CN109371270A - A kind of preparation method using vacuum induction melting CuFe master alloy material - Google Patents
A kind of preparation method using vacuum induction melting CuFe master alloy material Download PDFInfo
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- CN109371270A CN109371270A CN201811316100.XA CN201811316100A CN109371270A CN 109371270 A CN109371270 A CN 109371270A CN 201811316100 A CN201811316100 A CN 201811316100A CN 109371270 A CN109371270 A CN 109371270A
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- 238000002844 melting Methods 0.000 title claims abstract description 61
- 230000008018 melting Effects 0.000 title claims abstract description 61
- 239000000956 alloy Substances 0.000 title claims abstract description 29
- 230000006698 induction Effects 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052786 argon Inorganic materials 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- 238000005303 weighing Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 229910045601 alloy Inorganic materials 0.000 description 14
- 239000010949 copper Substances 0.000 description 9
- 229910000640 Fe alloy Inorganic materials 0.000 description 5
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- -1 alkyl biphenyl Chemical compound 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000555268 Dendroides Species 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005551 mechanical alloying Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Abstract
The invention discloses a kind of preparation methods using vacuum induction melting CuFe master alloy material, comprising: Step 1: proportionally weighing Cu, Fe raw material, is packed into crucible and puts to vacuum melting furnace, close bell and vent valve, clear up observation window；Step 2: mechanical pump and low vacuum flapper valve are opened, when vacuum pressure P≤0.08MPa in vacuum melting furnace, when unlatching lobe pump is evacuated down to P≤4Pa, vacuum melting furnace power rises to 25KW, keeps the temperature 8min, and vacuum melting furnace power rises to 45KW, keep the temperature 8min, vacuum melting furnace heating power rises to 65KW, and power is dropped after raw material in crucible is uniform to 20KW, argon gas is filled with into furnace body, when furnace pressure rises to 0.08Mpa, argon filling air valve is closed, power per liter to 70KW refines 2min；Step 3: reducing vacuum melting furnace power to 40KW, keeps 0.5min to start to cast into casting die, come out of the stove after cooling 60min after the completion of casting.
Description
Technical field
The invention belongs to technical field of new material preparation, are specifically related to a kind of using vacuum induction melting mother CuFe conjunction
The preparation method of golden material.
Background technique
As copper alloy with high strength and high conductivity is widely used in all trades and professions, to the service performance of such copper alloy with high strength and high conductivity
And manufacturing cost is put forward higher requirements, copper-iron alloy has the electric conductivity of copper, heat conductivity, ductility, elasticity because of it simultaneously
Etc. properties and iron wearability, intensity, hardness, the properties such as magnetism show exclusive and superior feature, such as electromagnetic wave shielding
Property, elasticity, electric conductivity, exothermicity, wearability, antibiotic property etc., and copper-iron alloy can be processed to bar, cable, plate,
A variety of physical aspects such as film, powder, tubulose, and can be applied to various industrial fields, possess unsurpassable competitiveness
And market prospects.
Almost immiscible both when room temperature but from the point of view of copper and iron phasor, solubility remains as zero at 300 DEG C,
Solubility also only has 5% or so, Fe solubility extremely low in Cu at 1094 DEG C, leads to the alloy easily shape in process of setting
At serious tissue is segregated, the application of CuFe alloy has been seriously affected.And crystal grain can be refined by quickly solidifying, and increase solid solubility,
And make to inhibit or mitigate the effective way that CuFe alloy forms segregation tissue in process of setting, therefore quick solidification behavior
Research has been to be concerned by more and more people.
The method of production CuFe alloy has both at home and abroad at present: mechanical alloying method, gas atomization, to fall tube method, electromagnetism outstanding
Floating smelting process and vacuum arc melting method etc., the higher cost that these methods have, some cannot achieve volume production, existing vacuum sense
Method of smelting is answered to add rare earth element, the present invention is in view of the deficienciess of the prior art, provide a kind of using vacuum induction
The preparation method of melting.
Summary of the invention
In view of the above problems, the present invention provides a kind of systems using vacuum induction melting CuFe master alloy material
Preparation Method.
The technical scheme is that a kind of preparation method using vacuum induction melting CuFe master alloy material, including
Following steps:
Step 1: ingredient shove charge
Cu, Fe raw material are weighed according to the ratio that percentage composition is 1:1, crucible is packed into after mixing and puts to vacuum melting
In furnace, vacuum melting bell is closed, closes vent valve, clears up observation window；
Step 2: vacuum induction melting
Mechanical pump is opened, low vacuum flapper valve is opened and vacuumizes, to vacuum pressure P≤0.08MPa in vacuum melting furnace
When, lobe pump is opened, when vacuum degree is extracted into P≤4Pa, heat temperature raising, vacuum melting furnace power rises to 20KW-30KW, heat preservation
5min-10min, vacuum melting furnace power rise to 40KW-50KW, keep the temperature 5min-10min, and vacuum melting furnace heating power rises to
60KW-70KW, after raw material in crucible reaches uniformly up and down, drop power to 20KW opens argon filling air valve, slowly to vacuum melting
It is filled with argon gas in furnace body, when furnace pressure rises to 0.08Mpa, closes argon filling air valve, power per liter to 70KW ± 5KW, refining
1min-2min；
Step 3: casting is come out of the stove
Vacuum melting furnace power is reduced to 40KW ± 5KW, keeps 0.5min to start to cast into casting die, casts
Heating is closed after the completion, is come out of the stove after cooling 60min.
Further, pressure inductor is equipped in the vacuum melting furnace, it is real for being carried out to vacuum melting furnace pressure
When monitor, it is integrally disposed in pressure inductor to have a MAS intelligent controller, and the MAS intelligent controller and the lobe pump plus
Thermal and argon filling air valve are electrically connected, and carry out intelligent control for the start and stop to lobe pump, heating device and argon filling air valve
System, intelligentized control method, accuracy is high and saves manpower, improves smelting efficiency.
Further, the crucible material is zirconium oxide, and the crucible that when melting selects is necessary for carbon-free crucible, carbon containing
Carbon in crucible seriously affects the melting of copper-iron alloy, and casting die is steel membrane mold, forms fast, easily cooling and is lost low.
Further, the purity of Cu, Fe raw material is greater than 99.9%, and the content of impurity is avoided from raw material, it is ensured that
The purity of CuFe master alloy.
Further, it is 99.999% that argon concentration is filled in the step 2, and concentration is higher, and protectiveness is better.
Further, casting time t≤1min in the step 3, casting rate are first slow, fast, slow speed again again
Sequentially, time long be easy to cause is poured to cast unevenly.
Further, the type of cooling in the step 3 is cooling by water, and the cooling by water joins using alkyl
Benzene conduction oil, cooling by water is more efficient compared to air-cooled, and the alkyl biphenyl conduction oil boiling point used is high, thermal stability is good and
It is non-corrosive.
The beneficial effects of the present invention are: a kind of system using vacuum induction melting CuFe master alloy material provided by the invention
Preparation Method chooses the higher raw material of purity, ensure that the purity of alloy, while melting from source compared with prior art
Crucible chooses the melting for avoiding carbon to influence copper-iron alloy without carbon crucible, and optimizes melting step, the system provided through the invention
CuFe master alloy material gas content made from Preparation Method is low, field trash is few and structural constituent is uniform, no Cu, Fe enrichment etc.
Macroscopic view, microdefect, the Copper-iron alloy material of various difference Fe contents can be successfully prepared using the CuFe master alloy.
Detailed description of the invention
Fig. 1-2 is CuFe alloy microstructure schematic diagram of the invention.
Specific embodiment
For convenient for the understanding to technical solution of the present invention, with reference to the accompanying drawing 1-2 and specific embodiment to the present invention do into
The explanation of one step, embodiment do not constitute the restriction to invention protection scope.
Embodiment 1
A kind of preparation method using vacuum induction melting CuFe master alloy material, comprising the following steps:
Step 1: ingredient shove charge
Cu, Fe raw material that purity is greater than 99.9% are weighed according to the ratio that percentage composition is 1:1, is packed into after mixing
Oxidation zirconium crucible is put to vacuum melting furnace, and vacuum melting bell is closed, and closes vent valve, clears up observation window；
Step 2: vacuum induction melting
Mechanical pump is opened, low vacuum flapper valve is opened and vacuumizes, when vacuum pressure P=0.08MPa in vacuum melting furnace,
Lobe pump is opened, when vacuum degree is extracted into P=4Pa, heat temperature raising, vacuum melting furnace power rises to 25KW, keeps the temperature 8min, vacuum
Smelting furnace power rises to 15KW, keeps the temperature 8min, and vacuum melting furnace heating power rises to 65KW, reaches equal up and down to raw material in crucible
After even, drop power to 20KW opens argon filling air valve, and the argon that concentration is 99.999% is slowly filled with into vacuum melting furnace body
Gas when furnace pressure rises to 0.08Mpa, closes argon filling air valve, and power per liter to 70KW refines 2min, is equipped in vacuum melting furnace
Pressure inductor, it is integrally disposed in pressure inductor to there is MAS intelligently to control for carrying out real-time monitoring to vacuum melting furnace pressure
Device processed, and MAS intelligent controller is electrically connected with the lobe pump, heating device and argon filling air valve, for lobe pump,
The start and stop of heating device and argon filling air valve carry out intelligent control, and intelligentized control method, accuracy is high and saves manpower, improve melting effect
Rate；
Step 3: casting is come out of the stove
Vacuum melting furnace power is reduced to 40KW, 0.5min is kept to start to cast into steel casting die, when casting
Between t=1min, heating is closed after the completion of casting, is come out of the stove after cooling 60min, the type of cooling is cooling by water, and cooling by water uses
Be alkyl biphenyl conduction oil.
Embodiment 2
The CuFe alloy microstructure prepared using the vacuum induction melting method of embodiment 1 is as shown in Figs. 1-2:
In Fig. 1-2, grey position is iron phase, and white position is copper phase, as can be seen that iron phase is mainly from Fig. 1-2
Granular or dendroid, and disperse is uniformly distributed in Copper substrate, and nothing is evident that segregation phenomena.
Conclusion: and segregation-free uniform using the CuFe alloy structure of the vacuum induction melting method preparation of embodiment 1.
Embodiment 3
It is detected as shown in table 1 using the CuFe master alloy chemical content of the vacuum induction melting method preparation in embodiment 1:
Table 1CuFe master alloy chemical content detects table
| Fe (%) | O(ppm) | N(ppm) | C(ppm) | S(ppm) | |
| CuFe master alloy | 50.18 | 60 | 14 | 16 | 37 |
Conclusion: the CuFe alloy inclusions prepared using the vacuum induction melting method of embodiment 1 are few and structural constituent is equal
It is even.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of preparation method using vacuum induction melting CuFe master alloy material, which comprises the following steps:
Step 1: ingredient shove charge
Cu, Fe raw material are weighed according to the ratio that percentage composition is 1:1, crucible is packed into after mixing and puts to vacuum melting furnace
It is interior, vacuum melting bell is closed, vent valve is closed, clears up observation window；
Step 2: vacuum induction melting
Mechanical pump is opened, low vacuum flapper valve is opened and vacuumizes, when vacuum pressure P≤0.08MPa in vacuum melting furnace, is opened
Lobe pump, when vacuum degree is extracted into P≤4Pa, heating device power rises to 20KW-30KW, keeps the temperature 5min-10min, heating device
Heating power rises to 40KW-50KW, keeps the temperature 5min-10min, and heating devices heat power rises to 60KW-70KW, to former in crucible
After material reaches uniformly up and down, heating power is reduced to 20KW, argon filling air valve is opened, is slowly filled with argon into vacuum melting furnace body
Gas when furnace pressure rises to 0.08Mpa, closes argon filling air valve, and power per liter to 70KW ± 5KW refines 1min-2min；
Step 3: casting is come out of the stove
Vacuum melting furnace power is reduced to 40KW ± 5KW, keeps 0.5min to start to cast into casting die, casting is completed
Heating is closed afterwards, is come out of the stove after cooling 60min.
2. a kind of preparation method using vacuum induction melting CuFe master alloy material according to claim 1, feature
It is, pressure inductor is equipped in the vacuum melting furnace, for carries out real-time monitoring, feeling of stress to vacuum melting furnace pressure
Answer it is integrally disposed in device have an intelligent controller, and the intelligent controller and the lobe pump, heating device and argon filling air valve point
It is not electrically connected, for carrying out intelligent control to lobe pump, heating device and argon filling air valve.
3. a kind of preparation method using vacuum induction melting CuFe master alloy material according to claim 1, feature
It is, the crucible material is zirconium oxide, and the casting die is steel membrane mold.
4. a kind of preparation method using vacuum induction melting CuFe master alloy material according to claim 1, feature
It is, the purity of Cu, Fe raw material is greater than 99.9%.
5. a kind of preparation method using vacuum induction melting CuFe master alloy material according to claim 1, feature
It is, it is 99.999% that argon concentration is filled in the step 2.
6. a kind of preparation method using vacuum induction melting CuFe master alloy material according to claim 1, feature
It is, casting time t≤1min in the step 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811316100.XA CN109371270B (en) | 2018-11-07 | 2018-11-07 | Preparation method for CuFe master alloy material by vacuum induction melting |
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| CN201811316100.XA CN109371270B (en) | 2018-11-07 | 2018-11-07 | Preparation method for CuFe master alloy material by vacuum induction melting |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052619A (en) * | 2019-04-30 | 2019-07-26 | 西安斯瑞先进铜合金科技有限公司 | A kind of preparation method of ball-type CuFe alloy powder |
| CN110125421A (en) * | 2019-04-22 | 2019-08-16 | 西安斯瑞先进铜合金科技有限公司 | A kind of preparation method of sheet CuFe alloy powder |
| CN110453106A (en) * | 2019-07-29 | 2019-11-15 | 西安斯瑞先进铜合金科技有限公司 | It is a kind of it is antivacuum under draw the production technology of continuous casting copper-iron alloy slab ingot |
| CN111621664A (en) * | 2020-06-04 | 2020-09-04 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing copper-iron alloy by spark plasma sintering |
| CN111733340A (en) * | 2020-06-22 | 2020-10-02 | 宝鸡市嘉诚稀有金属材料有限公司 | Smelting process and vacuum device for reducing oxygen and nitrogen of aerospace-level high-vanadium aluminum alloy |
| CN112387978A (en) * | 2020-10-21 | 2021-02-23 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of CuFe alloy powder for brake pad |
| CN113278830A (en) * | 2021-04-28 | 2021-08-20 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of high-uniformity copper-iron alloy |
| CN113293318A (en) * | 2021-05-19 | 2021-08-24 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of low-oxygen-content copper-iron alloy |
| CN113637869A (en) * | 2021-08-05 | 2021-11-12 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of CuSi20 intermediate alloy by vacuum induction melting |
| CN116083739A (en) * | 2022-12-08 | 2023-05-09 | 陕西斯瑞新材料股份有限公司 | Preparation method of high-purity low-pressure environment-friendly copper-chromium contact |
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| US20180148816A1 (en) * | 2016-11-28 | 2018-05-31 | Metal Industries Research & Development Centre | Copper alloy wire and manufacturing method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125421A (en) * | 2019-04-22 | 2019-08-16 | 西安斯瑞先进铜合金科技有限公司 | A kind of preparation method of sheet CuFe alloy powder |
| CN110125421B (en) * | 2019-04-22 | 2022-07-26 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of lamellar CuFe alloy powder |
| CN110052619A (en) * | 2019-04-30 | 2019-07-26 | 西安斯瑞先进铜合金科技有限公司 | A kind of preparation method of ball-type CuFe alloy powder |
| CN110453106A (en) * | 2019-07-29 | 2019-11-15 | 西安斯瑞先进铜合金科技有限公司 | It is a kind of it is antivacuum under draw the production technology of continuous casting copper-iron alloy slab ingot |
| CN111621664A (en) * | 2020-06-04 | 2020-09-04 | 西安斯瑞先进铜合金科技有限公司 | Method for preparing copper-iron alloy by spark plasma sintering |
| CN111733340A (en) * | 2020-06-22 | 2020-10-02 | 宝鸡市嘉诚稀有金属材料有限公司 | Smelting process and vacuum device for reducing oxygen and nitrogen of aerospace-level high-vanadium aluminum alloy |
| CN112387978A (en) * | 2020-10-21 | 2021-02-23 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of CuFe alloy powder for brake pad |
| CN112387978B (en) * | 2020-10-21 | 2023-03-14 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of CuFe alloy powder for brake pad |
| CN113278830A (en) * | 2021-04-28 | 2021-08-20 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of high-uniformity copper-iron alloy |
| CN113293318A (en) * | 2021-05-19 | 2021-08-24 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of low-oxygen-content copper-iron alloy |
| CN113637869A (en) * | 2021-08-05 | 2021-11-12 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of CuSi20 intermediate alloy by vacuum induction melting |
| CN116083739A (en) * | 2022-12-08 | 2023-05-09 | 陕西斯瑞新材料股份有限公司 | Preparation method of high-purity low-pressure environment-friendly copper-chromium contact |
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| CN109371270B (en) | 2020-02-07 |
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