CN110026709A - A kind of production method of medicine core material and welding wire and the welding wire with crack arrest characteristic - Google Patents
A kind of production method of medicine core material and welding wire and the welding wire with crack arrest characteristic Download PDFInfo
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- CN110026709A CN110026709A CN201910369828.7A CN201910369828A CN110026709A CN 110026709 A CN110026709 A CN 110026709A CN 201910369828 A CN201910369828 A CN 201910369828A CN 110026709 A CN110026709 A CN 110026709A
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- medicine core
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- crack arrest
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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
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- 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
- B23K35/3608—Titania or titanates
-
- 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
- B23K35/406—Filled tubular wire or rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The present invention provides a kind of medicine core material with crack arrest characteristic, the medicine core material is made of the raw material of following mass fraction: 20-30 parts of rutile, 2-6 parts of quartz, 1-4 parts of feldspar, 1-2 parts of potassium fluoride, 1-3 parts of rare earth niobium, 0.5-1 parts of rare earth iridium, 2-6 parts of magnesium powder, 3-5 parts of aluminium vanadine, 3-5 parts of low Carbon Manganese, 0.3-1 parts of metallic nickel, 0.6-1.2 parts of crome metal, 2-3 parts of ferrotianium, modified anhydrous polytetrafluoroethylene (PTFE) 1-4 parts.The present invention also provides a kind of welding wire and welding wire production method containing above-mentioned medicine core material.The production method of medicine core material and welding wire and the welding wire of the present invention, deposited metal tissue can be made to obtain the polygonal ferrite with crack arrest characteristic and acicular ferrite structure, reach Effective grain size diameter less than 8mm, to make deposited metal obtain good crack arrest, it can solve novel crack arrest material and problem harsh, that technology difficulty is high required to welding surroundings and technique.
Description
Technical field
The present invention relates to wlding technical fields, and in particular to a kind of medicine core material and welding wire with crack arrest characteristic and the weldering
The production method of silk.
Background technique
With the fast development of sea-freight industry, Opening International Market, environmental protection, port are not only given in the construction of super-container vessel
Mouth construction etc. all brings huge opportunities and challenges, and brings challenge to shipbuilding materials.For this purpose, Container Transport
Ship hull generallys use high tough and big thickness steel plate.High tough and big thickness steel plate while meeting performance requirement so that
Steel plate stress switchs to plane strain state, the anti-cracking performance decline of material by plane stress state.Material fragility fracture
Once Large Container Ship was caused multiple accident occur.When component is there are when potential defect or crackle, there is good crack arrest characteristic
Weld seam by dynamic load and impact loading, can a small range prevent crackle extension, prevent great thing
Therefore generation
Chinese Iron & Steel Enterprises have carried out series technique tackling key problem for super-container vessel crack arrest steel plate, pass through multiphase group
Proportion regulation is knitted, is obtained with Gao Qiang Ren ﹑ Di Qu Qiang Bi ﹑ high crack arrest and easy weldability steel plate.Chinese crack arrest steel has become
Function is applied to the construction of domestic super-container vessel, and future can further increase the demand of crack arrest steel peculiar to vessel, and performance is wanted
Asking can also be continuously improved.Although domestic iron and steel enterprises successfully develop such product, novel crack arrest Steel material to welding surroundings and
Technique requires extremely harsh, technology difficulty height, so matched welding material also depends on imported product, China is raw
Also there are also gaps compared with international top-level for the wlding performance level of production.Therefore it needs to develop a kind of new medicine core material group
Part, to produce high tough and there is good crack arrest characteristic flux-cored wire, to effectively improve the crack arrest of welding material deposited metal
Performance matches with van container crack arrest steel peculiar to vessel.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of medicine cores with crack arrest characteristic
The production method of material and welding wire and the welding wire, the toughness and plasticity of Lai Tigao welding material deposited metal, with ocean engineering,
Skyscraper is matched with high-plastic high-ductility steel.
To achieve the goals above or other purposes, the present invention is achieved by the following technical solutions:
A kind of medicine core material with crack arrest characteristic, the medicine core material are made of the raw material of following mass fraction: golden red
20-30 parts of stone, 2-6 parts of quartz, 1-4 parts of feldspar, 1-2 parts of potassium fluoride, 1-3 parts of rare earth niobium, 0.5-1 parts of rare earth iridium, magnesium powder 2-6
Part, 3-5 parts of aluminium vanadine are 3-5 parts of low Carbon Manganese, 0.3-1 parts of metallic nickel, 0.6-1.2 parts of crome metal, 2-3 parts of ferrotianium, modified anhydrous poly-
1-4 parts of tetrafluoroethene.
The present invention also provides a kind of welding wires, include coating and medicine core, and the medicine core is made of above-mentioned medicine core material.
Preferably, medicine core fill factor intracavitary in the coating is 14%-16%.
The present invention also provides a kind of production methods of above-mentioned welding wire, comprise the following steps:
(1) it mixes, be sufficiently stirred after medicine core material each component being weighed respectively, dry, it is stand-by medicinal powder must to be formulated；
(2) the mild-carbon steel strip slitting by carbon element content less than or equal to 0.03, cleaning, then roll U-type groove, then by step
(1) formula medicinal powder described in is added in U-type groove, and then closure, tube reducing, wire drawing, take-up are to get the welding wire.
Preferably, rutile in above-mentioned steps (1), quartz, feldspar, aluminium vanadine drying temperature be 920 DEG C -980 DEG C, dry
The dry time is 12-24h；The drying temperature of remaining ingredient is 270 DEG C -290 DEG C, drying time 12-24h.
The production method that the present invention has the medicine core material and welding wire and the welding wire of crack arrest characteristic, can make deposited metal group
It knits to obtain the polygonal ferrite with crack arrest characteristic and acicular ferrite structure.Meanwhile refining the grain structure of face of weld
Effective grain size diameter is made up to less than 8mm, so that deposited metal be made to obtain good crack arrest.Therefore, it can satisfy large-scale collection
The welding for hull main structure of casing, solves the insurmountable novel crack arrest material of general welding material to welding surroundings and work
Skill requires problem harsh, that technology difficulty is high.
Specific embodiment
Illustrate embodiments of the present invention below by way of particular specific embodiment, those skilled in the art can be by this explanation
Other advantages and efficacy of the present invention can be easily understood for content disclosed by book.The present invention can also be by addition different specific
Embodiment is embodied or practiced, and the various details in this specification can also not carried on the back based on different viewpoints and application
From carrying out various modifications or alterations under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and reality
The feature applied in example can be combined with each other.
It should be noted that the various raw materials in the present invention, can be used material well-known to those skilled in the art, and
It can be obtained by general commercial sources.
Embodiment one
Medicine core material component: rutile 30Kg, quartz 2Kg, feldspar 3Kg, potassium fluoride 1Kg, rare earth niobium 1Kg, rare earth iridium
0.5Kg, magnesium powder 2Kg, aluminium vanadine 3Kg, low Carbon Manganese 5Kg, metallic nickel 0.5Kg, crome metal 1.2Kg, ferrotianium 3Kg, it is modified anhydrous poly-
Tetrafluoroethene 4Kg.
High tough crack arrest flux-cored wire preparation method:
(1) rutile, quartz, feldspar, aluminium vanadine are dried into 12h at 950 DEG C, 270 DEG C of drying times of other medicinal powder
Above-mentioned medicine core material after drying is mixed, stirs, it is stand-by must to be formulated medicinal powder by 12h.
(2) the mild steel steel band of thickness 1.0mm, width 14mm are taken, then slitting cleans by cleaning solution, rolls U-type groove,
Step (1) medicinal powder is added in U-type groove, then closure, tube reducing, wire drawing, take-up are to get the welding wire.Welding wire medicine core is filled out
Filling coefficient is 14.5%.
High-plastic high-ductility welding wire made from the present embodiment is used for test plate (panel) welding, welding current 250A, weldingvoltage 28V are protected
Protect gas CO2, measure welding deposited metal tensile strength be 680MPa, yield strength 485MPa, elongation percentage 28%, -40 DEG C
Impact absorbing energy 106J, diffusible hydrogen content 5.8ml/100g.
Embodiment two
Medicine core material component: rutile 25Kg, quartz 4.5Kg, feldspar 3Kg, potassium fluoride 1.5Kg, rare earth niobium 1.2Kg, dilute
Native iridium 0.6Kg, magnesium powder 2Kg, aluminium vanadine 4Kg, low Carbon Manganese 3Kg, metallic nickel 0.5Kg, crome metal 1.0Kg, ferrotianium 2.5Kg, it is modified
Anhydrous polytetrafluoroethylene (PTFE) 3Kg.
High tough crack arrest flux-cored wire preparation method:
Rutile, quartz, feldspar, aluminium vanadine are dried into 15h at 920 DEG C, 280 DEG C of drying time 15h of other medicinal powder will
Above-mentioned medicine core material mixing after drying, stirs, it is stand-by must to be formulated medicinal powder.
(1) the mild steel steel band of thickness 0.8mm, width 14mm are taken, then slitting cleans by cleaning solution, rolls U-type groove,
Step (1) medicinal powder is added in U-type groove, then closure, tube reducing, wire drawing, take-up are to get the welding wire.Welding wire medicine core is filled out
Filling coefficient is 16%.
The tough crack arrest flux-cored wire of height made from the present embodiment is used for test plate (panel) welding, welding current 250A, weldingvoltage
28V, protective gas CO2, the tensile strength for measuring welding deposited metal is 660MPa, yield strength 510MPa, elongation percentage
30%, -40 DEG C of impact absorbing energy 118J, diffusible hydrogen content 5.2ml/100g.
Embodiment three
Medicine core material component: rutile 30Kg, quartz 6Kg, feldspar 2Kg, potassium fluoride 1Kg, rare earth niobium 1Kg, rare earth iridium
0.5Kg, magnesium powder 2Kg, aluminium vanadine 3Kg, low Carbon Manganese 5Kg, metallic nickel 1Kg, crome metal 0.6Kg, ferrotianium 3Kg, modified anhydrous poly- four
Vinyl fluoride 2Kg.
High tough crack arrest flux-cored wire preparation method:
(1) rutile, quartz, feldspar, aluminium vanadine are dried into 18h at 980 DEG C, 290 DEG C of drying times of other medicinal powder
Above-mentioned medicine core material after drying is mixed, stirs, it is stand-by must to be formulated medicinal powder by 18h.
(2) the carbon steel steel band of thickness 0.9mm, width 13mm are taken, then slitting cleans by cleaning solution, rolls U-type groove, will
Step (1) medicinal powder is added in U-type groove, and then closure, tube reducing, wire drawing, take-up are to get the welding wire.Welding wire flux cored filler
Coefficient is 14%.
High-plastic high-ductility welding wire made from the present embodiment is used for test plate (panel) welding, welding current 250A, weldingvoltage 28V are protected
Protect gas CO2, measure welding deposited metal tensile strength be 665MPa, yield strength 520MPa, elongation percentage 31%, -40 DEG C
Impact absorbing energy 134J, diffusible hydrogen content 5.9ml/100g.
Example IV
Medicine core material component: rutile 30Kg, quartz 4.5Kg, feldspar 4Kg, potassium fluoride 2Kg, rare earth niobium 1.5Kg, rare earth
Iridium 0.8Kg, magnesium powder 5Kg, aluminium vanadine 3.5Kg, low Carbon Manganese 4.5Kg, metallic nickel 0.7Kg, crome metal 0.9Kg, ferrotianium 2.3Kg change
The anhydrous polytetrafluoroethylene (PTFE) 1.5Kg of property.
High tough crack arrest flux-cored wire preparation method:
(1) rutile, quartz, feldspar, aluminium vanadine are dried for 24 hours at 980 DEG C, 290 DEG C of drying times of other medicinal powder
For 24 hours, the above-mentioned medicine core material after drying is mixed, stirs, it is stand-by medicinal powder must be formulated.
(2) the carbon steel steel band of thickness 0.7mm, width 10mm are taken, then slitting cleans by cleaning solution, rolls U-type groove, will
Step (1) medicinal powder is added in U-type groove, and then closure, tube reducing, wire drawing, take-up are to get the welding wire.Welding wire flux cored filler
Coefficient is 15.5%.
High-plastic high-ductility welding wire made from the present embodiment is used for test plate (panel) welding, welding current 250A, weldingvoltage 28V are protected
Protect gas CO2, measure welding deposited metal tensile strength be 710MPa, yield strength 525MPa, elongation percentage 32%, -40 DEG C
Impact absorbing energy 127J, diffusible hydrogen content 5.7ml/100g.
Embodiment five
Medicine core material component: rutile 20Kg, quartz 4.5Kg, feldspar 1Kg, potassium fluoride 2Kg, rare earth niobium 3Kg, rare earth iridium
1Kg, magnesium powder 6Kg, aluminium vanadine 5Kg, low Carbon Manganese 4.5Kg, metallic nickel 0.3Kg, crome metal 0.9Kg, ferrotianium 2Kg, it is modified anhydrous poly-
Tetrafluoroethene 1Kg.
High tough crack arrest flux-cored wire preparation method:
(1) rutile, quartz, feldspar, aluminium vanadine are dried into 18h at 980 DEG C, 290 DEG C of drying times of other medicinal powder
18h,
Above-mentioned medicine core material after drying is mixed, stirs, it is stand-by medicinal powder must to be formulated.
(2) the carbon steel steel band of thickness 0.7mm, width 10mm are taken, then slitting cleans by cleaning solution, rolls U-type groove,
Step (1) medicinal powder is added in U-type groove, then closure, tube reducing, wire drawing, take-up are to get the welding wire.
Welding wire flux cored filler coefficient is 15.5%.
High-plastic high-ductility welding wire made from the present embodiment is used for test plate (panel) welding, welding current 250A, weldingvoltage 28V are protected
Protect gas CO2, measure welding deposited metal tensile strength be 690MPa, yield strength 535MPa, elongation percentage 29%, -40 DEG C
Impact absorbing energy 108J, diffusible hydrogen content 5.2ml/100g.
Comparative example 1
Formula: rutile 25Kg, quartz 4Kg, feldspar 1Kg, potassium fluoride 2Kg, rare earth niobium 0Kg, rare earth iridium 0Kg, magnesium powder
6Kg, aluminium vanadine 4Kg, low Carbon Manganese 4Kg, metallic nickel 0.3Kg, crome metal 0.8Kg, ferrotianium 2Kg.
Welding wire preparation:
(1) above-mentioned medicine core material is mixed, is sufficiently stirred, dries 12.5h at 820 DEG C, it is stand-by medicinal powder must be formulated.
(3) the carbon steel steel band of thickness 0.8mm, width 10mm are taken, then slitting cleans by cleaning solution, rolls U-type groove, will
Step (1) medicinal powder is added in U-type groove, and then closure, tube reducing, wire drawing, take-up are to get the welding wire.Welding wire flux cored filler
Coefficient is 15.5%.
High-plastic high-ductility welding wire made from the present embodiment is used for test plate (panel) welding, welding current 250A, weldingvoltage 28V are protected
Protect gas CO2, measure welding deposited metal tensile strength be 660MPa, yield strength 556MPa, elongation percentage 29%, -40 DEG C
Impact absorbing energy 38J, diffusible hydrogen content 7.2ml/100g.
Comparative example 2
Formula: rutile 25Kg, quartz 5Kg, feldspar 1Kg, potassium fluoride 2Kg, rare earth niobium 1Kg, rare earth iridium 0Kg, magnesium powder
6Kg, aluminium vanadine 4Kg, low Carbon Manganese 4Kg, metallic nickel 0.3Kg, crome metal 0.8Kg, ferrotianium 2Kg.
Welding wire preparation:
(1) above-mentioned medicine core material is mixed, is sufficiently stirred, is dried at 900 DEG C for 24 hours, it is stand-by medicinal powder must to be formulated.
(2) thickness 1 is taken.Then the carbon steel steel band of 0mm, width 14mm, slitting clean by cleaning solution, roll U-type groove, will
Step (1) medicinal powder is added in U-type groove, and then closure, tube reducing, wire drawing, take-up are to get the welding wire.Welding wire flux cored filler
Coefficient is 15.5%.
High-plastic high-ductility welding wire made from the present embodiment is used for test plate (panel) welding, welding current 250A, weldingvoltage 28V are protected
Protect gas CO2, measure welding deposited metal tensile strength be 680MPa, yield strength 566MPa, elongation percentage 30%, -40 DEG C
Impact absorbing energy 48J, diffusible hydrogen content 6.8ml/100g.
By can be seen that in addition to the rational proportion of a variety of materials in formula, rare earth niobium, rare earth iridium and modified anhydrous poly- four
The addition of vinyl fluoride has good effect to tensile strength, low-temperature impact toughness, secondly by raising drying temperature to reduction
The effect of deposited metal hydrogen content is obvious.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (5)
1. a kind of medicine core material with crack arrest characteristic, which is characterized in that the medicine core material by following mass fraction raw material
Composition: 20-30 parts of rutile, 2-6 parts of quartz, 1-4 parts of feldspar, 1-2 parts of potassium fluoride, 1-3 parts of rare earth niobium, 0.5-1 parts of rare earth iridium,
2-6 parts of magnesium powder, 3-5 parts of aluminium vanadine, 0.3-1 parts of metallic nickel, 0.6-1.2 parts of crome metal, 2-3 parts of ferrotianium, change by 3-5 parts of low Carbon Manganese
Property is polytetrafluoroethylene (PTFE) 1-4 parts anhydrous.
2. a kind of welding wire with crack arrest characteristic includes coating and medicine core, which is characterized in that the medicine core is by claim 1 institute
The medicine core material stated is made.
3. the welding wire according to claim 2 with crack arrest characteristic, which is characterized in that the medicine core is in the coating inner cavity
Interior fill factor is 14%-16%.
4. a kind of production method of welding wire described in claim 2, which is characterized in that comprise the following steps:
(1) it mixes, be sufficiently stirred after medicine core material each component being weighed respectively, dry, it is stand-by medicinal powder must to be formulated；
(2) the mild-carbon steel strip slitting by carbon element content less than or equal to 0.03, cleaning, then roll U-type groove, then will be in step (1)
The formula medicinal powder is added in U-type groove, and then closure, tube reducing, wire drawing, take-up are to get the welding wire.
5. production method according to claim 4, which is characterized in that rutile, quartz, feldspar, aluminium in the step (1)
The drying temperature of vanadine is 920 DEG C -980 DEG C, drying time 12-24h；The drying temperature of remaining ingredient is 270 DEG C -290 DEG C,
Drying time is 12-24h.
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| CN201910369828.7A CN110026709B (en) | 2019-05-06 | 2019-05-06 | Flux core material with crack arrest performance, welding wire and manufacturing method of welding wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625298A (en) * | 2019-11-06 | 2019-12-31 | 山东聚力焊接材料有限公司 | Welding wire flux-cored material with crack resistance and air hole resistance, welding wire and preparation method thereof |
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| CN101402161A (en) * | 2008-11-07 | 2009-04-08 | 山东大学 | Abrasive wear resistant weld deposit flux-cored wire |
| CN105149812A (en) * | 2015-09-29 | 2015-12-16 | 山东聚力焊接材料有限公司 | Alloy welding wire and manufacturing method thereof |
| EP3378594A1 (en) * | 2017-03-21 | 2018-09-26 | Nippon Steel & Sumikin Welding Co., Ltd. | Flux-cored wire for gas-shielded arc welding |
| CN109317866A (en) * | 2018-11-28 | 2019-02-12 | 山东聚力焊接材料有限公司 | A kind of production method of medicine core material and welding wire and the welding wire containing the medicine core material |
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2019
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|---|---|---|---|---|
| CN101402161A (en) * | 2008-11-07 | 2009-04-08 | 山东大学 | Abrasive wear resistant weld deposit flux-cored wire |
| CN105149812A (en) * | 2015-09-29 | 2015-12-16 | 山东聚力焊接材料有限公司 | Alloy welding wire and manufacturing method thereof |
| EP3378594A1 (en) * | 2017-03-21 | 2018-09-26 | Nippon Steel & Sumikin Welding Co., Ltd. | Flux-cored wire for gas-shielded arc welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110625298A (en) * | 2019-11-06 | 2019-12-31 | 山东聚力焊接材料有限公司 | Welding wire flux-cored material with crack resistance and air hole resistance, welding wire and preparation method thereof |
| CN110625298B (en) * | 2019-11-06 | 2021-07-27 | 山东聚力焊接材料有限公司 | Welding wire flux-cored material with crack resistance and air hole resistance, welding wire and preparation method thereof |
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| CN110026709B (en) | 2021-06-29 |
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Denomination of invention: The invention relates to a flux core material and a welding wire with crack arrest performance and a manufacturing method of the welding wire Effective date of registration: 20211126 Granted publication date: 20210629 Pledgee: Agricultural Bank of China Limited Dezhou Economic and Technological Development Zone sub branch Pledgor: Shandong Juli Welding Material Co.,Ltd. Registration number: Y2021980013431 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |