CN107350665A - A kind of high efficiency solder flux and preparation method thereof - Google Patents
A kind of high efficiency solder flux and preparation method thereof Download PDFInfo
- Publication number
- CN107350665A CN107350665A CN201710676161.6A CN201710676161A CN107350665A CN 107350665 A CN107350665 A CN 107350665A CN 201710676161 A CN201710676161 A CN 201710676161A CN 107350665 A CN107350665 A CN 107350665A
- Authority
- CN
- China
- Prior art keywords
- solder flux
- parts
- high efficiency
- activating agent
- welding
- Prior art date
- 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.)
- Withdrawn
Links
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
- 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
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
- B23K35/386—Selection of media, e.g. special atmospheres for surrounding the working area for condensation soldering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The present invention relates to technical field of welding materials, and in particular to a kind of high efficiency solder flux and preparation method thereof, its raw material include following components：Magnesia, quartz sand, alumdum, fluorite, marble, titanium dioxide, manganese powder, lubricant, dehydrogenation and activating agent；The solder flux of the present invention adds lubricant, can reduce the internal stress in welding process, so as to improve the flowing velocity of solder flux and degree of adhesion, can improve the decay resistance of weld seam after welding in addition, while can also improve the electric conductivity of welding material；Raw material of the present invention adds dehydrogenating agent, and the protium that can prevent to adulterate in solder flux is oxidized to form vapor, stomata is formed in weld seam, so as to influence the intensity of weld seam；Add activating agent in raw material of the present invention, the potassium ion and sodium ion in activating agent can reduce the fusing point and surface tension of solder flux, can refine and melt drop, can reduce free splashing degree of the solder flux in welding process, and activating agent can also promote electric arc to extend in addition, improve welding efficiency.
Description
Technical field
The present invention relates to technical field of welding materials, and in particular to a kind of high efficiency solder flux and preparation method thereof.
Background technology
Submerged-arc welding is that a kind of electric arc burns the method welded under welding flux layer, and it has welding quality stable, welding
Productivity ratio is high, without arc light and flue dust it is few the advantages that, become the important steel constructions such as pressure vessel, pipeline section manufacture, box beam column
Main welding method in making.In recent years, although successively there is the new welding method that many kinds are efficient, high-quality, submerged arc
The application field of weldering is not affected still.From the perspective of the deposited metal weight portion of various fusion welding methods,
Submerged-arc welding accounts for 10% or so, and change is little always for many years.The solder flux that submerged-arc welding uses is graininess welding material, is being welded
It can be melted to form slag and gas when connecing, and protection and metallurgy action are played to molten bath.But submerged-arc welding remains unchanged in use
It there are problems that a lot, the flowing velocity and degree of adhesion of solder flux are less than normal, are easily splashed in welding process, so as to cause weld seam to cover
Cover uneven；The corrosion resistance and poorly conductive of weld seam, stomata is easily formed in welding process, influence the intensity of weld seam.
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of high efficiency solder flux and preparation method thereof, first,
The flowing velocity and degree of adhesion of solder flux can be improved in welding process, the corrosion resistance and conduction of weld seam can be improved after welding
Property；Secondly, the protium of doping can be prevented to be oxidized to form vapor, stomata is formed in weld seam, so as to influence weld seam
Intensity；Finally, it can refine and melt drop, free splashing degree of the solder flux in welding process can be reduced.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：
A kind of high efficiency solder flux, its raw material is by weight：Magnesia 35-40 parts, quartz sand 15-20 parts, alumina
Powder 20-25 parts, fluorite 15-18 parts, marble 3-8 parts, titanium dioxide 7-12 parts, manganese powder 4-7 parts, lubricant 1.2-1.8 parts, dehydrogenation
Agent 1.5-2.5 parts and activating agent 2-4 parts.
Preferential, its preparation method comprises the following steps:
A, dispensing：Magnesia, quartz sand, alumdum, fluorite, marble, titanium dioxide and manganese powder are placed in same container, ground
Mill obtains blending ingredients A；
B, wet mixing：Lubricant, dehydrogenating agent and activating agent are added in blending ingredients A, wet stirring is carried out, obtains semisolid
Blending ingredients B；
C, it is granulated：By the blending ingredients B to stir in container basin rubbing granulating, and pass through screen cloth back and forth；
D, dry：The attached water of wet grain particle surface is evaporated, 40min is dried at a temperature of 140 DEG C；
E, sinter：The crystallization water in solder flux is further eliminated, the flux particle of drying is put into heating furnace and is heated to 750
DEG C, it is incubated 90min；
F, sieve：The solder flux sintered passes through 40 mesh sieves, you can obtains solder flux.
Preferential, the dehydrogenation is by K2O and Fe2O3It is 3 according to mass ratio：1 mixes.
Preferential, the activating agent is by 3mol/LNa2CO3Solution and 2mol/LK2CO3Solution is 1 according to volume ratio：2 is mixed
Conjunction forms.
Preferential, the lubricant is mixed by graphite powder and fatty glyceride.
Preferential, the screen size of screen cloth is 0.71mm in the step c.
(3) beneficial effect
1st, lubricant is added in raw material of the present invention, internal stress of the solder flux in welding process can be reduced, so as to improve weldering
The flowing velocity and degree of adhesion of agent, in addition the graphite powder in lubricant can improve the decay resistance of weld seam after welding, simultaneously
Also the electric conductivity of welding material can be improved.
2nd, raw material of the present invention adds dehydrogenating agent, and the protium that can prevent to adulterate in solder flux is oxidized to form vapor, welded
Stomata is formed in seam, so as to influence the intensity of weld seam.
3rd, activating agent is added in raw material of the present invention, the potassium ion and sodium ion in activating agent can reduce the fusing point and table of solder flux
Face tension force, it can refine and melt drop, free splashing degree of the solder flux in welding process can be reduced, in addition, activating agent can also promote electric arc
Extension, improve welding efficiency.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
Embodiment 1：
A kind of high efficiency solder flux, its raw material is by weight：35 parts of magnesia, 15 parts of quartz sand, 22 parts of alumdum,
2 parts of 16 parts of fluorite, 5 parts of marble, 7 parts of titanium dioxide, 4 parts of manganese powder, 1.4 parts of lubricant, 1.5 parts of dehydrogenating agent and activating agent.
A kind of high efficiency solder flux, its preparation method comprise the following steps:
A, dispensing：Magnesia, quartz sand, alumdum, fluorite, marble, titanium dioxide and manganese powder are placed in same container, ground
Mill obtains blending ingredients A；
B, wet mixing：Lubricant, dehydrogenating agent and activating agent are added in blending ingredients A, wet stirring is carried out, obtains semisolid
Blending ingredients B；
C, it is granulated：By the blending ingredients B to stir in container basin rubbing granulating, and pass through screen cloth back and forth；
D, dry：The attached water of wet grain particle surface is evaporated, 40min is dried at a temperature of 140 DEG C；
E, sinter：The crystallization water in solder flux is further eliminated, the flux particle of drying is put into heating furnace and is heated to 750
DEG C, it is incubated 90min；
F, sieve：The solder flux sintered passes through 40 mesh sieves, you can obtains solder flux.
Embodiment 2：
A kind of high efficiency solder flux, its raw material is by weight：37 parts of magnesia, 17 parts of quartz sand, 20 parts of alumdum,
2.5 parts of 15 parts of fluorite, 3 parts of marble, 9 parts of titanium dioxide, 5 parts of manganese powder, 1.2 parts of lubricant, 1.9 parts of dehydrogenating agent and activating agent.
A kind of high efficiency solder flux, its preparation method comprise the following steps:
A, dispensing：Magnesia, quartz sand, alumdum, fluorite, marble, titanium dioxide and manganese powder are placed in same container, ground
Mill obtains blending ingredients A；
B, wet mixing：Lubricant, dehydrogenating agent and activating agent are added in blending ingredients A, wet stirring is carried out, obtains semisolid
Blending ingredients B；
C, it is granulated：By the blending ingredients B to stir in container basin rubbing granulating, and pass through screen cloth back and forth；
D, dry：The attached water of wet grain particle surface is evaporated, 40min is dried at a temperature of 140 DEG C；
E, sinter：The crystallization water in solder flux is further eliminated, the flux particle of drying is put into heating furnace and is heated to 750
DEG C, it is incubated 90min；
F, sieve：The solder flux sintered passes through 40 mesh sieves, you can obtains solder flux.
Embodiment 3：
A kind of high efficiency solder flux, its raw material is by weight：39 parts of magnesia, 19 parts of quartz sand, 24 parts of alumdum,
3.5 parts of 17 parts of fluorite, 8 parts of marble, 10 parts of titanium dioxide, 6 parts of manganese powder, 1.8 parts of lubricant, 2.2 parts of dehydrogenating agent and activating agent.
A kind of high efficiency solder flux, its preparation method comprise the following steps:
A, dispensing：Magnesia, quartz sand, alumdum, fluorite, marble, titanium dioxide and manganese powder are placed in same container, ground
Mill obtains blending ingredients A；
B, wet mixing：Lubricant, dehydrogenating agent and activating agent are added in blending ingredients A, wet stirring is carried out, obtains semisolid
Blending ingredients B；
C, it is granulated：By the blending ingredients B to stir in container basin rubbing granulating, and pass through screen cloth back and forth；
D, dry：The attached water of wet grain particle surface is evaporated, 40min is dried at a temperature of 140 DEG C；
E, sinter：The crystallization water in solder flux is further eliminated, the flux particle of drying is put into heating furnace and is heated to 750
DEG C, it is incubated 90min；
F, sieve：The solder flux sintered passes through 40 mesh sieves, you can obtains solder flux.
Embodiment 4：
A kind of high efficiency solder flux, its raw material is by weight：40 parts of magnesia, 20 parts of quartz sand, 24 parts of alumdum,
4 parts of 18 parts of fluorite, 7 parts of marble, 12 parts of titanium dioxide, 7 parts of manganese powder, 1.6 parts of lubricant, 2.2 parts of dehydrogenating agent and activating agent.
A kind of high efficiency solder flux, its preparation method comprise the following steps:
A, dispensing：Magnesia, quartz sand, alumdum, fluorite, marble, titanium dioxide and manganese powder are placed in same container, ground
Mill obtains blending ingredients A；
B, wet mixing：Lubricant, dehydrogenating agent and activating agent are added in blending ingredients A, wet stirring is carried out, obtains semisolid
Blending ingredients B；
C, it is granulated：By the blending ingredients B to stir in container basin rubbing granulating, and pass through screen cloth back and forth；
D, dry：The attached water of wet grain particle surface is evaporated, 40min is dried at a temperature of 140 DEG C；
E, sinter：The crystallization water in solder flux is further eliminated, the flux particle of drying is put into heating furnace and is heated to 750
DEG C, it is incubated 90min；
F, sieve：The solder flux sintered passes through 40 mesh sieves, you can obtains solder flux.
To sum up, by solder flux used for submerged arc welding and preparation method thereof as a control group, using a kind of high efficiency of the present invention
Of solder flux and preparation method thereof as experimental group, the composition of control group and the solder flux of the embodiment of the present invention 1,2,3 and 4 is made pair
Than.Under the same conditions, the achievement data such as following table of items is obtained：
| Resistivity (Ω * m) at Weld pipe mill | The porosity (%) | |
| Control group | 1.3×10-6 | 2 |
| Embodiment 1 | 8.1×10-7 | 0.09 |
| Embodiment 2 | 8.2×10-7 | 0.11 |
| Embodiment 3 | 7.8×10-7 | 0.07 |
| Embodiment 4 | 7.7×10-7 | 0.06 |
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a kind of high efficiency solder flux, it is characterised in that its raw material is by weight：Magnesia 35-40 parts, quartz sand 15-
20 parts, alumdum 20-25 parts, fluorite 15-18 parts, marble 3-8 parts, titanium dioxide 7-12 parts, manganese powder 4-7 parts, lubricant 1.2-
1.8 parts, dehydrogenation 1.5-2.5 parts and activating agent 2-4 parts.
2. a kind of high efficiency solder flux as claimed in claim 1, it is characterised in that its preparation method includes following step
Suddenly:
A, dispensing：Magnesia, quartz sand, alumdum, fluorite, marble, titanium dioxide and manganese powder are placed in same container, ground
To blending ingredients A；
B, wet mixing：Lubricant, dehydrogenating agent and activating agent are added in blending ingredients A, wet stirring is carried out, obtains the mixing of semisolid
Component B；
C, it is granulated：By the blending ingredients B to stir in container basin rubbing granulating, and pass through screen cloth back and forth；
D, dry：The attached water of wet grain particle surface is evaporated, 40min is dried at a temperature of 140 DEG C；
E, sinter：The crystallization water in solder flux is further eliminated, the flux particle of drying is put into heating furnace and is heated to 750 DEG C,
It is incubated 90min；
F, sieve：The solder flux sintered passes through 40 mesh sieves, you can obtains solder flux.
A kind of 3. high efficiency solder flux as claimed in claim 1, it is characterised in that：The dehydrogenation is by K2O and
Fe2O3It is 3 according to mass ratio：1 mixes.
A kind of 4. high efficiency solder flux as claimed in claim 1, it is characterised in that：The activating agent is by 3mol/
LNa2CO3Solution and 2mol/LK2CO3Solution is 1 according to volume ratio：2 mix.
A kind of 5. high efficiency solder flux as claimed in claim 1, it is characterised in that：The lubricant is by graphite powder and fat
Fatty acid glyceride mixes.
A kind of 6. preparation method of high efficiency solder flux as claimed in claim 2, it is characterised in that：In the step c
The screen size of screen cloth is 0.71mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676161.6A CN107350665A (en) | 2017-08-09 | 2017-08-09 | A kind of high efficiency solder flux and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676161.6A CN107350665A (en) | 2017-08-09 | 2017-08-09 | A kind of high efficiency solder flux and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107350665A true CN107350665A (en) | 2017-11-17 |
Family
ID=60286538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710676161.6A Withdrawn CN107350665A (en) | 2017-08-09 | 2017-08-09 | A kind of high efficiency solder flux and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107350665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346523A (en) * | 2022-01-11 | 2022-04-15 | 成都成维精密机械制造有限公司 | Welding flux for connecting silicon carbide ceramics and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056558A (en) * | 2013-01-22 | 2013-04-24 | 四川大西洋焊接材料股份有限公司 | Submerged-arc flux for low-temperature impact of Cr-Mo heat-resistant steel and narrow-gap submerged-arc welding and preparation method thereof |
| 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 |
| CN103737192A (en) * | 2014-01-06 | 2014-04-23 | 四川大西洋焊接材料股份有限公司 | Soldering flux for submerged arc horizontal position welding of steel containment, preparation method and welding method |
| CN104400256A (en) * | 2014-10-31 | 2015-03-11 | 天津市宏远钛铁有限公司 | Low-hygroscopicity submerged-arc welding sintered flux and preparation method thereof |
| CN104708230A (en) * | 2015-03-02 | 2015-06-17 | 武汉天高熔接股份有限公司 | Sintered flux for efficient submerged-arc welding and manufacturing technique thereof |
| CN106514045A (en) * | 2016-12-09 | 2017-03-22 | 天长市通联焊业有限公司 | Environment-friendly low-hydrogen flux-cored wire and preparation method thereof |
| CN106514055A (en) * | 2016-12-29 | 2017-03-22 | 沪东重机有限公司 | Ship steel submerged-arc horizontal welding flux and preparation method thereof |
-
2017
- 2017-08-09 CN CN201710676161.6A patent/CN107350665A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103056558A (en) * | 2013-01-22 | 2013-04-24 | 四川大西洋焊接材料股份有限公司 | Submerged-arc flux for low-temperature impact of Cr-Mo heat-resistant steel and narrow-gap submerged-arc welding and preparation method thereof |
| CN103737192A (en) * | 2014-01-06 | 2014-04-23 | 四川大西洋焊接材料股份有限公司 | Soldering flux for submerged arc horizontal position welding of steel containment, preparation method and welding method |
| CN104400256A (en) * | 2014-10-31 | 2015-03-11 | 天津市宏远钛铁有限公司 | Low-hygroscopicity submerged-arc welding sintered flux and preparation method thereof |
| CN104708230A (en) * | 2015-03-02 | 2015-06-17 | 武汉天高熔接股份有限公司 | Sintered flux for efficient submerged-arc welding and manufacturing technique thereof |
| CN106514045A (en) * | 2016-12-09 | 2017-03-22 | 天长市通联焊业有限公司 | Environment-friendly low-hydrogen flux-cored wire and preparation method thereof |
| CN106514055A (en) * | 2016-12-29 | 2017-03-22 | 沪东重机有限公司 | Ship steel submerged-arc horizontal welding flux and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346523A (en) * | 2022-01-11 | 2022-04-15 | 成都成维精密机械制造有限公司 | Welding flux for connecting silicon carbide ceramics and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018018997A1 (en) | High-efficient self-protection flux-cored wire capable of achieving good overlay forming, and manufacturing method therefor | |
| CN107081537B (en) | A kind of engineering machinery High Speed Welding metal powder-cored wire and its welding method | |
| CN107921590A (en) | Flux-cored wire for gas-shielded arc welding | |
| JPH0651239B2 (en) | Ni-based alloy powder for powder overlay | |
| CN110153595A (en) | Applying argon gas self-shield argon tungsten arc welding of stainless steel welding wire is exempted from a kind of back side | |
| US2301320A (en) | Welding electrode | |
| CN107350665A (en) | A kind of high efficiency solder flux and preparation method thereof | |
| CN109175781B (en) | A flux-cored welding wire for ship and marine engineering steel EH500 | |
| CN100460136C (en) | Filler metal particles for welding and preparation method thereof | |
| CN108838581A (en) | A kind of sintered flux for stainless steel and preparation method thereof | |
| CN116900551B (en) | Secondary-utilization light smelting flux and preparation method and application thereof | |
| CN108326464A (en) | A kind of dedicated Pb-free solder of vehicle glass | |
| CN107717258A (en) | CO 2 gas-shielded low-alloy steel flux-cored wire and its production method | |
| CN109365957B (en) | A kind of multi-layer composite powder and method for self-protected open arc surfacing welding of high chromium alloy | |
| CN109175776B (en) | Low-cost alkaline flux-cored wire for structural steel welding | |
| CN109014658B (en) | A kind of sintering flux for electroslag surfacing welding of high chromium cast iron and preparation method thereof | |
| CN108311809B (en) | Welding rod coating, welding rod with low crack sensitivity, preparation method and application thereof | |
| CN106695173B (en) | A kind of welding material for welding titanium-steel composite plate near titanium layer and preparation method thereof | |
| CN105397342A (en) | Gas shielded flux-cored wire, preparation method thereof and gas shielded welding method | |
| CN112077476B (en) | A matching flux-cored wire for fusion welding of seamless copper tubes for medical gas and vacuum | |
| CN112809244B (en) | High-toughness high-efficiency welding rod | |
| CN104907734A (en) | Coating welding wire for welding titanium-pipeline steel composite plates and preparation method | |
| CN109290699A (en) | A kind of single-sided welding and double-sided forming coating backing flux and preparation method thereof | |
| US2564474A (en) | Weld rod and coating therefor | |
| JPS592596B2 (en) | Composite wire for hardfacing welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171117 |
|
| WW01 | Invention patent application withdrawn after publication |