CN109014657A - A kind of High Speed Welding sintered flux and preparation method thereof - Google Patents
A kind of High Speed Welding sintered flux and preparation method thereof Download PDFInfo
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- CN109014657A CN109014657A CN201811070326.6A CN201811070326A CN109014657A CN 109014657 A CN109014657 A CN 109014657A CN 201811070326 A CN201811070326 A CN 201811070326A CN 109014657 A CN109014657 A CN 109014657A
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- Prior art keywords
- high speed
- sintered flux
- welding
- preparation
- speed welding
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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
- B23K35/36—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
-
- 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
-
- 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
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention belongs to technical field of welding materials more particularly to a kind of High Speed Welding sintered flux and preparation method thereof, are prepared by the dry powder and water glass of binder of various ingredients, the dry powder is made of the raw material of following percentage: SiO215‑18%、CaO 7‑13%、ZrO 20‑30%、MnO 5‑10%、CaF25‑10%、Al2O310-15%, MgO 5-10%, alloyed powder 1-5%, sintered flux produced by the present invention have adjusted the viscosity, surface tension and mobility of slag well, when solder flux welding, welding process is stable, fume amount is few, splashing is small, the removability of slag can be excellent.
Description
Technical field
The invention belongs to technical field of welding materials more particularly to a kind of High Speed Welding sintered flux and preparation method thereof.
Background technique
It is higher and higher to the requirement of material with the development of modern industry, in order to meet the use item of various harshness
Part, the research and development of various new materials have obtained great attention, and corresponding welding material has also obtained corresponding hair
Exhibition, the product structure and kind of welding material have changed a lot, and new and effective welding material has significant progress simultaneously
It is widely used;Sintered flux refers to a kind of high-quality, efficient, energy-saving and environmental protection type solder flux, refers to prepared wet feed
Solder flux is processed into required particle, calcines under 750~1000 DEG C of high temperature, forms tiny particle and welds to get to sintering
Agent, the solder flux is smokeless, tasteless in welding, without arc, without splashing, manufacture process non-environmental-pollution, low energy consumption, raw material benefit
With abundant, meet national industry development policies, but existing sintered flux speed of welding is generally relatively low, has no idea to meet fast
The needs of fast welding engineering.
Summary of the invention
The object of the present invention is to provide a kind of High Speed Welding sintered fluxes and preparation method thereof, have speed of welding fast, green
The free of contamination advantage of color.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of High Speed Welding sintered flux is prepared by the dry powder and water glass of binder of various ingredients, the dry powder by
The raw material of following percentage forms: SiO2 15-18%、CaO 7-13%、ZrO 20-30%、MnO 5-10%、CaF2 5-10%、
Al2O310-15%, MgO 5-10%, alloyed powder 1-5%.
Further, the alloyed powder is silicomangan powder.
Further, the dosage of the waterglass is the 20-25% of the total dosage of remaining dry powder.
A kind of preparation method of High Speed Welding sintered flux, comprising the following steps:
(1) dry powder is mixed in proportion, waterglass is added and carries out wet mixing and stirs evenly;
(2) mixture stirred evenly in step (1) is granulated;
(3) it is sieved again after the raw material being granulated in step (2) being carried out drying and processing at 450-550 DEG C;
(4) by the raw material being sieving through under 700-900 DEG C of oxidizing atmosphere high temperature sintering 30-60min, be cooled in cooling furnace
35 DEG C or less screening to get.
Further, the size being granulated in the step (2) is 4-60 mesh.
Further, the size sieved in the step (3) is 16-60 mesh.
Further, the size sieved after cooling in the step (4) is 10-60 mesh.
Further, the sintered flux prepared speed of welding under conditions of guaranteeing weldquality is 3.2m/min.
A kind of application of High Speed Welding sintered flux, it is micro- to be used for pipeline, ship, pressure vessel, bridge structure and low-carbon
The monofilament of alloy high-strength steel, multifibres high speed submerged arc welding.
Present invention has the advantage that
1. flux composition provided by the invention is reasonable, cooperate suitable sintering condition, the speed of welding of solder flux is increased to 3.2m/
Min, and can guarantee the welding quality of commissure, the removability of slag can be excellent;
2. sintered flux produced by the present invention has adjusted the viscosity, surface tension and mobility of slag well, when solder flux welding,
Welding process is stable, fume amount is few, splashing is small, removability of slag energy is excellent;
3. sintered flux provided by the invention can cooperate a variety of welding wires such as H08MnA and H10Mn2 to use, when cooperation welding wire uses
Alloying element scaling loss is few, impurity element increment is low, gained layer metal has excellent corrosion resistance, and ZrO is in welding material
In have a slag making, refine molten steel crystal grain, preferable effect formed to de- slag face of weld.
Specific embodiment
Embodiment 1
A kind of High Speed Welding sintered flux is prepared by the dry powder and water glass of binder of various ingredients, the dry powder by
The raw material of following percentage forms: SiO2 15%、CaO 13%、ZrO 30%、MnO 5%、CaF2 10%、Al2O3 15%、MgO
10%, silicomangan powder 2%;The dosage of the waterglass is the 20% of the total dosage of remaining dry powder.
A kind of preparation method of High Speed Welding sintered flux, dry powder is mixed in proportion, and it is wet that waterglass progress is added
It mixes and stirs evenly;The mixture stirred evenly is granulated, the size of granulation is 4-60 mesh;The raw material being granulated is existed
It is sieved again after carrying out drying and processing at 450 DEG C, the size of screening is 16-60 mesh;The raw material being sieving through is aoxidized in 700 DEG C
High temperature sintering 30min under atmosphere, it is 10-60 mesh to get this method preparation that 35 DEG C or less screenings are cooled in cooling furnace
Sintered flux speed of welding under conditions of guaranteeing weldquality is 3.2m/min, is used for pipeline, ship, pressure vessel, bridge
The monofilament of girder construction and low-carbon microalloy high-strength steel, multifibres high speed submerged arc welding have preferable weldering in the welding of 4mm thin plate
Connect technological level.
Embodiment 2
A kind of High Speed Welding sintered flux is prepared by the dry powder and water glass of binder of various ingredients, the dry powder by
The raw material of following percentage forms: SiO2 18%、CaO 7%、ZrO 30%、MnO 10%、CaF2 15%、Al2O3 10%、MgO
5%, silicomangan powder 5%;The dosage of the waterglass is the 25% of the total dosage of remaining dry powder.
A kind of preparation method of High Speed Welding sintered flux, dry powder is mixed in proportion, and it is wet that waterglass progress is added
It mixes and stirs evenly;The mixture stirred evenly is granulated, the size of granulation is 4-60 mesh;The raw material being granulated is existed
It is sieved again after carrying out drying and processing at 550 DEG C, the size of screening is 16-60 mesh;The raw material being sieving through is aoxidized in 900 DEG C
High temperature sintering 60min under atmosphere, it is 10-60 mesh to get this method preparation that 35 DEG C or less screenings are cooled in cooling furnace
Sintered flux speed of welding under conditions of guaranteeing weldquality is 3.2m/min, is used for pipeline, ship, pressure vessel, bridge
The monofilament of girder construction and low-carbon microalloy high-strength steel, multifibres high speed submerged arc welding have preferable weldering in the welding of 4mm thin plate
Connect technological level.
Embodiment 3
A kind of High Speed Welding sintered flux is prepared by the dry powder and water glass of binder of various ingredients, the dry powder by
The raw material of following percentage forms: SiO2 18%、CaO 13%、ZrO 20%、MnO 10%、CaF2 10%、Al2O3 15%、MgO
10%, silicomangan powder 4%;The dosage of the waterglass is the 23% of the total dosage of remaining dry powder.
A kind of preparation method of High Speed Welding sintered flux, dry powder is mixed in proportion, and it is wet that waterglass progress is added
It mixes and stirs evenly;The mixture stirred evenly is granulated, the size of granulation is 4-60 mesh;The raw material being granulated is existed
It is sieved again after carrying out drying and processing at 500 DEG C, the size of screening is 16-60 mesh;The raw material being sieving through is aoxidized in 800 DEG C
High temperature sintering 40min under atmosphere, it is 10-60 mesh to get this method preparation that 35 DEG C or less screenings are cooled in cooling furnace
Sintered flux speed of welding under conditions of guaranteeing weldquality is 3.2m/min, is used for pipeline, ship, pressure vessel, bridge
The monofilament of girder construction and low-carbon microalloy high-strength steel, multifibres high speed submerged arc welding have preferable weldering in the welding of 4mm thin plate
Connect technological level.
Embodiment 4
A kind of High Speed Welding sintered flux is prepared by the dry powder and water glass of binder of various ingredients, the dry powder by
The raw material of following percentage forms: SiO2 16%、CaO 11%、ZrO 25%、MnO 9%、CaF2 5%、Al2O3 4%、MgO 9%、
Silicomangan powder 1%;The dosage of the waterglass is the 22% of the total dosage of remaining dry powder.
A kind of preparation method of High Speed Welding sintered flux, dry powder is mixed in proportion, and it is wet that waterglass progress is added
It mixes and stirs evenly;The mixture stirred evenly is granulated, the size of granulation is 4-60 mesh;The raw material being granulated is existed
It is sieved again after carrying out drying and processing at 510 DEG C, the size of screening is 16-60 mesh;The raw material being sieving through is aoxidized in 780 DEG C
High temperature sintering 30min under atmosphere, it is 10-60 mesh to get this method preparation that 35 DEG C or less screenings are cooled in cooling furnace
Sintered flux speed of welding under conditions of guaranteeing weldquality is 3.2m/min, is used for pipeline, ship, pressure vessel, bridge
The monofilament of girder construction and low-carbon microalloy high-strength steel, multifibres high speed submerged arc welding have preferable weldering in the welding of 4mm thin plate
Connect technological level.
Test example
Experimental facilities: the fixed channel quantitative test equipment of Japanese Shimadzu MX-2400 type carries out chemical composition analysis to solder flux;Lincoln
The silicon-controlled automatic submerged-arc sintered flux of DC1000 carries out processing performance test;600 type tensilons;300 type impact pendulnms.
The model and chemical composition for testing welding wire used are shown in Table 1
The welding wire trade mark | C | SI | Mn | S | P |
H08MnA | ≤0.1 | ≤0.07 | 0.8-1.1 | ≤0.03 | ≤0.03 |
H10Mn2 | ≤0.12 | ≤0.07 | 1.5-1.9 | ≤0.03 | ≤0.03 |
Solder flux and H08MnA, H10Mn2 welding wire cooperation prepared by embodiment 4 carries out soldering test, and experiment is Q345B with plate
Stainless steel, plate thickness 20mm, gage of wire 4mm.The measuring method of various measurement items is the measuring method of this field routine.
Welding condition is shown in Table 2
Electric current/A | Voltage/V | Weldering speed m/min | Stem elongation |
500-550 | 28-30 | 0.42 | 30MM |
Deposited metal mechanical property is shown in Table 3
Claims (9)
1. a kind of High Speed Welding sintered flux, it is characterised in that: its by various ingredients dry powder and water glass of binder preparation and
At the dry powder is made of the raw material of following percentage: SiO2 15-18%、CaO 7-13%、ZrO 20-30%、MnO 5-10%、
CaF2 5-10%、Al2O3 10-15%, MgO 5-10%, alloyed powder 1-5%.
2. High Speed Welding sintered flux as described in claim 1, it is characterised in that: the alloyed powder is silicomangan powder.
3. High Speed Welding sintered flux as described in claim 1, it is characterised in that: the dosage of the waterglass is remaining dry powder
The 20-25% of total dosage.
4. the preparation method of High Speed Welding sintered flux a method according to any one of claims 1-3, which is characterized in that including following step
It is rapid:
(1) dry powder is mixed in proportion, waterglass is added and carries out wet mixing and stirs evenly;
(2) mixture stirred evenly in step (1) is granulated;
(3) it is sieved again after the raw material being granulated in step (2) being carried out drying and processing at 450-550 DEG C;
(4) by the raw material being sieving through under 700-900 DEG C of oxidizing atmosphere high temperature sintering 30-60min, be cooled in cooling furnace
35 DEG C or less screening to get.
5. the preparation method of High Speed Welding sintered flux as claimed in claim 4, it is characterised in that: made in the step (2)
The size of grain is 4-60 mesh.
6. the preparation method of High Speed Welding sintered flux as claimed in claim 4, it is characterised in that: sieve in the step (3)
The size divided is 16-60 mesh.
7. the preparation method of High Speed Welding sintered flux as claimed in claim 4, it is characterised in that: cold in the step (4)
But the size sieved afterwards is 10-60 mesh.
8. the preparation method of High Speed Welding sintered flux as claimed in claim 4, it is characterised in that: its sintered flux prepared
Speed of welding is 3.2m/min under conditions of guaranteeing weldquality.
9. the application of High Speed Welding sintered flux a method according to any one of claims 1-3, it is characterised in that: it is used for pipeline, ship
Monofilament, the multifibres high speed submerged arc welding of oceangoing ship, pressure vessel, bridge structure and low-carbon microalloy high-strength steel.
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439817B2 (en) * | 1974-04-26 | 1979-11-30 | ||
JPS5994597A (en) * | 1982-11-24 | 1984-05-31 | Nippon Steel Corp | Fused flux for submerged arc welding |
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CN101585122A (en) * | 2009-06-01 | 2009-11-25 | 林肯电气合力(郑州)焊材有限公司 | Method for reducing cost of sintered flux |
CN101722377A (en) * | 2008-10-29 | 2010-06-09 | 中冶集团建筑研究总院 | High-basicity sintered flux suitable for high-hardness submerged arc welding wire |
CN101954553A (en) * | 2010-09-27 | 2011-01-26 | 中国船舶重工集团公司第七二五研究所 | 9Ni steel sintered flux and preparation method thereof |
CN102039498A (en) * | 2010-12-24 | 2011-05-04 | 中国船舶重工集团公司第七二五研究所 | Sintered flux for two phase stainless steel |
CN103962746A (en) * | 2014-05-08 | 2014-08-06 | 广东省工业技术研究院(广州有色金属研究院) | Gas shield flux-cored wire for electric arc welding |
CN104772580A (en) * | 2014-01-15 | 2015-07-15 | 日铁住金溶接工业株式会社 | Multi-electrode single-side submerged-arc welding bond flux |
JP2016140890A (en) * | 2015-02-02 | 2016-08-08 | 株式会社神戸製鋼所 | Flux for submerged arc welding |
CN106271218A (en) * | 2016-08-10 | 2017-01-04 | 中国船舶重工集团公司第七二五研究所 | A kind of sintered flux for the welding of ocean engineering high-strength steel and preparation method thereof |
-
2018
- 2018-09-13 CN CN201811070326.6A patent/CN109014657A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5439817B2 (en) * | 1974-04-26 | 1979-11-30 | ||
JPS5994597A (en) * | 1982-11-24 | 1984-05-31 | Nippon Steel Corp | Fused flux for submerged arc welding |
CN1040160A (en) * | 1988-08-12 | 1990-03-07 | 国家机械工业委员会哈尔滨焊接研究所36693 | A kind of high-basicity sintered flux |
CN101537550A (en) * | 2008-03-19 | 2009-09-23 | 上海纪好旺造船科技发展有限公司 | Submerged arc sintered flux and production method thereof |
CN101722377A (en) * | 2008-10-29 | 2010-06-09 | 中冶集团建筑研究总院 | High-basicity sintered flux suitable for high-hardness submerged arc welding wire |
CN101585122A (en) * | 2009-06-01 | 2009-11-25 | 林肯电气合力(郑州)焊材有限公司 | Method for reducing cost of sintered flux |
CN101954553A (en) * | 2010-09-27 | 2011-01-26 | 中国船舶重工集团公司第七二五研究所 | 9Ni steel sintered flux and preparation method thereof |
CN102039498A (en) * | 2010-12-24 | 2011-05-04 | 中国船舶重工集团公司第七二五研究所 | Sintered flux for two phase stainless steel |
CN104772580A (en) * | 2014-01-15 | 2015-07-15 | 日铁住金溶接工业株式会社 | Multi-electrode single-side submerged-arc welding bond flux |
CN103962746A (en) * | 2014-05-08 | 2014-08-06 | 广东省工业技术研究院(广州有色金属研究院) | Gas shield flux-cored wire for electric arc welding |
JP2016140890A (en) * | 2015-02-02 | 2016-08-08 | 株式会社神戸製鋼所 | Flux for submerged arc welding |
CN106271218A (en) * | 2016-08-10 | 2017-01-04 | 中国船舶重工集团公司第七二五研究所 | A kind of sintered flux for the welding of ocean engineering high-strength steel and preparation method thereof |
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Inventor after: Yue Xijiang Inventor after: Zhang Linjiang Inventor before: Yue Xijiang Inventor before: Zhang Hongwei Inventor before: Zhang Linjiang |
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