CN108526762A - A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel and preparation method thereof - Google Patents
A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel and preparation method thereof Download PDFInfo
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- CN108526762A CN108526762A CN201810703954.7A CN201810703954A CN108526762A CN 108526762 A CN108526762 A CN 108526762A CN 201810703954 A CN201810703954 A CN 201810703954A CN 108526762 A CN108526762 A CN 108526762A
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- Prior art keywords
- vessel
- peculiar
- fysed flux
- silicomanganese
- fluorine alkali
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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 fluorine alkali silicomanganese type fysed flux peculiar to vessel and preparation method thereof, belongs to welding technology field；Fysed flux contains ingredient：CaF2：40 59%, SiO2：30~40%, MnO：11 20%, the mass percent summation of each component is 100%；Preparation method：1) proportioning for pressing fluorine alkali silicomanganese type solder flux 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 high alkalinity silicomanganese fysed flux peculiar to vessel；The tensile strength intensity of present invention fluorine alkali silicomanganese type solder flux peculiar to vessel, the welding point obtained by postwelding is 670~710MPa, and (40 DEG C) of low-temperature impact work is 40~51J.
Description
Technical field
The invention belongs to welding technology field, specifically a kind of fluorine alkali silicomanganese type fysed flux 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 high intensity and high low-temperature flexibility, while there is smooth welding bead, the fluorine alkaline type fysed flux of the good removability of slag.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of fluorine alkali silicomanganese type fysed flux 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 fluorine alkali silicomanganese type fysed flux peculiar to vessel is by mass percentage containing ingredient：CaF2：40-59%, SiO2：
30~40%, MnO：The mass percent summation of 11-20%, each component are 100%.
The fluorine alkali silicomanganese type fysed flux peculiar to vessel, the tensile strength intensity of the welding point obtained by postwelding is 670~
710MPa, (- 40 DEG C) of low-temperature impact work are 40~51J.
The preparation method of the fluorine alkali silicomanganese type fysed flux peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine alkali silicomanganese type fysed flux peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, by each raw material
It is uniformly mixed；
(2) by uniformly mixed raw material, smelted product is made in heat preservation >=20min after melting；Wherein, smelting temperature >=
1300℃；
(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 fluorine alkali silicomanganese type fysed flux peculiar to vessel.
The preparation method of above-mentioned fluorine alkali silicomanganese type fysed flux 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 deflux is removed by high-temperature roasting.
The fluorine alkali silicomanganese type fysed flux 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 fluorine alkali silicomanganese type fysed flux 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 New Marine fluorine alkaline type fysed flux, which has good chemical composition uniform
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, through ray detection zero defect,
It disclosure satisfy that the technological requirement of welding.
Specific implementation mode
Embodiment 1
A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel is by mass percentage containing ingredient：CaF2：50%, SiO2：
33%, MnO：17%.
The preparation method of the fluorine alkali silicomanganese type fysed flux peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine alkali silicomanganese type fysed flux peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, by each raw material
It is put into mixing equipment, stirs 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 1340 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 fluorine alkali silicomanganese type fysed flux peculiar to vessel.
Fluorine alkali silicomanganese type fysed flux 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 670MPa, and (- 40 DEG C) of low-temperature impact work is 40J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Embodiment 2
A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel is by mass percentage containing ingredient：CaF2：55%, SiO2：
30%, MnO：15%.
The preparation method of the fluorine alkali silicomanganese type fysed flux peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine alkali silicomanganese type fysed flux peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, by each raw material
It is put into mixing equipment, stirs 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 1350 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, 5h 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 fluorine alkali silicomanganese type fysed flux peculiar to vessel.
Fluorine alkali silicomanganese type fysed flux 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 700MPa, and (- 40 DEG C) of low-temperature impact work is 47J, and composition of weld line is uniform,
Welding bead is smooth, and the removability of slag can be good.
Embodiment 3
A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel is by mass percentage containing ingredient：CaF2：40%, SiO2：
40%, MnO：20%.
The preparation method of the fluorine alkali silicomanganese type fysed flux peculiar to vessel of the present invention, includes the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine alkali silicomanganese type fysed flux peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, by each raw material
It is put into mixing equipment, stirs 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 1400 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 fluorine alkali silicomanganese type fysed flux peculiar to vessel.
Fluorine alkali silicomanganese type fysed flux 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 710MPa, and (- 40 DEG C) of low-temperature impact work is 51J, 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 fluorine alkali silicomanganese type fysed flux peculiar to vessel, which is characterized in that the fysed flux contains ingredient by mass percentage
For：CaF2：40-59%, SiO2：30~40%, MnO：The mass percent summation of 11-20%, each component are 100%.
2. a kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel according to claim 1, which is characterized in that the fluorine alkali silicon peculiar to vessel
The tensile strength intensity of manganese type fysed flux, the welding point obtained by postwelding is 670~710MPa, low-temperature impact work (- 40 DEG C)
For 40~51J.
3. the preparation method of fluorine alkali silicomanganese type fysed flux 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 fluorine alkali silicomanganese type fysed flux peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, 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 >=1300 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 fluorine alkali silicomanganese type fysed flux peculiar to vessel.
4. the preparation method of fluorine alkali silicomanganese type fysed flux peculiar to vessel according to claim 3, which is characterized in that described peculiar to vessel
Fluorine alkali silicomanganese type fysed flux, before welding need to be at 200~400 DEG C, drying >=2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703954.7A CN108526762A (en) | 2018-06-30 | 2018-06-30 | A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703954.7A CN108526762A (en) | 2018-06-30 | 2018-06-30 | A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108526762A true CN108526762A (en) | 2018-09-14 |
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ID=63487460
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|---|---|---|---|
| CN201810703954.7A Pending CN108526762A (en) | 2018-06-30 | 2018-06-30 | A kind of fluorine alkali silicomanganese type fysed flux peculiar to vessel and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294555A (en) * | 2011-08-16 | 2011-12-28 | 刘茂平 | Fused flux prepared from silicon-manganese alloy slag |
| CN102814602A (en) * | 2012-09-07 | 2012-12-12 | 蒋才银 | Silicon-free high-toughness corrosion-resistant fused flux and production method thereof |
| CN106041371A (en) * | 2016-07-04 | 2016-10-26 | 常州大学 | Smelting flux for submerged-arc welding and preparation method and application of smelting flux |
| CN106078003A (en) * | 2016-06-30 | 2016-11-09 | 南京南化建设有限公司 | A kind of caustic fusion solder flux used for submerged arc welding and application |
-
2018
- 2018-06-30 CN CN201810703954.7A patent/CN108526762A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294555A (en) * | 2011-08-16 | 2011-12-28 | 刘茂平 | Fused flux prepared from silicon-manganese alloy slag |
| CN102814602A (en) * | 2012-09-07 | 2012-12-12 | 蒋才银 | Silicon-free high-toughness corrosion-resistant fused flux and production method thereof |
| CN106078003A (en) * | 2016-06-30 | 2016-11-09 | 南京南化建设有限公司 | A kind of caustic fusion solder flux used for submerged arc welding and application |
| CN106041371A (en) * | 2016-07-04 | 2016-10-26 | 常州大学 | Smelting flux for submerged-arc welding and preparation method and application of smelting flux |
Non-Patent Citations (3)
| Title |
|---|
| 唐伯钢 等: "《低碳钢与低合金高强度钢焊接材料》", 31 July 1987, 机械工业出版社 * |
| 邱言龙 等: "《焊工快速上手100例》", 30 June 2015, 上海科学技术出版社 * |
| 黄石生 等: "《焊接科学基础焊接方法与过程控制基础》", 30 September 2014, 机械工业出版社 * |
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Application publication date: 20180914 |
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