CN105839038A - Preparation method for high-strength high-conductivity Cu-Ag-Fe alloy - Google Patents
Preparation method for high-strength high-conductivity Cu-Ag-Fe alloy Download PDFInfo
- Publication number
- CN105839038A CN105839038A CN201610218372.0A CN201610218372A CN105839038A CN 105839038 A CN105839038 A CN 105839038A CN 201610218372 A CN201610218372 A CN 201610218372A CN 105839038 A CN105839038 A CN 105839038A
- Authority
- CN
- China
- Prior art keywords
- alloy
- conductivity
- magnetic field
- preparation
- heat treatment
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
- C22F3/00—Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
- C22F3/02—Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons by solidifying a melt controlled by supersonic waves or electric or magnetic fields
Abstract
The invention discloses a preparation method for a high-strength high-conductivity Cu-Ag-Fe alloy, belonging to the technical field of non-ferrous alloys. The preparation method comprises the following steps that raw materials of the Cu-Ag-Fe alloy are smelted according to proportions, and then are poured at 1000-1300 DEG C to form a cast-condition Cu-Ag-Fe mother alloy; the Cu-Ag-Fe alloy is solidified under the effect of a 0.1-1 T alternating magnetic field; the alloy is subjected to homogenization treatment under the effect of a 0.1-30 T steady-state magnetic field; and then the alloy is subjected to pre-deformation, intermediate annealing heat treatment and re-deformation, and finally is subjected to final annealing heat treatment under the effect of a 0.1-30 T steady-state magnetic field so as to obtain a high-strength high-conductivity Cu-Ag-Fe alloy wire/plate, of which the conductivity is 55-88% IACS and the extension strength is 750-1760 MPa. According to the method, the Cu-Ag-Fe alloy is prepared by utilizing the electromagnetic fields and deformation combined with heat treatment, so that the excellent conductivity of a Cu-Ag alloy is reserved, and the strength of the alloy is improved; and the raw material cost of the alloy is lowered.
Description
Technical field
The invention belongs to non-ferrous alloy technical field, particularly to the preparation of a kind of high-strength high-conductivity Cu-Ag-Fe alloy
Method.
Background technology
High-strength high-conductivity Cu-Ag alloy is mainly used as contacting line, circuit lead frame material, high impulse magnet coil
Conductor materials etc., are a kind of important structure function materials.But expensive due to metal Ag, causes Cu-Ag alloy
Production cost is higher.Meanwhile, being all face-centred cubic Cu and Ag, when deformation, slip system is similar to, and dislocation multiplication is limited, limit
Make the further raising of its intensity.The spacing of the intensity of Cu-Ag alloy and electric conductivity and the nanometer Ag phase separated out from Cu and greatly
Little closely related.Therefore, on the premise of not increasing cost, research and development improve the method for Cu-Ag alloy property further and are subject to
To paying close attention to.
Chinese invention patent 02110785.8 discloses a kind of complex phase fibre strengthening Cu-Ag alloy and preparation technology thereof, uses specific
Melting, cold drawing and intermediate heat-treatment technology, make alloy reach the high intensity and 60%～80%IACS of 800～1150MPa
Electrical conductivity.Chinese invention patent 201010563335.6 discloses one and utilizes magnetic field preparation deformation Cu-Ag composite material in situ
Method, use apply magnetic field the Cu-Ag alloy of 6～25wt%Ag content is solidified, homogenization and Ageing Treatment,
And coordinate repeatedly drawing deformation, make the intensity of alloy and conductivity respectively reach 550MPa and more than 65%IACS.Hong
(Acta Metallurgica, 1998,46:4111；Materials Science and Engineering A, 1999,264:151) disclose
Cu-24% alloy property, with the relation of finished heat treatment temperature, can control the coupling of intensity and electric conductivity.Chinese invention patent
201010114104.7 provide one applies AC magnetic field in solidification stages, refines Fe dendrite, reduces Fe segregation, it is achieved Cu-Fe
The control of deformation in-situ composite material solidification, in combination with forge hot or hot rolling predeformation, solution treatment, cold rolling and magnetic field control
Aging technique so that the intensity of material reaches 700～920MPa, conductivity reaches 54%～60%IACS.Chinese invention patent
In 200510026596.3, disclose the preparation method of a kind of Cu-Fe-Ag in-situ composite, by fixation rates with cold
Drawing coordinates technique to make the intensity of material reach 1000～1500MPa, and conductivity is 60～70%IACS, and this technique is to utilize
Solution treatment combines cold drawing technology and improves intensity and the conductivity of material.Huang (Metals and Materials International,
2013,19:225-230) deformation and the homogenization heat treatment shadow to Cu-6wt%Ag-(2-6) wt%Fe ternary alloy three-partalloy performance is reported
Ring.Multicomponent microalloying is the important directions of high-strength high-conductive copper alloy.The Fe elastic modelling quantity of body-centered cubic structure is
211.4GPa, the elastic modelling quantity 82.7GPa of elastic modelling quantity 129.8GPa and Ag than Cu is the highest, in deformation process, body
The Fe element of heart cubic structure presents<110>texture, and face-centred cubic Cu and Ag element presents the mixed of<001>and<111>
Closing texture, wherein<001>is preferred orientation texture.The interpolation of Fe can produce deformation interface, plays interface enhancing.Fe simultaneously
Nanometer precipitation can strengthen precipitation strength, and owing to the solid solution of Fe can affect the precipitation of Ag, reduce cost of alloy simultaneously.
To sum up, in existing document, do not relate to the uniform of Cu-Ag-Fe ternary alloy three-partalloy under alternating magnetic field or steady magnetic field effect
The report of the Technologies for Heating Processing such as change, annealing.
Summary of the invention
It is an object of the invention to, for problem of the prior art, propose the preparation side of a kind of high-strength high-conductivity Cu-Ag-Fe alloy
Method, this method utilizes electromagnetic field, deformation to coordinate heat treatment to prepare Cu-Ag-Fe alloy, not only remains Cu-Ag alloy excellent
Electric conductivity, and improve alloy strength, reduce alloy raw material cost.
The preparation method of the high-strength high-conductivity Cu-Ag-Fe alloy of the present invention, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
By Cu-Ag-Fe alloy raw material by proportioning melting, prepare as cast condition Cu-Ag-Fe foundry alloy 1000～1300 DEG C of cast；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By as cast condition Cu-Ag-Fe foundry alloy, it is placed in 0.1～1T alternating magnetic field center, is heated to 1000～1300 DEG C, insulation
5～30 minutes, the most quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
State Cu-Ag-Fe alloy will be solidified, be placed in the steady magnetic field center of 0.1～30T, be heated to 760～800 DEG C, protect
Temperature 4～24 hours, is then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, carrying out pre-treatment, total draft of predeformation is 0.3～0.7；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 350～550 DEG C, be incubated 0.5～24
Hour, then it is slowly cooled to room temperature with stove；
Step 6, redeformation:
By the Cu-Ag-Fe alloy after annealing heat treatment, carrying out redeformation process, total draft of redeformation is 0.5～0.9999；
Obtain Cu-Ag-Fe alloy wire/sheet material；
Step 7, the final annealing heat treatment under steady magnetic field effect:
By Cu-Ag-Fe alloy wire/sheet material, it is placed in the steady magnetic field center of 0.1～30T, in vacuum environment, heating
To 300～500 DEG C, it is incubated 0.5～24 hour, is then slowly cooled to room temperature with stove, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe
Alloy wire/sheet material.
In described step 1, Cu-Ag-Fe alloy, component is by weight percentage: Ag content is 3%～25%, Fe content
Being 0.1%～2%, surplus is Cu.
In described step 1, the concrete operations of melting are: be former with electrolysis Cu, Ag more than purity 99.9wt% and pure Fe
Material, joins melting in vacuum induction melting furnace or vacuum arc melting furnace according to proportioning, is then cast in water cooled copper mould,
To as cast condition Cu-Ag-Fe foundry alloy；
In described step 4, the method that pre-treatment uses is forging, rolls or drawing process.
In described step 6, it is that forging, rolling or drawing process that redeformation processes the method used, and wherein total draft is with step
On the basis of the predeformation alloy that rapid 4 obtain.
The high-strength high-conductivity Cu-Ag-Fe alloy of the present invention, conductivity is 55～88%IACS, tensile strength be 750～
1760MPa。
The high-strength high-conductivity Cu-Ag-Fe alloy of the present invention, same by adding a certain amount of Fe element in Cu-Ag alloy
Time apply electromagnetic field effect, reduce the sheet interlayer spacing of Cu-Ag eutectic, in conjunction with different distortion mode obtain Cu fibrous tissue,
Cu-Ag eutectic fibrous tissue and Fe fibrous tissue, play fibre strengthening；Coordinate different aging treatment process simultaneously, reduce
Ag, Fe solid solubility in Cu matrix, increases the precipitation of the nanometer phase of Ag, Fe, enhances dispersion-strengtherning, improves and closes
The conductivity of gold.
A kind of preparation method of the high-strength high-conductivity Cu-Ag-Fe alloy of the present invention, compared with prior art, its beneficial effect
It is:
(1) by applying alternating magnetic field in the process of setting of Cu-Ag-Fe alloy, melt convection and solute Distribution can be controlled, reach
To refinement Cu dendrite, the effect of homogenization Fe distribution；
(2) by applying steady magnetic field Homogenization Treatments before Cu-Ag-Fe alloy predeformation, nonequilibrium freezing can be accelerated and be organized in
In matrix, distribution tends to uniform, promotes that super saturated solid solution element separates out from solid solution, reaches to eliminate casting stress, improves plasticity,
The purpose of Reducing distortion drag；
(3) process by applying intermediate annealing in deformation Cu-Ag-Fe alloy preparation process, Fe can be reduced under high temperature at Cu
In solid solubility, effectively facilitate Fe precipitation from Cu under low temperature, reduce impurity scattering, reach to increase composite material conductive rate
Purpose；
(4) made annealing treatment by applying steady magnetic field in the final product, intensity and the conduction of composite can be respectively increased
Rate 10～20%；
(5) by implementing above summary of the invention, Cu-Ag conjunction prepared by the Cu-Ag-Fe alloy ratio prior art of same intensity is prepared
The cost of gold declines 10%～20%.
Accompanying drawing explanation
The as cast condition Cu-Ag-Fe foundry alloy macrostructure figure of Fig. 1 embodiment of the present invention 1 step 1 preparation；
The transmission electron microscope organization charts of the Cu-Ag-Fe alloy wire of the total draft 0.95 of Fig. 2 embodiment of the present invention 2 step 6；
The load-deformation curve of the Cu-Ag-Fe sheet alloy of Fig. 3 embodiment of the present invention 3 preparation.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
A kind of high-strength high-conductivity Cu-Ag-Fe alloy, component is by weight percentage: Cu: Ag: Fe is 94.1: 5.4: 0.5.
Electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, join in vacuum induction melting furnace according to proportioning
Melting, is then cast in water cooled copper mould, and pouring temperature is 1200 DEG C, obtains as cast condition Cu-Ag-Fe foundry alloy, its macroscopic view group
Knit figure and see Fig. 1；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By the as cast condition Cu-Ag-Fe foundry alloy of preparation, it is placed in 1T alternating magnetic field center, is heated to 1200 DEG C, be incubated 10
After minute, quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
Solidification state Cu-Ag-Fe alloy is placed in the steady magnetic field center of 12T, is heated to 780 DEG C, is incubated 12 hours,
Carry out Homogenization Treatments, be then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, at room temperature carrying out cold forging, total draft of predeformation is 0.4；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 400 DEG C, be incubated 2 hours, with stove
It is slowly cooled to room temperature；
Step 6, redeformation:
By annealing heat treatment after Cu-Ag-Fe alloy, at room temperature under the conditions of, carry out (the conjunction obtained with step 4 of total draft
On the basis of gold) be 0.9 drawing, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe alloy wire；
Step 7, the final annealing heat treatment under steady magnetic field effect:
The Cu-Ag-Fe alloy wire that will obtain, is placed in the steady magnetic field center of 12T, and it is little that 450 DEG C of vacuum annealings process 2
Time, it is slowly cooled to room temperature with stove, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe alloy wire.
The high-strength high-conductivity Cu-Ag-Fe alloy wire that the present embodiment prepares, conductivity is 77%IACS, and tensile strength is
1280MPa。
Embodiment 2
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
A kind of high-strength high-conductivity Cu-Ag-Fe alloy, component is by weight percentage: Cu: Ag: Fe is 95.0: 3.0: 2.0.
Electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, join in vacuum induction melting furnace according to proportioning
Melting, is then cast in water cooled copper mould, and pouring temperature is 1300 DEG C, obtains as cast condition Cu-Ag-Fe foundry alloy；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By the as cast condition Cu-Ag-Fe foundry alloy of preparation, it is placed in 0.5T alternating magnetic field center, is heated to 1300 DEG C, be incubated 30
After minute, quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
Solidification state Cu-Ag-Fe alloy is placed in the steady magnetic field center of 12T, is heated to 800 DEG C, is incubated 24 hours,
Carry out Homogenization Treatments, be then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, at room temperature forging, total draft of predeformation is 0.6；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 550 DEG C, be incubated 24 hours, with
Stove is slowly cooled to room temperature；
Step 6, redeformation:
By annealing heat treatment after Cu-Ag-Fe alloy, at room temperature under the conditions of, carry out (the conjunction obtained with step 4 of total draft
On the basis of gold) be 0.95 drawing, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe alloy wire, Fig. 2 sees in its transmission electron microscope organization charts；
Step 7, the final annealing heat treatment under steady magnetic field effect:
The Cu-Ag-Fe alloy wire that will obtain, is placed in the steady magnetic field center of 20T, and 500 DEG C of vacuum annealings process 24
Hour, it is slowly cooled to room temperature with stove, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe alloy wire.
The high-strength high-conductivity Cu-Ag-Fe alloy wire that the present embodiment prepares, conductivity is 78%IACS, and tensile strength is
1050MPa。
Embodiment 3
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
A kind of high-strength high-conductivity Cu-Ag-Fe alloy, component is by weight percentage: Cu: Ag: Fe is 87.5: 11.0: 1.5.
Electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, join in vacuum induction melting furnace according to proportioning
Melting, is then cast in water cooled copper mould, and pouring temperature is 1200 DEG C, obtains as cast condition Cu-Ag-Fe foundry alloy；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By the as cast condition Cu-Ag-Fe foundry alloy of preparation, it is placed in 0.5T alternating magnetic field center, is heated to 1200 DEG C, be incubated 30
After minute, quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
Solidification state Cu-Ag-Fe alloy is placed in the steady magnetic field center of 0.1T, is heated to 770 DEG C, is incubated 12 hours,
Carry out Homogenization Treatments, be then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, at room temperature rolling, total draft of predeformation is 0.5；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 450 DEG C, be incubated 2 hours, with stove
It is slowly cooled to room temperature；
Step 6, redeformation:
By annealing heat treatment after Cu-Ag-Fe alloy, at room temperature under the conditions of, carry out (the conjunction obtained with step 4 of total draft
On the basis of gold) be 0.8 rolling, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy；
Step 7, the final annealing heat treatment under steady magnetic field effect:
The Cu-Ag-Fe sheet alloy that will obtain, is placed in the steady magnetic field of 30T, and 450 DEG C of vacuum annealings process 1 hour, with
Stove is slowly cooled to room temperature, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy.
The high-strength high-conductivity Cu-Ag-Fe sheet alloy that the present embodiment prepares, conductivity is 70%IACS, and tensile strength is
1420MPa.The high-strength high-conductivity Cu-Ag-Fe sheet alloy load-deformation curve that the present embodiment prepares is shown in Fig. 3.
Embodiment 4
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
A kind of high-strength high-conductivity Cu-Ag-Fe alloy, component is by weight percentage: Cu: Ag: Fe is 74.9: 25.0: 0.1.
Electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, join in vacuum induction melting furnace according to proportioning
Melting, is then cast in water cooled copper mould, and pouring temperature is 1000 DEG C, obtains as cast condition Cu-Ag-Fe foundry alloy；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By the as cast condition Cu-Ag-Fe foundry alloy of preparation, it is placed in 0.5T alternating magnetic field center, is heated to 1000 DEG C, be incubated 10
After minute, quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
Solidification state Cu-Ag-Fe alloy is placed in the steady magnetic field center of 20T, is heated to 760 DEG C, is incubated 4 hours, enters
Row Homogenization Treatments, is then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, at room temperature rolling, total draft of predeformation is 0.3；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 350 DEG C, be incubated 2 hours, with stove
It is slowly cooled to room temperature；
Step 6, redeformation:
By annealing heat treatment after Cu-Ag-Fe alloy, at room temperature under the conditions of, carry out (the conjunction obtained with step 4 of total draft
On the basis of gold) be 0.9999 rolling, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy；
Step 7, the final annealing heat treatment under steady magnetic field effect:
The Cu-Ag-Fe sheet alloy that will obtain, is placed in the steady magnetic field center of 10T, and it is little that 400 DEG C of vacuum annealings process 2
Time, it is slowly cooled to room temperature with stove, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy.
The high-strength high-conductivity Cu-Ag-Fe sheet alloy that the present embodiment prepares, conductivity is 76%IACS, and tensile strength is
1100MPa。
Embodiment 5
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
A kind of high-strength high-conductivity Cu-Ag-Fe alloy, component is by weight percentage: Cu: Ag: Fe is 76.0: 22.0: 2.0.
Electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, join in vacuum induction melting furnace according to proportioning
Melting, is then cast in water cooled copper mould, and pouring temperature is 1300 DEG C, obtains as cast condition Cu-Ag-Fe foundry alloy；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By the as cast condition Cu-Ag-Fe foundry alloy of preparation, it is placed in 0.5T alternating magnetic field center, is heated to 1300 DEG C, be incubated 20
After minute, quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
Solidification state Cu-Ag-Fe alloy is placed in the steady magnetic field center of 20T, is heated to 760 DEG C, is incubated 8 hours, enters
Row Homogenization Treatments, is then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, at room temperature rolling, total draft of predeformation is 0.7；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 500 DEG C, be incubated 4 hours, with stove
It is slowly cooled to room temperature；
Step 6, redeformation:
By annealing heat treatment after Cu-Ag-Fe alloy, at room temperature under the conditions of, carry out (the conjunction obtained with step 4 of total draft
On the basis of gold) be 0.95 rolling, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy；
Step 7, the final annealing heat treatment under steady magnetic field effect:
The Cu-Ag-Fe sheet alloy that will obtain, is placed in the steady magnetic field of 20T, and 450 DEG C of vacuum annealings process 2 hours, with
Stove is slowly cooled to room temperature, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy.
The high-strength high-conductivity Cu-Ag-Fe sheet alloy that the present embodiment prepares, conductivity is 55%IACS, and tensile strength is
1760MPa。
Embodiment 6
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
A kind of high-strength high-conductivity Cu-Ag-Fe alloy, component is by weight percentage: Cu: Ag: Fe is 93.5: 6.0: 0.5.
Electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, join in vacuum arc melting furnace according to proportioning
Melting, is then cast in water cooled copper mould, and pouring temperature is 1200 DEG C, obtains as cast condition Cu-Ag-Fe foundry alloy；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By the as cast condition Cu-Ag-Fe foundry alloy of preparation, it is placed in 0.1T alternating magnetic field center, is heated to 1200 DEG C, be incubated 10
After minute, quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
Solidification state Cu-Ag-Fe alloy is placed in the steady magnetic field center of 10T, is heated to 780 DEG C, is incubated 18 hours,
Carry out Homogenization Treatments, be then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, at room temperature carrying out cold forging, total draft of predeformation is 0.4；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 400 DEG C, be incubated 2 hours, with stove
It is slowly cooled to room temperature；
Step 6, redeformation:
By annealing heat treatment after Cu-Ag-Fe alloy, at room temperature under the conditions of, carry out (the conjunction obtained with step 4 of total draft
On the basis of gold) be 0.98 drawing, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe alloy wire；
Step 7, the final annealing heat treatment under steady magnetic field effect:
The Cu-Ag-Fe alloy wire that will obtain, is placed in the steady magnetic field center of 0.1T, and it is little that 400 DEG C of vacuum annealings process 4
Time, it is slowly cooled to room temperature with stove, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe alloy wire.
The high-strength high-conductivity Cu-Ag-Fe alloy wire that the present embodiment prepares, conductivity is 72%IACS, and tensile strength is
1150MPa。
Embodiment 7
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy, comprises the following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
A kind of high-strength high-conductivity Cu-Ag-Fe alloy, component is by weight percentage: Cu: Ag: Fe is 81.9: 18.0: 0.1.
Electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, join in vacuum induction melting furnace according to proportioning
Melting, is then cast in water cooled copper mould, and pouring temperature is 1000 DEG C, obtains as cast condition Cu-Ag-Fe foundry alloy；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By the as cast condition Cu-Ag-Fe foundry alloy of preparation, it is placed in 0.5T alternating magnetic field center, is heated to 1100 DEG C, be incubated 5
After minute, quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
Solidification state Cu-Ag-Fe alloy is placed in the steady magnetic field center of 30T, is heated to 770 DEG C, is incubated 12 hours,
Carry out Homogenization Treatments, be then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, at room temperature rolling, total draft of predeformation is 0.4；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 350 DEG C, be incubated 0.5 hour, with
Stove is slowly cooled to room temperature；
Step 6, redeformation:
By annealing heat treatment after Cu-Ag-Fe alloy, at room temperature under the conditions of, carry out (the conjunction obtained with step 4 of total draft
On the basis of gold) be 0.5 rolling, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy；
Step 7, the final annealing heat treatment under steady magnetic field effect:
The Cu-Ag-Fe sheet alloy that will obtain, is placed in the steady magnetic field center of 10T, and 300 DEG C of vacuum annealings process 0.5
Hour, it is slowly cooled to room temperature with stove, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe sheet alloy.
The high-strength high-conductivity Cu-Ag-Fe sheet alloy that the present embodiment prepares, conductivity is 88%IACS, and tensile strength is
750MPa。
Claims (6)
1. the preparation method of a high-strength high-conductivity Cu-Ag-Fe alloy, it is characterised in that specifically include following steps:
Step 1, preparation as cast condition Cu-Ag-Fe foundry alloy:
By Cu-Ag-Fe alloy raw material by proportioning melting, prepare as cast condition Cu-Ag-Fe foundry alloy 1000～1300 DEG C of cast；
Step 2, the solidification of Cu-Ag-Fe alloy under action of alternating magnetic field:
By as cast condition Cu-Ag-Fe foundry alloy, it is placed in 0.1～1T alternating magnetic field center, is heated to 1000～1300 DEG C, insulation
5～30 minutes, the most quickly cool down, it is thus achieved that solidification state Cu-Ag-Fe alloy；
Step 3, the Homogenization Treatments of alloy under steady magnetic field effect:
State Cu-Ag-Fe alloy will be solidified, be placed in the steady magnetic field center of 0.1～30T, be heated to 760～800 DEG C, protect
Temperature 4～24 hours, is then slowly cooled to room temperature with stove；
Step 4, predeformation:
By the Cu-Ag-Fe alloy after Homogenization Treatments, carrying out pre-treatment, total draft of predeformation is 0.3～0.7；
Step 5, intermediate annealing heat treatment:
By the Cu-Ag-Fe alloy after predeformation, it is placed in vacuum heat treatment furnace, is heated to 350～550 DEG C, be incubated 0.5～24
Hour, then it is slowly cooled to room temperature with stove；
Step 6, redeformation:
By the Cu-Ag-Fe alloy after annealing heat treatment, carrying out redeformation process, total draft of redeformation is 0.5～0.9999；
Obtain Cu-Ag-Fe alloy wire/sheet material；
Step 7, the final annealing heat treatment under steady magnetic field effect:
By Cu-Ag-Fe alloy wire/sheet material, it is placed in the steady magnetic field center of 0.1～30T, in vacuum environment, heating
To 300～500 DEG C, it is incubated 0.5～24 hour, is then slowly cooled to room temperature with stove, it is thus achieved that high-strength high-conductivity Cu-Ag-Fe
Alloy wire/sheet material.
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy the most as claimed in claim 1, it is characterised in that institute
In the step 1 stated, Cu-Ag-Fe alloy, component is by weight percentage: Ag content is 3.0%～25%, Fe content be 0.1%～
2%, surplus is Cu.
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy the most as claimed in claim 1, it is characterised in that institute
In the step 1 stated, the concrete operations of melting are: electrolysis Cu, Ag more than purity 99.9wt% and pure Fe, as raw material, press
Join melting in vacuum induction melting furnace or vacuum arc melting furnace according to proportioning, be then cast in water cooled copper mould, obtain as cast condition
Cu-Ag-Fe foundry alloy.
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy the most as claimed in claim 1, it is characterised in that institute
In the step 4 stated, the method that pre-treatment uses is forging, rolls or drawing process.
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy the most as claimed in claim 1, it is characterised in that institute
In the step 6 stated, it is that forging, rolling or drawing process that redeformation processes the method used.
The preparation method of a kind of high-strength high-conductivity Cu-Ag-Fe alloy the most as claimed in claim 1, it is characterised in that institute
High-strength high-conductivity Cu-Ag-Fe alloy prepared by the method for stating, conductivity is 55～88%IACS, tensile strength be 750～
1760MPa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218372.0A CN105839038B (en) | 2016-04-08 | 2016-04-08 | A kind of preparation method of high-strength high-conductivity Cu Ag Fe alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218372.0A CN105839038B (en) | 2016-04-08 | 2016-04-08 | A kind of preparation method of high-strength high-conductivity Cu Ag Fe alloys |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105839038A true CN105839038A (en) | 2016-08-10 |
| CN105839038B CN105839038B (en) | 2017-06-30 |
Family
ID=56597071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610218372.0A Active CN105839038B (en) | 2016-04-08 | 2016-04-08 | A kind of preparation method of high-strength high-conductivity Cu Ag Fe alloys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105839038B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676314A (en) * | 2016-12-28 | 2017-05-17 | 北京有色金属研究总院 | Preparation method for Cu-Ag alloy with high-strength and high-conductivity performance |
| CN107419132A (en) * | 2017-06-22 | 2017-12-01 | 安徽晋源铜业有限公司 | A kind of lead frame corson alloy material and preparation method thereof |
| CN108374103A (en) * | 2018-03-27 | 2018-08-07 | 河南理工大学 | Cu-Fe-C-Ag alloys |
| WO2019031612A1 (en) * | 2017-08-10 | 2019-02-14 | 田中貴金属工業株式会社 | High strength/highly conductive copper alloy plate material and method for producing same |
| CN114293061A (en) * | 2021-12-03 | 2022-04-08 | 中南大学 | Cu-Fe-X alloy and preparation method and application thereof |
| CN114318046A (en) * | 2021-12-03 | 2022-04-12 | 中南大学 | Antibacterial and bacteriostatic alloy profile and preparation method and application thereof |
| US11427903B2 (en) | 2019-05-15 | 2022-08-30 | Northeastern University | High-strength and high-conductivity Cu—Ag—Sc alloy and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031399A (en) * | 2010-11-11 | 2011-04-27 | 东北大学 | Method for preparing Cu-Fe alloy under action of magnetic field |
| CN102031467A (en) * | 2010-11-29 | 2011-04-27 | 东北大学 | Method for preparing in-situ deformation Cu-Ag composite material by using magnetic field |
| CN102400007A (en) * | 2011-11-29 | 2012-04-04 | 东北大学 | Eutectic strengthening reinforced Cu-Ag alloy and preparation method thereof |
-
2016
- 2016-04-08 CN CN201610218372.0A patent/CN105839038B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031399A (en) * | 2010-11-11 | 2011-04-27 | 东北大学 | Method for preparing Cu-Fe alloy under action of magnetic field |
| CN102031467A (en) * | 2010-11-29 | 2011-04-27 | 东北大学 | Method for preparing in-situ deformation Cu-Ag composite material by using magnetic field |
| CN102400007A (en) * | 2011-11-29 | 2012-04-04 | 东北大学 | Eutectic strengthening reinforced Cu-Ag alloy and preparation method thereof |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676314B (en) * | 2016-12-28 | 2018-06-15 | 北京有色金属研究总院 | A kind of preparation method of high-strength high-conductivity Cu-Ag alloys |
| CN106676314A (en) * | 2016-12-28 | 2017-05-17 | 北京有色金属研究总院 | Preparation method for Cu-Ag alloy with high-strength and high-conductivity performance |
| CN107419132A (en) * | 2017-06-22 | 2017-12-01 | 安徽晋源铜业有限公司 | A kind of lead frame corson alloy material and preparation method thereof |
| US11505857B2 (en) | 2017-08-10 | 2022-11-22 | Tanaka Kikinzoku Kogyo K. K. | High strength/highly conductive copper alloy plate material and manufacturing method therefor |
| WO2019031612A1 (en) * | 2017-08-10 | 2019-02-14 | 田中貴金属工業株式会社 | High strength/highly conductive copper alloy plate material and method for producing same |
| US11753708B2 (en) | 2017-08-10 | 2023-09-12 | Tanaka Kikinzoku Kogyo K.K. | High strength/highly conductive copper alloy plate material and manufacturing method therefor |
| JPWO2019031612A1 (en) * | 2017-08-10 | 2020-08-27 | 田中貴金属工業株式会社 | High-strength/high-conductivity copper alloy sheet and method for producing the same |
| JP7285779B2 (en) | 2017-08-10 | 2023-06-02 | 田中貴金属工業株式会社 | High-strength, high-conductivity copper alloy sheet and its manufacturing method |
| CN115449662A (en) * | 2017-08-10 | 2022-12-09 | 田中贵金属工业株式会社 | High-strength and high-conductivity copper alloy sheet material and method for producing same |
| CN108374103A (en) * | 2018-03-27 | 2018-08-07 | 河南理工大学 | Cu-Fe-C-Ag alloys |
| CN108374103B (en) * | 2018-03-27 | 2019-10-29 | 河南理工大学 | Cu-Fe-C-Ag alloy |
| US11427903B2 (en) | 2019-05-15 | 2022-08-30 | Northeastern University | High-strength and high-conductivity Cu—Ag—Sc alloy and preparation method thereof |
| CN114318046A (en) * | 2021-12-03 | 2022-04-12 | 中南大学 | Antibacterial and bacteriostatic alloy profile and preparation method and application thereof |
| CN114293061A (en) * | 2021-12-03 | 2022-04-08 | 中南大学 | Cu-Fe-X alloy and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105839038B (en) | 2017-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105839038A (en) | Preparation method for high-strength high-conductivity Cu-Ag-Fe alloy | |
| CN102031399B (en) | Method for preparing Cu-Fe alloy under action of magnetic field | |
| CN109022896B (en) | High-strength high-conductivity heat-resistant Cu-Fe-Y-Mg alloy material with electromagnetic wave shielding performance and preparation method thereof | |
| CN108060323B (en) | A kind of high-strength highly-conductive CuCrZrMg series copper alloy silk material and preparation method thereof | |
| CN108220662B (en) | Carbon microalloyed Cu-Fe system material and preparation method thereof | |
| CN104975211B (en) | Strength aluminum alloy conductive monofilament in a kind of high conductivity heat treatment type | |
| CN111549253B (en) | Rare earth copper-iron alloy, preparation method and application | |
| CN106676334B (en) | High-strength high-conductivity aluminium-scandium alloy and its preparation method and application | |
| CN110157944B (en) | High-thermal-conductivity copper-iron alloy material and preparation method and application thereof | |
| CN106834824B (en) | A kind of high strength and high conductivity rate alumina-base material and preparation method thereof containing scandium, yttrium | |
| CN111826545B (en) | Copper-iron alloy material and preparation method and application thereof | |
| CN108342611A (en) | A kind of preparation method of high-strength copper based alloy blank | |
| CN102031467B (en) | Method for preparing in-situ deformation Cu-Ag composite material by using magnetic field | |
| CN105088001A (en) | High-strength and high-conductivity copper alloy for contact line and preparation method of high-strength and high-conductivity copper alloy | |
| JP7019230B2 (en) | High hardness and high conductivity Cu-Ag-Sc alloy and its manufacturing method | |
| CN104328304B (en) | Copper alloy for high-strength and high-conductivity lead and preparation method of copper alloy | |
| CN101225486A (en) | Copper-based in-situ composite material and preparation method thereof | |
| CN108315581A (en) | A kind of low beryllium content copper alloy and preparation method thereof of high intensity high softening temperature | |
| CN102400007B (en) | Eutectic strengthening reinforced Cu-Ag alloy and preparation method thereof | |
| CN101724798B (en) | Multiplex heat treatment method for Cu-12 percent Fe alloy | |
| CN106676314B (en) | A kind of preparation method of high-strength high-conductivity Cu-Ag alloys | |
| CN102031464B (en) | Copper-steel fiber copper-based composite material and preparation method thereof | |
| CN100365154C (en) | Cu-Ag-RE alloy in-situ nano fiber composite material | |
| CN113322397B (en) | Preparation method of powder metallurgy copper-iron alloy strip with excellent bending performance | |
| CN107760891A (en) | A kind of method for preparing copper silver composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |