CN107127472A - A kind of flux-cored wire with excellent wetting and spreading and preparation method thereof - Google Patents
A kind of flux-cored wire with excellent wetting and spreading and preparation method thereof Download PDFInfo
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- CN107127472A CN107127472A CN201710338851.0A CN201710338851A CN107127472A CN 107127472 A CN107127472 A CN 107127472A CN 201710338851 A CN201710338851 A CN 201710338851A CN 107127472 A CN107127472 A CN 107127472A
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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
- B23K35/24—Selection of soldering or welding materials proper
-
- 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
-
- 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
- B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
-
- 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 invention discloses a kind of flux-cored wire with excellent wetting and spreading, including welding wire body, the welding wire body includes the first drug core layer, the first weldering cortex, the second drug core layer and the second weldering cortex；Wherein：The raw material of first drug core layer is mixed by FeSi45 and FeS；First weldering cortex is composed of the following components：Magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour, surplus are aluminium powder；The raw material of second drug core layer includes：Iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium ingot, manganese ingot, carbon dust, boron powder, titanium valve, sulphur powder and phosphorus powder.The present invention also proposes a kind of preparation method of above-mentioned flux-cored wire with excellent wetting and spreading.Welding wire is prepared in actual welding operation is applied to, resulting weld part has on the basis of excellent intensity, wearability and toughness, also with excellent wetting and spreading.
Description
Technical field
The present invention relates to technical field, more particularly to a kind of flux-cored wire and its preparation side with excellent wetting and spreading
Method.
Background technology
Hot forging pressing mold will be repaired to mold cavity afterwards using thousands of times.Mould after reparation can reach even
More than the usage cycles before reparation.Domestic progress hot-forging mould reparation mainly uses surfacing welding at present, less efficient.Adopt
Repaired with flux-cored wire, it is possible to achieve continuous welding, improve production efficiency.The welding slag of flux-cored wire is far less than the weldering of welding rod
Slag, improves deposition rate, reduces the workload of scarfing cinder.But current flux-cored wire is mostly the medicine core weldering of medicine core and weldering skin composition
Silk, it is on the basis of with certain degree of hardness, wear-resisting and toughness, and its wetting and spreading can not meet requirement of the prior art.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of medicine core with excellent wetting and spreading
Welding wire and preparation method thereof, prepares welding wire in actual welding operation is applied to, resulting weld part has excellent
On the basis of intensity, wearability and toughness, also with excellent wetting and spreading.
A kind of flux-cored wire with excellent wetting and spreading proposed by the present invention, including welding wire body, the welding wire sheet
Body includes the first drug core layer, the first weldering cortex, the second drug core layer and the second weldering cortex；Provided with the at the axle center of the welding wire body
One drug core layer, the periphery of first drug core layer is provided with the first weldering cortex, and the first weldering cortex is away from the first drug core layer
Periphery is provided with the second drug core layer, and periphery of second drug core layer away from the first weldering cortex is provided with the second weldering cortex；
Wherein：The raw material of first drug core layer is mixed by FeSi45 and FeS；
First weldering cortex is composed of the following components by mass percentage：Magnesium powder 1.0-1.8%, manganese powder 0.20-0.70%, zinc
Powder 4.0-5.0%, copper powder 0.05-0.15%, iron powder 0.2-0.6%, silica flour 0.15-0.55%, surplus is aluminium powder；
The raw material of second drug core layer includes by weight：21-26 parts of iron powder, 4-8 parts of vanadium powder, 3-9 parts of molybdenum powder, chromium powder 2-5
Part, 1-4 parts of silica flour, 0.3-0.6 parts of lanthanum ingot, 0.1-0.3 parts of niobium ingot, 0.5-1.5 parts of manganese ingot, 2-5 parts of carbon dust, 1-4 parts of boron powder, titanium
3-5 parts of powder, 0.05-0.15 parts of sulphur powder, 0.01-0.03 parts of phosphorus powder.
Preferably, the loading of flux-cored wire is controlled in 18-20%.
Preferably, the second weldering cortex is copper belt.
Preferably, the raw material of the first drug core layer is by FeSi45 and FeS 3-15 by weight：0.2-0.8 is mixed.
A kind of preparation method of flux-cored wire with excellent wetting and spreading of the present invention, comprises the following steps：
S1, FeSi45 and FeS be put into ball mill, the first well mixed drug core layer obtained after ball milling 7-9h, then
In vacuum furnace, 180-220 DEG C is warming up to, 1-3h is incubated, the crystallization water in medicinal powder is removed；
S2, magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour and aluminium powder at 720-750 DEG C be melted into aluminium alloy,
740-760 DEG C of progress refinery by de-gassing, insulation is carried out at 730-740 DEG C and stands 30-50min, casting obtains ingot casting, then by ingot casting
Carry out cooling down after hot rolling after water cooling, then carry out artificial aging and obtain the weldering cortex of sheet first；
S3, by flux-cored wire producing machine the first well mixed drug core layer is wrapped in the first weldering cortex, first
Drawing mould aperture is 1.5mm；
After S4, drawing are finished, mould aperture shift to successively 1.4mm, 1.32mm, 1.25mm, 1.15mm, 1.05mm,
0.95mm, final drawing flux-cored wire to a diameter of 0.9mm, then by iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium
Ingot, manganese ingot, carbon dust, boron powder, titanium valve, sulphur powder and phosphorus powder are put into ball mill, and the second well mixed medicine is obtained after ball milling 3-5h
Sandwich layer, then in vacuum furnace, is warming up to 250-350 DEG C, is incubated 0.5-1.5h, remove the crystallization water in medicinal powder, and lead to
Cross flux-cored wire producing machine to be wrapped between the first weldering cortex and the second weldering cortex the second drug core layer, second drawing mould hole
Footpath is 1.5mm, after drawing is finished, and mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, final drawing medicine core successively
Welding wire is to a diameter of 1.1mm.
Preferably, in S2, water temperature is used to carry out water cooling to the ingot casting that casting is formed for 30-40 DEG C of cooling water.
Preferably, in S2, the hydraulic pressure of cooling water is more than 4pa in ingot casting Cooling Process.
Preferably, in S2, in course of hot rolling, it is 430-460 DEG C that ingot casting, which enters to roll temperature, and finishing temperature is more than 380 DEG C, hot rolling
After water cooling, shaft-like aluminium alloy temperature is less than 85 DEG C.
The present invention flux-cored wire by by welding wire body be set to the first drug core layer, first weldering cortex, the second drug core layer and
Second weldering cortex composition, wraps up by setting multilayer welding sandwich layer, and by multilayer welding cortex, obtains flux-cored wire when in use,
The wetting and spreading of weld part more preferably, is mixed by a certain percentage wherein the first drug core layer is employed by FeSi45 and FeS, its
In, surface active element can significantly reduce the surface tension of liquid metal, so as to weld the excessive shape of drop in modified welding process
Formula, influences the wetting and spreading of welding metal, ultimately forms the weld seam of different geometric shapes.Although the FeSi45 added in medicine core
And surface active element Si and S contained in contained molten drop does not cause mode of metal transfer by big in FeS, but liquid droplets
Drop transition is project transfer, when the mode of metal transfer of metal core welding wire is globular transfer, what molten drop was heated by the electric arc simultaneously
Time is longer, and droplet entropy is larger, so that advantageously in the formation preferable weld seam of spreadability.Control first weld cortex in magnesium,
Manganese, zinc, copper, iron, the proportioning of silicon and aluminium each element, the first obtained weldering cortex are wrapped in the periphery of the first drug core layer, can be true
Protect in two sections of welding procedures so that weld part obtains more excellent wetting and spreading performance.Second drug core layer is wrapped in
Between one weldering skin and the second weldering skin, iron, vanadium, molybdenum, chromium, silicon, lanthanum, niobium, manganese, carbon, boron, titanium, sulphur in the second drug core layer are rationally controlled
With the proportioning of P elements so that in first paragraph welding procedure so that weld part obtains more excellent toughness and intensity,
Improve the intensity of weld part matrix.Obtained two-part weld part is welded by two-part, is ensureing that it is excellent tough that it has
On the basis of property and intensity, with excellent wetting and spreading.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the medicine core weldering with excellent wetting and spreading proposed by the present invention；
In figure, 1, welding wire body；2nd, the first drug core layer；3rd, the first weldering cortex；4th, the second drug core layer；5th, the second weldering cortex.
Embodiment
The present invention is described in detail with reference to specific embodiment, it should be appreciated that embodiment is served only for illustrating this hair
It is bright, rather than for limiting the invention, any modification made on the basis of the present invention, equivalent substitution etc. are in this hair
In bright protection domain.
Embodiment 1
Reference picture 1, a kind of flux-cored wire with excellent wetting and spreading of the invention, including welding wire body 1, the weldering
Silk body 1 includes the first drug core layer 2, first weldering cortex 3, the second drug core layer 4 and the second weldering cortex 5；The axle of the welding wire body 1
The first drug core layer 2 is provided with the heart, the periphery of first drug core layer 2 is provided with the first weldering cortex 3, and the first weldering cortex 3 is remote
Periphery from the first drug core layer 2 is provided with the second drug core layer 4, and periphery of second drug core layer 4 away from the first weldering cortex 3 is provided with the
Two weldering cortexes 5；
Wherein：The raw material of first drug core layer 2 is by FeSi45 and FeS by weight 9：0.5 mixes；
First weldering cortex 3 is composed of the following components by mass percentage：Magnesium powder 1.4%, manganese powder 0.45%, zinc powder 4.5%,
Copper powder 0.10%, iron powder 0.4%, silica flour 0.35%, surplus is aluminium powder；
The raw material of second drug core layer 4 includes by weight：23.5 parts of iron powder, 6 parts of vanadium powder, 6 parts of molybdenum powder, 3.5 parts of chromium powder, silicon
2.5 parts of powder, 0.45 part of lanthanum ingot, 0.2 part of niobium ingot, 1.0 parts of manganese ingot, 3.5 parts of carbon dust, 2.5 parts of boron powder, 4 parts of titanium valve, sulphur powder 0.10
Part, 0.02 part of phosphorus powder.
Wherein, the loading of flux-cored wire is controlled 19%.
Wherein, the second weldering cortex 5 is copper belt.
A kind of preparation method of flux-cored wire with excellent wetting and spreading of the present invention, comprises the following steps：
S1, FeSi45 and FeS be put into ball mill, the first well mixed drug core layer 2, Ran Houyu is obtained after ball milling 8h
In vacuum furnace, 200 DEG C are warming up to, 2h is incubated, the crystallization water in medicinal powder is removed；
S2, magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour and aluminium powder at 735 DEG C be melted into aluminium alloy, entered at 750 DEG C
Row refinery by de-gassing, insulation is carried out at 735 DEG C and stands 40min, casting obtains ingot casting, then will be carried out after ingot casting water cooling cold after hot rolling
But, then carry out artificial aging and obtain the weldering cortex 3 of sheet first；
S3, by flux-cored wire producing machine the first well mixed drug core layer 2 is wrapped in the first weldering cortex 3, first
Road drawing mould aperture is 1.5mm；
After S4, drawing are finished, mould aperture shift to successively 1.4mm, 1.32mm, 1.25mm, 1.15mm, 1.05mm,
0.95mm, final drawing flux-cored wire to a diameter of 0.9mm, then by iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium
Ingot, manganese ingot, carbon dust, boron powder, titanium valve, sulphur powder and phosphorus powder are put into ball mill, and the second well mixed medicine core is obtained after ball milling 4h
Layer 4, then in vacuum furnace, is warming up to 300 DEG C, is incubated 1.0h, remove the crystallization water in medicinal powder, and pass through flux-cored wire
Wire producing machine is wrapped in the second drug core layer 4 between first weldering cortex 3 and the second weldering cortex 5, and second drawing mould aperture is
1.5mm, after drawing is finished, mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, final drawing flux-cored wire successively
To a diameter of 1.1mm.
In S2, water temperature is used to carry out water cooling to the ingot casting that casting is formed for 35 DEG C of cooling water.
In S2, the hydraulic pressure of cooling water is 5pa in ingot casting Cooling Process.
In S2, in course of hot rolling, ingot casting enters to roll temperature for 445 DEG C, after finishing temperature is 390 DEG C, hot rolling water cooling, shaft-like aluminium
Alloy temperature is 80 DEG C.
Embodiment 2
Reference picture 1, a kind of flux-cored wire with excellent wetting and spreading of the invention, including welding wire body 1, the weldering
Silk body 1 includes the first drug core layer 2, first weldering cortex 3, the second drug core layer 4 and the second weldering cortex 5；The axle of the welding wire body 1
The first drug core layer 2 is provided with the heart, the periphery of first drug core layer 2 is provided with the first weldering cortex 3, and the first weldering cortex 3 is remote
Periphery from the first drug core layer 2 is provided with the second drug core layer 4, and periphery of second drug core layer 4 away from the first weldering cortex 3 is provided with the
Two weldering cortexes 5；
Wherein：The raw material of first drug core layer 2 is by FeSi45 and FeS by weight 3：0.8 mixes；
First weldering cortex 3 is composed of the following components by mass percentage：Magnesium powder 1.0%, manganese powder 0.70%, zinc powder 4.0%,
Copper powder 0.15%, iron powder 0.2%, silica flour 0.55%, surplus is aluminium powder；
The raw material of second drug core layer 4 includes by weight：21 parts of iron powder, 8 parts of vanadium powder, 3 parts of molybdenum powder, 5 parts of chromium powder, silica flour 1
Part, 0.6 part of lanthanum ingot, 0.1 part of niobium ingot, 1.5 parts of manganese ingot, 2 parts of carbon dust, 4 parts of boron powder, 3 parts of titanium valve, 0.15 part of sulphur powder, phosphorus powder 0.01
Part.
Wherein, the loading of flux-cored wire is controlled 18%.
Wherein, the second weldering cortex 5 is copper belt.
A kind of preparation method of flux-cored wire with excellent wetting and spreading of the present invention, comprises the following steps：
S1, FeSi45 and FeS be put into ball mill, the first well mixed drug core layer 2, Ran Houyu is obtained after ball milling 7h
In vacuum furnace, 220 DEG C are warming up to, 1h is incubated, the crystallization water in medicinal powder is removed；
S2, magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour and aluminium powder at 750 DEG C be melted into aluminium alloy, entered at 740 DEG C
Row refinery by de-gassing, insulation is carried out at 740 DEG C and stands 30min, casting obtains ingot casting, then will be carried out after ingot casting water cooling cold after hot rolling
But, then carry out artificial aging and obtain the weldering cortex 3 of sheet first；
S3, by flux-cored wire producing machine the first well mixed drug core layer 2 is wrapped in the first weldering cortex 3, first
Road drawing mould aperture is 1.5mm；
After S4, drawing are finished, mould aperture shift to successively 1.4mm, 1.32mm, 1.25mm, 1.15mm, 1.05mm,
0.95mm, final drawing flux-cored wire to a diameter of 0.9mm, then by iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium
Ingot, manganese ingot, carbon dust, boron powder, titanium valve, sulphur powder and phosphorus powder are put into ball mill, and the second well mixed medicine is obtained after ball milling 3-5h
Sandwich layer 4, then in vacuum furnace, is warming up to 250 DEG C, is incubated 1.5h, remove the crystallization water in medicinal powder, and weld by medicine core
Silk wire producing machine is wrapped in the second drug core layer 4 between first weldering cortex 3 and the second weldering cortex 5, and second drawing mould aperture is
1.5mm, after drawing is finished, mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, final drawing flux-cored wire successively
To a diameter of 1.1mm.
In S2, water temperature is used to carry out water cooling to the ingot casting that casting is formed for 30 DEG C of cooling water.
In S2, the hydraulic pressure of cooling water is 6pa in ingot casting Cooling Process.
In S2, in course of hot rolling, ingot casting enters to roll temperature for 430 DEG C, after finishing temperature is 390 DEG C, hot rolling water cooling, shaft-like aluminium
Alloy temperature is 80 DEG C.
Embodiment 3
Reference picture 1, a kind of flux-cored wire with excellent wetting and spreading of the invention, including welding wire body 1, the weldering
Silk body 1 includes the first drug core layer 2, first weldering cortex 3, the second drug core layer 4 and the second weldering cortex 5；The axle of the welding wire body 1
The first drug core layer 2 is provided with the heart, the periphery of first drug core layer 2 is provided with the first weldering cortex 3, and the first weldering cortex 3 is remote
Periphery from the first drug core layer 2 is provided with the second drug core layer 4, and periphery of second drug core layer 4 away from the first weldering cortex 3 is provided with the
Two weldering cortexes 5；
Wherein：The raw material of first drug core layer 2 is by FeSi45 and FeS by weight 15：0.2 mixes；
First weldering cortex 3 is composed of the following components by mass percentage：Magnesium powder 1.8%, manganese powder 0.20%, zinc powder 5.0%,
Copper powder 0.05%, iron powder 0.6%, silica flour 0.15%, surplus is aluminium powder；
The raw material of second drug core layer 4 includes by weight：26 parts of iron powder, 4 parts of vanadium powder, 9 parts of molybdenum powder, 2 parts of chromium powder, silica flour 4
Part, 0.3 part of lanthanum ingot, 0.3 part of niobium ingot, 0.5 part of manganese ingot, 5 parts of carbon dust, 1 part of boron powder, 5 parts of titanium valve, 0.05 part of sulphur powder, phosphorus powder 0.03
Part.
Wherein, the loading of flux-cored wire is controlled 20%.
Wherein, the second weldering cortex 5 is copper belt.
A kind of preparation method of flux-cored wire with excellent wetting and spreading of the present invention, comprises the following steps：
S1, FeSi45 and FeS be put into ball mill, the first well mixed drug core layer 2, Ran Houyu is obtained after ball milling 9h
In vacuum furnace, 180 DEG C are warming up to, 3h is incubated, the crystallization water in medicinal powder is removed；
S2, magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour and aluminium powder at 720 DEG C be melted into aluminium alloy, entered at 760 DEG C
Row refinery by de-gassing, insulation is carried out at 730 DEG C and stands 50min, casting obtains ingot casting, then will be carried out after ingot casting water cooling cold after hot rolling
But, then carry out artificial aging and obtain the weldering cortex 3 of sheet first；
S3, by flux-cored wire producing machine the first well mixed drug core layer 2 is wrapped in the first weldering cortex 3, first
Road drawing mould aperture is 1.5mm；
After S4, drawing are finished, mould aperture shift to successively 1.4mm, 1.32mm, 1.25mm, 1.15mm, 1.05mm,
0.95mm, final drawing flux-cored wire to a diameter of 0.9mm, then by iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium
Ingot, manganese ingot, carbon dust, boron powder, titanium valve, sulphur powder and phosphorus powder are put into ball mill, and the second well mixed medicine core is obtained after ball milling 5h
Layer 4, then in vacuum furnace, is warming up to 250 DEG C, is incubated 1.5h, remove the crystallization water in medicinal powder, and pass through flux-cored wire
Wire producing machine is wrapped in the second drug core layer 4 between first weldering cortex 3 and the second weldering cortex 5, and second drawing mould aperture is
1.5mm, after drawing is finished, mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, final drawing flux-cored wire successively
To a diameter of 1.1mm.
In S2, water temperature is used to carry out water cooling to the ingot casting that casting is formed for 30 DEG C of cooling water.
In S2, the hydraulic pressure of cooling water is 4.6pa in ingot casting Cooling Process.
In S2, in course of hot rolling, ingot casting enters to roll temperature for 460 DEG C, after finishing temperature is 385 DEG C, hot rolling water cooling, shaft-like aluminium
Alloy temperature is 84 DEG C.
Embodiment 4
Reference picture 1, a kind of flux-cored wire with excellent wetting and spreading of the invention, including welding wire body 1, the weldering
Silk body 1 includes the first drug core layer 2, first weldering cortex 3, the second drug core layer 4 and the second weldering cortex 5；The axle of the welding wire body 1
The first drug core layer 2 is provided with the heart, the periphery of first drug core layer 2 is provided with the first weldering cortex 3, and the first weldering cortex 3 is remote
Periphery from the first drug core layer 2 is provided with the second drug core layer 4, and periphery of second drug core layer 4 away from the first weldering cortex 3 is provided with the
Two weldering cortexes 5；
Wherein：The raw material of first drug core layer 2 is by FeSi45 and FeS by weight 4：0.7 mixes；
First weldering cortex 3 is composed of the following components by mass percentage：Magnesium powder 1.1-1.7%, manganese powder 0.25-0.65%,
Zinc powder 4.2-4.8%, copper powder 0.08-0.12%, iron powder 0.3-0.5%, silica flour 0.18-0.52%, surplus is aluminium powder；
The raw material of second drug core layer 4 includes by weight：22 parts of iron powder, 7 parts of vanadium powder, 4 parts of molybdenum powder, 4 parts of chromium powder, silica flour 2
Part, 0.5 part of lanthanum ingot, 0.15 part of niobium ingot, 1.2 parts of manganese ingot, 3 parts of carbon dust, 3 parts of boron powder, 3.5 parts of titanium valve, 0.12 part of sulphur powder, phosphorus powder
0.015 part.
Wherein, the loading of flux-cored wire is controlled 18.5%.
Wherein, the second weldering cortex 5 is copper belt.
A kind of preparation method of flux-cored wire with excellent wetting and spreading of the present invention, comprises the following steps：
S1, FeSi45 and FeS be put into ball mill, the first well mixed drug core layer 2 obtained after ball milling 7.5h, then
In vacuum furnace, 215 DEG C are warming up to, 1.5h is incubated, the crystallization water in medicinal powder is removed；
S2, magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour and aluminium powder at 745 DEG C be melted into aluminium alloy, entered at 745 DEG C
Row refinery by de-gassing, insulation is carried out at 738 DEG C and stands 35min, casting obtains ingot casting, then will be carried out after ingot casting water cooling cold after hot rolling
But, then carry out artificial aging and obtain the weldering cortex 3 of sheet first；
S3, by flux-cored wire producing machine the first well mixed drug core layer 2 is wrapped in the first weldering cortex 3, first
Road drawing mould aperture is 1.5mm；
After S4, drawing are finished, mould aperture shift to successively 1.4mm, 1.32mm, 1.25mm, 1.15mm, 1.05mm,
0.95mm, final drawing flux-cored wire to a diameter of 0.9mm, then by iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium
Ingot, manganese ingot, carbon dust, boron powder, titanium valve, sulphur powder and phosphorus powder are put into ball mill, and the second well mixed medicine is obtained after ball milling 3.5h
Sandwich layer 4, then in vacuum furnace, is warming up to 345 DEG C, is incubated 0.8h, remove the crystallization water in medicinal powder, and weld by medicine core
Silk wire producing machine is wrapped in the second drug core layer 4 between first weldering cortex 3 and the second weldering cortex 5, and second drawing mould aperture is
1.5mm, after drawing is finished, mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, final drawing flux-cored wire successively
To a diameter of 1.1mm.
In S2, water temperature is used to carry out water cooling to the ingot casting that casting is formed for 32 DEG C of cooling water.
In S2, the hydraulic pressure of cooling water is 6pa in ingot casting Cooling Process.
In S2, in course of hot rolling, ingot casting enters to roll temperature for 435 DEG C, after finishing temperature is 392 DEG C, hot rolling water cooling, shaft-like aluminium
Alloy temperature is 73 DEG C.
Embodiment 5
Reference picture 1, a kind of flux-cored wire with excellent wetting and spreading of the invention, including welding wire body 1, the weldering
Silk body 1 includes the first drug core layer 2, first weldering cortex 3, the second drug core layer 4 and the second weldering cortex 5；The axle of the welding wire body 1
The first drug core layer 2 is provided with the heart, the periphery of first drug core layer 2 is provided with the first weldering cortex 3, and the first weldering cortex 3 is remote
Periphery from the first drug core layer 2 is provided with the second drug core layer 4, and periphery of second drug core layer 4 away from the first weldering cortex 3 is provided with the
Two weldering cortexes 5；
Wherein：The raw material of first drug core layer 2 is by FeSi45 and FeS by weight 14：0.3 mixes；
First weldering cortex 3 is composed of the following components by mass percentage：Magnesium powder 1.7%, manganese powder 0.25%, zinc powder 4.8%,
Copper powder 0.08%, iron powder 0.5%, silica flour 0.18%, surplus is aluminium powder；
The raw material of second drug core layer 4 includes by weight：25 parts of iron powder, 5 parts of vanadium powder, 8 parts of molybdenum powder, 3 parts of chromium powder, silica flour 3
Part, 0.4 part of lanthanum ingot, 0.25 part of niobium ingot, 0.8 part of manganese ingot, 4 parts of carbon dust, 2 parts of boron powder, 4.5 parts of titanium valve, 0.08 part of sulphur powder, phosphorus powder
0.025 part.
Wherein, the loading of flux-cored wire is controlled 19.5%.
Wherein, the second weldering cortex 5 is copper belt.
A kind of preparation method of flux-cored wire with excellent wetting and spreading of the present invention, comprises the following steps：
S1, FeSi45 and FeS be put into ball mill, the first well mixed drug core layer 2 obtained after ball milling 8.5h, then
In vacuum furnace, 185 DEG C are warming up to, 2.5h is incubated, the crystallization water in medicinal powder is removed；
S2, magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour and aluminium powder at 725 DEG C be melted into aluminium alloy, entered at 755 DEG C
Row refinery by de-gassing, insulation is carried out at 732 DEG C and stands 45min, casting obtains ingot casting, then will be carried out after ingot casting water cooling cold after hot rolling
But, then carry out artificial aging and obtain the weldering cortex 3 of sheet first；
S3, by flux-cored wire producing machine the first well mixed drug core layer 2 is wrapped in the first weldering cortex 3, first
Road drawing mould aperture is 1.5mm；
After S4, drawing are finished, mould aperture shift to successively 1.4mm, 1.32mm, 1.25mm, 1.15mm, 1.05mm,
0.95mm, final drawing flux-cored wire to a diameter of 0.9mm, then by iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium
Ingot, manganese ingot, carbon dust, boron powder, titanium valve, sulphur powder and phosphorus powder are put into ball mill, and the second well mixed medicine is obtained after ball milling 3.5h
Sandwich layer 4, then in vacuum furnace, is warming up to 345 DEG C, is incubated 0.8h, remove the crystallization water in medicinal powder, and weld by medicine core
Silk wire producing machine is wrapped in the second drug core layer 4 between first weldering cortex 3 and the second weldering cortex 5, and second drawing mould aperture is
1.5mm, after drawing is finished, mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, final drawing flux-cored wire successively
To a diameter of 1.1mm.
In S2, water temperature is used to carry out water cooling to the ingot casting that casting is formed for 38 DEG C of cooling water.
In S2, the hydraulic pressure of cooling water is 7pa in ingot casting Cooling Process.
In S2, in course of hot rolling, ingot casting enters to roll temperature for 455 DEG C, after finishing temperature is 391 DEG C, hot rolling water cooling, shaft-like aluminium
Alloy temperature is 74 DEG C.
The flux-cored wire with excellent wetting and spreading prepared in 1- of embodiment of the present invention embodiments 5 is carried out real
In the welding sequence on border, and weld part progressive can be detected, obtained detection data are as shown in table 1.
Table 1：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of flux-cored wire with excellent wetting and spreading, it is characterised in that including welding wire body (1), the welding wire sheet
Body (1) includes the first drug core layer (2), the first weldering cortex (3), the second drug core layer (4) and the second weldering cortex (5)；The welding wire sheet
The first drug core layer (2) is provided with the axle center of body (1), the periphery of first drug core layer (2) is provided with the first weldering cortex (3), institute
State periphery of the first weldering cortex (3) away from the first drug core layer (2) and be provided with the second drug core layer (4), second drug core layer (4) is remote
The periphery of first weldering cortex (3) is provided with the second weldering cortex (5)；
Wherein：The raw material of first drug core layer (2) is mixed by FeSi45 and FeS；
First weldering cortex (3) is composed of the following components by mass percentage：Magnesium powder 1.0-1.8%, manganese powder 0.20-0.70%, zinc
Powder 4.0-5.0%, copper powder 0.05-0.15%, iron powder 0.2-0.6%, silica flour 0.15-0.55%, surplus is aluminium powder；
The raw material of second drug core layer (4) includes by weight：21-26 parts of iron powder, 4-8 parts of vanadium powder, 3-9 parts of molybdenum powder, chromium powder 2-5
Part, 1-4 parts of silica flour, 0.3-0.6 parts of lanthanum ingot, 0.1-0.3 parts of niobium ingot, 0.5-1.5 parts of manganese ingot, 2-5 parts of carbon dust, 1-4 parts of boron powder, titanium
3-5 parts of powder, 0.05-0.15 parts of sulphur powder, 0.01-0.03 parts of phosphorus powder.
2. the flux-cored wire according to claim 1 with excellent wetting and spreading, it is characterised in that flux-cored wire is filled out
Charge is controlled in 18-20%.
3. the flux-cored wire according to claim 1 or 2 with excellent wetting and spreading, it is characterised in that described second
It is copper belt to weld cortex (5).
4. the flux-cored wire with excellent wetting and spreading according to claim any one of 1-3, it is characterised in that first
The raw material of drug core layer (2) is by FeSi45 and FeS by weight 3-15：0.2-0.8 is mixed.
5. a kind of preparation method of flux-cored wire with excellent wetting and spreading according to claim any one of 1-4,
It is characterised in that it includes following steps：
S1, FeSi45 and FeS be put into ball mill, well mixed the first drug core layer (2), Ran Houyu are obtained after ball milling 7-9h
In vacuum furnace, 180-220 DEG C is warming up to, 1-3h is incubated, the crystallization water in medicinal powder is removed；
S2, magnesium powder, manganese powder, zinc powder, copper powder, iron powder, silica flour and aluminium powder at 720-750 DEG C be melted into aluminium alloy, in 740-760
DEG C carry out refinery by de-gassing, 730-740 DEG C carry out insulation stand 30-50min, casting obtain ingot casting, then by after ingot casting water cooling
Hot roller repairing is carried out, artificial aging is then carried out and obtains the weldering cortex of sheet first (3)；
S3, by flux-cored wire producing machine well mixed the first drug core layer (2) is wrapped in the first weldering cortex (3), first
Road drawing mould aperture is 1.5mm；
After S4, drawing are finished, mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, 1.05mm, 0.95mm successively, most
Whole drawing flux-cored wire is to a diameter of 0.9mm, then by iron powder, vanadium powder, molybdenum powder, chromium powder, silica flour, lanthanum ingot, niobium ingot, manganese ingot, carbon
Powder, boron powder, titanium valve, sulphur powder and phosphorus powder are put into ball mill, well mixed the second drug core layer (4) are obtained after ball milling 3-5h, so
After in vacuum furnace, being warming up to 250-350 DEG C, 0.5-1.5h is incubated, the crystallization water in medicinal powder is removed, and weld by medicine core
Silk wire producing machine is wrapped in the second drug core layer (4) between the first weldering cortex (3) and the second weldering cortex (5), second drawing mould
Aperture is 1.5mm, after drawing is finished, and mould aperture shifts to 1.4mm, 1.32mm, 1.25mm, 1.15mm, final drawing medicine successively
Core welding wire is to a diameter of 1.1mm.
6. the preparation method of the flux-cored wire according to claim 5 with excellent wetting and spreading, it is characterised in that S2
In, use water temperature to carry out water cooling to the ingot casting that casting is formed for 30-40 DEG C of cooling water.
7. the preparation method of the flux-cored wire with excellent wetting and spreading according to claim 5 or 6, its feature exists
In in S2, the hydraulic pressure of cooling water is more than 4pa in ingot casting Cooling Process.
8. the preparation method of the flux-cored wire with excellent wetting and spreading according to claim any one of 5-7, it is special
Levy and be, in S2, in course of hot rolling, it is 430-460 DEG C that ingot casting, which enters to roll temperature, and finishing temperature is more than after 380 DEG C, hot rolling water cooling,
Shaft-like aluminium alloy temperature is less than 85 DEG C.
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| PL424391A1 (en) * | 2018-01-26 | 2019-07-29 | Politechnika Śląska | Cast iron powder core, preferably for producing layers resistant to corrosion and abrasive wear |
| CN112440026A (en) * | 2020-11-10 | 2021-03-05 | 鄂尔多斯市特种设备检验所 | Modified austenitic stainless steel surfacing welding electrode and preparation method thereof |
| CN115464301A (en) * | 2022-10-08 | 2022-12-13 | 山东森峰激光装备有限公司 | Flux-cored wire for laser-arc hybrid welding of high-nitrogen steel |
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| CN115464301A (en) * | 2022-10-08 | 2022-12-13 | 山东森峰激光装备有限公司 | Flux-cored wire for laser-arc hybrid welding of high-nitrogen steel |
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Application publication date: 20170905 |