CN110016584A - A kind of wire rod and preparation method thereof - Google Patents
A kind of wire rod and preparation method thereof Download PDFInfo
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- CN110016584A CN110016584A CN201910425450.8A CN201910425450A CN110016584A CN 110016584 A CN110016584 A CN 110016584A CN 201910425450 A CN201910425450 A CN 201910425450A CN 110016584 A CN110016584 A CN 110016584A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Crystallography & Structural Chemistry (AREA)
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Abstract
The invention discloses a kind of wire rods and preparation method thereof, wire rod includes the ingredient of following weight percent: silicon 0.45-0.95%, aluminium 7.5-9.5%, zinc 6.0-10.5%, iron 0.1-0.3%, magnesium 0.2-0.5%, nickel 0.05-0.65%, boron 0.08-0.14%, yttrium 0.02-0.035%, tin 0.015-0.018%, tungsten 0.002-0.015%, chromium 0.1-0.3%, manganese 0.08-0.15%, zirconium 0.02-0.07%, beryllium 0.03-0.08%, and surplus is copper and inevitable impurity.This invention ensures that the intensity of material, wearability, while the impact flexibility and break resistance of material are improved, so that the integrated performance indexs such as intensity, the wear-resistant, Resisting fractre of product is reached domestic similar product advanced level comprehensively.
Description
Technical field
The invention belongs to alloy wire manufacturing technology fields, and in particular to a kind of wire rod and preparation method thereof.
Background technique
Copper alloy wire has excellent Dao electricity ﹑ Dao Re ﹑ ductility and corrosion resistance.It is moved as automobile, electric car, aircraft etc.
The electric wiring body of kinetoplast or the electric wiring body of industrial robot, using always is including the conductor of copper or copper alloy
The terminal (connector) of copper or copper alloy (such as brass) system is installed and component formed, referred to as harness on electric wire.Closely
Nian Lai, the high performance of automobile, multifunction rapidly develop, along with this, there are vehicle-mounted various electrical equipments, control equipment
Deng arranging quantity increase, and the arranging quantity of electric wiring body used in these equipment also increased tendency.With automobile
The rapid development of industry, to the wearability of copper alloy wire, more stringent requirements are proposed.
In addition, the bar base pulled out by smelting furnace is all to carry out huge machine drawing or big drawing machine during brass production
Drawing enters back into postchannel process processing, but often occurs core implosion, stress cracking, distortion, drawing fracture, pipe during huge drawing
The defects of material is in uneven thickness, product surface scratches changes the institutional framework of wire rod to a certain extent, amplifies lacking in slab
It falls into, is unfavorable for subsequent production.
At present in alloy wire, since some alloying elements match unreasonable, the hardness that leads to material, wearability are not
Height, the impact flexibility and break resistance of material are also bad.
Summary of the invention
Present invention seek to address that the technical problems existing in the prior art.For this purpose, the present invention provides a kind of wire rod and its system
Preparation Method, it is therefore an objective to ensure that intensity, the wearability of material.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of wire rod, the ingredient including following weight percent:
Silicon 0.45-0.95%, aluminium 7.5-9.5%, zinc 6.0-10.5%, iron 0.1-0.3%, magnesium 0.2-0.5%, nickel
0.05-0.65%, boron 0.08-0.14%, yttrium 0.02-0.035%, tin 0.015-0.018%, tungsten 0.002-0.015%, chromium
0.1-0.3%, manganese 0.08-0.15%, zirconium 0.02-0.07%, beryllium 0.03-0.08%, surplus are copper and inevitable impurity.
Preferably, the wire rod, the ingredient including following weight percent: silicon 0.65%, aluminium 8.5%, zinc 9.5%, iron
0.25%, magnesium 0.2%, nickel 0.5%, boron 0.12%, yttrium 0.028%, tin 0.016%, tungsten 0.01%, chromium 0.2%, manganese 0.1%,
Zirconium 0.05%, beryllium 0.05%, surplus are copper and inevitable impurity, and weight percent≤0.02% contained by impurity.Alloy
The reasonable setting of element proportion, ensure that intensity, the wearability of material, while improving the impact flexibility and resistance to fracture of material
Energy.
The preparation method of the wire rod, includes the following steps:
Step 1: measuring material composition by formula, it is delivered to melting in smelting furnace and handles；
Step 2: continuous casting and rolling is at copper alloy bar；
Step 3: successively carrying out drawing skin and homogenizing annealing to copper alloy bar；
Step 4: being drawn into required wire rod by wire drawing machine；
Step 5: wire rod obtained is kept the temperature 2-3h under the conditions of 380-420 DEG C, then cold with the cooling rate of≤50 DEG C/h
But to 190-220 DEG C, 2-3h is kept the temperature, is then placed in 20-30 DEG C of salt water and is cooled to 80-100 DEG C, is taken out with 150-160 DEG C/h
Rate is warming up to 300-350 DEG C, keeps the temperature 3-4h, then be warming up to 400-430 DEG C with 90-100 DEG C/h rate, keeps the temperature 2-3h, then with
70-80 DEG C/h rate is cooled to 200 DEG C hereinafter, being air-cooled to room temperature.
Preferably, the smelting temperature of the smelting furnace is 1350-1380 DEG C.
Preferably, the temperature of the homogenizing annealing is set as 650-750 DEG C, soaking time 2-3h.
Preferably, the tandem rolling is rolled using multi-pass continuous rolling method.It avoids in traditional drawing process, wire surface
The groove of generation and coarse, it is ensured that the preceding road blank compactness of product.When copper busbar continuous rolling, copper base material is in continuous casting and rolling stress
Under the conditions of, original internal casting flaw such as stomata, shrinkage porosite of copper bar etc. can be eliminated during continuously extruded, without picture
Drawing procedure is such, due to the effect of its axial tension stress, transverse defect can be made to extend, and copper busbar produced can get
The copper busbar of excellent performance, gained production has very thin grain size, dense internal organization.Raw material surface can be eliminated simultaneously
The influence of defect and mechanical damage to product quality, what product surface will not generate that Conventional processing methods easily occur sticks up skin, hair
The defects of thorn, so that copper busbar has good surface quality and performance.
Further, Y profile and wire is made by Y tooth finished product machine in the wire rod that wire drawing machine makes.It is three-dimensional special-shaped using four-way
Rolled structure improves Y profile and wire rolling accuracy, guarantees directly compress strap when post-production zipper, it is ensured that wire production is drawn
The utilization rate of chain is close to 100%.In Y-shaped zip line moulding process, using upper and lower, left and right roll, realize that four-way cubic symmetry rolls
System, it is ensured that product surface is bright and clean, dense structure, dimensionally stable.
Beneficial effects of the present invention:
1, this invention ensures that the intensity of material, wearability, while the impact flexibility and break resistance of material are improved, made
The integrated performance indexs such as the intensity of product, wear-resistant, Resisting fractre reach domestic similar product advanced level comprehensively.
2, it using multi-pass continuous rolling method, avoids in traditional drawing process, the groove and coarse that wire surface generates,
Ensure the preceding road blank compactness of product.
3, good corrosion resistance, antifatigue aging, have a extensive future.
Specific embodiment
Below by the description to embodiment, specific embodiments of the present invention will be described in further detail, purpose
Being to aid in those skilled in the art has more complete, accurate and deep understanding to design of the invention, technical solution, and helps
In its implementation.
Embodiment 1
A kind of wire rod, by following weight percent at being grouped as: silicon 0.45%, aluminium 7.5-9.5%, zinc 6.0%, iron
0.1%, magnesium 0.2%, nickel 0.05%, boron 0.08%, yttrium 0.02%, tin 0.015%, tungsten 0.002%, chromium 0.1%, manganese
0.08%, zirconium 0.02%, beryllium 0.03%, surplus are copper and inevitable impurity, and weight percent contained by impurity≤
0.02%.
The preparation method of the wire rod, includes the following steps:
Step 1: measuring material composition by above-mentioned formula, it is delivered to melting in smelting furnace and handles；, wherein smelting furnace melts
Refining temperature is 1350 DEG C, smelting time 4h；
Step 2: continuous casting and rolling is at copper alloy bar；
Step 3: successively carrying out drawing skin and homogenizing annealing to copper alloy bar, wherein the temperature of annealing is 650
DEG C, soaking time 3h；
Step 4: being drawn into required wire rod by wire drawing machine, wherein wire drawing machine uses the big drawing continuous annealing wire drawing machine of electricity-distribution type；
Step 5: wire rod obtained is kept the temperature 3h under the conditions of 380 DEG C, then it is cooled to the cooling rate of≤50 DEG C/h
190 DEG C, 3h is kept the temperature, is then placed in 20 DEG C of salt water and is cooled to 80 DEG C, takes out and is warming up to 300 DEG C with 155 DEG C/h rate, heat preservation
4h, then 400 DEG C are warming up to 90 DEG C/h rate, 3h is kept the temperature, then be cooled to 200 DEG C hereinafter, being air-cooled to room temperature with 70 DEG C/h rate
?.
Main performance detection: tensile strength 400Mpa, yield strength 255Mpa, elongation percentage 20%.The wearability of wire rod
And shock resistance is preferable.
Embodiment 2
A kind of wire rod, by following weight percent at being grouped as: silicon 0.65%, aluminium 8.5%, zinc 9.5%, iron
0.25%, magnesium 0.2%, nickel 0.5%, boron 0.12%, yttrium 0.028%, tin 0.016%, tungsten 0.01%, chromium 0.2%, manganese 0.1%,
Zirconium 0.05%, beryllium 0.05%, surplus are copper and inevitable impurity, and weight percent≤0.02% contained by impurity.
The preparation method of the wire rod, includes the following steps:
Step 1: measuring material composition by formula, it is delivered to melting in smelting furnace and handles, wherein the melting temperature of smelting furnace
Degree is 1360 DEG C, smelting time 3.5h；
Step 2: continuous casting and rolling, at copper alloy bar, tandem rolling is rolled using eight passage continuous rolling methods, the first six passage
Roll pass is positive hexagonal structure, and most latter two passage passes through circle-circle pass structure again and rolls brass wire for alloy
Rod-shape can not only be rolled harder brass wire for finished product, moreover it is possible to avoid wire rod by the continuous rolling of eight passages
The torsional deflection of itself, for rolling mill practice compared to huge drawing process, structure property is more excellent；
Step 3: successively carrying out drawing skin and homogenizing annealing to copper alloy bar, wherein the temperature of annealing is 700
DEG C, soaking time 3h；
Step 4: being drawn into required wire rod by wire drawing machine, wherein wire drawing machine uses the big drawing continuous annealing wire drawing machine of electricity-distribution type；
Step 5: wire rod obtained is kept the temperature 2.5h under the conditions of 400 DEG C, then it is cooled to the cooling rate of≤50 DEG C/h
200 DEG C, 2.5h is kept the temperature, is then placed in 25 DEG C of salt water and is cooled to 90 DEG C, takes out and is warming up to 330 DEG C with 155 DEG C/h rate, heat preservation
3.5h, then 430 DEG C are warming up to 95 DEG C/h rate, 2h is kept the temperature, then be cooled to 200 DEG C hereinafter, being air-cooled to room with 75 DEG C/h rate
Temperature.
Main performance detection: tensile strength 456Mpa, yield strength 355Mpa, elongation percentage 22%.The wearability of wire rod
And shock resistance is more preferable than embodiment 1.
Embodiment 3
A kind of wire rod, the ingredient including following weight percent:
Silicon 0.95%, aluminium 9.5%, zinc 10.5%, iron 0.3%, magnesium 0.5%, nickel 0.65%, boron 0.14%, yttrium
0.035%, tin 0.018%, tungsten 0.015%, chromium 0.3%, manganese 0.15%, zirconium 0.07%, beryllium 0.08%, surplus are copper and can not
The impurity avoided, and weight percent≤0.02% contained by impurity.
The preparation method of the wire rod, includes the following steps:
Step 1: measuring material composition by formula, it is delivered to melting in smelting furnace and handles, wherein the melting temperature of smelting furnace
Degree is 1380 DEG C, smelting time 3h；
Step 2: continuous casting and rolling, at copper alloy bar, tandem rolling is rolled using eight passage continuous rolling methods, the first six passage
Roll pass is positive hexagonal structure, and most latter two passage passes through circle-circle pass structure again and rolls brass wire for alloy
Rod-shape can not only be rolled harder brass wire for finished product, moreover it is possible to avoid wire rod by the continuous rolling of eight passages
The torsional deflection of itself, for rolling mill practice compared to huge drawing process, structure property is more excellent；
Step 3: successively carrying out drawing skin and homogenizing annealing to copper alloy bar, wherein the temperature of annealing is 750
DEG C, soaking time 2h；
Step 4: being drawn into required wire rod by wire drawing machine；
Step 5: wire rod obtained is kept the temperature 2h under the conditions of 420 DEG C, then it is cooled to the cooling rate of≤50 DEG C/h
220 DEG C, 2h is kept the temperature, is then placed in 30 DEG C of salt water and is cooled to 100 DEG C, takes out and is warming up to 350 DEG C with 160 DEG C/h rate, heat preservation
3h, then 430 DEG C are warming up to 100 DEG C/h rate, 2h is kept the temperature, then be cooled to 200 DEG C hereinafter, being air-cooled to room temperature with 80 DEG C/h rate
?.
Main performance detection: tensile strength 435Mpa, yield strength 338Mpa, elongation percentage 21%.The wearability of wire rod
And shock resistance is relatively good than embodiment 1, but the wire rod prepared not as good as embodiment 2.
Embodiment 4
The present embodiment is with embodiment 2 the difference lies in that Y type is made by Y tooth finished product machine in the wire rod that wire drawing machine makes
Wire rod.Using the three-dimensional profile rolled structure of four-way, Y profile and wire rolling accuracy is improved, guarantees directly press when post-production zipper
Tight strap, it is ensured that the utilization rate of wire production zipper is close to 100%.
The present invention is exemplarily described above.Obviously, present invention specific implementation is not subject to the restrictions described above.
As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or it is not improved, it will
Above-mentioned conception and technical scheme of the invention directly apply to other occasions, within the scope of the present invention.
Claims (7)
1. a kind of wire rod, which is characterized in that the ingredient including following weight percent:
Silicon 0.45-0.95%, aluminium 7.5-9.5%, zinc 6.0-10.5%, iron 0.1-0.3%, magnesium 0.2-0.5%, nickel 0.05-
0.65%, boron 0.08-0.14%, yttrium 0.02-0.035%, tin 0.015-0.018%, tungsten 0.002-0.015%, chromium 0.1-
0.3%, manganese 0.08-0.15%, zirconium 0.02-0.07%, beryllium 0.03-0.08%, surplus are copper and inevitable impurity.
2. wire rod according to claim 1, which is characterized in that the ingredient including following weight percent: silicon 0.65%, aluminium
8.5%, zinc 9.5%, iron 0.25%, magnesium 0.2%, nickel 0.5%, boron 0.12%, yttrium 0.028%, tin 0.016%, tungsten 0.01%,
Chromium 0.2%, manganese 0.1%, zirconium 0.05%, beryllium 0.05%, surplus are copper and inevitable impurity, and weight percent contained by impurity
Number≤0.02%.
3. the preparation method of wire rod according to claim 1 or claim 2, which comprises the steps of:
Step 1: measuring material composition by formula, it is delivered to melting in smelting furnace and handles；
Step 2: continuous casting and rolling is at copper alloy bar；
Step 3: successively carrying out drawing skin and homogenizing annealing to copper alloy bar；
Step 4: being drawn into required wire rod by wire drawing machine；
Step 5: wire rod obtained is kept the temperature 2-3h under the conditions of 380-420 DEG C, then it is cooled to the cooling rate of≤50 DEG C/h
190-220 DEG C, 2-3h is kept the temperature, is then placed in 20-30 DEG C of salt water and is cooled to 80-100 DEG C, is taken out with 150-160 DEG C/h rate
It is warming up to 300-350 DEG C, 3-4h is kept the temperature, then be warming up to 400-430 DEG C with 90-100 DEG C/h rate, keeps the temperature 2-3h, then with 70-80
DEG C/h rate is cooled to 200 DEG C hereinafter, being air-cooled to room temperature.
4. the preparation method of wire rod according to claim 3, which is characterized in that the smelting temperature of the smelting furnace is 1350-
1380℃。
5. the preparation method of wire rod according to claim 3, which is characterized in that the temperature of the homogenizing annealing is set as
650-750 DEG C, soaking time 2-3h.
6. the preparation method of wire rod according to claim 3, which is characterized in that the tandem rolling uses multi-pass continuous rolling side
Method rolling.
7. the preparation method of wire rod according to claim 3, which is characterized in that support Y profile and wire by Y tooth finished product machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910425450.8A CN110016584B (en) | 2019-05-21 | 2019-05-21 | Wire rod and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425450.8A CN110016584B (en) | 2019-05-21 | 2019-05-21 | Wire rod and preparation method thereof |
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| CN110016584A true CN110016584A (en) | 2019-07-16 |
| CN110016584B CN110016584B (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118320A (en) * | 2019-12-19 | 2020-05-08 | 河南理工大学 | Tantalum-containing copper alloy wire/strip and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407776A (en) * | 1981-03-25 | 1983-10-04 | Sumitomo Special Metals, Ltd. | Shape memory alloys |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN107012357A (en) * | 2017-03-22 | 2017-08-04 | 合肥浦尔菲电线科技有限公司 | A kind of copper alloy wire and preparation method thereof |
-
2019
- 2019-05-21 CN CN201910425450.8A patent/CN110016584B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407776A (en) * | 1981-03-25 | 1983-10-04 | Sumitomo Special Metals, Ltd. | Shape memory alloys |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN107012357A (en) * | 2017-03-22 | 2017-08-04 | 合肥浦尔菲电线科技有限公司 | A kind of copper alloy wire and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118320A (en) * | 2019-12-19 | 2020-05-08 | 河南理工大学 | Tantalum-containing copper alloy wire/strip and preparation method thereof |
| CN111118320B (en) * | 2019-12-19 | 2021-08-31 | 河南理工大学 | Tantalum-containing copper alloy strip and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN110016584B (en) | 2021-05-04 |
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Effective date of registration: 20230614 Address after: 230000 room 306, G5 floor, xingmengyuan innovation enterprise residence, 198 Mingzhu Avenue, high tech Zone, Hefei, Anhui Province Patentee after: ANHUI SHANGSHI INFORMATION TECHNOLOGY CO.,LTD. Address before: 241000 No. 203, building B03, dalongfang Cultural Park, Jinghu District, Wuhu City, Anhui Province Patentee before: Anhui Collaborative Innovative Design Research Institute Co.,Ltd. |