CN104878243A - Copper aluminum alloy and preparation method thereof - Google Patents
Copper aluminum alloy and preparation method thereof Download PDFInfo
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- CN104878243A CN104878243A CN201510356840.6A CN201510356840A CN104878243A CN 104878243 A CN104878243 A CN 104878243A CN 201510356840 A CN201510356840 A CN 201510356840A CN 104878243 A CN104878243 A CN 104878243A
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Abstract
The invention relates to copper aluminum alloy and a preparation method thereof. The copper aluminum alloy comprises, by weight, 7%-10% of aluminum, 0.6%-1% of manganese, 0.2%-0.4% of vanadium, 10%-20% of lithium, 0.1%-0.2% of zinc, and the balance copper. The copper aluminum alloy is prepared in a high temperature smelting furnace through the steps of high temperature smelting, cooling and the like, and the copper aluminum alloy is subjected to zinc impregnation processing. The prepared copper aluminum alloy has high electric conductivity while low cost is guaranteed.
Description
Technical field
The present invention relates to a kind of X alloy and preparation method, belong to high conductivity alloy field.
Background technology
The purposes of copper is comparatively extensive, very many in field of electronic transmission application.After copper is prepared to X alloy, still have very high requirement to the electron conductivity of X alloy, but the specific conductivity of X alloy common is at present all lower, the demand in market can not be met completely.How improving the specific conductivity of X alloy, is the topic that correlative study person compares concern.The specific conductivity of usual X alloy only has 25%IACS to 30%IACS, and therefore we need to regulate the elementary composition of X alloy and proportioning, perhaps can improve the specific conductivity of X alloy; And traditional copper zinc alloy is because the cost of zinc is higher, directly adopt a large amount of zinc to carry out alloy, overall cost can uprise.
Summary of the invention
The technical problem solved: the problem that conventional X alloy specific conductivity is lower.
The technical solution adopted for the present invention to solve the technical problems is:
Technical scheme:
A kind of X alloy, described X alloy is made up of according to weight ratio following composition: aluminium is 7-10%, manganese is 0.6-1%, vanadium is 0.2-0.4%, lithium is 0.1-0.2%, zinc is 0.1-0.2%, all the other are copper.
The preparation method of X alloy and a process of surface treatment, comprise the following steps:
Step one: by smelting furnace heating temperatures to 600-800 DEG C;
Step 2: drop into copper, manganese, vanadium in smelting furnace, melting 2h;
Step 3: smelting furnace temperature is reduced to 400-500 DEG C, adds stablizer, accelerator, aluminium, lithium in smelting furnace;
Described stablizer is methanesulfonic tin, accelerator is 2-mercaptobenzothiazole;
The add-on of described stablizer is every kilogram of copper 3-20g, and accelerator is every kilogram of copper 5-10g;
Step 4: pass into high temperature chlorine in smelting furnace, and improve smelting furnace temperature to 1400-1500 DEG C;
Step 5: after being cast into copper ingot, is cooled to room temperature, obtains X alloy;
Step 6: the X alloy obtained is put into Sherardizing furnace, and add sanitas sodium-chlor, at the temperature of 300-500 DEG C, carry out zincizing, the zincizing time is 2h.
The invention has the beneficial effects as follows:
X alloy prepared by the present invention has very high specific conductivity, and specific conductivity is 40%IACS to 45%IACS, the widespread demand of high conductivity of can satisfying the demand alloy field.
What the present invention innovated adds stablizer and accelerator in preparation process, prevents lithium isoreactivity material and smelting furnace body from merging, affects finished product rate.
The present invention adopts zincizing technique, while guarantee electric conductivity, reduce cost.
Embodiment
Embodiment 1
The preparation method of X alloy, comprises the following steps:
Step one: by smelting furnace heating temperatures to 700 DEG C;
Step 2: drop into 956g copper, 10g manganese, 4g vanadium in smelting furnace, melting 2h;
Step 3: smelting furnace temperature is reduced to 500 DEG C, adds 15g methanesulfonic tin, 5g2-mercaptobenzothiazole, aluminium 10g, lithium 20g in smelting furnace;
Step 4: pass into high temperature chlorine in smelting furnace, and improve smelting furnace temperature to 1500 DEG C;
Step 5: after being cast into copper ingot, is cooled to room temperature, obtains X alloy;
Step 6: the X alloy obtained is put into Sherardizing furnace, and add sanitas sodium-chlor 5g, at the temperature of 500 DEG C, carry out zincizing, the zincizing time is 2h.
The electric conductivity of the alloy obtained is 40%IACS.
Embodiment 2
The preparation method of X alloy, comprises the following steps:
Step one: by smelting furnace heating temperatures to 700 DEG C;
Step 2: drop into 950g copper, 12g manganese, 6g vanadium in smelting furnace, melting 2h;
Step 3: smelting furnace temperature is reduced to 500 DEG C, adds 15g methanesulfonic tin, 5g2-mercaptobenzothiazole, aluminium 12g, lithium 20g in smelting furnace;
Step 4: pass into high temperature chlorine in smelting furnace, and improve smelting furnace temperature to 1500 DEG C;
Step 5: after being cast into copper ingot, is cooled to room temperature, obtains X alloy;
Step 6: the X alloy obtained is put into Sherardizing furnace, and add sanitas sodium-chlor 10g, at the temperature of 450 DEG C, carry out zincizing, the zincizing time is 2h.
The electric conductivity of the alloy obtained is 41%IACS.
Embodiment 3
The preparation method of X alloy, comprises the following steps:
Step one: by smelting furnace heating temperatures to 650 DEG C;
Step 2: drop into 970g copper, 5g manganese, 4g vanadium add 30g carbon dust, melting 2h in smelting furnace;
Step 3: smelting furnace temperature is reduced to 400 DEG C, adds 15g methanesulfonic tin, 3g2-mercaptobenzothiazole, aluminium 10g, lithium 15g in smelting furnace;
Step 4: pass into high temperature chlorine in smelting furnace, and improve smelting furnace temperature to 1500 DEG C;
Step 5: after being cast into copper ingot, is cooled to room temperature, obtains X alloy.
Step 6: the X alloy obtained is put into Sherardizing furnace, and add sanitas sodium-chlor, at the temperature of 350 DEG C, carry out zincizing, the zincizing time is 2h.
The electric conductivity of the alloy obtained is 44%IACS.
Claims (4)
1. an X alloy, is characterized in that: described X alloy is made up of according to weight ratio following composition: aluminium is 0.7-1%, manganese is 0.6-1%, vanadium is 0.2-0.4%, lithium is 10-20%, zinc is 0.1-0.2%, all the other are copper.
2. the preparation method of a kind of X alloy as claimed in claim 1, is characterized in that: comprise the following steps:
Step one: by smelting furnace heating temperatures to 600-800 DEG C;
Step 2: drop into copper, aluminium, manganese, vanadium, lithium in smelting furnace, melting 2h;
Step 3: smelting furnace temperature is reduced to 400-500 DEG C, adds stablizer, accelerator, aluminium, lithium in smelting furnace;
Described stablizer is methanesulfonic tin, accelerator is 2-mercaptobenzothiazole;
The add-on of described stablizer is every kilogram of copper 3-20g, and accelerator is every kilogram of copper 5-10g;
Step 4: pass into high temperature chlorine in smelting furnace, and improve smelting furnace temperature to 1400-1500 DEG C;
Step 5: after being cast into copper ingot, is cooled to room temperature, obtains X alloy;
Step 6: the X alloy obtained is put into Sherardizing furnace, and add sanitas sodium-chlor, at the temperature of 300-500 DEG C, carry out zincizing, the zincizing time is 2h.
3. the preparation method of a kind of X alloy as claimed in claim 2, is characterized in that: the addition of described aluminium is 0.8%.
4. the preparation method of a kind of X alloy as claimed in claim 2, is characterized in that: the addition of described manganese is 0.8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510356840.6A CN104878243A (en) | 2015-06-25 | 2015-06-25 | Copper aluminum alloy and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510356840.6A CN104878243A (en) | 2015-06-25 | 2015-06-25 | Copper aluminum alloy and preparation method thereof |
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| CN201510356840.6A Pending CN104878243A (en) | 2015-06-25 | 2015-06-25 | Copper aluminum alloy and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6263631A (en) * | 1985-09-13 | 1987-03-20 | Mitsubishi Metal Corp | Cu alloy lead stock for semiconductor device |
| JPH0570870A (en) * | 1991-09-13 | 1993-03-23 | Kobe Steel Ltd | Production of copper alloy for heat transfer pipe and heat transfer pipe for heat exchanger |
| CN1540011A (en) * | 2003-10-27 | 2004-10-27 | 山东大学 | Lowmelting intermadiate alloy of copper and phosphor base and preparation method |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN101023191A (en) * | 2004-10-11 | 2007-08-22 | 迪尔金属合作两合公司 | Copper/zinc/silicon alloy, use and production thereof |
-
2015
- 2015-06-25 CN CN201510356840.6A patent/CN104878243A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6263631A (en) * | 1985-09-13 | 1987-03-20 | Mitsubishi Metal Corp | Cu alloy lead stock for semiconductor device |
| JPH0570870A (en) * | 1991-09-13 | 1993-03-23 | Kobe Steel Ltd | Production of copper alloy for heat transfer pipe and heat transfer pipe for heat exchanger |
| CN1540011A (en) * | 2003-10-27 | 2004-10-27 | 山东大学 | Lowmelting intermadiate alloy of copper and phosphor base and preparation method |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN101023191A (en) * | 2004-10-11 | 2007-08-22 | 迪尔金属合作两合公司 | Copper/zinc/silicon alloy, use and production thereof |
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Application publication date: 20150902 |
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