CN109202331A - A kind of medicine core silver solder with excellent fluidity - Google Patents
A kind of medicine core silver solder with excellent fluidity Download PDFInfo
- Publication number
- CN109202331A CN109202331A CN201811294243.5A CN201811294243A CN109202331A CN 109202331 A CN109202331 A CN 109202331A CN 201811294243 A CN201811294243 A CN 201811294243A CN 109202331 A CN109202331 A CN 109202331A
- Authority
- CN
- China
- Prior art keywords
- silver solder
- brazing flux
- medicine core
- flux powder
- potassium
- 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- Withdrawn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
- B23K35/3606—Borates or B-oxides
-
- 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
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0227—Rods, wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- 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
-
- 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
- B23K35/406—Filled tubular wire or rods
Abstract
A kind of medicine core silver solder with excellent fluidity, belongs to technical field of soldering materials.The present invention includes the silver solder band of brazing flux powder and cladding brazing flux powder, and silver solder band is BAg30CuZnSn, the quality proportioning of brazing flux powder each component are as follows: hexafluoro potassium borate K3BF630%-35%, potassium fluoride 2%-5%, boric acid 20%-25%, boron oxide 30%-32%, sodium carbonate 2%-6%, potassium silicate 0.5%-1.5%, surplus are potassium tetrafluoroborate KBF4.Tan Suan Na ︰ potassium silicate=4 ︰ 1, brazing flux powder quality account for the 15%-30% of gross mass.In the present invention, brazing flux powder is by reducing fluoride, add sodium carbonate, potassium silicate, potassium tetrafluoroborate and hexafluoro potassium borate, improve the moisture absorption of brazing flux powder, improve the mobility of brazing flux powder, play the role of lubricating brazing flux powder in medicine core silver solder drawing process, to realize the smooth tube reducing of medicine core silver solder.
Description
Technical field
The invention belongs to technical field of soldering materials, are specifically related to a kind of medicine core silver solder with excellent fluidity.
Background technique
Silver-base solder is because having suitable fusing point, preferable electrical and thermal conductivity, good wetting seam-filling ability and solderer
The advantages that skill performance, is widely used in being brazed mild steel, stainless steel, high temperature alloy, copper and copper alloy, kovar alloy and infusibility conjunction
Gold is related to the every field such as household electrical appliance, building materials, aerospace.
In brazing process, usually silver-base solder cooperation brazing flux uses the wetting and spreading performance and brazed seam to improve solder
Mechanical property.Wherein, brazing flux is usually in paste and powdered, and whether which kind of form, all has brazing flux amount in use
Can not be precisely controlled, put be easy to run off under disorderly and unsystematic, low temperature, be delayed can go bad, postwelding needs the problem of clearing up.It is brazed as a result,
Research worker uses for reference the preparation thinking of flux-cored wire in arc welding, and brazing flux powder is wrapped in silver solder band and is prepared into medicine core
Compound silver solder.Medicine core silver solder is used in soldering, under the premise of guaranteeing solder wetting spreading ability and brazed seam mechanical property,
Realize the positioning of brazing flux, fixed temperature, timing, it is quantitative being precisely controlled and efficiently utilizing, realize significantly section material emission reduction, simultaneously
Simplify entire brazing process operational sequence, realize on-line automatic soldering, to save energy consumption, improve soldering efficiency and
Brazing quality, and advance cleaner production process.
But existing medicine core silver solder is during the preparation process, has the following disadvantages: 1, the plasticity of silver solder band and
Intensity is lower than steel band, and longitudinal cracking is easy to appear in coiling process；2, the powder filled in medicine core silver solder be density compared with
Light brazing flux powder (density is general≤1.5g/cm3), the mobility of powder is poor, and medicine core silver solder is easy during the drawing process
Appearance blocks and fracture of wire, once fracture of wire, is difficult butt welding and connects, even if to connecting, there is also joints not to have brazing flux powder, continues
Drawing again fracture of wire the case where, this brings great difficulty to the drawing tube reducing of medicine core silver solder；3, brazing flux in medicine core silver solder
Powder bag contains fluoride, not only oxidation reaction can occur with Ag, Cu, Zn, influence the quality of soldered fitting, and can make brazing flux
The easy moisture absorption of powder, roll, it is easy to stick in drawing process hang on roller, formed finished product after, if cannot timely use, brazing flux powder
It is easy to fail, so that the welding performance of medicine core silver solder deteriorates；4, in soldering processes, the string diameter requirement of silver solder is
2.0mm~1.8mm is wanted when being used as medicine core powder according to conventional brazing flux (such as commercially available FB102, FB308 brazing flux etc.)
Want that it is that 2.0mm~1.8mm is extremely difficult that medicine core silver solder is drawn to string diameter.
Based on this, the present invention improves its mobility by adjusting the chemical component of brazing flux powder, to obtain and silver-colored pricker
The matched medicine core brazing flux powder of material strip Plastic phase, so that realizing has continuous, the efficient production of excellent fluidity medicine core silver solder.
Summary of the invention
The present invention mainly solves technical problem present in the above-mentioned prior art, provides a kind of with excellent fluidity
Medicine core silver solder, by adding micro sodium carbonate, potassium silicate and hexafluoro potassium borate K in brazing flux powder3BF6, so as to improve pricker
The anti-moisture absorption and mobility of agent powder solve the fracture of wire phenomenon of medicine core silver solder during the drawing process, realize medicine core silver
The further tube reducing of solder, extends the shelf-life of medicine core silver solder.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals: one kind having excellent flow
Property medicine core silver solder, including brazing flux powder and cladding brazing flux powder silver solder band, the silver solder band be BAg30CuZnSn
Silver solder band, the quality of the brazing flux powder account for the 15%-30% of gross mass, the quality proportioning of the brazing flux powder each component
Are as follows: hexafluoro potassium borate K3BF6For 30%-35%, potassium fluoride 2%-5%, boric acid 20%-25%, boron oxide 30%-
32%, sodium carbonate 2%-6%, potassium silicate 0.5%-1.5%, surplus are potassium tetrafluoroborate KBF4。
Preferably, the BAg30CuZnSn silver solder band by metallic silver, metallic copper, metallic zinc and metallic tin prepare and
At the quality proportioning of each component are as follows: metallic silver 29.0%-31.0%, metallic copper 35%-37%, metallic zinc are
30.0%-34.0%, metallic tin 1.5%-2.5%.
Preferably, the mass ratio of the sodium carbonate and potassium silicate is 4:1.
Preferably, the quality of the brazing flux powder accounts for the 15% of gross mass, the quality of the brazing flux powder each component is matched
Than are as follows: hexafluoro potassium borate K3BF6For 30%, potassium fluoride 5%, boric acid 20%, boron oxide 32%, sodium carbonate 2%, silicon
Sour potassium is 0.5%, surplus is potassium tetrafluoroborate KBF4。
Preferably, the quality of the brazing flux powder accounts for the 30% of gross mass, the quality of the brazing flux powder each component is matched
Than are as follows: hexafluoro potassium borate K3BF6For 35%, potassium fluoride 2%, boric acid 25%, boron oxide 30%, sodium carbonate 6%, silicon
Sour potassium is 1.5%, surplus is potassium tetrafluoroborate KBF4。
Above-mentioned medicine core silver solder the preparation method comprises the following steps:
Step (1) takes the BAg30CuZnSn silver solder band of 4mm-8mm width, 0.2mm-0.5mm thickness, is moved back
Fire processing；
Silver solder band after the completion of annealing, is rolled into the silver that length direction is in U-shape by multiple groups roller by step (2)
Solder band, and proportioned brazing flux powder is placed in proportion on the concave surface of U-shaped silver solder band；
Step (3) makes the both ends of U-shaped silver solder band gradually draw close docking by multiple groups roller roll-in U-shaped silver solder band,
Roll into the docking medicine core silver solder that gap is 0.05mm-0.1mm；
Docking medicine core silver solder is carried out wire drawing process, is drawn into the medicine core silver solder of required diameter by step (4).
The invention has the benefit that
(1), in the present invention, brazing flux powder adds micro sodium carbonate, potassium silicate and hexafluoro boron by reducing fluoride
Sour potassium K3BF6, the moisture absorption of brazing flux powder is improved, the mobility of brazing flux powder is improved, is rolled and drawing in medicine core silver solder
Play the role of lubricating brazing flux powder in the process, while silver solder band is made annealing treatment before rolling to improve its modeling
Property, the fracture of wire phenomenon in drawing process is avoided, to realize the smooth tube reducing of medicine core silver solder, improves medicine core silver solder system
Standby production efficiency.When using the brazing flux powder in the present invention as medicine core, it is 0.8mm that medicine core silver solder, which can be drawn to string diameter,.
(2), in the present invention, added micro sodium carbonate, potassium silicate and hexafluoro potassium borate K in brazing flux powder3BF6, not only
It is not chemically reacted with BAg30CuZnSn silver solder band, moreover it is possible to inhibit the oxygen of the fluoride and Ag, Cu, Zn in brazing flux powder
Change reaction.
(3), in the present invention, when the mass ratio of added sodium carbonate and potassium silicate is 4:1 in brazing flux powder, brazing flux powder
Anti-moisture absorption and mobility significantly improve, while extending the shelf-life of medicine core silver solder.The guarantor of existing medicine core silver solder
The matter phase is 3~6 months, after showing that medicine core silver solder of the invention stores 1 year by experimental study, is observed under the microscope
Without obvious failure sign, meet requirement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
In figure: 1, silver solder band；2, brazing flux powder；3, gap.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1, a kind of medicine core silver solder with excellent fluidity, including brazing flux powder and coats brazing flux powder
Silver solder band, the silver solder band are BAg30CuZnSn silver solder band, the quality of each component of BAg30CuZnSn silver solder band
Proportion meets the model requirement in GB/T10046-2018 " silver solder " about BAg30CuZnSn, the quality of the brazing flux powder
Account for the 15% of gross mass, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6It is for 30%, potassium fluoride
5%, boric acid 20%, boron oxide 32%, sodium carbonate 2%, potassium silicate 0.5%, surplus are potassium tetrafluoroborate KBF4。
The preparation process of above-mentioned medicine core silver solder are as follows:
Step (1) takes the BAg30CuZnSn silver solder band of 4mm width, 0.5mm thickness, is made annealing treatment；Step
Silver solder band after the completion of annealing, is rolled into the silver solder band that length direction is in U-shape by 3 groups of rollers, and will by (2) suddenly
Proportioned brazing flux powder is placed in proportion on the concave surface of U-shaped silver solder band；Step (3) passes through 3 groups of roller roll-in U-shaped silver prickers
Material strip makes the both ends of U-shaped silver solder band gradually draw close docking, rolls into the docking medicine core silver solder that diameter is 2.3mm；Step
(4), docking medicine core silver solder is subjected to wire drawing process, is drawn into the medicine core silver solder that diameter is 2.0mm-0.5mm.
Embodiment 2:
As shown in Figure 1, a kind of medicine core silver solder with excellent fluidity, including brazing flux powder and coats brazing flux powder
Silver solder band, the silver solder band are BAg30CuZnSn silver solder band, the quality of each component of BAg30CuZnSn silver solder band
Proportion meets the model requirement in GB/T10046-2018 " silver solder " about BAg30CuZnSn, the quality of the brazing flux powder
Account for the 30% of gross mass, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6It is for 35%, potassium fluoride
2%, boric acid 25%, boron oxide 30%, sodium carbonate 6%, potassium silicate 1.5%, surplus are potassium tetrafluoroborate KBF4。
The preparation process of above-mentioned medicine core silver solder are as follows:
Step (1) takes the BAg30CuZnSn silver solder band of 8mm width, 0.2mm thickness, is made annealing treatment；Step
Silver solder band after the completion of annealing, is rolled into the silver solder band that length direction is in U-shape by 3 groups of rollers, and will by (2) suddenly
Proportioned brazing flux powder is placed in proportion on the concave surface of U-shaped silver solder band；Step (3) passes through 3 groups of roller roll-in U-shaped silver prickers
Material strip makes the both ends of U-shaped silver solder band gradually draw close docking, rolls into the docking medicine core silver solder that diameter is 2.3mm；Step
(4), docking medicine core silver solder is subjected to wire drawing process, is drawn into the medicine core silver solder that diameter is 2.0mm-0.5mm.
Embodiment 3:
As shown in Figure 1, a kind of medicine core silver solder with excellent fluidity, including brazing flux powder and coats brazing flux powder
Silver solder band, the silver solder band are BAg30CuZnSn silver solder band, the quality of each component of BAg30CuZnSn silver solder band
Proportion meets the model requirement in GB/T10046-2018 " silver solder " about BAg30CuZnSn, the quality of the brazing flux powder
Account for the 23% of gross mass, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6It is for 33%, potassium fluoride
3.5%, boric acid 22%, boron oxide 31%, sodium carbonate 4%, potassium silicate 1%, surplus are potassium tetrafluoroborate KBF4。
The preparation process of above-mentioned medicine core silver solder are as follows:
Step (1) takes the BAg30CuZnSn silver solder band of 6mm width, 3.5mm thickness, is made annealing treatment；Step
Silver solder band after the completion of annealing, is rolled into the silver solder band that length direction is in U-shape by 3 groups of rollers, and will by (2) suddenly
Proportioned brazing flux powder is placed in proportion on the concave surface of U-shaped silver solder band；Step (3) passes through 3 groups of roller roll-in U-shaped silver prickers
Material strip makes the both ends of U-shaped silver solder band gradually draw close docking, rolls into the docking medicine core silver solder that diameter is 2.3mm；Step
(4), docking medicine core silver solder is subjected to wire drawing process, is drawn into the medicine core silver solder that diameter is 2.0mm-0.5mm.
Embodiment 4:
As shown in Figure 1, a kind of medicine core silver solder with excellent fluidity, including brazing flux powder and coats brazing flux powder
Silver solder band, the silver solder band are BAg30CuZnSn silver solder band, the quality of each component of BAg30CuZnSn silver solder band
Proportion meets the model requirement in GB/T10046-2018 " silver solder " about BAg30CuZnSn, the quality of the brazing flux powder
Account for the 27% of gross mass, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6It is for 31%, potassium fluoride
3%, boric acid 24%, boron oxide 30.5%, sodium carbonate 2.4%, potassium silicate 0.6%, surplus are potassium tetrafluoroborate
KBF4。
The preparation process of above-mentioned medicine core silver solder are as follows:
Step (1) takes the BAg30CuZnSn silver solder band of 7mm width, 2.5mm thickness, is made annealing treatment；Step
Silver solder band after the completion of annealing, is rolled into the silver solder band that length direction is in U-shape by 3 groups of rollers, and will by (2) suddenly
Proportioned brazing flux powder is placed in proportion on the concave surface of U-shaped silver solder band；Step (3) passes through 3 groups of roller roll-in U-shaped silver prickers
Material strip makes the both ends of U-shaped silver solder band gradually draw close docking, rolls into the docking medicine core silver solder that diameter is 2.3mm；Step
(4), docking medicine core silver solder is subjected to wire drawing process, is drawn into the medicine core silver solder that diameter is 2.0mm-0.5mm.
Embodiment 5:
As shown in Figure 1, a kind of medicine core silver solder with excellent fluidity, including brazing flux powder and coats brazing flux powder
Silver solder band, the silver solder band are BAg30CuZnSn silver solder band, the quality of each component of BAg30CuZnSn silver solder band
Proportion meets the model requirement in GB/T10046-2018 " silver solder " about BAg30CuZnSn, the quality of the brazing flux powder
Account for the 19% of gross mass, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6It is for 34%, potassium fluoride
3.5%, boric acid 24.5%, boron oxide 31.5%, sodium carbonate 4.8%, potassium silicate 1.2%, surplus are tetrafluoro boric acid
Potassium KBF4。
The preparation process of above-mentioned medicine core silver solder are as follows:
Step (1) takes the BAg30CuZnSn silver solder band of 5mm width, 3.5mm thickness, is made annealing treatment；Step
Silver solder band after the completion of annealing, is rolled into the silver solder band that length direction is in U-shape by 3 groups of rollers, and will by (2) suddenly
Proportioned brazing flux powder is placed in proportion on the concave surface of U-shaped silver solder band；Step (3) passes through 3 groups of roller roll-in U-shaped silver prickers
Material strip makes the both ends of U-shaped silver solder band gradually draw close docking, rolls into the docking medicine core silver solder that diameter is 2.3mm；Step
(4), docking medicine core silver solder is subjected to wire drawing process, is drawn into the medicine core silver solder that diameter is 2.0mm-0.5mm.
Medicine core silver solder obtained by embodiment 1- embodiment 5 is subjected to soldering Journal of Sex Research, wherein medicine core silver solder it is straight
Diameter is 2.0mm, brazing mode using oxygen-propane flame soldering, soldering base material using red copper-brass, brass-Q235 carbon steel,
304 stainless steels-nickel-base alloy.
By medicine core silver solder obtained by embodiment 1 according in GB/T10046-2018 " silver solder " 7.1 packing instructions,
It stores 6 months and 12 months respectively, then carries out soldering Journal of Sex Research, wherein the diameter of medicine core silver solder is 2.0mm, soldering side
Formula uses red copper-brass, brass-Q235 carbon steel, 304 stainless steels-Ni-based conjunction using oxygen-propane flame soldering, soldering base material
Gold.
Table 1 is the brazing property comparison of medicine core silver solder obtained by each embodiment:
As can be known from Table 1, brazing flux powder of the invention not only has excellent mobility, also has fabulous anti-moisture absorption
Property, after medicine core silver solder stores half a year, 1 year, brazing property is not changed significantly.
Finally it is pointed out that above embodiments are only the more representational examples of the present invention.It is clear that the invention is not restricted to
Above-described embodiment, acceptable there are many deformations.Any letter to the above embodiments according to the technical essence of the invention
Single modification, equivalent variations and modification, are considered as belonging to the scope of protection of the present invention.
Claims (6)
1. a kind of medicine core silver solder with excellent fluidity, the silver solder band including brazing flux powder and cladding brazing flux powder,
It is characterized in that the silver solder band is BAg30CuZnSn silver solder band, the quality of the brazing flux powder accounts for the 15%- of gross mass
30%, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6For 30%-35%, potassium fluoride 2%-
5%, boric acid 20%-25%, boron oxide 30%-32%, sodium carbonate 2%-6%, potassium silicate 0.5%-1.5%, it is remaining
Amount is potassium tetrafluoroborate KBF4。
2. a kind of medicine core silver solder with excellent fluidity according to claim 1, it is characterised in that described
BAg30CuZnSn silver solder band is formulated by metallic silver, metallic copper, metallic zinc and metallic tin, the quality proportioning of each component
Are as follows: metallic silver 29.0%-31.0%, metallic copper 35%-37%, metallic zinc 30.0%-34.0%, metallic tin are
1.5%-2.5%.
3. a kind of medicine core silver solder with excellent fluidity according to claim 1, it is characterised in that the sodium carbonate and
The mass ratio of potassium silicate is 4:1.
4. a kind of medicine core silver solder with excellent fluidity according to claim 1, it is characterised in that the brazing flux powder
Quality account for the 15% of gross mass, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6For 30%, fluorination
Potassium is 5%, boric acid 20%, boron oxide 32%, sodium carbonate 2%, potassium silicate 0.5%, surplus are potassium tetrafluoroborate
KBF4。
5. a kind of medicine core silver solder with excellent fluidity according to claim 1, it is characterised in that the brazing flux powder
Quality account for the 30% of gross mass, the quality proportioning of the brazing flux powder each component are as follows: hexafluoro potassium borate K3BF6For 35%, fluorination
Potassium is 2%, boric acid 25%, boron oxide 30%, sodium carbonate 6%, potassium silicate 1.5%, surplus are potassium tetrafluoroborate
KBF4。
6. a kind of medicine core silver solder with excellent fluidity according to claim 1, it is characterised in that the medicine core silver pricker
Material the preparation method comprises the following steps:
Step (1) takes the BAg30CuZnSn silver solder band of 4mm-8mm width, 0.2mm-0.5mm thickness, is carried out at annealing
Reason；
Silver solder band after the completion of annealing, is rolled into the silver solder that length direction is in U-shape by multiple groups roller by step (2)
Band, and proportioned brazing flux powder is placed in proportion on the concave surface of U-shaped silver solder band；
Step (3) is made the both ends of U-shaped silver solder band gradually draw close docking, is rolled by multiple groups roller roll-in U-shaped silver solder band
The docking medicine core silver solder for being 0.05mm-0.1mm at gap；
Docking medicine core silver solder is carried out wire drawing process, is drawn into the medicine core silver solder of required diameter by step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294243.5A CN109202331A (en) | 2018-11-01 | 2018-11-01 | A kind of medicine core silver solder with excellent fluidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294243.5A CN109202331A (en) | 2018-11-01 | 2018-11-01 | A kind of medicine core silver solder with excellent fluidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109202331A true CN109202331A (en) | 2019-01-15 |
Family
ID=64998308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811294243.5A Withdrawn CN109202331A (en) | 2018-11-01 | 2018-11-01 | A kind of medicine core silver solder with excellent fluidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109202331A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936065A (en) * | 2019-12-17 | 2020-03-31 | 浙江永旺焊材制造有限公司 | Novel flux-cored silver solder |
| CN110936064A (en) * | 2019-12-17 | 2020-03-31 | 中机智能装备创新研究院(宁波)有限公司 | Flux-cored silver brazing filler metal |
| CN112059474A (en) * | 2020-09-07 | 2020-12-11 | 郑州机械研究所有限公司 | Flux-cored brazing filler metal, preparation method thereof and device for preparing flux-cored brazing filler metal |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6133791A (en) * | 1984-07-24 | 1986-02-17 | Hitachi Ltd | Flux for brazing |
| CN103978318A (en) * | 2014-04-25 | 2014-08-13 | 浙江新锐焊接材料有限公司 | Round sandwich self-fluxing brazing filler metal and preparation method thereof |
| CN104227268A (en) * | 2014-09-28 | 2014-12-24 | 杭州华光焊接新材料股份有限公司 | Preparation method of fluxed core welding ring |
| CN104384744A (en) * | 2014-09-28 | 2015-03-04 | 杭州华光焊接新材料股份有限公司 | Preparation method for flux-cored electrode |
| CN104741835A (en) * | 2015-04-17 | 2015-07-01 | 郑州机械研究所 | Seamless silver flux-cored wire |
| CN104759785A (en) * | 2015-04-17 | 2015-07-08 | 郑州机械研究所 | Seamed flux-cored silver welding wire and preparation method thereof |
| CN104907727A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Flux-cored silver solder and preparation method thereof |
| CN104907723A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Flux-cored silver brazing filler metal with toughening alloy |
| CN104907724A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Reed-type environment-friendly coated silver brazing filler metal ring |
| CN104907722A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Brass flux-cored brazing filler metal with reducing agents and flow aids and preparation method thereof |
| CN105127618A (en) * | 2015-09-08 | 2015-12-09 | 龙飞 | High-strength and high-toughness composite silver solder ring for in-situ synthesis of soldering flux |
-
2018
- 2018-11-01 CN CN201811294243.5A patent/CN109202331A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6133791A (en) * | 1984-07-24 | 1986-02-17 | Hitachi Ltd | Flux for brazing |
| CN103978318A (en) * | 2014-04-25 | 2014-08-13 | 浙江新锐焊接材料有限公司 | Round sandwich self-fluxing brazing filler metal and preparation method thereof |
| CN104227268A (en) * | 2014-09-28 | 2014-12-24 | 杭州华光焊接新材料股份有限公司 | Preparation method of fluxed core welding ring |
| CN104384744A (en) * | 2014-09-28 | 2015-03-04 | 杭州华光焊接新材料股份有限公司 | Preparation method for flux-cored electrode |
| CN104741835A (en) * | 2015-04-17 | 2015-07-01 | 郑州机械研究所 | Seamless silver flux-cored wire |
| CN104759785A (en) * | 2015-04-17 | 2015-07-08 | 郑州机械研究所 | Seamed flux-cored silver welding wire and preparation method thereof |
| CN104907727A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Flux-cored silver solder and preparation method thereof |
| CN104907723A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Flux-cored silver brazing filler metal with toughening alloy |
| CN104907724A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Reed-type environment-friendly coated silver brazing filler metal ring |
| CN104907722A (en) * | 2015-05-25 | 2015-09-16 | 郑州机械研究所 | Brass flux-cored brazing filler metal with reducing agents and flow aids and preparation method thereof |
| CN105127618A (en) * | 2015-09-08 | 2015-12-09 | 龙飞 | High-strength and high-toughness composite silver solder ring for in-situ synthesis of soldering flux |
Non-Patent Citations (3)
| Title |
|---|
| 朱艳: "《钎焊 第2版》", 31 March 2018, 哈尔滨：哈尔滨工业大学出版社 * |
| 王星星: "《中温银铜锌钎料的研制与应用基础》", 30 June 2018, 北京：地质出版社 * |
| 郭春生: "《机械制造工艺材料技术手册 上》", 31 December 1992, 北京：机械工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936065A (en) * | 2019-12-17 | 2020-03-31 | 浙江永旺焊材制造有限公司 | Novel flux-cored silver solder |
| CN110936064A (en) * | 2019-12-17 | 2020-03-31 | 中机智能装备创新研究院(宁波)有限公司 | Flux-cored silver brazing filler metal |
| CN112059474A (en) * | 2020-09-07 | 2020-12-11 | 郑州机械研究所有限公司 | Flux-cored brazing filler metal, preparation method thereof and device for preparing flux-cored brazing filler metal |
| WO2021228286A3 (en) * | 2020-09-07 | 2022-01-06 | 郑州机械研究所有限公司 | Flux-cored brazing filler material and preparation method therefor, and apparatus for preparing flux-cored brazing filler material |
| JP2022536147A (en) * | 2020-09-07 | 2022-08-12 | 鄭州机械研究所有限公司 | Flux-containing brazing filler metal, manufacturing method and manufacturing apparatus thereof |
| JP7299354B2 (en) | 2020-09-07 | 2023-06-27 | 鄭州机械研究所有限公司 | Method and apparatus for manufacturing flux-containing brazing filler metal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109202331A (en) | A kind of medicine core silver solder with excellent fluidity | |
| CN105127618B (en) | A kind of high tough composite silver solder ring of fabricated in situ solder flux | |
| CN109093288A (en) | The medicine core silver solder of easy processing | |
| CN104907727B (en) | Medicine core silver solder and preparation method thereof | |
| CN104384744A (en) | Preparation method for flux-cored electrode | |
| CN104708232B (en) | Composite brazing flux suitable for copper and aluminum dissimilar metal brazing | |
| CN104759781B (en) | One kind is for silver-bearing copper phosphor tin flux coated brazingrod ring and preparation method thereof | |
| CN104972242B (en) | Self soldering flux-cored wire for aluminum/steel melt-soldering | |
| CN100558499C (en) | A kind of manufacture method of cadmium-free silver brazing alloy | |
| WO2019119281A1 (en) | Solder outer skin and preparation method thereof, in-situ synthesized metallic coated flux-cored silver solder and preparation method thereof, soldering method and connector | |
| CN102814601B (en) | Soldering flux for brazing diamond cemented carbide sand and preparation method for soldering flux | |
| CN104227268A (en) | Preparation method of fluxed core welding ring | |
| CN104907722A (en) | Brass flux-cored brazing filler metal with reducing agents and flow aids and preparation method thereof | |
| CN104759785A (en) | Seamed flux-cored silver welding wire and preparation method thereof | |
| CN110936064A (en) | Flux-cored silver brazing filler metal | |
| CN104907723A (en) | Flux-cored silver brazing filler metal with toughening alloy | |
| CN108326475A (en) | A kind of preparation method of coating silver solder ring | |
| CN104384758A (en) | Brass strip core flux-cored welding ring and preparation method thereof | |
| CN105081599A (en) | Flux-cored brazing rod with protective film and preparation method thereof | |
| CN104384757B (en) | The preparation method of pyrite medicated core weld-ring | |
| CN106181122A (en) | A kind of seamless submerged arc flux-cored wire for yield strength 550MPa steel | |
| CN112475590B (en) | Copper-coated steel heat release welding flux and preparation method and application thereof | |
| CN205996404U (en) | A kind of strip solder of moistening guide | |
| CN208099656U (en) | A kind of included brazing flux type solder ring | |
| CN110936065A (en) | Novel flux-cored silver solder |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190115 |