CN108788527A - A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel and preparation method thereof - Google Patents
A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel and preparation method thereof Download PDFInfo
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- CN108788527A CN108788527A CN201810718556.2A CN201810718556A CN108788527A CN 108788527 A CN108788527 A CN 108788527A CN 201810718556 A CN201810718556 A CN 201810718556A CN 108788527 A CN108788527 A CN 108788527A
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- super
- vessel
- silicon type
- fysed flux
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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
- B23K35/3602—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
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel and preparation method thereof, belongs to welding technology field;Fysed flux contains ingredient:SiO2:37~42%, MnO:57~62%;Wherein, in mass ratio, 1≤MnO: SiO2≤1.5, the mass percent summation of each component is 100%;Preparation method:1) proportioning for pressing Super-high Manganese high-silicon type fysed 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 Super-high Manganese high-silicon type fysed flux peculiar to vessel;The tensile strength intensity of present invention Super-high Manganese high-silicon type fysed flux peculiar to vessel, the welding point obtained by postwelding is 688~720MPa, and (- 40 DEG C) of low-temperature impact work is 69~89J.
Description
Technical field
The invention belongs to welding technology field, specifically a kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel and its preparation side
Method.
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.Super-high Manganese high-silicon type solder flux
Middle SiO2Content is high, the effect of transition silicon in the oriented weld seam of solder flux.Silicon can improve the deoxidizing capacity of weld metal, improve weld seam
The intensity and hardness of metal.The effect of transition manganese in the oriented weld metal of the higher solder flux of MnO contents.Manganese, can be in weld seam
Deoxidizing capacity is improved, the brittleness of steel is reduced, mitigates detrimental effect of the sulphur to steel.To meet weldering of the industrialized production to function admirable
The pressing needs of agent, it is necessary to prepare a kind of function admirable, can realize weld metal high intensity and high rigidity, while there is light
Sliding welding bead, the Super-high Manganese high-silicon type fysed flux of good deoxidizing capacity.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of Super-high Manganese high-silicon 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 intensity is high, and hardness is high, and composition of weld line and tissue are equal
It is even, welding bead surface is smooth, the good fysed flux of deoxidizing capacity, meet deck of boat steel welding technology to the tight of the solder flux of function admirable
Compel demand.
A kind of Super-high Manganese high-silicon type smelting type welding flux peculiar to vessel is by mass percentage containing ingredient:SiO2:37~
42%, MnO:57~62%;Wherein, in mass ratio, 1≤MnO:SiO2≤ 1.5, the mass percent summation of each component is
100%.
The Super-high Manganese high-silicon type fysed flux peculiar to vessel, the tensile strength of the welding point obtained by postwelding is 688~
720MPa, (- 40 DEG C) of low-temperature impact work are 69~89J.
The preparation method of the Super-high Manganese high-silicon type fysed flux peculiar to vessel of the present invention, includes the following steps:
Step 1, melting:
(1) proportioning for pressing Super-high Manganese high-silicon type fysed flux peculiar to vessel, weighs each component raw material SiO2, MnO, each raw material is mixed
It closes uniform;
(2) by uniformly mixed raw material, smelted product is made in heat preservation >=20min after melting;Wherein, smelting temperature >=
1500℃;
(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 Super-high Manganese high-silicon type melting weldering peculiar to vessel
Agent.
The preparation method of above-mentioned Super-high Manganese high-silicon 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 solder flux is eliminated by high-temperature roasting.
The Super-high Manganese high-silicon type fysed flux peculiar to vessel, before welding need to be at 200~400 DEG C, drying >=2h.Drying uses
Drying box is dried.
A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel and preparation method thereof of the present invention is compared with prior art, beneficial
Effect:
The present invention is prepared for a kind of high silicon fysed flux of New Marine Super-high Manganese, 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 hardness;Weld metal ingredient is uniform, and metal welding bead is smooth, and deoxidation is good, after testing zero defect, Neng Gouman
The technological requirement welded enough.
Specific implementation mode
Embodiment 1
A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel is by mass percentage containing ingredient:MnO:60%, SiO2:
40%.
The preparation method of the Super-high Manganese high-silicon type fysed flux peculiar to vessel of the present invention, includes the following steps:
Step 1, melting:
(1) proportioning for pressing Super-high Manganese high-silicon type fysed flux peculiar to vessel, weighs each component raw material SiO2, MnO, each raw material is put
Enter in mixing equipment, stirs 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 1550 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 800 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 Super-high Manganese high-silicon type melting weldering peculiar to vessel
Agent.
Super-high Manganese high-silicon 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 is 719MPa, and (- 40 DEG C) of low-temperature impact work is 80J, and composition of weld line is uniform, welding bead light
Sliding, deoxidation is good.
Embodiment 2
A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel is by mass percentage containing ingredient:MnO:58%, SiO2:
42%.
The preparation method of the Super-high Manganese high-silicon type fysed flux peculiar to vessel of the present invention, includes the following steps:
Step 1, melting:
(1) proportioning for pressing Super-high Manganese high-silicon type fysed flux peculiar to vessel, weighs each component raw material SiO2, MnO, each raw material is put
Enter in mixing equipment, stirs 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 1560 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 800 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 Super-high Manganese high-silicon type melting weldering peculiar to vessel
Agent.
Super-high Manganese high-silicon 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 is 709MPa, and (- 40 DEG C) of low-temperature impact work is 79J, and composition of weld line is uniform, welding bead
Smooth, deoxy performance is good.
Embodiment 3
A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel is by mass percentage containing ingredient:MnO:59%, SiO2:
41%.
The preparation method of the Super-high Manganese high-silicon type fysed flux peculiar to vessel of the present invention, includes the following steps:
Step 1, melting:
(1) proportioning for pressing Super-high Manganese high-silicon type fysed flux peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、SiO2, MnO,
Each raw material is put into mixing equipment, is stirred 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 1560 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 800 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 Super-high Manganese high-silicon type melting weldering peculiar to vessel
Agent.
Super-high Manganese high-silicon 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 is 696MPa, and (- 40 DEG C) of low-temperature impact work is 72J, and composition of weld line is uniform, welding bead light
Sliding, deoxy performance is good.
Embodiment 4
A kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel is by mass percentage containing ingredient:MnO:62%, SiO2:
38%.
The preparation method of the Super-high Manganese high-silicon type fysed flux peculiar to vessel of the present invention, includes the following steps:
Step 1, melting:
(1) proportioning for pressing Super-high Manganese high-silicon type fysed flux peculiar to vessel, weighs each component raw material SiO2, MnO, each raw material is put
Enter in mixing equipment, stirs 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 1560 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 800 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 Super-high Manganese high-silicon type melting weldering peculiar to vessel
Agent.
Super-high Manganese high-silicon 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 is 712MPa, and (- 40 DEG C) of low-temperature impact work is 80J, and composition of weld line is uniform, welding bead light
Sliding, deoxy performance is good.
Claims (4)
1. a kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel, which is characterized in that the fysed flux contains ingredient by quality percentage
Than for:SiO2:37~42%, MnO:57~62%;Wherein, in mass ratio, 1≤MnO:SiO2≤1.5, the quality hundred of each component
It is 100% to divide than summation.
2. a kind of Super-high Manganese high-silicon type fysed flux peculiar to vessel according to claim 1, which is characterized in that the superelevation peculiar to vessel
The tensile strength intensity of manganese high-silicon type fysed flux, the welding point obtained by postwelding is 688~720MPa, low-temperature impact work (- 40
DEG C) it is 69~89J.
3. the preparation method of Super-high Manganese high-silicon type fysed flux peculiar to vessel as claimed in claim 1 or 2, which is characterized in that including such as
Lower step:
Step 1, melting:
(1) proportioning for pressing Super-high Manganese high-silicon type fysed flux peculiar to vessel, weighs each component raw material SiO2, MnO, 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 >=1500 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 Super-high Manganese high-silicon type fysed flux peculiar to vessel.
4. the preparation method of Super-high Manganese high-silicon type fysed flux peculiar to vessel according to claim 3, which is characterized in that the ship
, before welding need to be at 200~400 DEG C with Super-high Manganese high-silicon type fysed flux, drying >=2h.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115365704A (en) * | 2022-10-24 | 2022-11-22 | 东北大学 | Low-thermal-expansion melting welding flux and preparation method and application thereof |
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2018
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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 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115365704A (en) * | 2022-10-24 | 2022-11-22 | 东北大学 | Low-thermal-expansion melting welding flux and preparation method and application thereof |
CN115365704B (en) * | 2022-10-24 | 2022-12-23 | 东北大学 | Low-thermal-expansion melting welding flux and preparation method and application thereof |
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Application publication date: 20181113 |