CN101518859A - High strength corrosion-resistant brazing copper alloy welding wire - Google Patents
High strength corrosion-resistant brazing copper alloy welding wire Download PDFInfo
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- CN101518859A CN101518859A CN200910068228A CN200910068228A CN101518859A CN 101518859 A CN101518859 A CN 101518859A CN 200910068228 A CN200910068228 A CN 200910068228A CN 200910068228 A CN200910068228 A CN 200910068228A CN 101518859 A CN101518859 A CN 101518859A
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Abstract
The invention relates to a welding material, in particular to a high strength corrosion-resistant brazing copper alloy welding wire which is characterized by comprising 2.8 percent to 4.0 percent of Si, 0.5 percent to 1.5 percent of Mn, and at least one or more elements of 0.2 percent to 1.0 percent of Mg, 0.1 percent to 0.8 percent of Ti and 0.01 percent to 0.1 percent of Ce, less than 0.5 percent of impurity and the balance of Cu. The high strength corrosion-resistant brazing copper alloy welding wire has the advantages that the welding strength and the corrosion resistance of the brazing alloy are improved, the plastic deformation capacity of the brazing alloy is increased, the work hardening rate is reduced, and the times of intermediate annealing and acid cleaning during the drawing process are reduced.
Description
Technical field
The present invention relates to a kind of welding material, particularly a kind of high strength corrosion-resistant brazing copper alloy welding wire.
Background technology
Be used for the automobile body covering piece laser braze welding at present, welding wires such as MIG arc brazing are most, and (the silicon bronze alloy solder of Cu+2.7～3.5%Si+1.0～1.5%Mn), domestic and international annual consumption surpasses more than 5000 tons with S211.But this silicon bronze alloy solder brazing intensity is not high, and corrosion resistance is poor, and work hardening is fast, and wire drawing will be annealed pickling in producing repeatedly.Production cycle is long, and power consumption is high, and loss is big, and is seriously polluted, therefore hinders the production and the application of this brazing filler metal alloy always.
Summary of the invention
Purpose of the present invention is exactly in order to address the above problem, and provide a kind of high strength corrosion-resistant brazing copper alloy welding wire, pass through the technical program, not only can improve weld strength, the corrosion resistance of such brazing filler metal alloy, and can increase the plastic deformation ability of alloy, reduce preliminary work hardening rate simultaneously, reduce intermediate annealing and pickling number of times in the drawing process.
In order to achieve the above object, technical scheme of the present invention is: a kind of high strength corrosion-resistant brazing copper alloy welding wire, it is characterized in that: each component ingredient is Si 2.8%～4.0%, Mn 0.5%～1.5%, and containing Mg 0.2%～1.0% at least, Ti 0.1%～0.8%, more than a kind of element among the Ce 0.01%～0.1%, total impurities is below 0.5%, and surplus is Cu.
The preparation technology of above-mentioned high strength corrosion-resistant brazing copper alloy welding wire is:
1. technical pure Cu (purity is more than 99.6%);
2. batching: in Cu, add Si, Mn in above-mentioned composition ratio, and add at least in more than Mg, the Ti of above-mentioned composition ratio, a kind of element among the Ce;
3. found alloy in main frequency furnace, the calcining charcoal covers, at 1200 ℃ of following horizontal casting ￠ 12.0mm line bases;
4. cold drawn → annealing → pickling → as to be cold drawn to ￠ 1.0mm welding wire.
Beneficial effect of the present invention: improved weld strength, the corrosion resistance of such brazing filler metal alloy, increased the plastic deformation ability of alloy, reduced preliminary work hardening rate simultaneously, reduced intermediate annealing and pickling number of times in the drawing process.
The specific embodiment
Embodiment 1: a kind of high strength corrosion-resistant brazing copper alloy welding wire, chemical analysis are Si 3.5%, Mn 1.2%, Ti 0.4%, Mg 0.7%, and total impurities is below 0.5%, and surplus is Cu.
1. technical pure Cu (purity is more than 99.6%);
2. prepare burden: in Cu, add Si 3.5%, Mn 1.2%, and add Ti 0.4%, Mg 0.7%;
3. found alloy in main frequency furnace, the calcining charcoal covers, at 1200 ℃ of following horizontal casting ￠ 12.0mm line bases;
4. cold drawn → annealing → pickling → as to be cold drawn to ￠ 1.0mm welding wire.
Embodiment 2: a kind of high strength corrosion-resistant brazing copper alloy welding wire, chemical analysis are Si 3.2%, Mn 1.2%, Ti 0.4%, Ce 0.08%, and total impurities is below 0.5%, and surplus is Cu.
1. technical pure Cu (purity is more than 99.6%);
2. prepare burden: in Cu, add Si 3.5%, Mn 1.2%, and add Ti 0.4%, Ce 0.08%;
3. found alloy in main frequency furnace, the calcining charcoal covers, at 1200 ℃ of following horizontal casting ￠ 12.0mm line bases;
4. cold drawn → annealing → pickling → as to be cold drawn to ￠ 1.0mm welding wire.
The above only is two kinds of embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (2)
1, a kind of high strength corrosion-resistant brazing copper alloy welding wire, it is characterized in that: each component ingredient is Si 2.8%～4.0%, Mn 0.5%～1.5%, and contain Mg 0.2%～1.0% at least, Ti 0.1%～0.8%, more than a kind of element among the Ce 0.01%～0.1%, total impurities is below 0.5%, and surplus is Cu.
2, a kind of high strength corrosion-resistant brazing copper alloy welding wire according to claim 1, it is characterized in that: the preparation technology of described high strength corrosion-resistant brazing copper alloy welding wire is:
(1) technical pure Cu (purity is more than 99.6%);
(2) batching: in Cu, add Si, Mn in above-mentioned composition ratio, and add at least in more than Mg, the Ti of above-mentioned composition ratio, a kind of element among the Ce;
(3) found alloy in main frequency furnace, the calcining charcoal covers, at 1200 ℃ of following horizontal casting ￠ 12.0mm line bases;
(4) cold drawn → annealing → pickling → be cold drawn to ￠ 1.0mm welding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910068228A CN101518859A (en) | 2009-03-23 | 2009-03-23 | High strength corrosion-resistant brazing copper alloy welding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910068228A CN101518859A (en) | 2009-03-23 | 2009-03-23 | High strength corrosion-resistant brazing copper alloy welding wire |
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| Publication Number | Publication Date |
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| CN101518859A true CN101518859A (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910068228A Pending CN101518859A (en) | 2009-03-23 | 2009-03-23 | High strength corrosion-resistant brazing copper alloy welding wire |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850481A (en) * | 2010-06-22 | 2010-10-06 | 哈尔滨工业大学 | Copper alloy solder wire for fusion welding of thick and big red copper member and preparation method thereof |
| CN104028914A (en) * | 2014-05-30 | 2014-09-10 | 西安理工大学 | Welding wire for welding titanium-pipeline steel composite board approximate-steel layer and preparation method thereof |
| CN107186384A (en) * | 2017-07-31 | 2017-09-22 | 安徽华众焊业有限公司 | A kind of copper silicon welding wire |
| CN108856942A (en) * | 2018-07-09 | 2018-11-23 | 广汽本田汽车有限公司 | A kind of method of automobile calash high-rate laser soldering |
-
2009
- 2009-03-23 CN CN200910068228A patent/CN101518859A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850481A (en) * | 2010-06-22 | 2010-10-06 | 哈尔滨工业大学 | Copper alloy solder wire for fusion welding of thick and big red copper member and preparation method thereof |
| CN101850481B (en) * | 2010-06-22 | 2012-03-07 | 哈尔滨工业大学 | Copper alloy solder wire for fusion welding of thick and big red copper member and preparation method thereof |
| CN104028914A (en) * | 2014-05-30 | 2014-09-10 | 西安理工大学 | Welding wire for welding titanium-pipeline steel composite board approximate-steel layer and preparation method thereof |
| CN107186384A (en) * | 2017-07-31 | 2017-09-22 | 安徽华众焊业有限公司 | A kind of copper silicon welding wire |
| CN108856942A (en) * | 2018-07-09 | 2018-11-23 | 广汽本田汽车有限公司 | A kind of method of automobile calash high-rate laser soldering |
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Open date: 20090902 |