr2O3Powder, 10% Al2O3Powder, 8% TiO2Powder, 7%
MnO2Powder, 10% Y2O3Powder and 5% B2O3Powder constituent.
7. carbon steel A-TIG described in any one welds the carbon steel A-TIG welding sides that activating agent carries out in a kind of 1-6 using claim
Method, which is characterized in that specifically include following steps：
Step S1, prepares activating agent；Weigh by mass percentage 90%~95% Agent Powder and 5%~10% it is anhydrous
Ethyl alcohol is mixed, and obtains into the activating agent of paste or viscous liquid；
Step S2 carries out carbon-steel parts surface treatment；Grinding process is carried out to the face of weld of carbon-steel parts using mechanical means, until
There is metallic luster；
Step S3 coats activating agent；By the activating agent even application prepared in the step S1 carbon-steel parts face of weld,
The coated weight of middle activating agent is subject to covers metallic luster just；
Step S4, is subjected to；After the absolute ethyl alcohol evaporating completely that carbon-steel parts surface is coated in activating agent, along activating agent
Coated length direction welded.
8. carbon steel A-TIG welding methods according to claim 7, which is characterized in that in the step S2, complete carbon steel
After the grinding process of part surface, the surface of carbon-steel parts is started the cleaning processing using absolute ethyl alcohol.
9. carbon steel A-TIG welding methods according to claim 7, which is characterized in that using by hand in the step S4
The welding method of argon tungsten-arc welding.
10. carbon steel A-TIG welding methods according to claim 9, which is characterized in that welding parameter is：Welding current value
For 110A~130A, welding voltage value is 10V~14V, and speed of welding is 2~5m/h, and welding gun inclination angle is 70 °~80 °, protects gas
Body flow is 10~20L/min.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109175787A (en) * | 2018-10-19 | 2019-01-11 | 昆山华恒焊接股份有限公司 | A kind of carbon steel argon tungsten-arc welding activating agent and its application |
| CN109570710A (en) * | 2018-12-11 | 2019-04-05 | 南京工程学院 | A kind of activating agent and application method for mild steel high speed MAG weldering |
| CN113927201A (en) * | 2020-07-14 | 2022-01-14 | 中国核工业二三建设有限公司 | Formula and using method of activator for Q245R carbon steel A-TIG welding |
| CN113927202A (en) * | 2020-07-14 | 2022-01-14 | 中国核工业二三建设有限公司 | Formula and use method of activator for 316 stainless steel A-TIG welding |
| CN114393285A (en) * | 2021-12-30 | 2022-04-26 | 河南三建美辰建筑科技有限公司 | Welding method for increasing welding penetration |
| CN114932333A (en) * | 2022-06-07 | 2022-08-23 | 广东瑞迅精密机械有限公司 | Welding process of closed pressure-bearing container |
| CN118287890A (en) * | 2024-05-10 | 2024-07-05 | 张家界航空工业职业技术学院 | 2205-Based duplex stainless steel A-TIG welding active agent |
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| CN109175787A (en) * | 2018-10-19 | 2019-01-11 | 昆山华恒焊接股份有限公司 | A kind of carbon steel argon tungsten-arc welding activating agent and its application |
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| CN113927202A (en) * | 2020-07-14 | 2022-01-14 | 中国核工业二三建设有限公司 | Formula and use method of activator for 316 stainless steel A-TIG welding |
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| CN114932333A (en) * | 2022-06-07 | 2022-08-23 | 广东瑞迅精密机械有限公司 | Welding process of closed pressure-bearing container |
| CN114932333B (en) * | 2022-06-07 | 2024-02-23 | 广东瑞迅精密机械有限公司 | Welding process of closed pressure-bearing container |
| CN118287890A (en) * | 2024-05-10 | 2024-07-05 | 张家界航空工业职业技术学院 | 2205-Based duplex stainless steel A-TIG welding active agent |
| CN118287890B (en) * | 2024-05-10 | 2024-10-15 | 张家界航空工业职业技术学院 | 2205-Based duplex stainless steel A-TIG welding active agent |
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