CN110293335A - A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel and preparation method thereof - Google Patents
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel and preparation method thereof Download PDFInfo
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- CN110293335A CN110293335A CN201910575330.6A CN201910575330A CN110293335A CN 110293335 A CN110293335 A CN 110293335A CN 201910575330 A CN201910575330 A CN 201910575330A CN 110293335 A CN110293335 A CN 110293335A
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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
- B23K35/362—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
Abstract
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention and preparation method thereof, fysed flux contains ingredient by mass percentage are as follows: CaF2: 68~72%, Al2O3: 18~22%, TiO2: 8~12%.Preparation method are as follows: after according to the ratio mixing raw material, melting at 1450~1530 DEG C, soaking time is 10~30min, is quenched after melting, at 680~720 DEG C, roasts 2~2.5h, calcining matter after crushing, obtains the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel.Solder flux, which is made, in this method has good chemical component uniformity, and moisture absorption is low, 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, is detected zero defect, can satisfy the technique requirement of welding.
Description
Technical field
The invention belongs to welding technology field, the high fluorine aluminium titanium-type fysed flux of specifically a kind of low titanium peculiar to vessel and its preparation side
Method.
Background technique
As I crosses flourishing for shipbuilding industry, ship building period is shorter and shorter, and tonnage designs increasing, submerged-arc welding
Connection technology is widely used in shipping industry field.Submerged arc flux is one of main consumable material of submerged-arc welding,
Resistance of Weld Metal plays mechanical protection, Metallurgical processing and improves welding technological properties, the welding of solder flux in the welding process
Processing performance and chemical metallurgy performance are an important factor for determining weld metal quality.Compared with sintered flux, fysed flux tool
Having particle, uniformly height, deposited metal composition are uniformly, moisture absorption tendency is small, welding process is stable, gas fume amount is less, repeat
The advantages that utilization rate is high.When using large-line energy submerged arc welding, since welding point high-temperature residence time is elongated, it is easy to cause
Austenite grain is significantly roughened, and postwelding cooling rate is small, makes weld metal side plate top news iron easy to form during solid-state phase changes
Ferritic, Wei Shi body and upper bainite etc. make the intensity and toughness severe exacerbation of welding point, pass through the chemical metallurgy performance of solder flux
Improving property of welded joint becomes key.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel and its preparations
Method;Fysed flux of the invention be a kind of excellent welding technological properties, composition of weld line and even tissue, welding bead surface it is smooth,
The good fysed flux of the removability of slag meets deck of boat steel welding technology to the pressing needs of the solder flux of function admirable.
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, by mass percentage containing ingredient are as follows: CaF2: 68~
72%, Al2O3: 18~22%, TiO2: 8~12%;Wherein, the mass percent summation of each component is 100%.
The high fluorine aluminium titanium-type fysed flux of the low titanium peculiar to vessel after weld formation, the needle-shaped iron in the weld structure of formation
Ferritic volume fraction is 37.64%~40.53%, and the tensile strength of the resulting welding point of postwelding is 645~730MPa, Vickers
Hardness is 229~245Hv, and ballistic work is 63~77J at -40 DEG C;Composition of weld line is uniform, and welding bead is smooth, and deoxidation is good.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is uniformly mixed;
(2) by uniformly mixed raw material, melting is carried out, smelting temperature is 1450~1530 DEG C, and melting soaking time is 10
Smelted product is made in~30min;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product in 680~720 DEG C of 2~2.5h of roasting, product of roasting is made;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are the particle of 10~40 mesh, the high fluorine aluminium titanium-type melting weldering of low titanium as peculiar to vessel
Agent.
The preparation method of the high fluorine aluminium titanium-type fysed flux of above-mentioned low titanium peculiar to vessel, in which:
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 application method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, comprising the following steps:
(1) by the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel at 200~400 DEG C, 1~3h is dried;
(2) by the high fluorine aluminium titanium-type fysed flux cooperation low-carbon type welding wire of low titanium peculiar to vessel after drying to low-carbon and low-alloy ship steel
It is welded, obtains welding point.
In the step (1), drying operation carries out in drying box.
In the step (2), low-carbon and low-alloy ship steel is EH36 grades of ship steels.
In the step (2), low-carbon type welding wire is H08Mn2SiA.
In the step (2), using double wire hidden arc welding, solder flux heap a height of 40mm, preceding silk direct current 850A/32V, rear silk exchange
625A/36V, speed of welding 50cmmin- 1。
Contain TiO in the high fluorine aluminium titanium-type solder flux of low titanium of the invention2, the effect of transition titanium in the oriented weld seam of solder flux.Titanium is not
It only can be used as deoxidier, Ti can be also generated in conjunction with oxygen2O3And Ti2O3·Al2O3Equal fine foreign matters, can become needle-shaped
Ferritic effective forming core core, it is particularly important for induction acicular ferrite nucleating, and a large amount of generations of acicular ferrite
It is to guarantee welding point adequate condition with a certain toughness.CaF2Solder flux fusing point can be effectively reduced, meet solder flux craftsmanship
Energy.To meet industrialized production to the pressing needs of the solder flux of function admirable, the deterioration of the intensity and toughness of welding point is solved,
The mechanical property that it is necessary to prepare a kind of function admirable, can improve welding point, the high fluorine of the good low titanium of appearance of weld
Aluminium titanium-type fysed flux.
Compared with prior art, beneficial effects of the present invention:
The present invention is prepared for a kind of high fluorine aluminium titanium-type fysed flux of New Marine low titanium, the solder flux have good chemistry at
Point uniformity, moisture absorption is low (storage is convenient), can be well matched with low-carbon and low-alloy ship steel 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, through detecting zero defect, energy
Enough technique requirements for meeting welding.
Detailed description of the invention:
Fig. 1 is that the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel prepared by embodiment 1 welds the welding point to be formed cutting section
Face optical microscopy map;
Fig. 2 is that the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel prepared by embodiment 1 welds the weld seam metallurgical microscopic to be formed;
Fig. 3 is the skull shape appearance figure that falls off after the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel prepared by embodiment 1 welds.
Specific embodiment
In following embodiment:
The low-carbon type welding wire model H08Mn2SiA of use;
The high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of preparation welds the specific welding process to form connector are as follows: uses mariages
Submerged-arc welding, solder flux heap a height of 40mm, preceding silk direct current 850A/32V, rear silk exchange 625A/36V, speed of welding 50cmmin- 1。
Embodiment 1
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, by mass percentage containing ingredient are as follows: CaF2: 70%,
Al2O3: 22%, TiO2: 8%.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is put into mixing equipment, is stirred by mixing;
(2) by uniformly mixed raw material, the melting at 1480 DEG C in graphite crucible keeps the temperature 25min, and smelted product is made;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product Muffle furnace in 800 DEG C of roasting 2h, product of roasting is made, is eliminated in solder flux by high-temperature roasting
Carbon dust;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are that the particle of 10~40 mesh is the high fluorine aluminium titanium-type melting weldering of low titanium peculiar to vessel
Agent.
The high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel manufactured in the present embodiment is done before welding using drying box at 200 DEG C
Dry 2h;Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the resulting weldering of postwelding
It is as follows to connect joint performance index: tensile strength 661MPa, (- 40 DEG C) of low-temperature impact work are 68J, Vickers hardness 229Hv, weldering
Joint cutting section optical microscopy map is connect as shown in Figure 1, weld seam metallurgical microscopic is as shown in Fig. 2, the skull pattern that falls off after welding
Figure is as shown in Figure 3;Composition of weld line is uniform, and welding bead is smooth, and deoxidation is good, the acicular ferrite in the weld structure of formation
Volume fraction is 38.12%.
Embodiment 2
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, by mass percentage containing ingredient are as follows: CaF2: 71%,
Al2O3: 20%, TiO2: 9%.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is put into mixing equipment, is stirred by mixing;
(2) by uniformly mixed raw material, in graphite crucible, melting at 1500 DEG C keeps the temperature 20min, and smelted product is made;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product Muffle furnace in 800 DEG C of roasting 2h, product of roasting is made, is eliminated in solder flux by high-temperature roasting
Carbon dust;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are that the particle of 10~40 mesh is the high fluorine aluminium titanium-type melting weldering of low titanium peculiar to vessel
Agent.
The high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel manufactured in the present embodiment is done before welding using drying box at 200 DEG C
Dry 2h;Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the resulting weldering of postwelding
It is as follows to connect joint performance index: tensile strength 674MPa, (- 40 DEG C) of low-temperature impact work are 69J, Vickers hardness 235Hv, weldering
It is seamed into point uniformly, welding bead is smooth, and deoxy performance is good, and the acicular ferrite volume fraction in the weld structure of formation is
38.45%.
Comparative example 1
Fysed flux ingredient is TiO with embodiment 2, difference2Content is 15%, CaF2Content is 65%.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is put into mixing equipment, is stirred by mixing;
(2) by uniformly mixed raw material, in graphite crucible, melting at 1500 DEG C keeps the temperature 20min, and smelted product is made;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product Muffle furnace in 800 DEG C of roasting 2h, product of roasting is made, is eliminated in solder flux by high-temperature roasting
Carbon dust;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are the particle of 10~40 mesh, obtain fysed flux.
The fysed flux, before welding using drying box at 200 DEG C, dry 2h;Then, the fysed flux after drying is matched
It closes low-carbon type welding wire to weld EH36 grades of ship steels, the resulting property of welded joint index of postwelding is as follows: tensile strength is
624MPa, (- 40 DEG C) of low-temperature impact work are 60J, and Vickers hardness 219Hv, composition of weld line is uniform, and welding bead is smooth, deoxy performance
Well.
Embodiment 3
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, by mass percentage containing ingredient are as follows: CaF2: 70%,
Al2O3: 20%, TiO2: 10%.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is put into mixing equipment, is stirred by mixing;
(2) by uniformly mixed raw material, in graphite crucible, melting at 1510 DEG C keeps the temperature 15min, and smelted product is made;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product Muffle furnace in 800 DEG C of roasting 2h, product of roasting is made, is eliminated in solder flux by high-temperature roasting
Carbon dust;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are that the particle of 10~40 mesh is the high fluorine aluminium titanium-type melting weldering of low titanium peculiar to vessel
Agent.
The high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel manufactured in the present embodiment is done before welding using drying box at 200 DEG C
Dry 2h;Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the resulting weldering of postwelding
It is as follows to connect joint performance index: tensile strength 694MPa, (- 40 DEG C) of low-temperature impact work are 71J, Vickers hardness 237Hv, weldering
It is seamed into point uniformly, welding bead is smooth, and the acicular ferrite volume fraction in the weld structure of formation is 38.96%.
Embodiment 4
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, by mass percentage containing ingredient are as follows: CaF2: 70%,
Al2O3: 18%, TiO2: 12%.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is put into mixing equipment, is stirred by mixing;
(2) by uniformly mixed raw material, in graphite crucible, melting at 1530 DEG C keeps the temperature 10min, and smelted product is made;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product Muffle furnace in 800 DEG C of roasting 2h, product of roasting is made, is eliminated in solder flux by high-temperature roasting
Carbon dust;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are that the particle of 10~40 mesh is the high fluorine aluminium titanium-type melting weldering of low titanium peculiar to vessel
Agent.
The high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel manufactured in the present embodiment is done before welding using drying box at 200 DEG C
Dry 2h;Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the resulting weldering of postwelding
It is as follows to connect joint performance index: tensile strength 712MPa, (- 40 DEG C) of low-temperature impact work are 74J, Vickers hardness 241Hv, weldering
It is seamed into point uniformly, welding bead is smooth, and the removability of slag is good, and the acicular ferrite volume fraction in the weld structure of formation is
40.53%.
Embodiment 5
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, by mass percentage containing ingredient are as follows: CaF2: 68%,
Al2O3: 20%, TiO2: 12%.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is put into mixing equipment, is stirred by mixing;
(2) by uniformly mixed raw material, in graphite crucible, melting at 1450 DEG C keeps the temperature 30min, and smelted product is made;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product Muffle furnace in 800 DEG C of roasting 2h, product of roasting is made, is eliminated in solder flux by high-temperature roasting
Carbon dust;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are that the particle of 10~40 mesh is the high fluorine aluminium titanium-type melting weldering of low titanium peculiar to vessel
Agent.
The high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel manufactured in the present embodiment is done before welding using drying box at 200 DEG C
Dry 2h;Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the resulting weldering of postwelding
It is as follows to connect joint performance index: tensile strength 691MPa, (- 40 DEG C) of low-temperature impact work are 72J, Vickers hardness 244Hv, weldering
It is seamed into point uniformly, welding bead is smooth, and the acicular ferrite volume fraction in the weld structure of formation is 39.57%.
Embodiment 6
A kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, by mass percentage containing ingredient are as follows: CaF2: 72%,
Al2O3: 20%, TiO2: 8%.
The preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel of the invention, includes the following steps:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, will
Each raw material is put into mixing equipment, is stirred by mixing;
(2) by uniformly mixed raw material, in graphite crucible, melting at 1450 DEG C keeps the temperature 30min, and smelted product is made;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product Muffle furnace in 800 DEG C of roasting 2h, product of roasting is made, is eliminated in solder flux by high-temperature roasting
Carbon dust;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are that the particle of 10~40 mesh is the high fluorine aluminium titanium-type melting weldering of low titanium peculiar to vessel
Agent.
The high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel manufactured in the present embodiment is done before welding using drying box at 200 DEG C
Dry 2h;Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the resulting weldering of postwelding
It is as follows to connect joint performance index: tensile strength 682MPa, (- 40 DEG C) of low-temperature impact work are 65J, Vickers hardness 231Hv, weldering
It is seamed into point uniformly, welding bead is smooth, and the acicular ferrite volume fraction in the weld structure of formation is 37.64%.
Claims (4)
1. a kind of high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, which is characterized in that it contains ingredient by mass percentage are as follows: CaF2:
68~72%, Al2O3: 18~22%, TiO2: 8~12%.
2. the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel according to claim 1, which is characterized in that the low titanium peculiar to vessel
After weld formation, the acicular ferrite volume fraction in the weld structure of formation is 37.64% to high fluorine aluminium titanium-type fysed flux
~40.53%, the tensile strength of the resulting welding point of postwelding is 645~730MPa, and Vickers hardness is 229~245Hv, -40
Ballistic work is 63~77J at DEG C.
3. the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel according to claim 2, which is characterized in that the welding point
Forming process is as follows:
(1) by the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel at 200~400 DEG C, 1~3h is dried;
(2) the high fluorine aluminium titanium-type fysed flux cooperation low-carbon type welding wire of low titanium peculiar to vessel after drying carries out low-carbon and low-alloy ship steel
Welding obtains welding point, wherein the low-carbon and low-alloy ship steel is EH36 grades of ship steels, and low-carbon type welding wire is
H08Mn2SiA。
4. the preparation method of the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel described in claim 1, which is characterized in that including as follows
Step:
Step 1, melting:
(1) proportion for pressing the high fluorine aluminium titanium-type fysed flux of low titanium peculiar to vessel, weighs each component raw materials of Ca F2、Al2O3、TiO2, Jiang Geyuan
Material is uniformly mixed;
(2) raw material that will be uniformly mixed, carries out melting, and smelting temperature is 1450~1530 DEG C, and melting soaking time is 10~
Smelted product is made in 30min;
(3) by smelted product water quenching, semi-finished product are made;
Step 2, high-temperature roasting:
By semi-finished product in 680~720 DEG C of 2~2.5h of roasting, product of roasting is made;
Step 3, it is crushed:
Product of roasting is broken, sieving, granularity are the particle of 10~40 mesh, the high fluorine aluminium titanium-type fysed flux of low titanium as peculiar to vessel.
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CN108544139A (en) * | 2018-06-30 | 2018-09-18 | 东北大学 | A kind of high fluorine-type sintered flux of low titanium peculiar to vessel and preparation method thereof |
CN108723639A (en) * | 2018-06-30 | 2018-11-02 | 东北大学 | One kind high high fluorine-type fysed flux of titanium peculiar to vessel and preparation method thereof |
CN108747087A (en) * | 2018-06-30 | 2018-11-06 | 东北大学 | One kind middle high fluorine-type fysed flux of titanium peculiar to vessel and preparation method thereof |
CN108788529A (en) * | 2018-06-30 | 2018-11-13 | 东北大学 | A kind of high alkalinity fluorine alkaline type sintered flux peculiar to vessel and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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