CN108465980A - A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof - Google Patents
A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof Download PDFInfo
- Publication number
- CN108465980A CN108465980A CN201810704715.3A CN201810704715A CN108465980A CN 108465980 A CN108465980 A CN 108465980A CN 201810704715 A CN201810704715 A CN 201810704715A CN 108465980 A CN108465980 A CN 108465980A
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- China
- Prior art keywords
- vessel
- high silicon
- fysed flux
- alkaline type
- fluorine alkaline
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3603—Halide salts
- B23K35/3605—Fluorides
-
- 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
Abstract
A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof, belongs to welding technology field；Fysed flux contains ingredient：CaF2：60~79%, SiO2：21~40%, the mass percent summation of each component is 100%；Preparation method：1) proportioning for pressing the high silicon fysed flux of fluorine alkaline type peculiar to vessel weighs each component raw material and is uniformly mixed；Glassy state semi-finished product are made in smelted product water quenching by heat preservation >=20min after melting；2) by glassy state semi-finished product, product of roasting is made in high-temperature roasting；3) product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is the high silicon fysed flux of fluorine alkaline type peculiar to vessel；The tensile strength intensity of the present invention high silicon fysed flux of fluorine alkaline type peculiar to vessel, the welding point obtained by postwelding is 621~685MPa, and (40 DEG C) of low-temperature impact work is 53~68J.
Description
Technical field
The invention belongs to welding technology field, specifically a kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof.
Background technology
Submerged arc flux is one of main consumable material of submerged-arc welding, and Resistance of Weld Metal plays machinery and protects in the welding process
Shield, Metallurgical processing and the effect for improving welding technological properties, the welding technological properties and chemical metallurgy performance of solder flux are to determine weldering
An important factor for stitching metal quality.Compared to sintered flux, fysed flux has particle, and uniformly height, deposited metal composition are equal
The even, moisture absorption is inclined to the advantages that small, welding process is stable, gas fume amount is less, high recycling rate.It is acid in fluorine alkaline type solder flux
Oxide content is less, and solder flux oxidisability is weak, and anti-stomata ability is strong, is conducive to the weld metal for obtaining high/low temperature toughness.It is full
Pressing needs of the sufficient industrialized production to the solder flux of function admirable, it is necessary to prepare a kind of function admirable, can realize weld seam gold
Belong to intensity and high low-temperature flexibility, while there is smooth welding bead, the high silicon fysed flux of fluorine alkaline type of the good removability of slag.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and its preparation sides
Method；The fysed flux of the present invention is that a kind of welding process is stable, weld metal high strength, low-temperature flexibility is high, composition of weld line and group
Knit uniformly, welding bead surface is smooth, the removability of slag can good fluorine alkaline type fysed flux, meet deck of boat steel welding technology to function admirable
Solder flux pressing needs.The solder flux can provide low oxygen-supplying amount in the case of big line energy, ensure the mechanical property of weld seam；Together
When, which has stable recovery, is convenient for the matching of welding wire and solder flux.
A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel is by mass percentage containing ingredient：CaF2：60~79%,
SiO2：21~40%, the mass percent summation of each component is 100%.
The high silicon fysed flux of fluorine alkaline type peculiar to vessel, the tensile strength intensity of the welding point obtained by postwelding is 621~
685MPa, (- 40 DEG C) of low-temperature impact work are 53~68J.
The preparation method of the high silicon fysed flux of fluorine alkaline type peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing the high silicon fysed flux of fluorine alkaline type peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, each raw material is mixed
Uniformly；
(2) by uniformly mixed raw material, smelted product is made in heat preservation >=20min after melting；Wherein, smelting temperature >=
1350℃；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 3~5h is roasted at 700~900 DEG C, and product of roasting is made；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is the high silicon fysed flux of fluorine alkaline type peculiar to vessel.
The preparation method of the high silicon fysed flux of above-mentioned fluorine alkaline type peculiar to vessel, wherein：
In the step 1, each raw material is put into mixing equipment, by stirring to obtain uniform powder.
In the step 1, melting uses graphite crucible.
In the step 2, high-temperature roasting uses Muffle furnace.
In the step 2, the carbon dust in solder flux is eliminated by high-temperature roasting.
The high silicon fysed flux of fluorine alkaline type peculiar to vessel, before welding need to be at 200~400 DEG C, drying >=2h.Drying is using baking
Dry case is dried.
A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof of the present invention, compared with prior art, beneficial to effect
Fruit：
The present invention is prepared for a kind of high silicon fysed flux of New Marine fluorine alkaline type, which has good chemical composition equal
Even property, moisture absorption is low (storage convenient), can be well matched with low-carbon and low-alloy ship steel and obtain uniform composition of weld line, good
Weld strength and low-temperature flexibility；Weld metal ingredient is uniform, and metal welding bead is smooth, and the removability of slag is good, intact through ray detection
It falls into, disclosure satisfy that the technological requirement of welding.
Specific implementation mode
Embodiment 1
A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel is by mass percentage containing ingredient：CaF2：75%, SiO2：
25%.
The preparation method of the high silicon fysed flux of fluorine alkaline type peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing the high silicon fysed flux of fluorine alkaline type peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, each raw material is put into
In mixing equipment, stir by mixing；
(2) by uniformly mixed raw material, 20min is kept the temperature after melting in graphite crucible, smelted product is made；Wherein, it melts
It is 1390 DEG C to refine temperature；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 2h is roasted at 850 DEG C using Muffle furnace, product of roasting is made, is removed by high-temperature roasting
Carbon dust in solder flux；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is the high silicon fysed flux of fluorine alkaline type peculiar to vessel.
The high silicon fysed flux of fluorine alkaline type peculiar to vessel manufactured in the present embodiment uses drying box at 200 DEG C before welding, dry
2h；Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding
Joint performance index is as follows：Tensile strength intensity is 685MPa, and (- 40 DEG C) of low-temperature impact work is 68J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Embodiment 2
A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel is by mass percentage containing ingredient：CaF2：65%, SiO2：
35%.
The preparation method of the high silicon fysed flux of fluorine alkaline type peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing the high silicon fysed flux of fluorine alkaline type peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, each raw material is put into
In mixing equipment, stir by mixing；
(2) by uniformly mixed raw material, 25min is kept the temperature after melting in graphite crucible, smelted product is made；Wherein, it melts
It is 1380 DEG C to refine temperature；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 4h is roasted at 750 DEG C using Muffle furnace, product of roasting is made, is removed by high-temperature roasting
Carbon dust in solder flux；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is the high silicon fysed flux of fluorine alkaline type peculiar to vessel.
The high silicon fysed flux of fluorine alkaline type peculiar to vessel manufactured in the present embodiment uses drying box at 200 DEG C before welding, dry
2h；Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, welds the weldering obtained by postwelding
It is as follows to connect joint performance index：Tensile strength intensity is 655MPa, and (- 40 DEG C) of low-temperature impact work is 60J, and composition of weld line is uniform,
Welding bead is smooth, and the removability of slag can be good.
Embodiment 3
A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel is by mass percentage containing ingredient：CaF2：60%, SiO2：
40%.
The preparation method of the high silicon fysed flux of fluorine alkaline type peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing the high silicon fysed flux of fluorine alkaline type peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, each raw material is put into
In mixing equipment, stir by mixing；
(2) by uniformly mixed raw material, 30min is kept the temperature after melting in graphite crucible, smelted product is made；Wherein, it melts
It is 1360 DEG C to refine temperature；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 1h is roasted at 850 DEG C using Muffle furnace, product of roasting is made, is removed by high-temperature roasting
Carbon dust in solder flux；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is the high silicon fysed flux of fluorine alkaline type peculiar to vessel.
The high silicon fysed flux of fluorine alkaline type peculiar to vessel manufactured in the present embodiment uses drying box at 200 DEG C before welding, dry
2h；Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding
Joint performance index is as follows：Tensile strength intensity is 621MPa, and (- 40 DEG C) of low-temperature impact work is 53J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Claims (4)
1. a kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel, which is characterized in that the fysed flux contains ingredient by mass percentage
For：CaF2：60~79%, SiO2：21~40%, the mass percent summation of each component is 100%.
2. a kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel according to claim 1, which is characterized in that the fysed flux,
The tensile strength intensity of welding point obtained by postwelding is 621~685MPa, and (- 40 DEG C) of low-temperature impact work is 53~68J.
3. the preparation method of the high silicon fysed flux of fluorine alkaline type peculiar to vessel as claimed in claim 1 or 2, which is characterized in that including as follows
Step：
Step 1, melting：
(1) proportioning for pressing the high silicon fysed flux of fluorine alkaline type peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, each raw material is mixed equal
It is even；
(2) by uniformly mixed raw material, smelted product is made in heat preservation >=20min after melting；Wherein, smelting temperature >=1350 DEG C；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 3~5h is roasted at 700~900 DEG C, and product of roasting is made；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is the high silicon fysed flux of fluorine alkaline type peculiar to vessel.
4. the preparation method of the high silicon fysed flux of fluorine alkaline type peculiar to vessel according to claim 3, which is characterized in that described peculiar to vessel
The high silicon fysed flux of fluorine alkaline type, before welding need to be at 200~400 DEG C, drying >=2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704715.3A CN108465980A (en) | 2018-06-30 | 2018-06-30 | A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704715.3A CN108465980A (en) | 2018-06-30 | 2018-06-30 | A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof |
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| CN108465980A true CN108465980A (en) | 2018-08-31 |
Family
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| CN201810704715.3A Pending CN108465980A (en) | 2018-06-30 | 2018-06-30 | A kind of high silicon fysed flux of fluorine alkaline type peculiar to vessel and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695788A (en) * | 2021-10-27 | 2021-11-26 | 东北大学 | Amorphous state smelting flux and preparation method and application thereof |
| CN113714684A (en) * | 2021-10-29 | 2021-11-30 | 东北大学 | Smelting flux for welding HSLA steel and preparation method thereof |
| CN117444464A (en) * | 2023-12-26 | 2024-01-26 | 东北大学 | Flux-cored wire containing smelting slag former and preparation method and application thereof |
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| CN102294555A (en) * | 2011-08-16 | 2011-12-28 | 刘茂平 | Fused flux prepared from silicon-manganese alloy slag |
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| CN102294555A (en) * | 2011-08-16 | 2011-12-28 | 刘茂平 | Fused flux prepared from silicon-manganese alloy slag |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695788A (en) * | 2021-10-27 | 2021-11-26 | 东北大学 | Amorphous state smelting flux and preparation method and application thereof |
| CN113695788B (en) * | 2021-10-27 | 2022-02-22 | 东北大学 | Amorphous state smelting flux and preparation method and application thereof |
| CN113714684A (en) * | 2021-10-29 | 2021-11-30 | 东北大学 | Smelting flux for welding HSLA steel and preparation method thereof |
| CN113714684B (en) * | 2021-10-29 | 2022-02-22 | 东北大学 | Smelting flux for welding HSLA steel and preparation method thereof |
| CN117444464A (en) * | 2023-12-26 | 2024-01-26 | 东北大学 | Flux-cored wire containing smelting slag former and preparation method and application thereof |
| CN117444464B (en) * | 2023-12-26 | 2024-03-26 | 东北大学 | Flux-cored wire containing smelting slag former and preparation method and application thereof |
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Application publication date: 20180831 |
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