CN117286365A - Copper-iron alloy strip with arc ablation resistance and preparation method thereof - Google Patents
Copper-iron alloy strip with arc ablation resistance and preparation method thereof Download PDFInfo
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- CN117286365A CN117286365A CN202311015169.XA CN202311015169A CN117286365A CN 117286365 A CN117286365 A CN 117286365A CN 202311015169 A CN202311015169 A CN 202311015169A CN 117286365 A CN117286365 A CN 117286365A
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- 238000002679 ablation Methods 0.000 title claims abstract description 36
- 229910000640 Fe alloy Inorganic materials 0.000 title claims abstract description 32
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 238000005097 cold rolling Methods 0.000 claims abstract description 41
- 238000005242 forging Methods 0.000 claims abstract description 28
- 230000032683 aging Effects 0.000 claims abstract description 22
- 238000005266 casting Methods 0.000 claims abstract description 22
- 238000003723 Smelting Methods 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims description 29
- 239000010949 copper Substances 0.000 claims description 28
- 238000005096 rolling process Methods 0.000 claims description 22
- 239000006104 solid solution Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 18
- 229910000881 Cu alloy Inorganic materials 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 229910000906 Bronze Inorganic materials 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000007770 graphite material Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- BSPSZRDIBCCYNN-UHFFFAOYSA-N phosphanylidynetin Chemical compound [Sn]#P BSPSZRDIBCCYNN-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ZUPBPXNOBDEWQT-UHFFFAOYSA-N [Si].[Ni].[Cu] Chemical compound [Si].[Ni].[Cu] ZUPBPXNOBDEWQT-UHFFFAOYSA-N 0.000 description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910021484 silicon-nickel alloy Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The invention provides a copper-iron alloy strip with arc ablation resistance and a preparation method thereof, wherein the copper-iron alloy strip comprises the following components: the alloy comprises the following chemical components in percentage by weight: fe: 10-20%, te: 0.1-1.2%, and the balance Cu; the preparation method comprises the following steps: smelting casting, solution treatment, hot forging treatment, first cold rolling, aging treatment and second cold rolling. The prepared copper-iron alloy strip has the following beneficial effects: the arc ablation resistance is strong; because of higher Fe content, the raw materials and the preparation cost are lower.
Description
Technical Field
The invention relates to the technical field of live working, in particular to a copper-iron alloy strip with arc ablation resistance and a preparation method thereof.
Background
With the rapid development of electronic technology, terminal connectors, relays, contactors, contacts and other connectors are increasingly used and used, and the connectors are also called connectors. At present, the high-power connector is realized by adopting low voltage and high current, so that the power loss in the transmission process is greatly increased, and the use environment temperature is greatly increased. The power transmission of larger power is an industry development trend, and the actual demand cannot be met only by increasing the current, namely, the power transmission mode adopting large voltage and large current cannot be met, and if high voltage and high current are adopted, the contact pair can generate strong electric arcs in the plugging and separating processes. The electric arc is an ionization phenomenon generated by the gas between the contact pairs under the action of a strong electric field, and can generate high temperature and emit strong light, so that the contact is burnt, and personnel are injured or fire is caused in severe cases. How to avoid the damage of electric arc in the high-voltage connector is one of the problems that must be solved in the practical application of the connector.
Now, more than 90% of connectors are copper alloy strips, so the development of connectors is necessarily independent of the development and innovation of copper alloy strips. At present, copper alloys for connectors which are widely used are mainly beryllium copper alloys, copper nickel silicon alloys and tin phosphor bronze alloys. Among them, tin phosphor bronze has an advantage of low price and is widely used, but tin phosphor bronze has a problem of poor arc ablation resistance. The beryllium-copper alloy is limited to be used because of the characteristic of toxicity, and the quality of the copper-nickel-silicon alloy cast ingot is difficult to control, such as the problems of easy generation of air holes, cracking, slag formation and the like, and the problem of high manufacturing cost exists.
Therefore, in order to solve the defects, the invention provides a copper-iron alloy strip with arc ablation resistance and a preparation method thereof.
Disclosure of Invention
Based on the expression, the invention provides a copper-iron alloy strip with arc ablation resistance and a preparation method thereof, which are used for solving the technical problems of high manufacturing cost, difficult quality control and poor arc ablation resistance of copper alloy for connectors in the prior art.
The technical scheme for solving the technical problems is as follows:
in a first aspect, the present invention provides a copper-iron alloy strip having arc ablation resistance comprising: the alloy comprises the following chemical components in percentage by weight: fe: 10-20%, te:0.1 to 1.2 percent and the balance of Cu.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the hardness of the copper-iron alloy strip with arc ablation resistance is 120-145 Hv, and the conductivity is 46-55% IACS.
In a second aspect, the present invention also provides a method for preparing a copper-iron alloy strip having arc ablation resistance as described in the first aspect, comprising:
preparing pure Cu blocks, pure Fe blocks and pure Te particles, and smelting and casting the prepared materials to obtain a primary product;
carrying out solid solution treatment on the primary product to obtain a solid solution product;
carrying out hot forging treatment on the solid solution product to obtain a forged product;
performing first cold rolling treatment on the forged product to obtain a cold-rolled product;
aging the cold-rolled product to obtain an aged product;
and performing secondary cold rolling treatment on the aging product to obtain the copper-iron alloy strip with arc ablation resistance.
On the basis of the technical scheme, the invention can be improved as follows.
Further, before the pure Cu block, the pure Fe block and the pure Te particles are dosed, the method further comprises:
and carrying out oil removal and drying treatment on the pure Cu block, the pure Fe block and the pure Te particles.
Further, the smelting and casting of the prepared materials specifically comprises the following steps:
smelting the prepared materials under the protection of argon;
casting the smelted material into a mould, and introducing cooling water into the mould during casting;
wherein, the mould is a pure copper mould.
Further, the smelting temperature of the prepared material is 1380-1430 ℃, and the heat preservation time is 10min.
Further, the solution treatment of the primary product specifically includes:
carrying out sectional solution treatment on the primary product by adopting a muffle furnace;
the solid solution temperature in the first stage is 800 ℃, and the heat preservation time is 2.5h;
the solid solution temperature in the second stage is 930 ℃, and the heat preservation time is 1h.
Further, the first cold rolling treatment is performed on the forged product, specifically including:
and rolling the forged product by adopting a cold rolling mill, wherein the cold rolling deformation is 20%, and the rolling pass is 3 or 4.
Further, the aging treatment for the cold rolled product specifically includes:
and (3) carrying out aging treatment on the cold-rolled product by adopting a muffle furnace, wherein the aging temperature is 400 ℃, and the heat preservation time is 2h.
Further, the second cold rolling treatment is performed on the aged product, specifically including:
and rolling the aged product by adopting a cold rolling mill, wherein the cold rolling deformation is 16.7%, and the rolling pass is 3 or 4.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
compared with the prior art, the copper-iron alloy strip with the arc ablation resistance provided by the invention contains high content of Fe, so that the raw material cost can be reduced, and in addition, a certain amount of Te is added, so that the arc ablation resistance of the strip can be effectively improved, and a novel high-iron copper-iron alloy strip with the arc ablation resistance is developed. Therefore, the copper-iron alloy strip has the following beneficial effects: 1. the arc ablation resistance is strong; 2. because of higher Fe content, the raw materials and the preparation cost are lower.
Drawings
FIG. 1 is a schematic flow chart of a method for producing a copper-iron alloy strip with arc ablation resistance according to the present invention;
fig. 2 is a comparative display diagram of sample detection results of examples 1 to 3, comparative examples and commercial examples provided by the present invention.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Embodiments of the present invention will now be described in further detail with reference to fig. 1 and 2 and examples, which are provided to illustrate the present invention but not to limit the scope thereof.
As shown in fig. 1, a copper-iron alloy strip with arc ablation resistance provided by an embodiment of the present invention includes: the alloy comprises the following chemical components in percentage by weight: fe: 10-20%, te:0.1 to 1.2 percent and the balance of Cu. The hardness of the copper-iron alloy strip with arc ablation resistance is 120-145 Hv, and the conductivity is 46-55% IACS.
The preparation method is shown in the figure 1, and comprises the following steps: smelting casting, solution treatment, hot forging treatment, first cold rolling, aging treatment and second cold rolling.
Example 1
The copper-iron alloy strip with arc ablation resistance comprises the following alloy chemical components in percentage by weight: fe:15%, te:0.3% and the balance of Cu.
The preparation method of the high-strength heat-resistant conductive copper alloy strip in the embodiment comprises the following steps:
step S1: smelting casting
The pure Cu blocks (the purity is more than or equal to 99.9 percent), the pure Fe blocks (the purity is more than or equal to 99.9 percent) and the pure Te particles (the purity is more than or equal to 99.9 percent) after oil removal and drying are proportioned according to the following proportioning ratio: fe:15%, te:0.3 percent and the balance of Cu, and putting the prepared materials into a vacuum induction furnace for smelting, wherein the smelting temperature is 1390 ℃, the heat preservation time is 10 minutes, and argon is adopted for protection.
It should be noted that: the casting mould can not adopt graphite material, but pure copper is used, and cooling water is filled in the casting mould.
Step S2: solution treatment of
And carrying out sectional solid solution treatment on the sample by adopting a muffle furnace, wherein the solid solution temperature in the first stage is 800 ℃, the heat preservation time is 2.5h, the solid solution temperature in the second stage is 930 ℃, and the heat preservation time is 1h.
Step S3: hot forging treatment
And (3) carrying out hot forging on the sample by adopting a hot forging unit, wherein the heat preservation temperature before hot forging is 950 ℃, the heat preservation time is 0.5h, the hot forging deformation is about 50%, and the forging pass is 4.
Step S4: first cold rolling
And rolling by adopting a cold rolling mill, wherein the cold rolling deformation is 20%, and the rolling passes are 4.
Step S5: aging treatment
And (3) ageing the sample by adopting a muffle furnace, wherein the ageing temperature is 400 ℃, the heat preservation time is 2h, and water cooling is performed.
Step S6: second cold rolling
And rolling by adopting a cold rolling mill, wherein the cold rolling deformation is 16.7%, and the rolling passes are 4.
The copper-iron alloy strip with arc ablation resistance described in this example had a hardness of 134.9Hv and a conductivity of 52.8% iacs.
Example 2
The copper-iron alloy strip with arc ablation resistance comprises the following alloy chemical components in percentage by weight: fe:15%, te:0.8% and the balance of Cu.
The preparation method of the high-strength heat-resistant conductive copper alloy strip in the embodiment comprises the following steps:
step S1: smelting casting
The pure Cu blocks (the purity is more than or equal to 99.9 percent), the pure Fe blocks (the purity is more than or equal to 99.9 percent) and the pure Te particles (the purity is more than or equal to 99.9 percent) after oil removal and drying are proportioned according to the following proportioning ratio: fe:15%, te:0.8 percent and the balance of Cu, and putting the prepared materials into a vacuum induction furnace for smelting, wherein the smelting temperature is 1390 ℃, the heat preservation time is 10 minutes, and argon is adopted for protection.
It should be noted that: the casting mould can not adopt graphite material, but pure copper is used, and cooling water is filled in the casting mould.
Step S2: solution treatment of
And carrying out sectional solid solution treatment on the sample by adopting a muffle furnace, wherein the solid solution temperature in the first stage is 800 ℃, the heat preservation time is 2.5h, the solid solution temperature in the second stage is 930 ℃, and the heat preservation time is 1h.
Step S3: hot forging treatment
And (3) carrying out hot forging on the sample by adopting a hot forging unit, wherein the heat preservation temperature before hot forging is 950 ℃, the heat preservation time is 0.5h, the hot forging deformation is about 50%, and the forging pass is 4.
Step S4: first cold rolling
And rolling by adopting a cold rolling mill, wherein the cold rolling deformation is 20%, and the rolling passes are 4.
Step S5: aging treatment
And (3) ageing the sample by adopting a muffle furnace, wherein the ageing temperature is 400 ℃, the heat preservation time is 2h, and water cooling is performed.
Step S6: second cold rolling
And rolling by adopting a cold rolling mill, wherein the cold rolling deformation is 16.7%, and the rolling passes are 4.
The copper-iron alloy strip with arc ablation resistance described in this example had a hardness of 136Hv and a conductivity of 53.7% iacs.
Example 3
The copper-iron alloy strip with arc ablation resistance comprises the following alloy chemical components in percentage by weight: fe:15%, te:1.2% and the balance of Cu.
The preparation method of the high-strength heat-resistant conductive copper alloy strip in the embodiment comprises the following steps:
step S1: smelting casting
The pure Cu blocks (the purity is more than or equal to 99.9 percent), the pure Fe blocks (the purity is more than or equal to 99.9 percent) and the pure Te particles (the purity is more than or equal to 99.9 percent) after oil removal and drying are proportioned according to the following proportioning ratio: fe:15%, te:1.2 percent and the balance of Cu, and putting the prepared materials into a vacuum induction furnace for smelting, wherein the smelting temperature is 1390 ℃, the heat preservation time is 10 minutes, and argon is adopted for protection.
It should be noted that: the casting mould can not adopt graphite material, but pure copper is used, and cooling water is filled in the casting mould.
Step S2: solution treatment of
And carrying out sectional solid solution treatment on the sample by adopting a muffle furnace, wherein the solid solution temperature in the first stage is 800 ℃, the heat preservation time is 2.5h, the solid solution temperature in the second stage is 930 ℃, and the heat preservation time is 1h.
Step S3: hot forging treatment
And (3) carrying out hot forging on the sample by adopting a hot forging unit, wherein the heat preservation temperature before hot forging is 950 ℃, the heat preservation time is 0.5h, the hot forging deformation is about 50%, and the forging pass is 4.
Step S4: first cold rolling
And rolling by adopting a cold rolling mill, wherein the cold rolling deformation is 20%, and the rolling passes are 4.
Step S5: aging treatment
And (3) ageing the sample by adopting a muffle furnace, wherein the ageing temperature is 400 ℃, the heat preservation time is 2h, and water cooling is performed.
Step S6: second cold rolling
And rolling by adopting a cold rolling mill, wherein the cold rolling deformation is 16.7%, and the rolling passes are 4.
The copper-iron alloy strip with arc ablation resistance described in this example had a hardness of 128Hv and a conductivity of 54.2% iacs.
Comparative example
The copper-iron alloy strip comprises the following alloy chemical components in percentage by weight: fe:15% and the balance of Cu.
The preparation method of the high-strength heat-resistant conductive copper alloy strip in the embodiment comprises the following steps:
step S1: smelting casting
And (3) preparing the pure Cu blocks (the purity is more than or equal to 99.9%) and the pure Fe blocks (the purity is more than or equal to 99.9%) after degreasing and drying, wherein the proportioning ratio of Fe is 15%, the balance is Cu, putting the prepared materials into a vacuum induction furnace for smelting, wherein the smelting temperature is 1400 ℃, the heat preservation time is 10min, and adopting argon for protection.
It should be noted that: the casting mould can not adopt graphite material, but pure copper is used, and cooling water is filled in the casting mould.
Step S2: solution treatment of
The sample is subjected to sectional solution treatment by a muffle furnace, the solution temperature is 950 ℃, and the heat preservation time is 3h. .
Step S3: hot forging treatment
And (3) carrying out hot forging on the sample by adopting a hot forging unit, wherein the heat preservation temperature before hot forging is 950 ℃, the heat preservation time is 0.5h, the hot forging deformation is about 50%, and the forging pass is 4.
Step S4: cold rolling
And rolling by adopting a cold rolling mill, wherein the cold rolling deformation is 33%, and the rolling passes are 4.
The copper-iron alloy strip of this comparative example had a hardness of 126Hv and a conductivity of 49% iacs.
Tables of results for examples 1 to 3 and comparative examples
| Alloy | Comparative example | Example 1 | Example 2 | Example 3 |
| Hardness of | 126 | 134.9 | 136 | 128 |
| Conductivity of | 49 | 52.8 | 53.7 | 54.2 |
By combining the above examples and comparative examples and the results table, it can be seen that the samples prepared in examples 1 to 3 have a slight decrease in hardness and a slight increase in conductivity with an increase in Te content, due to the addition of Te, which dissolves into the copper matrix in solid solution and precipitates during subsequent aging, resulting in a slight increase in conductivity.
With reference to fig. 2, the arc ablation resistance of different samples was analyzed, and it can be seen that the arc action center of the comparative example has a large and deep ablation area and a large area of the peripheral heat affected zone; for examples 1 to 3, as the Te content increases, the arc action center ablation area of the sample gradually decreases, the depth also becomes shallow, and the peripheral heat affected zone decreases; the commercial tin phosphor bronze QSn6.5-0.1 has large and deep arc action center area, which shows that the arc ablation resistance of the copper-iron alloy strip with arc ablation resistance provided by the embodiment is obviously improved compared with the prior art.
In the description of the present specification, the description with reference to the term "particular example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A copper-iron alloy strip having arc ablation resistance comprising: the alloy comprises the following chemical components in percentage by weight: fe: 10-20%, te:0.1 to 1.2 percent and the balance of Cu.
2. The copper-iron alloy strip with arc ablation resistance according to claim 1, wherein the copper-iron alloy strip with arc ablation resistance has a hardness of 128-145 Hv and a conductivity of 50-55% iacs.
3. A method of producing a copper-iron alloy strip having arc ablation resistance according to claim 1 or 2, comprising the steps of:
preparing pure Cu blocks, pure Fe blocks and pure Te particles, and smelting and casting the prepared materials to obtain a primary product;
carrying out solid solution treatment on the primary product to obtain a solid solution product;
carrying out hot forging treatment on the solid solution product to obtain a forged product;
performing first cold rolling treatment on the forged product to obtain a cold-rolled product;
aging the cold-rolled product to obtain an aged product;
and performing secondary cold rolling treatment on the aging product to obtain the copper-iron alloy strip with arc ablation resistance.
4. A method of preparing as claimed in claim 3, further comprising, prior to said dosing of the pure Cu, the pure Fe and the pure Te particles:
and carrying out oil removal and drying treatment on the pure Cu block, the pure Fe block and the pure Te particles.
5. A method according to claim 3, wherein the prepared charge is subjected to smelting casting, comprising in particular:
smelting the prepared materials under the protection of argon;
casting the smelted material into a mould, and introducing cooling water into the mould during casting;
wherein, the mould is a pure copper mould.
6. The method according to claim 5, wherein the mixed material is melted at 1380 to 1430 ℃ for 10min.
7. A method according to claim 3, characterized in that the primary product is subjected to a solution treatment, comprising in particular:
carrying out sectional solution treatment on the primary product by adopting a muffle furnace;
the solid solution temperature in the first stage is 800 ℃, and the heat preservation time is 2.5h;
the solid solution temperature in the second stage is 930 ℃, and the heat preservation time is 1h.
8. A method of manufacturing according to claim 3, wherein the first cold rolling treatment of the wrought product comprises:
and rolling the forged product by adopting a cold rolling mill, wherein the cold rolling deformation is 20%, and the rolling pass is 3 or 4.
9. A method according to claim 3, characterized in that said ageing treatment of said cold rolled product comprises in particular:
and (3) carrying out aging treatment on the cold-rolled product by adopting a muffle furnace, wherein the aging temperature is 400 ℃, and the heat preservation time is 2h.
10. The method according to claim 3, wherein the second cold rolling treatment of the aged article comprises:
and rolling the aged product by adopting a cold rolling mill, wherein the cold rolling deformation is 16.7%, and the rolling pass is 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311015169.XA CN117286365A (en) | 2023-08-12 | 2023-08-12 | Copper-iron alloy strip with arc ablation resistance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311015169.XA CN117286365A (en) | 2023-08-12 | 2023-08-12 | Copper-iron alloy strip with arc ablation resistance and preparation method thereof |
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|---|---|
| CN117286365A true CN117286365A (en) | 2023-12-26 |
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| CN202311015169.XA Pending CN117286365A (en) | 2023-08-12 | 2023-08-12 | Copper-iron alloy strip with arc ablation resistance and preparation method thereof |
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- 2023-08-12 CN CN202311015169.XA patent/CN117286365A/en active Pending
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