CN104128716B - Containing the sintered flux of nano plastic particle - Google Patents
Containing the sintered flux of nano plastic particle Download PDFInfo
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- CN104128716B CN104128716B CN201410378020.2A CN201410378020A CN104128716B CN 104128716 B CN104128716 B CN 104128716B CN 201410378020 A CN201410378020 A CN 201410378020A CN 104128716 B CN104128716 B CN 104128716B
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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
- 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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- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of sintered flux containing nano plastic particle, composed of the following components by mass percentage: nano plastic particle 5% ~ 10%; CaF
227% ~ 30%; MgO10% ~ 15%; CaO5% ~ 10%; Al
2o
323% ~ 28%; TiO
213% ~ 18%; AlMnFe2% ~ 5%; ZrO
23% ~ 5%; Surplus is SiO
2, the mass percent summation of above each component is 100%; Described binding agent accounts for 15% ~ 20% of the mass percent of dry powder.Invention enhances impact flexibility and the adhesion of weld seam, effectively can improve the toughness of weld seam, improve its impact absorbing energy, extend its service life.
Description
Technical field
The invention belongs to materials processing technology field, particularly relate to a kind of sintered flux containing nano plastic particle.
Background technology
The matrix of nano plastic is high molecular polymer, by the abundant dispersion of nano particle in plastic resin, effectively improves the performance such as heat-resisting, weather-proof, wear-resisting of plastics.Nano plastic can make common plastics have rigidity as ceramic material and heat resistance, remains again toughness, resistance to impact and workability that plastics itself possess simultaneously.
The scientist of Western Sweden university prepares a kind of aeroengine surface heat-barrier material, and the high-temperature duration of engine can be risen to original 3 times by it.This coating is made up of ceramic nanoparticles and nano plastic particle, is heated to 7000 DEG C ~ 8000 DEG C and ceramic nanoparticles is melted, carry out plasma afterwards and smear.Wherein, ceramic nanoparticles can completely cut off to fall the heat propagation of engine, and nano plastic particle is then for engine provides elasticity, and this coating just can carry out certain contraction and expansion according to environmental condition at that time like this.Scientist represents, this brand-new coating structure not only becomes more flexible, and then protection engine metal level does not produce and breaks, and can also improve its adhesive force in irregularity plane.
At present, lack a kind of strengthen weld seam impact flexibility, adhesion the sintered flux containing nano plastic particle.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind ofly has the sintered flux containing nano plastic particle strengthening the impact flexibility of weld seam, adhesion.
To achieve these goals, the present invention is achieved through the following technical solutions: a kind of sintered flux containing nano plastic particle, and cured by dry powder and binding agent and form, described dry powder is composed of the following components by mass percentage:
Surplus is SiO
2; The mass percent summation of each component is 100% above;
Described binding agent accounts for 15% ~ 20% of the mass percent of dry powder.
Further, described SiO
2mass percent not higher than 8%, described binding agent is potassium-sodium water glass, and the potassium sodium ratio in described potassium-sodium water glass is 3: 1.
Further, described nano plastic particle is ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
Further, described nano-calcium carbonate is spherical, and described spherical diameter is 20 ~ 30nm, and nano-calcium carbonate is modified through silane coupler and fatty acid surface,
Described ultra-high molecular weight polyethylene molecular weight is 1000000 ~ 2000000, and the mass ratio of ultra-high molecular weight polyethylene and nano-calcium carbonate is 16:1 ~ 24:1.
The method of the sintered flux containing nano plastic particle of the present invention, comprises the steps:
(1) 5% ~ 10% nano plastic particle is taken respectively according to mass percent, the CaF of 27% ~ 30%
2, the MgO of 10% ~ 15%, the CaO of 5% ~ 10%, the Al of 23% ~ 28%
2o
3, the TiO of 13% ~ 18%
2, the AlMnFe of 2% ~ 5%, the ZrO of 3% ~ 5%
2, surplus is SiO
2;
(2) said components taken is placed in same container to carry out mixing and obtaining dry powder; After mixing, according to dry powder mass percent 15% ~ 20% take binding agent, binding agent is added in container, carries out wetly stirring in semisolid;
(3) rubbing granulating back and forth in a reservoir, and by 10 ~ 15 object sieves, under room temperature ventilation condition, place 3 ~ 4h afterwards dry;
(4) put into drying unit after drying to dry with the temperature of 200 DEG C, put into sintering furnace after oven dry and be heated to temperature and be 650 DEG C ~ 750 DEG C and sinter, sintering time is 3 ~ 5h, is cooled to room temperature; Then by 10 ~ 30 object sieve, the sintered flux containing nano plastic particle is just made.
Further, in step (4), the device carrying out drying is drying oven; In step (1), described in take device be balance.
Further, in step (4), described sintering time is 4 hours; Being heated to temperature in described sintering furnace is 700 DEG C.
The method of nano plastic particle of the present invention, comprises the steps:
(1) take the nano-calcium carbonate of 14% ~ 17% respectively according to mass percent, the silane coupler of 2% ~ 4%, the stearic acid of 3% ~ 5%, the sodium carbonate of 0.01% ~ 0.02%, surplus is absolute ethyl alcohol;
(2) sodium carbonate, nano-calcium carbonate are added in absolute ethyl alcohol, be mixed with certain density nano-calcium carbonate alkalescence slurries, sonic oscillation 15min ~ 20min, be heated to 80 DEG C ~ 100 DEG C afterwards, add silane coupler and carry out mechanical agitation, add stearic acid after 20min ~ 25min, stop after 50min ~ 70min stirring;
(3) filter, wash 3 ~ 5 times, vacuum drying, grinds, sieves obtained modified nano calcium carbonate;
(4) nano-calcium carbonate of ultra-high molecular weight polyethylene, surface modification process, polyoxyethylene carboxylate solubilizer and atoleine dispersant are slowly joined in banbury carry out melting mixing, melting temperature 150 DEG C ~ 200 DEG C, rotating speed is 70r/min ~ 100r/min, and the time is 20min ~ 40min; Mixing complete after, feeding, granulation, prepare ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
Further, in step (2), described stir speed (S.S.) is 250r/min ~ 350r/min.
Further, in step (4), the rotating speed of described banbury is 90r/min.
Beneficial effect: the impact flexibility and the adhesion that invention enhances weld seam, effectively can improve the toughness of weld seam, improve its impact absorbing energy, increase the adhesion between weld seam and mother metal simultaneously, improve its section shearing rate, thus improve the ability of weldment Chinese People's Anti-Japanese Military and Political College distortion, extend its service life.Mate with anaerobic fine copper welding wire and use, carry out the welding of the flat board double-Y shaped groove of docking two-sided multi-wire submerged-arc, welding technological properties is excellent, and gained weld seam section shearing rate, low-temperature impact absorb and can be significantly improved compared to the weld seam not adding nano plastic particle.
Accompanying drawing explanation
For ease of illustrating, the present invention is described in detail by following specific embodiment and accompanying drawing;
Fig. 1 is schematic diagram of the present invention, wherein: the face of weld in 1, and the 2 outer faces of weld.
Detailed description of the invention
Embodiment 1
A kind of sintered flux containing nano plastic particle of the present invention, cured by dry powder and binding agent and form, described dry powder is composed of the following components by mass percentage:
Surplus is SiO
2; The mass percent summation of each component is 100% above;
Described binding agent accounts for 20% of the mass percent of dry powder.
Described SiO
2mass percent not higher than 8%, described binding agent is potassium-sodium water glass, and the potassium sodium ratio in described potassium-sodium water glass is 3: 1.
Described nano plastic particle is ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
Described nano-calcium carbonate is spherical, and described spherical diameter is 20nm, and nano-calcium carbonate is modified through silane coupler and fatty acid surface,
Described ultra-high molecular weight polyethylene molecular weight is 1000000 ~ 2000000, and the mass ratio of ultra-high molecular weight polyethylene and nano-calcium carbonate is 16:1 ~ 24:1.
The method of nano plastic particle of the present invention, comprises the steps:
(1) take the nano-calcium carbonate of 14% respectively according to mass percent, the silane coupler of 2%, the stearic acid of 3%, the sodium carbonate of 0.01%, surplus is absolute ethyl alcohol;
(2) sodium carbonate, nano-calcium carbonate are added in absolute ethyl alcohol, be mixed with certain density nano-calcium carbonate alkalescence slurries, sonic oscillation 15min, be heated to 80 DEG C afterwards, add silane coupler and carry out mechanical agitation, stir speed (S.S.) is add stearic acid after 250r/min, 20min, stops stirring after 50min;
(3) filter, wash 3 times, vacuum drying, grinds, sieves obtained modified nano calcium carbonate;
(4) nano-calcium carbonate of ultra-high molecular weight polyethylene, surface modification process, polyoxyethylene carboxylate solubilizer and atoleine dispersant are slowly joined in banbury carry out melting mixing, melting temperature 150 DEG C, rotating speed is 70r/min, and the time is 20min; Mixing complete after, feeding, granulation, prepare ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
The method of the sintered flux containing nano plastic particle of the present invention, comprises the steps:
(1) weigh in the balance respectively according to mass percent and get 5% nano plastic particle, the CaF of 27%
2, the MgO of 10%, the CaO of 10%, the Al of 28%
2o
3, the TiO of 13%
2, the AlMnFe of 2%, the ZrO of 3%
2, surplus is SiO
2; The mass percent summation of each component is 100% above.
(2) said components taken is placed in same container to carry out mixing and obtaining dry powder; After mixing, according to dry powder mass percent 20% add potassium-sodium water glass as binding agent, the potassium sodium of potassium-sodium water glass, than being 3:1, carrying out wet stirring and becomes semisolid,
(3) rubbing granulating back and forth in a reservoir, and by 10 object sieves, under room temperature ventilation condition, place 4h afterwards and dry;
(4) put into drying oven after drying to dry with the temperature of 200 DEG C, put into sintering furnace after oven dry and be heated to temperature and be 650 DEG C and sinter, sintering time is 3h, is cooled to room temperature; Then by 10 object sieve, the sintered flux containing nano plastic particle is just made.
The flux material of embodiment 1 mates with anaerobic fine copper welding wire, and the X80 level pipe line steel of welding high thickness to diameter ratio, diameter is 813mm, and thickness is 25mm.The groove type of submerged-arc welding and groove size are as shown in Figure 1.
Adopt two-sided multi-wire submerged arc welding machine to weld, front is soldered rear reverse side cleaning welding, and concrete welding condition is as shown in table 1 below:
Table 1
Welding joint mechanical property is as shown in table 2:
Table 2
As shown in Table 2, the section shearing rate mean value of composition of the present invention and impact absorbing energy KV
2mean value is than the sintered flux being obviously better than prior art.
Embodiment 2
A kind of sintered flux containing nano plastic particle of the present invention, cured by dry powder and binding agent and form, described dry powder is composed of the following components by mass percentage:
Surplus is SiO
2; The mass percent summation of each component is 100% above;
Described binding agent accounts for 20% of the mass percent of dry powder.
Described SiO
2mass percent not higher than 8%, described binding agent is potassium-sodium water glass, and the potassium sodium ratio in described potassium-sodium water glass is 3: 1.
Described nano plastic particle is ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
Described nano-calcium carbonate is spherical, and described spherical diameter is 25nm, and nano-calcium carbonate is modified through silane coupler and fatty acid surface,
Described ultra-high molecular weight polyethylene molecular weight is 1000000 ~ 2000000, and the mass ratio of ultra-high molecular weight polyethylene and nano-calcium carbonate is 16:1 ~ 24:1.
The method of nano plastic particle of the present invention, comprises the steps:
(1) take the nano-calcium carbonate of 16% respectively according to mass percent, the silane coupler of 3%, the stearic acid of 4%, the sodium carbonate of 0.015%, surplus is absolute ethyl alcohol;
(2) sodium carbonate, nano-calcium carbonate are added in absolute ethyl alcohol, be mixed with certain density nano-calcium carbonate alkalescence slurries, sonic oscillation 18min, be heated to 90 DEG C afterwards, add silane coupler and carry out mechanical agitation, stir speed (S.S.) is add stearic acid after 300r/min, 22min, stops stirring after 60min;
(3) filter, wash 4 times, vacuum drying, grinds, sieves obtained modified nano calcium carbonate;
(4) nano-calcium carbonate of ultra-high molecular weight polyethylene, surface modification process, polyoxyethylene carboxylate solubilizer and atoleine dispersant are slowly joined in banbury carry out melting mixing, melting temperature 180 DEG C, rotating speed is 90r/min, and the time is 30min; Mixing complete after, feeding, granulation, prepare ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
The method of the sintered flux containing nano plastic particle of the present invention, comprises the steps:
(1) weigh in the balance respectively according to mass percent and get 8% nano plastic particle, the CaF of 28%
2, the MgO of 12%, the CaO of 8%, the Al of 26%
2o
3, the TiO of 16%
2, the AlMnFe of 3%, the ZrO of 4%
2, surplus is SiO
2; The mass percent summation of each component is 100% above.
(2) said components taken is placed in same container to carry out mixing and obtaining dry powder; After mixing, according to dry powder mass percent 18% add potassium-sodium water glass as binding agent, the potassium sodium of potassium-sodium water glass, than being 3:1, carrying out wet stirring and becomes semisolid,
(3) rubbing granulating back and forth in a reservoir, and by 10 object sieves, under room temperature ventilation condition, place 4h afterwards and dry;
(4) put into drying oven after drying to dry with the temperature of 200 DEG C, put into sintering furnace after oven dry and be heated to temperature and be 650 DEG C and sinter, sintering time is 3h, is cooled to room temperature; Then by 10 object sieve, the sintered flux containing nano plastic particle is just made.
Embodiment 2 flux material mates with anaerobic fine copper welding wire, and the X80 level pipe line steel of welding high thickness to diameter ratio, diameter is 813mm, and thickness is 25mm.The groove type of submerged-arc welding and groove size are as shown in Figure 1.
Adopt two-sided multi-wire submerged arc welding machine to weld, front is soldered rear reverse side cleaning welding, and concrete welding condition is as shown in table 3 below:
Table 3
Welding joint mechanical property is as shown in table 4:
Table 4
As shown in Table 4, the section shearing rate mean value of composition of the present invention and impact absorbing energy KV
2mean value is than the sintered flux being obviously better than prior art.
Embodiment 3
As shown in Figure 1, a kind of sintered flux containing nano plastic particle, cured by dry powder and binding agent and form, described dry powder is composed of the following components by mass percentage:
Surplus is SiO
2; The mass percent summation of each component is 100% above;
Described binding agent accounts for 20% of the mass percent of dry powder.
Described SiO
2mass percent not higher than 8%, described binding agent is potassium-sodium water glass, and the potassium sodium ratio in described potassium-sodium water glass is 3: 1.
Described nano plastic particle is ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
Described nano-calcium carbonate is spherical, and described spherical diameter is 25nm, and nano-calcium carbonate is modified through silane coupler and fatty acid surface,
Described ultra-high molecular weight polyethylene molecular weight is 1000000 ~ 2000000, and the mass ratio of ultra-high molecular weight polyethylene and nano-calcium carbonate is 16:1 ~ 24:1.
The method of nano plastic particle of the present invention, comprises the steps:
(1) take the nano-calcium carbonate of 17% respectively according to mass percent, the silane coupler of 4%, the stearic acid of 5%, the sodium carbonate of 0.02%, surplus is absolute ethyl alcohol;
(2) sodium carbonate, nano-calcium carbonate are added in absolute ethyl alcohol, be mixed with certain density nano-calcium carbonate alkalescence slurries, sonic oscillation 20min, be heated to 100 DEG C afterwards, add silane coupler and carry out mechanical agitation, stir speed (S.S.) is add stearic acid after 350r/min, 25min, stops stirring after 70min;
(3) filter, wash 4 times, vacuum drying, grinds, sieves obtained modified nano calcium carbonate;
(4) nano-calcium carbonate of ultra-high molecular weight polyethylene, surface modification process, polyoxyethylene carboxylate solubilizer and atoleine dispersant are slowly joined in banbury carry out melting mixing, melting temperature 200 DEG C, rotating speed is 100r/min, and the time is 40min; Mixing complete after, feeding, granulation, prepare ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
The method of the sintered flux containing nano plastic particle of the present invention, comprises the steps:
(1) weigh in the balance respectively according to mass percent and get 10% nano plastic particle, the CaF of 30%
2, the MgO of 15%, the CaO of 5%, the Al of 23%
2o
3, the TiO of 18%
2, the AlMnFe of 5%, the ZrO of 5%
2, surplus is SiO
2; The mass percent summation of each component is 100% above.
(2) said components taken is placed in same container to carry out mixing and obtaining dry powder; After mixing, according to dry powder mass percent 15% add potassium-sodium water glass as binding agent, the potassium sodium of potassium-sodium water glass, than being 3:1, carrying out wet stirring and becomes semisolid,
(3) rubbing granulating back and forth in a reservoir, and by 10 object sieves, under room temperature ventilation condition, place 4h afterwards and dry;
(4) put into drying oven after drying to dry with the temperature of 200 DEG C, put into sintering furnace after oven dry and be heated to temperature and be 750 DEG C and sinter, sintering time is 5h, is cooled to room temperature; Then by 30 object sieve, the sintered flux containing nano plastic particle is just made.
Embodiment 3 flux material mates with anaerobic fine copper welding wire, and the X80 level pipe line steel of welding high thickness to diameter ratio, diameter is 813mm, and thickness is 25mm.The groove type of submerged-arc welding and groove size are as shown in Figure 1.
Adopt two-sided multi-wire submerged arc welding machine to weld, front is soldered rear reverse side cleaning welding, and concrete welding condition is as shown in table 5:
Table 5
Welding joint mechanical property is as shown in table 6:
Table 6
As shown in Table 6, the section shearing rate mean value of composition of the present invention and impact absorbing energy KV
2mean value is than the sintered flux being obviously better than prior art.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and application claims protection domain is defined by appending claims, description and equivalent thereof.
Claims (9)
1., containing a sintered flux for nano plastic particle, cured by dry powder and binding agent and form, it is characterized in that: described dry powder is composed of the following components by mass percentage:
Surplus is SiO
2; The mass percent summation of each component is 100% above;
Described binding agent accounts for 15% ~ 20% of the mass percent of dry powder; Described nano plastic particle is ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
2. the sintered flux containing nano plastic particle according to claim 1, is characterized in that: described SiO
2mass percent not higher than 8%, described binding agent is potassium-sodium water glass, and the potassium sodium ratio in described potassium-sodium water glass is 3: 1.
3. the sintered flux containing nano plastic particle according to claim 1, it is characterized in that: described nano-calcium carbonate is spherical, described spherical diameter is 20 ~ 30nm, nano-calcium carbonate is modified through silane coupler and fatty acid surface, described ultra-high molecular weight polyethylene molecular weight is 1000000 ~ 2000000, and the mass ratio of ultra-high molecular weight polyethylene and nano-calcium carbonate is 16:1 ~ 24:1.
4. prepare the method for the sintered flux containing nano plastic particle described in any one of claim 1-3, it is characterized in that comprising the steps:
(1) 5% ~ 10% nano plastic particle is taken respectively according to mass percent, the CaF of 27% ~ 30%
2, the MgO of 10% ~ 15%, the CaO of 5% ~ 10%, the Al of 23% ~ 28%
2o
3, the TiO of 13% ~ 18%
2, the AlMnFe of 2% ~ 5%, the ZrO of 3% ~ 5%
2, surplus is SiO
2;
(2) said components taken is placed in same container to carry out mixing and obtaining dry powder; After mixing, according to dry powder mass percent 15% ~ 20% take binding agent, binding agent is added in container, carries out wetly stirring in semisolid;
(3) rubbing granulating back and forth in a reservoir, and by 10 ~ 15 object sieves, under room temperature ventilation condition, place 3 ~ 4h afterwards dry;
(4) put into drying unit after drying to dry with the temperature of 200 DEG C, put into sintering furnace after oven dry and be heated to temperature and be 650 DEG C ~ 750 DEG C and sinter, sintering time is 3 ~ 5h, is cooled to room temperature; Then by 10 ~ 30 object sieve, the sintered flux containing nano plastic particle is just made.
5. the method for the sintered flux containing nano plastic particle according to claim 4, it is characterized in that: in step (4), the device carrying out drying is drying oven; In step (1), described in take device be balance.
6. the method for the sintered flux containing nano plastic particle according to claim 5, it is characterized in that: in step (4), described sintering time is 4 hours; Being heated to temperature in described sintering furnace is 700 DEG C.
7. prepare the method for the nano plastic particle in the sintered flux described in any one of claim 1-6, it is characterized in that comprising the steps:
(1) take the nano-calcium carbonate of 14% ~ 17% respectively according to mass percent, the silane coupler of 2% ~ 4%, the stearic acid of 3% ~ 5%, the sodium carbonate of 0.01% ~ 0.02%, surplus is absolute ethyl alcohol;
(2) sodium carbonate, nano-calcium carbonate are added in absolute ethyl alcohol, be mixed with certain density nano-calcium carbonate alkalescence slurries, sonic oscillation 15min ~ 20min, be heated to 80 DEG C ~ 100 DEG C afterwards, add silane coupler and carry out mechanical agitation, add stearic acid after 20min ~ 25min, stop after 50min ~ 70min stirring;
(3) filter, wash 3 ~ 5 times, vacuum drying, grinds, sieves obtained modified nano calcium carbonate;
(4) nano-calcium carbonate of ultra-high molecular weight polyethylene, surface modification process, polyoxyethylene carboxylate solubilizer and atoleine dispersant are slowly joined in banbury carry out melting mixing, melting temperature 150 DEG C ~ 200 DEG C, rotating speed is 70r/min ~ 100r/min, and the time is 20min ~ 40min; Mixing complete after, feeding, granulation, prepare ultra-high molecular weight polyethylene/nano calcium carbonate composite material.
8. the preparation method of nano plastic particle according to claim 7, is characterized in that: in step (2), and described stir speed (S.S.) is 250r/min ~ 350r/min.
9. the preparation method of nano plastic particle according to claim 8, is characterized in that: in step (4), and the rotating speed of described banbury is 90r/min.
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| CN106825993B (en) * | 2017-03-03 | 2019-06-07 | 四川大西洋焊接材料股份有限公司 | For tensile strength 900~1000MPa high-strength steel submerged arc flux and preparation method thereof |
| CN111390430B (en) * | 2020-03-20 | 2021-06-29 | 青岛正爱科技有限公司 | Preparation method and application of ultra-high molecular weight polyethylene welding wire |
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| JPS60124492A (en) * | 1983-12-07 | 1985-07-03 | Kobe Steel Ltd | Flux for welding |
| KR20030016731A (en) * | 2001-08-21 | 2003-03-03 | 고려용접봉 주식회사 | Sintered flux for submerged arc welding |
| CN101314200A (en) * | 2008-05-08 | 2008-12-03 | 宝鸡市宇生焊接材料有限公司 | High-strength high-ductility fluorine alkalescent sintered flux |
| CN102672369A (en) * | 2012-04-12 | 2012-09-19 | 西安理工大学 | High-toughness sintered flux for high-welding-speed submerged arc welding of X100-grade pipeline steel |
| CN103273222A (en) * | 2013-01-07 | 2013-09-04 | 中国船舶重工集团公司第七二五研究所 | High-strength high-tenacity sintered flux for afterheat-free welding |
| CN103447715A (en) * | 2013-08-14 | 2013-12-18 | 中国船舶重工集团公司第七二五研究所 | Sintered flux for use in submerged-arc welding of nickel-based alloy and preparation method |
-
2014
- 2014-08-01 CN CN201410378020.2A patent/CN104128716B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124492A (en) * | 1983-12-07 | 1985-07-03 | Kobe Steel Ltd | Flux for welding |
| KR20030016731A (en) * | 2001-08-21 | 2003-03-03 | 고려용접봉 주식회사 | Sintered flux for submerged arc welding |
| CN101314200A (en) * | 2008-05-08 | 2008-12-03 | 宝鸡市宇生焊接材料有限公司 | High-strength high-ductility fluorine alkalescent sintered flux |
| CN102672369A (en) * | 2012-04-12 | 2012-09-19 | 西安理工大学 | High-toughness sintered flux for high-welding-speed submerged arc welding of X100-grade pipeline steel |
| CN103273222A (en) * | 2013-01-07 | 2013-09-04 | 中国船舶重工集团公司第七二五研究所 | High-strength high-tenacity sintered flux for afterheat-free welding |
| CN103447715A (en) * | 2013-08-14 | 2013-12-18 | 中国船舶重工集团公司第七二五研究所 | Sintered flux for use in submerged-arc welding of nickel-based alloy and preparation method |
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| CN104128716A (en) | 2014-11-05 |
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