CN107739884A - A kind of high-conductivity copper alloy and preparation method thereof - Google Patents
A kind of high-conductivity copper alloy and preparation method thereof Download PDFInfo
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- CN107739884A CN107739884A CN201711100110.5A CN201711100110A CN107739884A CN 107739884 A CN107739884 A CN 107739884A CN 201711100110 A CN201711100110 A CN 201711100110A CN 107739884 A CN107739884 A CN 107739884A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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Abstract
The present invention relates to a kind of high-conductivity copper alloy and preparation method thereof, belongs to copper alloy technical field.The high-conductivity copper alloy of the present invention, is made up of the component of following weight/mass percentage composition：Be 0.3%~0.6%, Co 0.8%~1.5%, Be and Co mass ratio are 1：2~3, surplus is Cu and inevitable impurity.The present invention high-conductivity copper alloy, strictly control Be, Co, Cu each element content, and control Be and Co mass ratio be 1：2~3 so that high-conductivity copper alloy of the invention has high conductance and room temperature hardness, and conductance is up to more than 75%IACS, and room temperature hardness is in more than 185HB.
Description
Technical field
The present invention relates to a kind of high-conductivity copper alloy and preparation method thereof, belongs to copper alloy technical field.
Background technology
High-efficiency and continuous casting aluminium sheet stock with roller case material need to have excellent conductivity can copper alloy, select in Copper substrate
Middle addition solid solubility varies with temperature the beryllium element (Be) and cobalt element (Co) drastically reduced, the beraloy being prepared,
It is typical heat treatment reinforcement type copper alloy, is the preferred material for meeting above-mentioned field performance requirement.
The acquisition of beraloy superperformance needs rational Technology for Heating Processing.Wherein, the purpose of solution treatment be
Ensureing that crystal grain is as much as possible on the premise of not being roughened makes solute atoms dissolve in Copper substrate, obtains supersaturated αsolidsolution,
And then do tissue preparation for the follow-up timeliness of alloy.Except having outside the Pass with temperature, solution treatment also with soaking time, come out of the stove transfer when
Between, cooling medium it is relevant.Aging strengthening model is decomposed by supersaturated αsolidsolution, and the precipitation and growth of hardening constituent, is realized
Alloy property is obviously improved, except having outside the Pass with super saturated solid solution degree, mainly by aging temp and time effects.
What Li Ningning et al. in July, 2015 delivered in the tenth once whole nation heat treatment conference collection of thesis《Heat treatment is to Cu-
The influence of 0.23Be-0.84Co alloy property tissues》In disclose a kind of Cu-0.23Be-0.84Co alloys and preparation method thereof,
Resulting Cu-0.23Be-0.84Co alloy conductives rate and mechanical property still need further to be improved.
The content of the invention
It is an object of the invention to provide a kind of high-conductivity copper alloy, and the high-conductivity copper alloy is while with high conductance
Excellent in mechanical performance.
Second object of the present invention is to provide a kind of preparation method of high-conductivity copper alloy.
To achieve the above object, the technical scheme of high-conductivity copper alloy of the present invention is：
A kind of high-conductivity copper alloy, it is made up of the component of following weight/mass percentage composition：Be 0.3%~0.6%, Co0.8%~
1.5%, Be and Co mass ratio are 1：2~3, surplus is Cu and inevitable impurity.
Above-mentioned high-conductivity copper alloy, it is made up of the component of following weight/mass percentage composition：Be 0.4%, Co 1.0%, Be and Co
Mass ratio be 1：2.5, surplus is Cu and inevitable impurity.
Above-mentioned high-conductivity copper alloy is high-efficiency and continuous casting high-conductivity copper alloy.
The inevitably impurity is Al, Si, Fe, Sn.
Described inevitably impurity A l, Si, Fe, Sn total content≤0.05%.
The technical scheme of the height preparation method of leading alloy of the present invention is：
A kind of preparation method of high-conductivity copper alloy, comprises the following steps：
1) raw material is subjected to founding, plastic deformation handles to obtain plastic working material；
2) by plastic working material under inert gas shielding in 890~970 DEG C be incubated 0.5~2h after be transferred to it is cold in water
But, solution treatment is completed, obtains alloy blank；The transfer time is 3~5s；
3) alloy blank is subjected to cold deformation processing, the deflection of the cold deformation is 10%~95%, when carrying out afterwards
Effect, which is handled, to be produced.
The dosage of each raw material is calculated according to the weight/mass percentage composition of each component in above-mentioned high-conductivity copper alloy in step 1).
Raw material in step 1) is electrolytic copper plate, pure cobalt piece, intermediate alloy Cu-3.3Be.
Founding in step 1) is in 1150~1250 DEG C of 30~60min of melting by raw material.Raw material adds during the founding
Enter order and be followed successively by electrolytic copper plate, pure cobalt piece, intermediate alloy Cu-3.3Be.
30~the 60min of melting is after 1200~1300 DEG C of moulding by casting.Alloy cast ingot is obtained after the moulding by casting.
Above-mentioned alloy cast ingot is plastically deformed by being plastic deformation in step 1).
Forging and stamping or extruding are plastic deformation in step 1).
The temperature of plastic deformation in step 1) is 850~950 DEG C, and the time is 0.5~1.5h.
The deflection of plastic deformation in step 1) is 80%-90%.
Inert gas in step 2) is nitrogen or argon gas.
Carried out in step 2) in 890~970 DEG C of 0.5~2h of insulation in tube furnace.
Transfer time in step 2) is that alloy cast ingot is taken out to the time being transferred in water from tube furnace.
Water in step 2) is the water of flowing.The running water preferably flowed.
Cold deformation is cold upsetting or cold drawing in step 3).
The deflection of the cold upsetting is preferably 30%~80%.Because the maximum applied in the height direction to alloy
Deflection is restricted, and conference causes sample unstability to deflection again.
The deflection of the cold drawing is preferably 50%~95%.More preferably 90%~95%.Cold drawing is logical
The deformation that pull-out test machine carries out sectional area in the longitudinal direction is crossed, deflection can be very big, and cold drawing is typically can be controlled in
10%~95%, especially by larger deflection (50%-95%), a large amount of deformation dislocations are formed in Copper substrate, after being
The precipitation of hardening constituent and growth offer forming core power, promote Precipitation process, are advantageous to alloy rigidity in continuous ag(e)ing process
Significantly lifted.
Ageing Treatment in step 3) is：Under inert gas shielding, 0.5~8h, Ran Houkong are incubated in 400~500 DEG C
It is cooled to room temperature.
Inert gas in the ageing process is nitrogen or argon gas.
The high-conductivity copper alloy of the present invention, the content of Be, Co, Cu each element is strictly controlled, and control Be and Co mass ratio
For 1：2~3 so that high-conductivity copper alloy of the invention has a high conductance and room temperature hardness, conductance be up to 75%IACS with
On, room temperature hardness is in more than 185HB.
The preparation method of the high-conductivity copper alloy of the present invention, be incubated in 890~970 DEG C during solution treatment 0.5~2h after 3~
5s is transferred in water and cooled down, and accurate control transfer time be that 3~5s, Be and Co are fully dissolved into Copper substrate and form supersaturated consolidate
Solution, come out of the stove from high temperature and cool down this stage to Putting into water rapidly, by control short transfer time as far as possible, allow the mistake formed
What saturated solid solution was tried one's best completely remains, and will not be decomposed because transfer time is long, to follow-up alloy conductive
The holding and lifting of rate have a significant effect.
The preparation method of the high-conductivity copper alloy of the present invention, by strictly controlling transfer time of solution treatment, cold deformation
Mode and deflection, the temperature and time of Ageing Treatment, a kind of conductance height is obtained, the height of excellent in mechanical performance leads copper conjunction
Gold.
Embodiment
Embodiment 1
The high-conductivity copper alloy of the present embodiment, it is made up of the component of following weight/mass percentage composition：Be 0.4%, Co0.8%, Be
Mass ratio with Co is 1：2, impurity component Al, Si, Fe, Sn total content≤0.05%, surplus Cu.
The preparation method of the high-conductivity copper alloy of the present embodiment, comprises the following steps：
1) founding and plastic deformation：According to electrolytic copper plate, pure cobalt piece, intermediate alloy Cu-3.3Be sequential feeds, be put into
In 1150 DEG C of melting 60min in smelting furnace, poured into a mould when all melting and liquation is in mirror-like, pouring temperature 1200
DEG C, cooling, obtain alloy cast ingot；Alloy cast ingot is subjected to plastic extruding deformation, the temperature of plastic deformation is 850 DEG C, and the time is
1.5h, amount of plastic deformation 80%, cooling obtain alloy plasticity processing material；
2) solution heat treatment：The alloy plasticity prepared by founding and plastic deformation process is processed into material and is put into nitrogen protection
Tube furnace in be heated to 890 DEG C, be incubated 2h, then be transferred quickly to be cooled down in the running water of flowing by sample, complete
Solution heat treatment, obtain alloy blank, transfer time 3s；
3) cold deformation：Alloy blank is realized to the deformation of length direction, deflection 80% by the way of cold drawing；
4) aging strengthening model：Alloy after cold deformation is handled, it is put into the tube furnace of nitrogen protection, is warming up to stove
400 DEG C, 8h is incubated, then sample is taken out from tube furnace, puts and is cooled to room temperature in atmosphere, is produced.
High-conductivity copper alloy Cu-0.4Be-0.8Co made from the present embodiment, conductance 76.1%IACS, room temperature hardness are
185HB, it is especially suitable for the fields such as aluminum slab high efficiency continuous casting and uses.
Embodiment 2
The high-conductivity copper alloy of the present embodiment, it is made up of the component of following weight/mass percentage composition：Be 0.5%, Co 1.5%,
And Be and Co mass ratio is 1：3, impurity component Al, Si, Fe, Sn total content≤0.05%, surplus Cu.
The preparation method of the high-conductivity copper alloy of the present embodiment, comprises the following steps：
1) founding and plastic deformation：According to electrolytic copper plate, pure cobalt piece, intermediate alloy Cu-3.3Be sequential feeds, be put into
In 1170 DEG C of melting 50min in smelting furnace, poured into a mould when raw material all melts and liquation is in mirror-like, pouring temperature is
1220 DEG C, cooling, obtain alloy cast ingot；Alloy cast ingot is subjected to plastic extruding deformation, the heating-up temperature of plastic deformation is 870
DEG C, soaking time 1.2h, plastic extruding deformation amount is 84%, and cooling obtains alloy plasticity processing material；
2) solution heat treatment：The alloy plasticity prepared by founding and plastic deformation process is processed into material, is put into argon gas guarantor
930 DEG C are warming up to stove in the tube furnace of shield, is incubated 1.5h, is carried out in the running water for being then transferred quickly to sample to flow cold
But, solution heat treatment is completed, obtains alloy blank, transfer time 5s；
3) cold deformation：Alloy blank is realized to the deformation of length direction, deflection 90% by the way of cold drawing；
4) aging strengthening model：Alloy after cold deformation is handled, it is put into the tube furnace of argon gas protection and heated up with stove
To 450 DEG C, 4h is incubated, then sample is taken out from heating furnace, puts and is cooled to room temperature in atmosphere, is produced.
High-conductivity copper alloy Cu-0.5Be-1.5Co made from the present embodiment, conductance 75.6%IACS, room temperature hardness are
193HB, it is especially suitable for the fields such as aluminum slab high efficiency continuous casting and uses.
Embodiment 3
The high-conductivity copper alloy of the present embodiment, it is made up of the component of following weight/mass percentage composition：Be 0.4%, Co 1.0%,
And Be and Co mass ratio is 1：2.5, impurity component Al, Si, Fe, Sn total content≤0.05%, surplus Cu.
The preparation method of the high-conductivity copper alloy of the present embodiment, comprises the following steps：
1) founding and plastic deformation：According to electrolytic copper plate, pure cobalt piece, Cu-3.3Be intermediate alloys sequential feeds, be put into
Heating fusing is carried out in smelting furnace, smelting temperature is 1200 DEG C, smelting time 40min, treats all fusings and liquation is in minute surface
Poured into a mould during shape, pouring temperature is 1250 DEG C, cooling, obtains alloy cast ingot；Alloy cast ingot is subjected to forging and stamping plastic deformation, moulded
Property deformation heating-up temperature be 890 DEG C, soaking time 1h, amount of plastic deformation 86%, cooling obtain alloy plasticity processing material；
2) solution heat treatment：The alloy plasticity prepared by founding and plastic deformation process is processed into material, is put into nitrogen guarantor
970 DEG C are warming up to stove in the tube furnace of shield, is incubated 0.5h, is carried out in the running water for being then transferred quickly to sample to flow cold
But, solution heat treatment is completed, obtains alloy blank, transfer time 4s；
3) cold deformation：Alloy blank is realized to the deformation of length direction by the way of cold drawing, deformation amount controlling is
95%；
4) aging strengthening model：Alloy after cold deformation is handled, it is put into the tube furnace of nitrogen protection and is warming up to 500 with stove
DEG C, 2 hours are incubated, then sample is taken out from heating furnace, puts and is cooled to room temperature in atmosphere, is produced.
High-conductivity copper alloy Cu-0.4Be-1.0Co made from the present embodiment, conductance 78.9%IACS, room temperature hardness are
204HB, it is especially suitable for the fields such as aluminum slab high efficiency continuous casting and uses.
Embodiment 4
The high-conductivity copper alloy of the present embodiment, it is made up of the component of following weight/mass percentage composition：Be 0.3%, Co 0.9%,
And Be and Co mass ratio is 1：3, impurity component Al, Si, Fe, Sn total content≤0.05%, surplus Cu.
The preparation method of the high-conductivity copper alloy of the present embodiment, comprises the following steps：
1) founding and plastic deformation：According to electrolytic copper plate, pure cobalt piece, Cu-3.3Be intermediate alloys sequential feeds, be put into
Heating fusing is carried out in smelting furnace, smelting temperature is 1230 DEG C, smelting time 35min, treats that raw material all melts and liquation is in
Poured into a mould during mirror-like, pouring temperature is 1280 DEG C, cooling, obtains alloy cast ingot；Alloy cast ingot is carried out to extrude plasticity change
Shape, the heating-up temperature of plastic deformation is 920 DEG C, soaking time 0.8h, and amount of plastic deformation 88%, cooling obtains alloy plasticity
Processing material；
2) solution heat treatment：The alloy plasticity prepared by founding and plastic deformation process is processed into material, is put into nitrogen guarantor
900 DEG C are warming up to stove in the tube furnace of shield, is incubated 1h, is carried out in the running water for being then transferred quickly to sample to flow cold
But, solution heat treatment is completed, obtains alloy blank, transfer time 4s；
3) cold deformation：Alloy blank is realized to the deformation of short transverse by the way of cold upsetting, deformation amount controlling is
10%；
4) aging strengthening model：Alloy after cold deformation is handled, be put into nitrogen protection tube furnace in stove heating as
480 DEG C, 6h is incubated, then sample is taken out from heating furnace, puts and is cooled to room temperature in atmosphere, is produced.
High-conductivity copper alloy Cu-0.3Be-0.9Co made from the present embodiment, conductance 78.2%IACS, room temperature hardness are
191HB, it is especially suitable for the fields such as aluminum slab high efficiency continuous casting and uses.
Embodiment 5
The high-conductivity copper alloy of the present embodiment, it is made up of the component of following weight/mass percentage composition：Be 0.6%, Co 1.2%,
And Be and Co mass ratio is 1：2, impurity component Al, Si, Fe, Sn total content≤0.05%, surplus Cu.
The preparation method of the high-conductivity copper alloy of the present embodiment, comprises the following steps：
1) founding and plastic deformation：According to electrolytic copper plate, pure cobalt piece, intermediate alloy Cu-3.3Be sequential feeds, be put into
Heating fusing is carried out in smelting furnace, smelting temperature is 1250 DEG C, smelting time 30min, treats all fusings and liquation is in minute surface
Poured into a mould during shape, pouring temperature is 1300 DEG C, cooling, obtains alloy cast ingot；Alloy cast ingot is subjected to plastic extruding deformation, moulded
Property deformation heating-up temperature be 950 DEG C, soaking time 0.5h, amount of plastic deformation 90%, cooling obtain alloy plasticity processing
Material；
2) solution heat treatment：The alloy plasticity prepared by founding and plastic deformation process is processed into material, is put into nitrogen guarantor
950 DEG C are warming up to stove in the tube furnace of shield, is incubated 2h, is carried out in the running water for being then transferred quickly to sample to flow cold
But, solution heat treatment is completed, obtains alloy blank, transfer time 3s；
3) cold deformation：Alloy blank is realized to the deformation of short transverse by the way of cold upsetting, deformation amount controlling is
80%；
4) aging strengthening model：Alloy after cold deformation is handled, be put into nitrogen protection tube furnace in stove heating as
500 DEG C, 0.5 hour is incubated, then sample is taken out from heating furnace, puts and is cooled to room temperature in atmosphere, is produced.
High-conductivity copper alloy Cu-0.6Be-1.2Co made from the present embodiment, conductance 77.6%IACS, room temperature hardness are
198HB, it is especially suitable for the fields such as aluminum slab high efficiency continuous casting and uses.
Claims (10)
1. a kind of high-conductivity copper alloy, it is characterised in that be made up of the component of following weight/mass percentage composition：Be 0.3%~0.6%,
Co 0.8%~1.5%, Be and Co mass ratio are 1：2~3, surplus is Cu and inevitable impurity.
2. high-conductivity copper alloy according to claim 1, it is characterised in that be made up of the component of following weight/mass percentage composition：
Be 0.4%, Co 1.0%, Be and Co mass ratio are 1：2.5, surplus is Cu and inevitable impurity.
3. a kind of preparation method of high-conductivity copper alloy as claimed in claim 1, it is characterised in that comprise the following steps：
1) raw material is subjected to founding, plastic deformation handles to obtain plastic working material；
2) plastic working material is incubated to be transferred in water after 0.5~2h under inert gas shielding in 890~970 DEG C and cooled down, it is complete
Into solution treatment, alloy blank is obtained；The transfer time is 3~5s；
3) alloy blank is subjected to cold deformation processing, the deflection of the cold deformation is 10%~95%, is carried out afterwards at timeliness
Manage and produce.
4. the preparation method of high-conductivity copper alloy according to claim 3, it is characterised in that the founding in step 1) is by original
Expect in 1150~1250 DEG C of 30~60min of melting.
5. the preparation method of high-conductivity copper alloy according to claim 4, it is characterised in that after the 30~60min of melting
In 1200~1300 DEG C of moulding by casting.
6. the preparation method of high-conductivity copper alloy according to claim 3, it is characterised in that being plastic deformation in step 1)
Forging and stamping or extruding.
7. the preparation method of high-conductivity copper alloy according to claim 3, it is characterised in that plastic deformation in step 1)
Temperature is 850~950 DEG C, and the time is 0.5~1.5h.
8. the preparation method of high-conductivity copper alloy according to claim 3, it is characterised in that plastic deformation in step 1)
Deflection is 80%-90%.
9. the preparation method of high-conductivity copper alloy according to claim 3, it is characterised in that cold deformation is cold-heading in step 3)
Thick or cold drawing.
10. the preparation method of high-conductivity copper alloy according to claim 3, it is characterised in that the Ageing Treatment in step 3)
For：Under inert gas shielding, 0.5~8h is incubated in 400~500 DEG C, is then air-cooled to room temperature.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616353A (en) * | 2019-10-28 | 2019-12-27 | 河南科技大学 | High-purity high-conductivity copper and preparation method thereof |
| CN113736970A (en) * | 2021-09-01 | 2021-12-03 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of high-softening-resistance copper-chromium-zirconium alloy rod |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550504A (en) * | 2009-05-25 | 2009-10-07 | 扬中市利达合金制品有限公司 | Manufacturing method of high-conductivity low-beryllium bronze band |
| CN101705389A (en) * | 2009-12-03 | 2010-05-12 | 江苏科技大学 | Copper alloy for manufacturing mould and preparation method thereof |
| CN102719699A (en) * | 2012-07-03 | 2012-10-10 | 北京有色金属研究总院 | Novel high-elasticity low beryllium copper alloy and preparation method thereof |
-
2017
- 2017-11-09 CN CN201711100110.5A patent/CN107739884A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550504A (en) * | 2009-05-25 | 2009-10-07 | 扬中市利达合金制品有限公司 | Manufacturing method of high-conductivity low-beryllium bronze band |
| CN101705389A (en) * | 2009-12-03 | 2010-05-12 | 江苏科技大学 | Copper alloy for manufacturing mould and preparation method thereof |
| CN102719699A (en) * | 2012-07-03 | 2012-10-10 | 北京有色金属研究总院 | Novel high-elasticity low beryllium copper alloy and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616353A (en) * | 2019-10-28 | 2019-12-27 | 河南科技大学 | High-purity high-conductivity copper and preparation method thereof |
| CN110616353B (en) * | 2019-10-28 | 2021-09-24 | 河南科技大学 | High-purity high-conductivity copper and preparation method thereof |
| CN113736970A (en) * | 2021-09-01 | 2021-12-03 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of high-softening-resistance copper-chromium-zirconium alloy rod |
| CN113736970B (en) * | 2021-09-01 | 2023-03-03 | 西安斯瑞先进铜合金科技有限公司 | Preparation method of high-softening-resistance copper-chromium-zirconium alloy rod |
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Application publication date: 20180227 |