CN104282355B - A kind of copper-coated magnesium alloy wire rod and preparation method thereof - Google Patents
A kind of copper-coated magnesium alloy wire rod and preparation method thereof Download PDFInfo
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- CN104282355B CN104282355B CN201410598674.6A CN201410598674A CN104282355B CN 104282355 B CN104282355 B CN 104282355B CN 201410598674 A CN201410598674 A CN 201410598674A CN 104282355 B CN104282355 B CN 104282355B
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 131
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 77
- 239000010949 copper Substances 0.000 title claims abstract description 77
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 57
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 56
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 14
- 239000011777 magnesium Substances 0.000 claims abstract description 13
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 13
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 13
- 229910052693 Europium Inorganic materials 0.000 claims abstract description 9
- 229910052689 Holmium Inorganic materials 0.000 claims abstract description 9
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 9
- 229910052776 Thorium Inorganic materials 0.000 claims abstract description 8
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 8
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims description 30
- 238000007670 refining Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 238000003723 Smelting Methods 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 238000010791 quenching Methods 0.000 claims description 10
- 230000000171 quenching effect Effects 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910018185 Al—Co Inorganic materials 0.000 claims description 5
- 229910018521 Al—Sb Inorganic materials 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 5
- 238000005219 brazing Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 150000001879 copper Chemical class 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- -1 thus reduce and cost Inorganic materials 0.000 description 1
Abstract
The invention provides a kind of copper-coated magnesium alloy wire rod, contain according to weight percent content: Al:10 12%, Eu:0.5 1.5%, Re:0.2 0.6%, Ca:1.2 1.6%, Th:0.5 1.5%, Nd:2.1 2.3%, Co:0.7 1.3%, Ta:0.8 1.0%, Dy:0.05 0.15%, W:0.2 0.4%, Rh:0.7 0.9%, Sb:2.1 2.3%, Bi:2.1 2.3%, Ho:0.3 0.5%, surplus is Mg and the copper strips of 30 40%.The present invention also proposes the preparation method of this copper-coated magnesium alloy wire rod.This alloy has excellent conductive performance.
Description
Technical field
The invention belongs to field of magnesium alloy material, especially a kind of copper-coated magnesium alloy wire rod and preparation method thereof.
Background technology
Magnesium alloy is as the commercial metal structural timber of lightweight, because of its have that light specific gravity, specific strength specific stiffness be high, damping vibration attenuation drops that dry ability is strong, liquid condition shaping superior performance, there is the series of advantages such as dimensionally stable, pollution-free, easy recovery simultaneously and be described as 21 century " green structural material ".It is structure lightened ideal material, in the industry such as automobile, Aero-Space, national defence and 3C Product, has wide commercial application prospect.Poor yet with magnesium alloy deformation at room temperature ability, oxidizable burning, the defect such as perishable, limit magnesium alloy and be more widely used, it is extensive that the application of current magnesium alloy can not show a candle to aluminium alloy.Such as the epoch spread unchecked at this electronics, wire rod is widely used in the fields such as electric wire, electronics, computer, medical treatment, communication, Aero-Space, military project, and conventional wire majority is copper cash or aluminum steel.Although copper cash has preferable electric conductivity, but mechanical strength is inadequate, and price is high, heavier-weight, and copper material also needs a large amount of import, although aluminum steel low cost, its electric conductivity and mechanical strength are poor, and toughness is worse.Therefore, improve magnesium alloy strength and make it have good combination property, be the focus of novel magnesium alloy exploitation, and the exploitation of magnesium alloy bar/wire rod is significant to the application expanding magnesium alloy.Therefore need a kind of low price on market, lightweight, high intensity, the wire rod conducted electricity very well substitute copper cash and aluminum steel.
Summary of the invention
It is an object of the invention to provide a kind of copper-coated magnesium alloy wire rod, this copper-coated magnesium alloy wire rod is with low cost, and technique is simple, the most lightweight and have good plasticity, intensity, heat treatment performance and electric conductivity.
It is a further object to provide the preparation method of a kind of copper-coated magnesium alloy wire rod.
For reaching this purpose, the present invention by the following technical solutions:
A kind of copper-coated magnesium alloy wire rod, contains according to weight percent content: contain according to weight percent content: Al:10-12%, Eu:0.5-1.5%, Re:0.2-0.6%, Ca:1.2-1.6%, Th:0.5-1.5%, Nd:2.1-2.3%, Co:0.7-1.3%, Ta:0.8-1.0%, Dy:0.05-0.15%, W:0.2-0.4%, Rh:0.7-0.9%, Sb:2.1-2.3%, Bi:2.1-2.3%, Ho:0.3-0.5%, surplus is the copper strips of Mg and 30-40%.
Further, contain according to weight percent content: Al:10%, Eu:0.5%, Re:0.2%, Ca:1.2%, Th:0.5%, Nd:2.1%, Co:0.7%, Ta:0.8%, Dy:0.05%, W:0.2%, Rh:0.7%, Sb:2.1%, Bi:2.1%, Ho:0.3%, surplus is the copper strips of Mg and 30%.
The preparation method of described copper-coated magnesium alloy wire rod, comprises the following steps:
(1) raw material prepares: carrying out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Eu intermediate alloy, pure Al ingot, pure Re, Al-Th intermediate alloy, Al-Ca intermediate alloy, Al-Co intermediate alloy, Mg-Nd intermediate alloy, Mg-Ta intermediate alloy, pure Dy, Al-Sb intermediate alloy, Al-W intermediate alloy, pure Rh, Al-Bi intermediate alloy, Al-Ho intermediate alloy；
(2) melting: carry out molten alloy in resistance furnace under conditions of SF6 gas and sodium chloride coverture are protected; all raw materials in step (1) are added in resistance furnace; temperature controls at 1100 DEG C～1200 DEG C; mechanical agitation 5 minutes after all raw materials are completely melt; after standing 30 minutes; carry out dragging for slag, obtain magnesium alloy smelting liquid；
(3) refine: carrying out refine by passing through the magnesium alloy smelting liquid RJ-5 refining agent dragging for slag gained in step (2), refining temperature is 1200 DEG C～1300 DEG C, and refining time is 15 minutes, obtains magnesium alloy refining liquid；
(4) molding: the magnesium alloy refining liquid of gained in step (3) is cast into Ф 0.5cm, the magnesium alloy bar of long 100cm；Mould therefor preheating temperature is 400 DEG C～500 DEG C, and cast temperature is 1100 DEG C～1200 DEG C；
(5) solution treatment: in 900 DEG C～1000 DEG C, the magnesium alloy bar of gained in step (4) is carried out solution treatment, and the time is 42 hours:
(6) quenching: magnesium alloy bar through solution treatment in step (5) is carried out shrend, puts into the magnesium alloy bar after quenching in the resistance furnace of 300 DEG C and carries out artificial aging 60 hours, prepare magnesium alloy blank；
(7) magnesium alloy bar/wire rod processed: the magnesium alloy blank of gained in step (6) is heated to 600 DEG C～700 DEG C, after being incubated 3 hours, the method using multi-pass small deformation amount, magnesium alloy blank is made the magnesium alloy bar/wire rod of a diameter of 0.3 centimetre；
(8) copper strips hacking: the copper strips accounting for all raw material weight percentage ratio 30% is carried out surface grinding process by hard steel wire brush；
(9) copper-coated magnesium alloy wire rod blank processed: with copper strips through surface grinding process in step (8), the magnesium alloy bar/wire rod of gained in step (7) is wrapped in centre, make copper-coated magnesium alloy wire rod blank with the pressure of 1-3MPa；
(10) copper-coated magnesium alloy wire rod processed: under argon shield, copper-coated magnesium alloy wire rod blank is carried out argon arc welding; by brazing together; after forming copper-coated magnesium alloy wire rod; the method of multi-pass small deformation amount is used to be drawn into the copper-coated magnesium alloy wire rod of 0.3cm with drawbench; at a temperature of 250 DEG C～300 DEG C, carry out Ageing Treatment 42 hours again, after cooling, i.e. obtain copper-coated magnesium alloy wire rod.
The copper-coated magnesium alloy wire rod Main Ingredients and Appearance that the invention have the advantage that the present invention is magnesium alloy, thus reduce and cost, and magnesium alloy bar/wire rod with the addition of Eu, Dy, Nd and Ho rare earth element can be effectively improved the intensity of copper-coated magnesium alloy wire rod, heat treatment performance and electric conductivity.
Detailed description of the invention
Embodiment
1
A kind of creep resistance Dow metal, contains according to weight percent content: Al:10%, Eu:0.5%, Re:0.2%, Ca:1.2%, Th:0.5%, Nd:2.1%, Co:0.7%, Ta:0.8%, Dy:0.05%, W:0.2%, Rh:0.7%, Sb:2.1%, Bi:2.1%, Ho:0.3%, surplus is the copper strips of Mg and 30%, and its preparation method comprises the following steps:
(1) raw material prepares: carrying out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Eu intermediate alloy, pure Al ingot, pure Re, Al-Th intermediate alloy, Al-Ca intermediate alloy, Al-Co intermediate alloy, Mg-Nd intermediate alloy, Mg-Ta intermediate alloy, pure Dy, Al-Sb intermediate alloy, Al-W intermediate alloy, pure Rh, Al-Bi intermediate alloy, Al-Ho intermediate alloy；
(2) melting: carry out molten alloy in resistance furnace under conditions of SF6 gas and sodium chloride coverture are protected; all raw materials in step (1) are added in resistance furnace; temperature controls at 1100 DEG C; mechanical agitation 5 minutes after all raw materials are completely melt; after standing 30 minutes; carry out dragging for slag, obtain magnesium alloy smelting liquid；
(3) refine: carrying out refine by passing through the magnesium alloy smelting liquid RJ-5 refining agent dragging for slag gained in step (2), refining temperature is 1200 DEG C, and refining time is 15 minutes, obtains magnesium alloy refining liquid；
(4) molding: the magnesium alloy refining liquid of gained in step (3) is cast into Ф 0.5cm, the magnesium alloy bar of long 100cm；Mould therefor preheating temperature is 400 DEG C, and cast temperature is 1100 DEG C；
(5) solution treatment: the magnesium alloy bar of gained in step (4) is carried out in 900 DEG C solution treatment, and the time is 42 hours；
(6) quenching: magnesium alloy bar through solution treatment in step (5) is carried out shrend, puts into the magnesium alloy bar after quenching in the resistance furnace of 300 DEG C and carries out artificial aging 60 hours, prepare magnesium alloy blank；
(7) magnesium alloy bar/wire rod processed: the magnesium alloy blank of gained in step (6) is heated to 600 DEG C, after being incubated 3 hours, the method using multi-pass small deformation amount, magnesium alloy blank is made the magnesium alloy bar/wire rod of a diameter of 0.3 centimetre；
(8) copper strips hacking: the copper strips accounting for all raw material weight percentage ratio 30% is carried out surface grinding process by hard steel wire brush；
(9) copper-coated magnesium alloy wire rod blank processed: with copper strips through surface grinding process in step (8), the magnesium alloy bar/wire rod of gained in step (7) is wrapped in centre, make copper-coated magnesium alloy wire rod blank with the pressure of 1MPa；
(10) copper-coated magnesium alloy wire rod processed: under argon shield, copper-coated magnesium alloy wire rod blank is carried out argon arc welding; by brazing together; after forming copper-coated magnesium alloy wire rod; the method of multi-pass small deformation amount is used to be drawn into the copper-coated magnesium alloy wire rod of 0.3cm with drawbench; at a temperature of 250 DEG C, carry out Ageing Treatment 42 hours again, after cooling, i.e. obtain copper-coated magnesium alloy wire rod.
Embodiment
2
:
A kind of creep resistance Dow metal, contains according to weight percent content: Al:11%, Eu:1.0%, Re:0.4%, Ca:1.4%, Th:1.0%, Nd:2.2%, Co:1.0%, Ta:0.9%, Dy:0.1%, W:0.3%, Rh:0.8%, Sb:2.2%, Bi:2.2%, Ho:0.4%, surplus is the copper strips of Mg and 35%, and its preparation method comprises the following steps:
(1) raw material prepares: carrying out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Eu intermediate alloy, pure Al ingot, pure Re, Al-Th intermediate alloy, Al-Ca intermediate alloy, Al-Co intermediate alloy, Mg-Nd intermediate alloy, Mg-Ta intermediate alloy, pure Dy, Al-Sb intermediate alloy, Al-W intermediate alloy, pure Rh, Al-Bi intermediate alloy, Al-Ho intermediate alloy；
(2) melting: carry out molten alloy in resistance furnace under conditions of SF6 gas and sodium chloride coverture are protected; all raw materials in step (1) are added in resistance furnace; temperature controls at 1150 DEG C; mechanical agitation 5 minutes after all raw materials are completely melt; after standing 30 minutes; carry out dragging for slag, obtain magnesium alloy smelting liquid；
(3) refine: carrying out refine by passing through the magnesium alloy smelting liquid RJ-5 refining agent dragging for slag gained in step (2), refining temperature is 1250 DEG C, and refining time is 15 minutes, obtains magnesium alloy refining liquid；
(4) molding: the magnesium alloy refining liquid of gained in step (3) is cast into Ф 0.5cm, the magnesium alloy bar of long 100cm；Mould therefor preheating temperature is 450 DEG C, and cast temperature is 1150 DEG C；
(5) solution treatment: the magnesium alloy bar of gained in step (4) is carried out in 950 DEG C solution treatment, and the time is 42 hours；
(6) quenching: magnesium alloy bar through solution treatment in step (5) is carried out shrend, puts into the magnesium alloy bar after quenching in the resistance furnace of 300 DEG C and carries out artificial aging 60 hours, prepare magnesium alloy blank；
(7) magnesium alloy bar/wire rod processed: the magnesium alloy blank of gained in step (6) is heated to 650 DEG C, after being incubated 3 hours, the method using multi-pass small deformation amount, magnesium alloy blank is made the magnesium alloy bar/wire rod of a diameter of 0.3 centimetre；
(8) copper strips hacking: the copper strips accounting for all raw material weight percentage ratio 30% is carried out surface grinding process by hard steel wire brush；
(9) copper-coated magnesium alloy wire rod blank processed: with copper strips through surface grinding process in step (8), the magnesium alloy bar/wire rod of gained in step (7) is wrapped in centre, make copper-coated magnesium alloy wire rod blank with the pressure of 2MPa；
(10) copper-coated magnesium alloy wire rod processed: under argon shield, copper-coated magnesium alloy wire rod blank is carried out argon arc welding; by brazing together; after forming copper-coated magnesium alloy wire rod; the method of multi-pass small deformation amount is used to be drawn into the copper-coated magnesium alloy wire rod of 0.3cm with drawbench; at a temperature of 270 DEG C, carry out Ageing Treatment 42 hours again, after cooling, i.e. obtain copper-coated magnesium alloy wire rod.
Embodiment
3
:
A kind of creep resistance Dow metal, contains according to weight percent content: Al:12%, Eu:1.5%, Re:0.6%, Ca:1.6%, Th:1.5%, Nd:2.3%, Co:1.3%, Ta:1.0%, Dy:0.15%, W:0.4%, Rh:0.9%, Sb:2.3%, Bi:2.3%, Ho:0.5%, surplus is the copper strips of Mg and 40%, and its preparation method comprises the following steps:
(1) raw material prepares: carrying out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Eu intermediate alloy, pure Al ingot, pure Re, Al-Th intermediate alloy, Al-Ca intermediate alloy, Al-Co intermediate alloy, Mg-Nd intermediate alloy, Mg-Ta intermediate alloy, pure Dy, Al-Sb intermediate alloy, Al-W intermediate alloy, pure Rh, Al-Bi intermediate alloy, Al-Ho intermediate alloy；
(2) melting: carry out molten alloy in resistance furnace under conditions of SF6 gas and sodium chloride coverture are protected; all raw materials in step (1) are added in resistance furnace; temperature controls at 1200 DEG C; mechanical agitation 5 minutes after all raw materials are completely melt; after standing 30 minutes; carry out dragging for slag, obtain magnesium alloy smelting liquid；
(3) refine: carrying out refine by passing through the magnesium alloy smelting liquid RJ-5 refining agent dragging for slag gained in step (2), refining temperature is 1300 DEG C, and refining time is 15 minutes, obtains magnesium alloy refining liquid；
(4) molding: the magnesium alloy refining liquid of gained in step (3) is cast into Ф 0.5cm, the magnesium alloy bar of long 100cm；Mould therefor preheating temperature is 500 DEG C, and cast temperature is 1200 DEG C；
(5) solution treatment: the magnesium alloy bar of gained in step (4) is carried out in 1000 DEG C solution treatment, and the time is 42 hours:
(6) quenching: magnesium alloy bar through solution treatment in step (5) is carried out shrend, puts into the magnesium alloy bar after quenching in the resistance furnace of 300 DEG C and carries out artificial aging 60 hours, prepare magnesium alloy blank；
(7) magnesium alloy bar/wire rod processed: the magnesium alloy blank of gained in step (6) is heated to 700 DEG C, after being incubated 3 hours, the method using multi-pass small deformation amount, magnesium alloy blank is made the magnesium alloy bar/wire rod of a diameter of 0.3 centimetre；
(8) copper strips hacking: the copper strips accounting for all raw material weight percentage ratio 30% is carried out surface grinding process by hard steel wire brush；
(9) copper-coated magnesium alloy wire rod blank processed: with copper strips through surface grinding process in step (8), the magnesium alloy bar/wire rod of gained in step (7) is wrapped in centre, make copper-coated magnesium alloy wire rod blank with the pressure of 3MPa；
(10) copper-coated magnesium alloy wire rod processed: under argon shield, copper-coated magnesium alloy wire rod blank is carried out argon arc welding; by brazing together; after forming copper-coated magnesium alloy wire rod; the method of multi-pass small deformation amount is used to be drawn into the copper-coated magnesium alloy wire rod of 0.3cm with drawbench; at a temperature of 300 DEG C, carry out Ageing Treatment 42 hours again, after cooling, i.e. obtain copper-coated magnesium alloy wire rod.
Below the present invention is described in detail, the above, only the preferred embodiments of the invention, when not limiting the scope of the present invention, the most all made impartial change according to the application scope and modified, all should still be belonged in covering scope of the present invention.
Claims (3)
1. a copper-coated magnesium alloy wire rod, it is characterised in that contain according to weight percent content: Al:10-12%, Eu:0.5-1.5%, Re:0.2-0.6%, Ca:1.2-1.6%, Th:0.5-1.5%, Nd:2.1-2.3%, Co:0.7-1.3%, Ta:0.8-1.0%, Dy:0.05-0.15%, W:0.2-0.4%, Rh:0.7-0.9%, Sb:2.1-2.3%, Bi:2.1-2.3%, Ho:0.3-0.5%, surplus is the copper strips of Mg and 30-40%.
2. copper-coated magnesium alloy wire rod as claimed in claim 1, it is characterised in that: contain according to weight percent content: Al:10%, Eu:0.5%, Re:0.2%, Ca:1.2%, Th:0.5%, Nd:2.1%, Co:0.7%, Ta:0.8%, Dy:0.05%, W:0.2%, Rh:0.7%, Sb:2.1%, Bi:2.1%, Ho:0.3%, surplus is the copper strips of Mg and 30%.
3. the preparation method of a copper-coated magnesium alloy wire rod as claimed in claim 1, it is characterised in that:
(1) raw material prepares: carrying out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Eu intermediate alloy, pure Al ingot, pure Re, Al-Th intermediate alloy, Al-Ca intermediate alloy, Al-Co intermediate alloy, Mg-Nd intermediate alloy, Mg-Ta intermediate alloy, pure Dy, Al-Sb intermediate alloy, Al-W intermediate alloy, pure Rh, Al-Bi intermediate alloy, Al-Ho intermediate alloy；
(2) melting: carry out molten alloy in resistance furnace under conditions of SF6 gas and sodium chloride coverture are protected; all raw materials in step (1) are added in resistance furnace; temperature controls at 1100 DEG C～1200 DEG C; mechanical agitation 5 minutes after all raw materials are completely melt; after standing 30 minutes; carry out dragging for slag, obtain magnesium alloy smelting liquid；
(3) refine: carrying out refine by passing through the magnesium alloy smelting liquid RJ-5 refining agent dragging for slag gained in step (2), refining temperature is 1200 DEG C～1300 DEG C, and refining time is 15 minutes, obtains magnesium alloy refining liquid；
(4) molding: the magnesium alloy refining liquid of gained in step (3) is cast into Ф 0.5cm, the magnesium alloy bar of long 100cm；Mould therefor preheating temperature is 400 DEG C～500 DEG C, and cast temperature is 1100 DEG C～1200 DEG C；
(5) solution treatment: in 900 DEG C～1000 DEG C, the magnesium alloy bar of gained in step (4) is carried out solution treatment, and the time is 42 hours:
(6) quenching: magnesium alloy bar through solution treatment in step (5) is carried out shrend, puts into the magnesium alloy bar after quenching in the resistance furnace of 300 DEG C and carries out artificial aging 60 hours, prepare magnesium alloy blank；
(7) magnesium alloy bar/wire rod processed: the magnesium alloy blank of gained in step (6) is heated to 600 DEG C～700 DEG C, after being incubated 3 hours, the method using multi-pass small deformation amount, magnesium alloy blank is made the magnesium alloy bar/wire rod of a diameter of 0.3 centimetre；
(8) copper strips hacking: the copper strips accounting for all raw material weight percentage ratio 30% is carried out surface grinding process by hard steel wire brush；
(9) copper-coated magnesium alloy wire rod blank processed: with copper strips through surface grinding process in step (8), the magnesium alloy bar/wire rod of gained in step (7) is wrapped in centre, make copper-coated magnesium alloy wire rod blank with the pressure of 1-3MPa；
(10) copper-coated magnesium alloy wire rod processed: under argon shield, copper-coated magnesium alloy wire rod blank is carried out argon arc welding; by brazing together; after forming copper-coated magnesium alloy wire rod; the method of multi-pass small deformation amount is used to be drawn into the copper-coated magnesium alloy wire rod of 0.3cm with drawbench; at a temperature of 250 DEG C～300 DEG C, carry out Ageing Treatment 42 hours again, after cooling, i.e. obtain copper-coated magnesium alloy wire rod.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3677745A (en) * | 1969-02-24 | 1972-07-18 | Cooper Range Co | Copper base composition |
| CN101202130A (en) * | 2007-12-06 | 2008-06-18 | 崔晓明 | Aluminum-magnesium alloy conductor containing rare earth covering by cuprum as well as manufacturing method and usage thereof |
| CN102230202A (en) * | 2011-06-21 | 2011-11-02 | 哈尔滨工业大学 | Copper-plating method of MB2 magnesium alloy wires |
| CN102254634A (en) * | 2011-07-04 | 2011-11-23 | 珠海光乐电力母线槽有限公司 | Method for manufacturing metal composite material and material manufactured by same |
| CN102290115A (en) * | 2011-07-04 | 2011-12-21 | 珠海光乐电力母线槽有限公司 | Metal composite material and manufacturing method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3677745A (en) * | 1969-02-24 | 1972-07-18 | Cooper Range Co | Copper base composition |
| CN101202130A (en) * | 2007-12-06 | 2008-06-18 | 崔晓明 | Aluminum-magnesium alloy conductor containing rare earth covering by cuprum as well as manufacturing method and usage thereof |
| CN102230202A (en) * | 2011-06-21 | 2011-11-02 | 哈尔滨工业大学 | Copper-plating method of MB2 magnesium alloy wires |
| CN102254634A (en) * | 2011-07-04 | 2011-11-23 | 珠海光乐电力母线槽有限公司 | Method for manufacturing metal composite material and material manufactured by same |
| CN102290115A (en) * | 2011-07-04 | 2011-12-21 | 珠海光乐电力母线槽有限公司 | Metal composite material and manufacturing method thereof |
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