CN104975202B - Copper-iron intermediate alloy and preparation method and application thereof - Google Patents
Copper-iron intermediate alloy and preparation method and application thereof Download PDFInfo
- Publication number
- CN104975202B CN104975202B CN201510460863.1A CN201510460863A CN104975202B CN 104975202 B CN104975202 B CN 104975202B CN 201510460863 A CN201510460863 A CN 201510460863A CN 104975202 B CN104975202 B CN 104975202B
- Authority
- CN
- China
- Prior art keywords
- copper
- intermediate alloy
- iron
- preparation
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 108
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 104
- 238000002360 preparation method Methods 0.000 title claims abstract description 42
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 title abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 99
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 239000000126 substance Substances 0.000 claims abstract description 16
- 230000008018 melting Effects 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 12
- 238000005098 hot rolling Methods 0.000 claims abstract description 9
- 238000005554 pickling Methods 0.000 claims abstract description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000003801 milling Methods 0.000 claims abstract description 5
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 3
- 239000010949 copper Substances 0.000 claims description 46
- 229910052742 iron Inorganic materials 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 43
- 229910052802 copper Inorganic materials 0.000 claims description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 40
- 238000005266 casting Methods 0.000 claims description 35
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 6
- 238000007499 fusion processing Methods 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000001117 sulphuric acid Substances 0.000 claims description 4
- 235000011149 sulphuric acid Nutrition 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 150000001879 copper Chemical class 0.000 claims 1
- 238000005204 segregation Methods 0.000 abstract description 8
- 238000004458 analytical method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052746 lanthanum Inorganic materials 0.000 abstract description 2
- 229910021652 non-ferrous alloy Inorganic materials 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract description 2
- 229910017827 Cu—Fe Inorganic materials 0.000 abstract 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 24
- 238000000137 annealing Methods 0.000 description 18
- 238000013461 design Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000007670 refining Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- KVBCYCWRDBDGBG-UHFFFAOYSA-N azane;dihydrofluoride Chemical compound [NH4+].F.[F-] KVBCYCWRDBDGBG-UHFFFAOYSA-N 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- 102000002151 Microfilament Proteins Human genes 0.000 description 1
- 108010040897 Microfilament Proteins Proteins 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 210000003632 microfilament Anatomy 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
Abstract
The invention discloses copper-iron intermediate alloy and a preparation method and application thereof, and belongs to the technical field of non-ferrous alloy. The intermediate alloy comprises, by weight, 45-60% of Fe, 0.20-0.35% of Ni, more than 0 of RE and the balance Cu; RE is composed of rare earth elements of La and Ce. The preparation process of the intermediate alloy comprises the steps of raw material preparation, material dosing, vacuum melting, master batch component analysis, cast ingot surface milling, hot rolling, acid pickling, washing and shearing, wherein the materials are sheared to a long strip shape for standby use. According to the prepared copper-iron intermediate alloy, the chemical components are stable, and components in the upper portion, the middle portion and the lower portion of a cast ingot are even; Fe in the intermediate alloy is evenly distributed without segregation; the copper-iron intermediate alloy is the foundation for subsequent production of Cu-Fe series alloy.
Description
Technical field
The present invention relates to non-ferrous alloy technical field and in particular to a kind of copper and iron intermediate alloy and preparation method thereof and
Application, prepared intermediate alloy is used for producing high-performance copper ferroalloy.
Background technology
Metal material has a wide range of applications scope, but few to the report of copper-iron alloy both at home and abroad, by metal material
The knowledge learned can predict the Some features of cu-fe alloy: (1) fusing point should be higher than that cu is less than fe, if being used as vacuum
Electrical contact material to substitute cu alloy, then can improve its arc ablation resistance ability；(2) fine copper and pure iron all have good extension
Property, therefore cu-fe alloy should also possess this performance；(3) substitute, with fe, the cost that part cu can reduce cu material；(4) have
There is effectiveness.
Fig. 1 show cu-fe binary alloy phase diagram, and primary solid solution theory thinks: the atomic radius of two kinds of elements and electrification
Learn property more similar, then more easily form solid solution, but fe-cu system is exception, their atomic radius is almost equal, chemistry
Affinity or electronegativity and other chemical property are all much like, but the dissolubility very little below fusing point, during room temperature almost
Completely immiscible, when 300 DEG C, dissolubility remains as zero, and when 1094 DEG C, dissolubility also only has 5% about.Researcher is had to adopt liquid
Chilling method and thermal evaporation, solid solubility at most expands to 8% about.Extremely low solid solubility in cu for the fe, seriously limits cu-fe
The applied research of alloy.
In smelting process, some elements are to be added in the way of intermediate alloy to alloy.The side being added using intermediate alloy
Formula, on the one hand can reduce the melting loss of alloying element, thus realizing the precise control to alloy composition；The opposing party
Face, also shortens smelting time while reducing smelting temperature, is conducive to improving the life-span of smelting equipment, and energy saving.
Separately there are some researches show, the factor such as the composition of intermediate alloy, structure also can produce material impact to the performance of prepared alloy.
Therefore, by adopting specific intermediate alloy masterbatch during producing cu-fe bianry alloy, made to changing
The solid solubility of standby cu-fe bianry alloy, optimizes its performance and expansive approach scope, becomes a kind of new Research Thinking.
Content of the invention
It is an object of the invention to provide a kind of copper and iron intermediate alloy and its preparation method and application, in prepared copper and iron
Between in alloy fe constituent content be 45～60wt%, alloying component uniformly, is that masterbatch preparation cufe is serial using this intermediate alloy
Alloy, in alloy, fe content is high, and be evenly distributed, not segregation.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of copper and iron intermediate alloy, weight percentage, this master alloy chemistries is: fe45～60%, ni
0.20～0.35%, re > 0, cu be surplus；Wherein: re is rare earth element la and ce.
The preferred chemical composition of this intermediate alloy is: fe 48～52%, ni 0.20～0.30%, la < 0.02%, ce <
0.04%, cu are surplus.
There is the copper and iron intermediate alloy of above-mentioned chemical composition, be prepared in accordance with the following steps:
(1) raw material prepares: weight percentage, in raw material, each element percentage composition is: fe 45～60%, ni
0.20～0.35%, re 0.05～0.1%, cu are surplus；Wherein: re is rare earth element la and ce；Preferably proportioning raw materials
For: fe 48～52%, ni 0.25～0.30%, la 0.02～0.025%, ce 0.04～0.045%, cu are surplus.
(2) vacuum induction melting:
According to each element ratio dispensing in raw material, then carry out vacuum induction melting, in fusion process, vacuum≤8pa,
Refining temperature controls at 1300～1550 DEG C；Casting obtains alloy cast ingot；Fusion process is specific as follows:
Tough cathode, ingot iron are pressed proportioning and loaded in crucible, power transmission fusing, 1300～1550 DEG C of essences after evacuation in stove
Refining 20-30min；Add refine 20-30min again after ni and caf；It is eventually adding la and ce, after 40～50 seconds, start powered pouring
Casting.
(3) ingot mill surface:
Remove the thick top layer of ingot casting surface 2-3mm with vertical knee-type milling machine, its objective is to remove the high part of impurity content, simultaneously
Beneficial to following process；
(4) hot rolling cogging:
1000～1015 DEG C of rolling temperature, is incubated 90～100 minutes, rolls 6-7 passage, is hot-rolled down to 10～12mm, so
After be cold working to 5～6mm；
(5) sheet material after hot rolling cogging is carried out, and then cuts into the strip copper and iron intermediate alloy material of required specification.
In above-mentioned steps (2), described tough cathode, ingot iron and electrolytic nickel surface use front successively through pickling, washing and
Drying and processing, to ensure all raw material cleanings；Described pickling refers to: tough cathode adopts the sulfuric acid cleaned of concentration 30vol.%, work
Industry pure iron adopts the hydrochloric acid cleaning of concentration 30vol.%, and electrolytic nickel adopts the nitric acid cleaning of concentration 40vol.%.
Cleaning process in above-mentioned steps (5) is: the oxide skin of plate surface is first washed away with the sulphuric acid of concentration 30vol.%,
With clear water, the residual acid on surface is rinsed well again.
Copper and iron intermediate alloy of the present invention is used for the masterbatch during alloy material preparation of copper and iron system.
The copper and iron intermediate alloy design principle that the present invention is used for preparing cu-fe series alloy is as follows:
1st, it is to produce cu-fe series alloy, be initially formed cufe intermediate alloy masterbatch.The advantage of masterbatch is to reduce cu-
The fusing point of fe series alloy, reduces oxidation and the scaling loss of fe, and passes through secondary vacuum remelting, make fe in cu-fe series alloy
Be evenly distributed, not segregation.
2nd, be make composition uniform cufe intermediate alloy masterbatch, be simultaneously introduced specific proportioning rare earth element la (lanthanum) and
Ce (cerium).
3rd, rare earth element la and ce has purification, roguing effect, and works in coordination with work with other elements under specific process conditions
With thus fully refining the crystal grain of cu-fe As-cast Microstructure, reducing the generation of segregation.
Advantages of the present invention and having the beneficial effect that:
1st, the copper and iron master alloy chemistries of present invention preparation are stable, and ingot casting upper, middle and lower composition is uniform；
2nd, in the copper and iron intermediate alloy of the present invention preparation fe Elemental redistribution uniformly, not segregation；
3rd, the copper and iron intermediate alloy of present invention preparation creates condition as masterbatch for subsequent production cu-fe series alloy.
Brief description
Fig. 1 is cufe binary alloy phase diagram.
Fig. 2 is the cufe intermediate alloy metallographic microscopic appearance figure of embodiment 1 preparation.
Fig. 3 is metallographic microscopic appearance figure under cufe alloy as-cast condition prepared by embodiment 1.
Fig. 4 is metallographic microscopic appearance figure under cufe alloy forging state prepared by embodiment 1.
Fig. 5 is the cufe alloy tensile of embodiment 1 preparation to metallographic microscopic appearance figure during ф 8.4mm.
Specific embodiment
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
Copper and iron intermediate alloy of the present invention as the masterbatch of cu-fe system alloy preparation, the preparation process of this intermediate alloy is
The preparation process of this intermediate alloy is: raw material preparation → dispensing → vacuum melting → masterbatch component analysis → ingot mill surface → hot rolling
→ pickling, washing → shearing；Following examples are prepared in accordance with the following steps:
(1) raw material prepares
In raw material, each element proportioning is (wt.%): fe 45～60%, ni 0.20～0.35%, re 0.05～0.1%,
Cu is surplus；Wherein: re is rare earth element la and ce；Preferably proportioning raw materials are: fe 48～52%, ni 0.25～
0.30%, la 0.02～0.025%, ce 0.04～0.045%, cu are surplus.
(2) dispensing: weigh by each element proportion speed in raw material.By tough cathode, ingot iron, electrolytic nickel surface through acid
Wash, wash, drying and processing it is ensured that all raw materials cleaning.Acid cleaning process is: tough cathode adopts the sulphuric acid of concentration 30vol.% clear
Wash, ingot iron adopts the hydrochloric acid cleaning of concentration 30vol.%, electrolytic nickel adopts the nitric acid cleaning of concentration 40vol.%.
(3) vacuum melting
Tough cathode, ingot iron are loaded in crucible, electrolytic nickel and caf load in loading hopper, and rare earth element la and ce fills
Enter in feeder；Banking evacuation, vacuum≤8pa (i.e. 6 × 10-2mmhg)；Power transmission fusing after refine 25min, then ni and
Caf refine 25min again, is eventually adding la and ce, starts powered casting after 45 seconds, obtains alloy cast ingot.Vacuum melting adopts
Vacuum induction furnace model: zg-0.025；Refining temperature controls at 1300～1550 DEG C.
(4) masterbatch component analysis
Fe is covered using ammonium acid fluoride, then detects the content of the upper and lower cu of masterbatch ingot casting with chemistry titration, precisely determine female
In material, cu, fe composition is particularly significant to the production of next step cufe system alloy.
(5) ingot mill surface
Remove the high part of ingot surface impurity content (removing 2mm thickness top layer) with vertical knee-type milling machine, be beneficial to follow-up adding simultaneously
Work.
(6) hot rolling cogging
Heating by electric cooker: 1010 DEG C of temperature, it is incubated 90～100 minutes, be hot-rolled down to 12mm, be cold working to 5～6mm.Used set
Standby: φ 250 × 450 2 roller hot-rolling mill.
(7) pickling, washing: wash away the oxide skin on masterbatch surface and with clear water by the residual acid on surface with sulphuric acid (30vol.%)
Rinse well.
(8) shear: masterbatch plate shears are cut into corresponding strip stand-by as intermediate alloy.
Using the strip intermediate alloy of above-mentioned preparation as the high ductibility copper-iron alloy of required preparation masterbatch, for preparing
The process of high ductibility copper-iron alloy is as follows:
(1) raw material prepares and dispensing
By tough cathode and strip intermediate alloy masterbatch surface successively through pickling, washing and drying and processing it is ensured that all raw materials
Cleaning, described pickling refers to: tough cathode adopts the sulfuric acid cleaned of concentration 30vol.%, and ingot iron adopts concentration 30vol.%
Hydrochloric acid cleans, and electrolytic nickel adopts the nitric acid cleaning of concentration 40vol.%；
High ductibility copper-iron alloy chemical composition to be prepared be (wt.%): fe be 4.0～8.0%, balance of cu and
Inevitably impurity；Preferably chemical composition be (wt.%): fe be 4.8～5.8%, balance of cu and inevitably miscellaneous
Matter；In alloy: c≤0.03%, s≤0.01%, p≤0.01%.
Raw material after cleaning is pressed required alloy proportion correct amount；Described intermediate alloy masterbatch is as required preparation Gao Yan
The source of ferrum element and part copper in malleability copper-iron alloy, described tough cathode is as the source of remainder copper；
(2) vacuum melting
In Vacuum Melting: refining temperature controls at 1200～1500 DEG C；Vacuum≤2pa (i.e. 1.5 × 10- 2mmhg)；Vacuum melting device therefor: zg-0.025 vacuum induction furnace, fusion process is:
Tough cathode, strip intermediate alloy masterbatch are loaded in crucible, caf loads in loading hopper, banking evacuation, and power transmission melts
Refine 20min after change, is subsequently adding caf, again refine 20min, then starts powered casting after being filled with noble gases ar in stove,
Obtain described high ductibility copper-iron alloy ingot casting.
In (3) on the prepared copper-iron alloy ingot casting of using plasma Atomic Emission Spectrometer AES (icp-1000) detection,
The composition of lower fe.
Prepared high ductibility copper-iron alloy (ingot casting) is further processed into silk material, process comprises the steps:
(1) alloy cast ingot car light:
By copper-iron alloy ingot casting qualified for composition in ca6140 lathe upper surface car light.
(2) forge hot and forging rear car light:
Flat-die forging on 750kg pneumatic hammer, 860 DEG C of heating by electric cooker temperature, after insulation 90 minutes, carry out after two upsettings two pull out
Forge to ф 45mm bar；Then car light is to ф 42mm bar.
(3) hot rolling:
850 DEG C of heating by electric cooker temperature, after insulation 70 minutes, on ф 250 × 350 pass milling train, rolling (stalk pressure) is to ф
13mm bar.
(4) cold working and pilot process vacuum annealing:
Step (3) gained ф 13mm bar is carried out disk circle, annealing (550～730 DEG C of annealing temperature) and cold drawing successively
Process, repeat this process 4 times, after obtaining ф 1.5mm silk material, carry out the annealing under the conditions of 550～730 DEG C again；In this step
Device therefor ls-20 ton chain drawbench；1/560th, 1/350,1/250 upright stretching machine；ф 800 pit type annealing furnace etc..
(5) microfilament drawing:
After vacuum annealing, soft state ф 1.5mm silk material carries out multi pass drawing process, and every time working modulus 15% is drawn to ф
0.9mm；Continuous annealing furnace makes annealing treatment (hydrogen): 740 DEG C of furnace temperature, draws and takes (machine) speed 80, and silk material elongation percentage after annealing >=
25%；ф 0.9mm silk material is carried out multi pass drawing process, every time working modulus 15%, it is drawn to ф 0.4mm；Continuous annealing
Furnace annealing processes (hydrogen): 740 DEG C of furnace temperature, draws and takes (machine) speed 70, silk material elongation percentage >=25% after annealing；By ф 0.4mm silk
Material is drawn to ф 0.18mm, every time working modulus 13%；Continuous hydrogen annealing furnace annealing: 740 DEG C of furnace temperature, draw and take (machine) speed
Degree 70, silk material elongation percentage >=20% after annealing；ф 0.18mm silk material is drawn to ф 0.06mm, every time working modulus 12%；Even
Continuous hydrogen annealing furnace annealing: 740 DEG C of furnace temperature, draw and take (machine) speed 70, after annealing, silk material elongation percentage is 13～16%.
Embodiment 1
1st, the concrete consumption that the present embodiment prepares each raw material of copper and iron intermediate alloy masterbatch is (wt.%): fe=48%；Ni=
0.25%；La=0.02%；Ce=0.04%；Cu=51.69%；Gained intermediate alloy masterbatch (1#) composition is shown in Table 1, in the middle of this
Microstructure of the alloy microscopic appearance figure such as Fig. 2, is become by the copper and iron intermediate alloy chemistry that Fig. 2 with Biao 1 data can be seen that present invention preparation
Divide stable, ingot casting upper, middle and lower composition is uniform；Fe element is evenly distributed in intermediate alloy, not segregation.
2nd, prepare high ductibility cufe alloy, Design of Chemical Composition is (wt.%): fe=4.8%, cu=95.2%.Institute
As shown in table 2, ingot chemistry is stable, and ingot casting upper, middle and lower composition is uniform for the copper-iron alloy ingot casting composition of preparation；Casting shape
Metallographic microscopic appearance figure under state, fig. 3, it is shown that cu, fe solid solution is good, still has the rich fe of part free state to deposit
?.Metallographic microscopic appearance after ingot casting is forged is as shown in figure 4, free rich fe under as cast condition obtains part through heating and forging
Broken.
3rd, cufe alloy bar material is processed into silk material, is stretched to metallographic microscopic appearance such as Fig. 5 during ф 8.4mm silk material, from
In figure can be seen that through heating repeatedly, heat treatment and repeatedly stalk pressure, after stretch process, the distribution of fe more uniformly, refinement.
Finally it is prepared into ф 0.06mm silk material, after tested, this ф 0.06mm silk material tensile strength >=400n/mm2；Elongation percentage is 13-
16%；This copper-iron alloy also has excellent effectiveness.
Embodiment 2
1st, the concrete consumption that the present embodiment prepares each raw material of copper and iron intermediate alloy masterbatch is (wt.%): fe=51%；Ni=
0.28%；La=0.025%；Ce=0.045%；Cu=48.65%；
2nd, prepare high ductibility cufe alloy, Design of Chemical Composition is (wt.%): fe=5.0%, cu=95.0%.Institute
As shown in table 2, ingot chemistry is stable, and ingot casting upper, middle and lower composition is uniform for the copper-iron alloy ingot casting composition of preparation；
3rd, cufe alloy cast ingot is processed into ф 0.06mm silk material, after tested, this ф 0.06mm silk material tensile strength >=
400n/mm2；Elongation percentage is 13-16%；This copper-iron alloy also has excellent effectiveness.
Embodiment 3
1st, the present embodiment preparation copper and iron intermediate alloy masterbatch process is with embodiment 1.
2nd, prepare high ductibility cufe alloy, Design of Chemical Composition is (wt.%): fe=5.2%, cu=94.8%.Institute
As shown in table 2, ingot chemistry is stable, and ingot casting upper, middle and lower composition is uniform for the copper-iron alloy ingot casting composition of preparation；
3rd, cufe alloy cast ingot is processed into ф 0.06mm silk material, after tested, this ф 0.06mm silk material tensile strength >=
400n/mm2；Elongation percentage is 13-16%；This copper-iron alloy also has excellent effectiveness.
Embodiment 4
1st, the present embodiment preparation copper and iron intermediate alloy masterbatch process is with embodiment 1.
2nd, prepare high ductibility cufe alloy, Design of Chemical Composition is (wt.%): fe=5.4%, cu=94.6%.Institute
As shown in table 2, ingot chemistry is stable, and ingot casting upper, middle and lower composition is uniform for the copper-iron alloy ingot casting composition of preparation；
3rd, cufe alloy cast ingot is processed into ф 0.06mm silk material, after tested, this ф 0.06mm silk material tensile strength >=
400n/mm2；Elongation percentage is 13-16%；This copper-iron alloy also has excellent effectiveness.
Embodiment 5
1st, the concrete consumption that the present embodiment prepares each raw material of copper and iron intermediate alloy masterbatch is (wt.%): fe=49%；Ni=
0.26%；La=0.02%；Ce=0.04%；Cu=51.68%；Gained intermediate alloy masterbatch (2#) composition is shown in Table 1, by table 1
The copper and iron master alloy chemistries that data can be seen that present invention preparation are stable, and ingot casting upper, middle and lower composition is uniform；Fe element
Intermediate alloy is evenly distributed, not segregation.
2nd, prepare high ductibility cufe alloy, Design of Chemical Composition is (wt.%): fe=5.6%, cu=94.4%.Institute
As shown in table 2, ingot chemistry is stable, and ingot casting upper, middle and lower composition is uniform for the copper-iron alloy ingot casting composition of preparation；
3rd, cufe alloy cast ingot is processed into ф 0.06mm silk material, after tested, this ф 0.06mm silk material tensile strength >=
400n/mm2；Elongation percentage is 13-16%；This copper-iron alloy also has excellent effectiveness.
Embodiment 6
1st, the concrete consumption that the present embodiment prepares each raw material of copper and iron intermediate alloy masterbatch is (wt.%): fe=50%；Ni=
0.27%；La=0.02%；Ce=0.04%；Cu=49.67%；Gained intermediate alloy masterbatch (3#) composition is shown in Table 1, by table 1
The copper and iron master alloy chemistries that data can be seen that present invention preparation are stable, and ingot casting upper, middle and lower composition is uniform；Fe element
Intermediate alloy is evenly distributed, not segregation.
2nd, prepare high ductibility cufe alloy, Design of Chemical Composition is (wt.%): fe=5.8%, cu=94.2%.Institute
As shown in table 2, ingot chemistry is stable, and ingot casting upper, middle and lower composition is uniform for the copper-iron alloy ingot casting composition of preparation；
3rd, cufe alloy cast ingot is processed into ф 0.06mm silk material, after tested, this ф 0.06mm silk material tensile strength >=
400n/mm2；Elongation percentage is 13-16%；This copper-iron alloy also has excellent effectiveness.
Cufe intermediate alloy masterbatch (ingot casting) chemical composition measured value (analysis method: use as shown in table 1 in above-described embodiment
Ammonium acid fluoride covers fe, and then titrimetry surveys cu content, surveys other elements content in conjunction with other elements analysis method).Prepared
Copper-iron alloy ingot chemistry measured value as shown in table 2, using plasma Atomic Emission Spectrometer AES (icp-1000) is examined
Survey the composition of prepared ingot casting upper, middle and lower fe.
Table 1 cufe intermediate alloy masterbatch (ingot casting) chemical composition (wt.%)
Table 2 cufe alloy (ingot casting) chemical composition measured value (wt.%)
Claims (8)
1. a kind of preparation method of copper and iron intermediate alloy it is characterised in that: weight percentage, described copper and iron intermediate alloy
Chemical composition is: fe 45～60%, ni 0.20～0.35%, re > 0, cu be surplus；Wherein: re is rare earth element la and ce；
The preparation method of described copper and iron intermediate alloy comprises the steps:
(1) raw material prepares: weight percentage, and in raw material, each element percentage composition is: fe 45～60%, ni 0.20～
0.35%, re 0.05～0.1%, cu are surplus；Wherein: re is rare earth element la and ce；
(2) vacuum induction melting:
According to each element ratio dispensing in raw material, then carry out vacuum induction melting, in fusion process, vacuum≤8pa, refine
Temperature control is at 1300～1550 DEG C；Casting obtains alloy cast ingot；
(3) ingot mill surface:
Remove the thick top layer of ingot casting surface 2-3mm with vertical knee-type milling machine, its objective is to remove the high part of impurity content, be beneficial to simultaneously
Following process；
(4) hot rolling cogging:
1000～1015 DEG C of rolling temperature, is incubated 90～100 minutes, rolls 6-7 passage, is hot-rolled down to 10～12mm, Ran Houleng
It is machined to 5～6mm；
(5) sheet material after hot rolling cogging is carried out, and then cuts into the strip copper and iron intermediate alloy material of required specification.
2. copper and iron intermediate alloy according to claim 1 preparation method it is characterised in that: in step (1), by weight hundred
Divide content meter, in raw material, each element percentage composition is: fe 48～52%, ni 0.25～0.30%, la 0.02～0.025%,
Ce 0.04～0.045%, cu are surplus.
3. copper and iron intermediate alloy according to claim 1 preparation method it is characterised in that: weight percentage,
This copper and iron master alloy chemistries is: fe 48～52%, ni 0.20～0.30%, la < 0.02%, ce < 0.04%, and cu is
Surplus.
4. copper and iron intermediate alloy according to claim 1 preparation method it is characterised in that: fusion process in step (2)
Specific as follows:
Tough cathode, ingot iron are pressed proportioning and loaded in crucible, power transmission fusing, 1300～1550 DEG C of refines after evacuation in stove
20-30min；Add electrolytic nickel and caf2Refine 20-30min again afterwards；It is eventually adding la and ce, start powered after 40～50 seconds
Casting.
5. copper and iron intermediate alloy according to claim 4 preparation method it is characterised in that: described tough cathode, technical pure
Ferrum and electrolytic nickel surface use front successively through pickling, washing and drying and processing, to ensure all raw materials cleanings.
6. copper and iron intermediate alloy according to claim 5 preparation method it is characterised in that: described pickling refers to: negative electrode
Copper adopts the sulfuric acid cleaned of concentration 30vol.%, and ingot iron adopts the hydrochloric acid cleaning of concentration 30vol.%, and electrolytic nickel adopts dense
The nitric acid cleaning of degree 40vol.%.
7. copper and iron intermediate alloy according to claim 1 preparation method it is characterised in that: the cleaning in step (5)
Cheng Wei: first wash away the oxide skin of plate surface with the sulphuric acid of concentration 30vol.%, then with clear water, the residual acid on surface is rinsed well.
8. copper and iron intermediate alloy according to claim 1 preparation method it is characterised in that: prepared intermediate alloy is used
Masterbatch when the alloy material preparation of copper and iron system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460863.1A CN104975202B (en) | 2015-07-30 | 2015-07-30 | Copper-iron intermediate alloy and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460863.1A CN104975202B (en) | 2015-07-30 | 2015-07-30 | Copper-iron intermediate alloy and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104975202A CN104975202A (en) | 2015-10-14 |
| CN104975202B true CN104975202B (en) | 2017-02-01 |
Family
ID=54272163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510460863.1A Active CN104975202B (en) | 2015-07-30 | 2015-07-30 | Copper-iron intermediate alloy and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104975202B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3524703B1 (en) * | 2017-02-06 | 2021-11-17 | MTA Co., Ltd. | Iron-copper alloy having high thermal conductivity and method for manufacturing same |
| CN109055801B (en) * | 2018-07-31 | 2019-11-12 | 陕西斯瑞新材料股份有限公司 | A kind of preparation method using vacuum consumable arc-melting CuFe alloy material |
| CN109112366B (en) * | 2018-10-29 | 2019-09-27 | 长春工业大学 | A kind of processing method of aluminum-silicon alloy alterative |
| CN109371270B (en) * | 2018-11-07 | 2020-02-07 | 西安斯瑞先进铜合金科技有限公司 | Preparation method for CuFe master alloy material by vacuum induction melting |
| CN109576516B (en) * | 2018-12-19 | 2020-11-03 | 湘潭大学 | Short-process preparation method of copper-iron alloy plate wire for electromagnetic wave shielding |
| CN110551915B (en) * | 2019-08-29 | 2021-02-02 | 宁波金田铜业(集团)股份有限公司 | Copper-iron intermediate alloy and preparation method thereof |
| CN113122751A (en) * | 2021-03-04 | 2021-07-16 | 安徽绿能技术研究院有限公司 | Smelting and forming process for copper-iron alloy with high strength and high conductivity |
| CN113481394B (en) * | 2021-06-24 | 2022-05-20 | 宁波金田铜业(集团)股份有限公司 | Copper-iron alloy modifier, preparation method and use method thereof |
| CN114000008B (en) * | 2021-09-29 | 2022-06-24 | 宁波兴业盛泰集团有限公司 | Metastable immiscible copper-iron alloy and preparation method thereof |
| CN115896603A (en) * | 2022-10-26 | 2023-04-04 | 有研稀土新材料股份有限公司 | Iron-copper-rare earth intermediate alloy and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1029484C (en) * | 1993-05-12 | 1995-08-09 | 海安县铜材厂 | Rare-earth-copper-iron alloy and producing method thereof |
| CN102994800B (en) * | 2012-11-20 | 2015-05-13 | 江苏高博智融科技有限公司 | Superconductivity copper and iron alloy and preparation method thereof |
| CN103243231B (en) * | 2013-04-23 | 2015-06-17 | 中色（宁夏）东方集团有限公司 | High-strength high-conductivity copper base alloy and preparation method thereof |
| KR101376602B1 (en) * | 2013-09-06 | 2014-04-02 | (주)대한엠앤씨 | Electromagnetic wave shielding fe-cu foil and manufacturing method for the same |
-
2015
- 2015-07-30 CN CN201510460863.1A patent/CN104975202B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104975202A (en) | 2015-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105177344B (en) | Cu-Fe alloy wire and preparing method thereof | |
| CN104975202B (en) | Copper-iron intermediate alloy and preparation method and application thereof | |
| CN104988350B (en) | A kind of high ductibility copper-iron alloy and preparation method thereof and copper-iron alloy silk material | |
| CN103243283B (en) | The preparation method of ultrafine grain rare earth magnesium alloy | |
| CN109128102B (en) | A kind of high strength and high flexibility nickel base superalloy band and preparation method thereof | |
| CN106811628B (en) | A kind of method of casting and roll process production power battery case aluminium strip | |
| CN103266238B (en) | High-zinc-copper alloy cutting bus and processing method thereof | |
| CN108359836B (en) | Preparation method of Cu-Cr-Zr alloy thin strip based on sub-rapid solidification | |
| CN101886189A (en) | Beta titanium alloy and preparation method thereof | |
| CN109402446A (en) | A kind of high-end frame material copper strips preparation process | |
| CN107739878B (en) | A kind of anti-softening copper alloy of high-strength highly-conductive and preparation method thereof | |
| CN101481778A (en) | Austenic stainless steel strip and manufacturing method thereof | |
| CN108456799A (en) | A kind of high-performance copper ferroalloy materials and its electroslag remelting preparation method | |
| CN104103338B (en) | A kind of production technology of cable copper strip | |
| CN106756202A (en) | A kind of blaster fuse frame material complicated pluralism Cu alloy material and preparation method thereof | |
| CN106544540B (en) | A kind of high intensity, high rigidity, wear-resisting precious metal alloys and preparation method | |
| CN102808105A (en) | Method for preparing shape memory copper alloy | |
| CN107739998B (en) | A kind of preparation method of flat cold-rolled sheet | |
| CN101797679B (en) | Method for manufacturing high-purity metal wire | |
| CN106480368A (en) | One kind wards off rear high-strength hot rolled steel plate for counter enameling and its manufacture method | |
| CN101763910B (en) | Low tin-copper alloy contact wire for electric railway and manufacturing method thereof | |
| CN102409258B (en) | Structural homogeneity control method of boron-containing high strength hydrogen resistant brittle alloy | |
| CN105483425A (en) | High-strength copper strap wire alloy wire material and production technology thereof | |
| CN106319282B (en) | A kind of low cost, high-ductility, seawater corrosion resistance titanium alloy | |
| CN106435273A (en) | High-plasticity corrosion-resistant Zn-Cu-Ti alloy and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170221 Granted publication date: 20170201 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170821 Granted publication date: 20170201 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20170821 Granted publication date: 20170201 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200821 Granted publication date: 20170201 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200821 Granted publication date: 20170201 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230821 Granted publication date: 20170201 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230821 Granted publication date: 20170201 |