CN108788538A - One kind middle high fluorine-type sintered flux of titanium peculiar to vessel and preparation method thereof - Google Patents
One kind middle high fluorine-type sintered flux of titanium peculiar to vessel and preparation method thereof Download PDFInfo
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- CN108788538A CN108788538A CN201810703384.1A CN201810703384A CN108788538A CN 108788538 A CN108788538 A CN 108788538A CN 201810703384 A CN201810703384 A CN 201810703384A CN 108788538 A CN108788538 A CN 108788538A
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- high fluorine
- vessel
- type sintered
- sintered flux
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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
- B23K35/40—Making wire or rods for soldering or welding
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- Nonmetallic Welding Materials (AREA)
Abstract
One kind middle high fluorine-type sintered flux of titanium peculiar to vessel and preparation method thereof, solder flux contains ingredient and is by mass percentage：CaF2：70~80%, TiO2：20~30%；The mass percent summation of each component is 100%；Preparation method：1) composition proportion for pressing the middle high fluorine-type sintered flux of titanium peculiar to vessel after weighing each raw material, is uniformly mixed, and dry-mixed raw material is made, then waterglass and dry-mixed raw material are carried out wet mixing, wet mixed feed is made；2) wet mixed feed be granulated obtaining low temperature drying after semi-finished product；3) semi-finished product are sintered, the middle high fluorine-type sintered flux of titanium peculiar to vessel is made；The present invention middle high fluorine-type sintered flux of titanium peculiar to vessel, the property of welded joint index obtained by postwelding are as follows：Tensile strength intensity is 672~761MPa, and (- 40 DEG C) of low-temperature impact work is 67~90J.
Description
Technical field
The invention belongs to welding technology field, specifically a kind of middle high fluorine-type sintered flux of titanium 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 fysed flux, sintered flux is with sintered flux with low energy consumption, basicity adjustable range
Greatly, easy deoxidation, the advantages that being easy to alloying, being readily produced.Acidic oxide content is less in the middle high fluorine-type sintered flux of titanium, weldering
Agent oxidisability is weak, and anti-stomata ability is strong, is conducive to the weld metal for obtaining high/low temperature toughness.To meet industrialized production to performance
The pressing needs of excellent solder flux, it is necessary to prepare a kind of function admirable, can realize that weld metal intensity and high low temperature are tough
Property, while there is smooth welding bead, the high fluorine-type sintered flux of middle titanium 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 fluorine-type sintered flux of middle titanium peculiar to vessel and its preparation sides
Method；The present invention meets pressing needs of the deck of boat steel welding technology to the solder flux of function admirable, have developed a kind of welding process it is stable,
Weld metal high strength, low-temperature flexibility is high, composition of weld line and even tissue, welding bead surface are smooth, the removability of slag can good middle titanium
High fluorine-type sintered flux.
A kind of middle high fluorine-type sintered flux of titanium peculiar to vessel is by mass percentage containing ingredient：CaF2：70~80%,
TiO2：20~30%；The mass percent summation of each component is 100%.
The middle high fluorine-type sintered flux of titanium peculiar to vessel, the property of welded joint index obtained by postwelding are as follows：Tensile strength
Intensity is 672~761MPa, and (- 40 DEG C) of low-temperature impact work is 67~90J.
The preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing the middle high fluorine-type sintered flux of titanium peculiar to vessel after weighing each raw material, is uniformly mixed, is made dry-mixed
Raw material；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, is made by dry-mixed raw material=20~30%
Wet mixed feed；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 200~400 DEG C of low temperature dryings；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 300~700 DEG C, 2~5h of sintering time, and the middle high fluorine of titanium peculiar to vessel is made
Type sintered flux.
The preparation method of the above-mentioned middle high fluorine-type sintered flux of titanium peculiar to vessel, wherein：
In the step 1 (1), each raw material is put into mixing equipment, is stirred evenly.
In the step 1 (2), waterglass is sodium silicate.
In the step 2 (3), drying uses tube furnace.
In the step 2 (3), 2~3h of drying time.
The middle high fluorine-type sintered flux of titanium peculiar to vessel, before welding need to be at 300~500 DEG C, drying >=2h.Drying uses
Drying box is dried.
The middle high fluorine-type sintered flux of titanium peculiar to vessel and preparation method thereof of the present invention, compared with prior art, has the beneficial effect that：
The present invention is prepared for the high fluorine-type sintered flux of titanium in a kind of New Marine, can be well matched with low-carbon and low-alloy ship
Slab obtains uniform composition of weld line, good weld strength and low-temperature flexibility.Weld metal welding bead is smooth, and the removability of slag is good,
Through ray detection zero defect, the technological requirement of welding disclosure satisfy that.
Specific implementation mode
Embodiment 1
A kind of middle high fluorine-type sintered flux of titanium peculiar to vessel is by mass percentage containing ingredient：：CaF2：75%, TiO2：
25%.
The preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing the middle high fluorine-type sintered flux of titanium peculiar to vessel, after weighing each raw material, is put into mixing equipment, stirs
Uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=22%
Material；Wherein, waterglass is sodium silicate；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 300 DEG C of low temperature drying 2h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 400 DEG C, sintering time 2.5h, and the high fluorine-type sintering of middle titanium peculiar to vessel is made
Solder flux.
The middle high fluorine-type sintered flux of titanium peculiar to vessel manufactured in the present embodiment uses drying box at 300 DEG C before welding, drying
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 678MPa, and (- 40 DEG C) of low-temperature impact work is 71J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Embodiment 2
A kind of middle high fluorine-type sintered flux of titanium peculiar to vessel is by mass percentage containing ingredient：：CaF2：74%, TiO2：
26%.
The preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing the middle high fluorine-type sintered flux of titanium peculiar to vessel, after weighing each raw material, is put into mixing equipment, stirs
Uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=25%
Material；Wherein, waterglass is sodium silicate；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 400 DEG C of low temperature drying 3h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 500 DEG C, sintering time 2h, and the high fluorine-type sintering weldering of middle titanium peculiar to vessel is made
Agent.
The middle high fluorine-type sintered flux of titanium peculiar to vessel manufactured in the present embodiment uses drying box at 300~500 DEG C before welding,
Drying >=2h；Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, obtained by postwelding
Property of welded joint index it is as follows：Tensile strength intensity is 682MPa, and (- 40 DEG C) of low-temperature impact work is 81J, and composition of weld line is equal
Even, welding bead is smooth, and the removability of slag can be good.
Embodiment 3
A kind of middle high fluorine-type sintered flux of titanium peculiar to vessel is by mass percentage containing ingredient：：CaF2：73%, TiO2：
27%.
The preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing the middle high fluorine-type sintered flux of titanium peculiar to vessel, after weighing each raw material, is put into mixing equipment, stirs
Uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=28%
Material；Wherein, waterglass is sodium silicate；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 200 DEG C of low temperature drying 3h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 700 DEG C, sintering time 3h, and the high fluorine-type sintering weldering of middle titanium peculiar to vessel is made
Agent.
The middle high fluorine-type sintered flux of titanium peculiar to vessel manufactured in the present embodiment uses drying box at 300 DEG C before welding, drying
4h；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 726MPa, and (- 40 DEG C) of low-temperature impact work is 84J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Embodiment 4
A kind of middle high fluorine-type sintered flux of titanium peculiar to vessel is by mass percentage containing ingredient：：CaF2：72%, TiO2：
28%.
The preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing the middle high fluorine-type sintered flux of titanium peculiar to vessel, after weighing each raw material, is put into mixing equipment, stirs
Uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=22%
Material；Wherein, waterglass is sodium silicate；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 400 DEG C of low temperature drying 2h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 700 DEG C, sintering time 5h, and the high fluorine-type sintering weldering of middle titanium peculiar to vessel is made
Agent.
The middle high fluorine-type sintered flux of titanium peculiar to vessel manufactured in the present embodiment uses drying box at 500 DEG C before welding, drying
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 741MPa, and (- 40 DEG C) of low-temperature impact work is 86J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Claims (6)
1. a kind of middle high fluorine-type sintered flux of titanium peculiar to vessel, which is characterized in that it contains ingredient and is by mass percentage：CaF2：70~
80%, TiO2：20~30%；The mass percent summation of each component is 100%.
2. one kind middle high fluorine-type sintered flux of titanium peculiar to vessel according to claim 1, which is characterized in that the middle titanium peculiar to vessel is high
Fluorine-type sintered flux, the property of welded joint index obtained by postwelding are as follows：Tensile strength intensity is 672~761MPa, low temperature punching
It is 67~90J to hit (- 40 DEG C) of work(.
3. the preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel described in claim 1, which is characterized in that including walking as follows
Suddenly：
Step 1, batch mixing：
(1) composition proportion for pressing the middle high fluorine-type sintered flux of titanium peculiar to vessel after weighing each raw material, is uniformly mixed, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=20~30%
Material；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, return to step
2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 200~400 DEG C of low temperature dryings；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 300~700 DEG C, 2~5h of sintering time, and the high fluorine-type of middle titanium peculiar to vessel is made and burns
Tie solder flux.
4. the preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel according to claim 3, which is characterized in that the step
In 1 (2), waterglass is sodium silicate.
5. the preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel according to claim 3, which is characterized in that the step
In 2 (3), 2~3h of drying time.
6. the preparation method of the middle high fluorine-type sintered flux of titanium peculiar to vessel according to claim 3, which is characterized in that in described
The high fluorine-type sintered flux of titanium, before welding need to be at 300~500 DEG C, drying >=2h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810703384.1A CN108788538A (en) | 2018-06-30 | 2018-06-30 | One kind middle high fluorine-type sintered flux of titanium peculiar to vessel and preparation method thereof |
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|---|---|---|---|
| CN201810703384.1A CN108788538A (en) | 2018-06-30 | 2018-06-30 | One kind middle high fluorine-type sintered flux of titanium peculiar to vessel and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293333A (en) * | 2019-06-28 | 2019-10-01 | 东北大学 | One kind high fluorine aluminium titanium-type sintered flux peculiar to vessel and preparation method thereof |
| CN110293336A (en) * | 2019-06-28 | 2019-10-01 | 东北大学 | A kind of fluorine aluminium titanium-type fysed flux peculiar to vessel and preparation method thereof |
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Cited By (3)
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|---|---|---|---|---|
| CN110293333A (en) * | 2019-06-28 | 2019-10-01 | 东北大学 | One kind high fluorine aluminium titanium-type sintered flux peculiar to vessel and preparation method thereof |
| CN110293336A (en) * | 2019-06-28 | 2019-10-01 | 东北大学 | A kind of fluorine aluminium titanium-type fysed flux peculiar to vessel and preparation method thereof |
| CN110293333B (en) * | 2019-06-28 | 2022-02-11 | 东北大学 | Marine high-fluorine aluminum titanium type sintered flux and preparation method thereof |
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