CN109487307A - A kind of zinc-coated wire and preparation method thereof - Google Patents
A kind of zinc-coated wire and preparation method thereof Download PDFInfo
- Publication number
- CN109487307A CN109487307A CN201811619434.4A CN201811619434A CN109487307A CN 109487307 A CN109487307 A CN 109487307A CN 201811619434 A CN201811619434 A CN 201811619434A CN 109487307 A CN109487307 A CN 109487307A
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- wire
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- zinc
- alloy
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0607—Wires
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Coating With Molten Metal (AREA)
Abstract
The present invention relates to a kind of zinc-coated wires and preparation method thereof, the zinc-coated wire has the wire as matrix, the periphery of the wire has electro-galvanized layer, has the Fe-Zn alloy-layer formed by heat diffusion treatment on the interface between the matrix and electro-galvanized layer of wire.The present invention is by carrying out heat diffusion treatment to the electro-galvanized layer on wire, Fe-Zn alloy-layer is formed on interface between the matrix and electro-galvanized layer of wire, not only improve the binding force of metal wire base and electro-galvanized layer, and the presence of the alloy-layer has beneficial to reducing the electro-galvanized layer loss and surface defect that wire generates during the drawing process, the resistance to corrosion of electro-galvanized layer is also improved simultaneously, finally realizes the purpose of the fatigue life and resistance to corrosion of improving zinc-coated wire.
Description
Technical field
The present invention relates to a kind of galvanized steels suitable for wirerope used in the corrosion resistant elevator of highly anti-fatigue and general suspender
Silk and preparation method thereof.
Background technique
Steel-wire galvanizing is commonly used in Steel Wire Products Industry, but since hot dip galvanizing process process can make steel wire after cold drawing
Under normal conditions, mechanical property reduces (the tensile strength decline 14%~16.5%, torsion and bending decline about 20% of steel wire
~25%), thus such as diameter > 2.0mm is again limited, tensile strength > 1670MPa grade or higher intensity grade important use
The production of AB class, A class steel wire.The also bethanized wire applied on zinc-coated wire simultaneously, is commonly called as cold plating, electrogalvanizing produced
The case where just there is no intensity declines in journey, and the uniformity of coating is good, but the combination of its coating and matrix is slightly worse, is not former
The combination of sub- grade.It is uniform that zinc coating is electroplated, hot galvanizing can be coated with thicker zinc layers, and corrosion resistance is high.How two are compatible with
Person's advantage, can obtain that binding force of cladding material is good, and loss of strength is few, and coating uniformity is good, and can improve corrosion resistance, drawing property
Good zinc-coated wire is the direction of process improving.
Now widely used galvanized metal silk is the smooth circular configuration in surface, and surface is coated with zinc layers, raw in wirerope
By winding or being twisted into rope during producing, current hot galvanizing and galvanizing technique are all being applied.According to patent
Described in CN201310730602, powder zincing method can be used for steel product and obtain diffusion zinc coat on surface, by zincizing
Agent and steel product are heated to 400 DEG C or so, realize and form zinc-iron intermetallic compound on steel product surface layer, i.e. diffusion zincizing
Coating.The diffusion zinc coat is mainly made of zinc-iron alloy, has secured, fine and close, smooth, thickness uniform properties, corrosion resistance
It is substantially better than plating, dip galvanized.But for galvanized metal silk, because wire itself is very thin, and in high speed manufacturing processes
In be difficult to be applied using this mode, yet there are no to reach and form the prominent of uniform diffusion zinc-iron alloy layer on wire surface layer
It is broken.
Summary of the invention
The technical problem to be solved by the present invention is the present invention provides a kind of zinc-plated in order to overcome the deficiencies in the existing technology
Steel wire and preparation method thereof, to solve the problems, such as to be decreased obviously because of interface binding power brought by galvanizing technique,
The technical solution adopted by the present invention to solve the technical problems is: a kind of zinc-coated wire, has the gold as matrix
Belong to silk, the periphery of the wire has electro-galvanized layer, has on the interface between the matrix and electro-galvanized layer of wire
Fe-Zn alloy-layer.
Specifically, the Fe-Zn alloy-layer with a thickness of 0.01~10um, axis of the Fe-Zn alloy-layer along wire
Directional spreding；The electro-galvanized layer is with a thickness of 0.1~30um.
A kind of preparation method of above-mentioned zinc-coated wire, the producing device that the preparation method uses include being arranged successively setting
Actinobacillus device, electrogalvanizing slot, wire-crossing wheel, traction wheel, induction heating apparatus, heat preservation tank, water-cooling groove and take-up, it is described
Preparation method have follow steps:
A, wire: first successively being passed through actinobacillus device, electrogalvanizing slot by electrogalvanizing, plates uniformity in wire surface
Electro-galvanized layer；
B, form Fe-Zn alloy-layer: wire is by wire-crossing wheel, traction wheel, into the induction heating containing protective gas
Device is heated wire and the phase counterdiffusion between electro-galvanized layer and metal wire base occurs, and carries out by heat preservation tank permanent
Temperature is handled, and Fe-Zn alloy-layer is formed on the interface between metal wire base and electro-galvanized layer, carries out water subsequently into water-cooling groove
It is cold；
C) take-up: pulling of the wire under the control of constant tension control device through take-up is wound to take-up pulley.
Wherein, the heating temperature of induction heating apparatus is 380~450 DEG C in step b, heat preservation of the wire in heat preservation tank
Time is 5~10s, and protective gas used is nitrogen when wire is diffused in induction heating apparatus.
The beneficial effects of the present invention are: the present invention by wire electro-galvanized layer carry out heat diffusion treatment, in gold
Belong to and form Fe-Zn alloy-layer on the interface between the matrix and electro-galvanized layer of silk, not only improves metal wire base and electro-galvanized layer
Binding force, and the presence of the alloy-layer have beneficial to reduce wire generate during the drawing process electro-galvanized layer loss and surface
Defect, while the resistance to corrosion of electro-galvanized layer is also improved, finally realize the fatigue life for improving zinc-coated wire and anti-corruption
The purpose of erosion ability.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is cross section structure schematic diagram of the invention.
Fig. 2 is process flow diagram of the invention.
In figure: 1. actinobacillus devices, 2. electrogalvanizing slots, 3. wire-crossing wheels, 4. traction wheels, 5. induction heating apparatuses, 6. heat preservation tanks,
7. water-cooling groove, 8. take-ups, 9. wires, 10. electro-galvanized layers, 11.Fe-Zn alloy-layer.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
A kind of zinc-coated wire as shown in Figure 1 has the wire as matrix, and the cross section of the wire can be circle
Shape, polygon or abnormal shape, the periphery of the wire has the electro-galvanized layer with a thickness of 0.1~30um, positioned at the base of wire
There is Fe-Zn alloy-layer on interface between body and electro-galvanized layer, the Fe-Zn alloy-layer with a thickness of 0.01~10um,
Fe-Zn alloy-layer is distributed along the axis direction of wire.
As shown in Fig. 2, a kind of preparation method of above-mentioned zinc-coated wire, the producing device that the preparation method uses include according to
The secondary actinobacillus device being arranged, electrogalvanizing slot, wire-crossing wheel, traction wheel, induction heating apparatus, heat preservation tank, water-cooling groove and receipts
Line apparatus, the preparation method have follow steps:
A, wire: first successively being passed through actinobacillus device, electrogalvanizing slot by electrogalvanizing, plates uniformity in wire surface
Electro-galvanized layer；
B, form Fe-Zn alloy-layer: wire is by wire-crossing wheel, traction wheel, into the induction heating containing protective gas
Device is heated wire and the phase counterdiffusion between electro-galvanized layer and metal wire base occurs, and carries out by heat preservation tank permanent
Temperature is handled, and Fe-Zn alloy-layer is formed on the interface between metal wire base and electro-galvanized layer, carries out water subsequently into water-cooling groove
It is cold；
C) take-up: pulling of the wire under the control of constant tension control device through take-up is wound to take-up pulley.
When specific operation, when wire is heated progress thermal diffusion in induction heating apparatus, temperature control cannot be too high
Make zinc-plated fusing, too low Speed of diffusion can not be kept too slow, therefore the heating temperature of induction heating apparatus is in preferred steps b
380~450 DEG C；Soaking time of the wire in heat preservation tank is 5~10s, and wire is diffused in induction heating apparatus
The protective gas of Shi Suoyong is nitrogen.
Above-mentioned preparation method, by promoting to generate between electro-galvanized layer and metal wire base by after wire induction heating
Thermal diffusion reaction, so that Fe-Zn alloy-layer is formed between metal wire base and electro-galvanized layer, so that metal wire base and plating
Atom level combination is reached at the interface of zinc layers, is thus greatly improved the binding force between metal wire base and electro-galvanized layer, is made
Obtaining wire, zinc damage reduces during the drawing process, and resistance to corrosion improves.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. a kind of zinc-coated wire has the wire as matrix, it is characterized in that: the periphery of the wire has electrogalvanizing
Layer, there is Fe-Zn alloy-layer on the interface between the matrix and electro-galvanized layer of wire.
2. zinc-coated wire as described in claim 1, it is characterized in that: the Fe-Zn alloy-layer with a thickness of 0.01~10um.
3. zinc-coated wire as claimed in claim 2, it is characterized in that: axis direction point of the Fe-Zn alloy-layer along wire
Cloth.
4. zinc-coated wire as described in claim 1, it is characterized in that: the electro-galvanized layer is with a thickness of 0.1~30um.
5. a kind of preparation method of zinc-coated wire as described in claim 1, the producing device that the preparation method uses include according to
The secondary actinobacillus device being arranged, electrogalvanizing slot, wire-crossing wheel, traction wheel, induction heating apparatus, heat preservation tank, water-cooling groove and receipts
Line apparatus, it is characterized in that: the preparation method has follow steps:
A, wire: first successively being passed through actinobacillus device, electrogalvanizing slot by electrogalvanizing, plates uniform electricity in wire surface
Zinc coat；
B, form Fe-Zn alloy-layer: wire is by wire-crossing wheel, traction wheel, into the induction heating apparatus containing protective gas,
It is heated wire and the phase counterdiffusion between electro-galvanized layer and metal wire base occurs, carried out at constant temperature by heat preservation tank
It manages, forms Fe-Zn alloy-layer on the interface between metal wire base and electro-galvanized layer, carry out water cooling subsequently into water-cooling groove；
C) take-up: pulling of the wire under the control of constant tension control device through take-up is wound to take-up pulley.
6. preparation method as claimed in claim 5, it is characterized in that: in step b the heating temperature of induction heating apparatus be 380~
450 DEG C, soaking time of the wire in heat preservation tank is 5~10s, used when wire is diffused in induction heating apparatus
Protective gas be nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619434.4A CN109487307A (en) | 2018-12-28 | 2018-12-28 | A kind of zinc-coated wire and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619434.4A CN109487307A (en) | 2018-12-28 | 2018-12-28 | A kind of zinc-coated wire and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109487307A true CN109487307A (en) | 2019-03-19 |
Family
ID=65712846
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811619434.4A Pending CN109487307A (en) | 2018-12-28 | 2018-12-28 | A kind of zinc-coated wire and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093644A (en) * | 2019-05-15 | 2019-08-06 | 江苏兴达钢帘线股份有限公司 | A kind of steel wire, its manufacturing method, wirerope and conveyer belt |
| CN110369544A (en) * | 2019-06-25 | 2019-10-25 | 江苏兴达钢帘线股份有限公司 | A kind of steel wire and its manufacturing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093644A (en) * | 2019-05-15 | 2019-08-06 | 江苏兴达钢帘线股份有限公司 | A kind of steel wire, its manufacturing method, wirerope and conveyer belt |
| CN110093644B (en) * | 2019-05-15 | 2021-04-16 | 江苏兴达钢帘线股份有限公司 | Steel wire, manufacturing method thereof, steel wire rope and conveying belt |
| CN110369544A (en) * | 2019-06-25 | 2019-10-25 | 江苏兴达钢帘线股份有限公司 | A kind of steel wire and its manufacturing method |
| CN110369544B (en) * | 2019-06-25 | 2021-01-22 | 江苏兴达钢帘线股份有限公司 | Steel wire and manufacturing method thereof |
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Application publication date: 20190319 |