CN106736006A - Zn Al Cu base solders and preparation method thereof - Google Patents
Zn Al Cu base solders and preparation method thereof Download PDFInfo
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- CN106736006A CN106736006A CN201611081761.XA CN201611081761A CN106736006A CN 106736006 A CN106736006 A CN 106736006A CN 201611081761 A CN201611081761 A CN 201611081761A CN 106736006 A CN106736006 A CN 106736006A
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- aluminium
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/286—Al as the principal constituent
- B23K35/288—Al as the principal constituent with Sn or Zn
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present invention proposes a kind of Zn Al Cu base solders and preparation method thereof, is calculated according to percetage by weight, including following raw material is made：Al 10~20%, MgF20.6~2%, Cu 5~15%, Ge 2~6%, P 0.03~0.4% and Ti 0.02~0.2%, balance of aluminium.Preparation method：Each component is made foundry alloy by the percentage by weight of regulation, foundry alloy is loaded in graphite crucible, the sensing heating remelting in vacuum drying oven, when being heated to 700~800 DEG C, high speed with argon gas by fused solution alloy spray to cast in any surface finish is rotated on red copper roller, and chilling obtains solder foil band.The solder has the advantages that low, corrosion-resistant fusing point, high intensity and spreadability high.
Description
Technical field
The invention belongs to technical field of soldering materials, and in particular to a kind of Zn-Al-Cu bases solder and preparation method thereof.
Background technology
Since 21st century, with the development of low-carbon economy, popular vehicles lightweight, the becoming for steel with aluminium
Gesture is fairly obvious.Automobile, railcar, passenger train, the car body of bullet train, chassis structure part material, door and window, shelf,
The all useful aluminium manufacture such as part of automobile engine, air-conditioner, radiator, car body panel, wheel hub.Average each automobile needs aluminium
More than 100 kilograms of processed goods, and full aluminium automobile is fast-developing, the high-strength aluminum alloy structure of high speed railway car (bullet train)
Part consumption accounts for the 70% of vehicle total amount of material, and the aluminum alloy junction component on airliner accounts for the 80% of whole machine material.Other traffic
Equipment such as Aeronautics and Astronautics device, the manufacturing industry of various Small Civil vehicles also largely needs various aluminum alloy junction components.Industrial aluminium
In 2009 more than 2,000,000 tons, the only consumption of automobile industry just reaches 1,300,000 tons to the total amount of alloy.Used by the said equipment
In aluminum alloy junction component, about 15~20% aluminum alloy junction component is processed by soldering and constituted, and the soldering according to 1% is average
Consumptive material rate is calculated, and the demand of aluminium soldering aluminium base solder is about 3000~4000 tons.
Based on A1-Si eutectic compositions, the eutectic alloy has good wetability, mobility, pricker to Al-Si brazing filler metals
The corrosion resistance and machinability of plumb joint, and soldering joint strength is high, is most widely used a kind of aluminium pricker in aluminium alloy brazing
Material.But Al-Si brazing filler metal fusing points are (eutectic temperature of Al-Si eutectic alloys is 577 DEG C) higher, and brazing temperature exists more during soldering
More than 600 DEG C, close to the solidus temperature of aluminium alloy, easily make mother metal that the phenomenons such as burning, corrosion occur.
During rustproof aluminum alloy is welded, also one problem for meriting attention is the decay resistance at weld interface.Aluminium
Alloy welding material is that (solder compositions have larger difference to heterogeneous solder with mother metal, mainly for improvement weld seam crack resistance mostly
Formulate), miniature corrosion cell, and most solder alloy elements can be formed between solder compositions and mother metal at weld interface
Electronegativity is more than aluminium element, can so cause local corrosion at weld interface, causes weld defect, reduces welding quality.
Therefore develop that a kind of fusing point is low, brazing property is excellent, and with the aluminium alloy brazing filler metal of certain decay resistance, and
Using a kind of processing technology is simple, low cost solder technology of preparing has important commercial Application meaning.
The content of the invention
The present invention proposes a kind of Zn-Al-Cu bases solder, and the solder has that fusing point is low, corrosion-resistant, high intensity is sprawled with high
The advantage of property.
The technical proposal of the invention is realized in this way：
A kind of Zn-Al-Cu bases solder, calculates according to percetage by weight, including following raw material is made：
Al 10~20%, MgF20.6~2%, Cu 5~15%, Ge 2~6%, P 0.03~0.4% and Ti0.02~
0.2%, balance of aluminium.
Further, calculated according to percetage by weight, including following raw material is made：
Al 12~18%, MgF20.8~1.8%, Cu 6~14%, Ge 2~5%, P 0.1~0.3% and Ti0.06
~0.18%, balance of aluminium.
Further, calculated according to percetage by weight, including following raw material is made：
Al 16%, MgF21.5%th, Cu 10%, Ge 4%, P 0.2% and Ti 0.15%, balance of aluminium.
Further, calculated according to percetage by weight, including following raw material is made：
Al 10%, MgF22%th, Cu 14%, Ge 5%, P 0.4% and Ti 0.2%, balance of aluminium.
Further, calculated according to percetage by weight, including following raw material is made：
Al 20%, MgF20.6%th, Cu 5%, Ge 2%, P 0.03% and Ti 0.02%, balance of aluminium.
It is a further object to provide a kind of preparation method of Zn-Al-Cu bases solder, by each component by regulation
Percentage by weight is made foundry alloy, foundry alloy is loaded in graphite crucible, the sensing heating remelting in vacuum drying oven, when being heated to
At 700~800 DEG C, the high speed with argon gas by fused solution alloy spray to cast in any surface finish is rotated on red copper roller, and chilling obtains solder
Foil.
Further, the solder foil tape thickness is 0.02~0.10mm.
Beneficial effects of the present invention：
1st, present invention face on the basis of Zn-Al-Cu base solders adds MgF2Fusing point can be not only reduced with P, is improve
The decay resistance of solder, corrosion electric current density is 1.921~2.286 μ Acm-2.Zn-Al-Cu base solders, fusion temperature scope
It is 365~390 DEG C.Ge can form intermetallic compound with Cu, suppress Al-Cu intermetallic compounds on Cu mother metals and the boundary of brazed seam
Grown at face, the pattern of interface Al-Cu metallic compounds is improved, so as to improve the anti-shear performance of joint.Ti can be refined
Brazing seam structure, reduces CuAl in brazed seam2The size of intermetallic compound, further increases the toughness and shear resistant of joint
Energy.
2nd, solder of the invention has intensity higher, coordinates the aluminium alloy of QJ201 brazing fluxes soldering 3003, shearing strength of joint
More than or equal to 75MPa.
Specific embodiment
Embodiment 1
A kind of Zn-Al-Cu bases solder, calculates according to percetage by weight, including following raw material is made：
Al 16%, MgF21.5%th, Cu 10%, Ge 4%, P 0.2% and Ti 0.15%, balance of aluminium.
Preparation method, comprises the following steps：
Each component is made foundry alloy by the percentage by weight of regulation, foundry alloy is loaded in graphite crucible, in vacuum drying oven
Interior sensing heating remelting, when being heated to 750 DEG C, with the argon gas of 0.5Pa by fused solution alloy spray to cast any surface finish height
On speed rotation red copper roller, chilling obtains the alloy foil band that thickness is 0.02~0.10mm.
According to GB11363-89《Soldering joint strength test method》, the aluminium alloy of adapted QJ201 furnace brazings 3003, soldering
Joint bending stiffness >=75Mpa.Being obtained, intercepted length on brazing filler metal alloy rod is (dynamic electric for the sample of 0.5mm carries out corrosion test
Bit polarization curve), corrosion electric current density is measured for 1.921 μ A cm-2。
Embodiment 2
A kind of Zn-Al-Cu bases solder, calculates according to percetage by weight, including following raw material is made：
Al 10%, MgF22%th, Cu 14%, Ge 5%, P 0.4% and Ti 0.2%, balance of aluminium.
Preparation method, comprises the following steps：
Each component is made foundry alloy by the percentage by weight of regulation, foundry alloy is loaded in graphite crucible, in vacuum drying oven
Interior sensing heating remelting, when being heated to 700 DEG C, with the argon gas of 0.7Pa by fused solution alloy spray to cast any surface finish height
On speed rotation red copper roller, chilling obtains the alloy foil band that thickness is 0.02~0.10mm.
According to GB11363-89《Soldering joint strength test method》, the aluminium alloy of adapted QJ201 furnace brazings 3003, soldering
Joint bending stiffness >=77Mpa.Being obtained, intercepted length on brazing filler metal alloy rod is (dynamic electric for the sample of 0.5mm carries out corrosion test
Bit polarization curve), corrosion electric current density is measured for 2.025 μ A cm-2。
Embodiment 3
A kind of Zn-Al-Cu bases solder, calculates according to percetage by weight, including following raw material is made：
Al 20%, MgF20.6%th, Cu 5%, Ge 2%, P 0.03% and Ti 0.02%, balance of aluminium.
Preparation method, comprises the following steps：
Each component is made foundry alloy by the percentage by weight of regulation, foundry alloy is loaded in graphite crucible, in vacuum drying oven
Interior sensing heating remelting, when being heated to 800 DEG C, with the argon gas of 0.6Pa by fused solution alloy spray to cast any surface finish height
On speed rotation red copper roller, chilling obtains the alloy foil band that thickness is 0.02~0.10mm.
According to GB11363-89《Soldering joint strength test method》, the aluminium alloy of adapted QJ201 furnace brazings 3003, soldering
Joint bending stiffness >=78Mpa.Being obtained, intercepted length on brazing filler metal alloy rod is (dynamic electric for the sample of 0.5mm carries out corrosion test
Bit polarization curve), corrosion electric current density is measured for 2.128 μ A cm-2。
Embodiment 4
A kind of Zn-Al-Cu bases solder, calculates according to percetage by weight, including following raw material is made：
Al 13%, MgF21.5%th, Cu 15%, Ge 6%, P 0.2% and Ti 0.2%, balance of aluminium.
Preparation method, comprises the following steps：
Each component is made foundry alloy by the percentage by weight of regulation, foundry alloy is loaded in graphite crucible, in vacuum drying oven
Interior sensing heating remelting, when being heated to 770 DEG C, with the argon gas of 0.65Pa by fused solution alloy spray to cast any surface finish height
On speed rotation red copper roller, chilling obtains the alloy foil band that thickness is 0.02~0.10mm.
According to GB11363-89《Soldering joint strength test method》, the aluminium alloy of adapted QJ201 furnace brazings 3003, soldering
Joint bending stiffness >=76Mpa.Being obtained, intercepted length on brazing filler metal alloy rod is (dynamic electric for the sample of 0.5mm carries out corrosion test
Bit polarization curve), corrosion electric current density is measured for 2.286 μ A cm-2。
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of Zn-Al-Cu bases solder, it is characterised in that calculated according to percetage by weight, including following raw material is made：
Al 10~20%, MgF20.6~2%, Cu 5~15%, Ge 2~6%, P 0.03~0.4% and Ti0.02~
0.2%, balance of aluminium.
2. Zn-Al-Cu bases solder according to claim 1, it is characterised in that calculated according to percetage by weight, including with
Lower raw material is made：
Al 12~18%, MgF20.8~1.8%, Cu 6~14%, Ge 2~5%, P 0.1~0.3% and Ti0.06~
0.18%, balance of aluminium.
3. Zn-Al-Cu bases solder according to claim 2, it is characterised in that calculated according to percetage by weight, including with
Lower raw material is made：
Al 16%, MgF21.5%th, Cu 10%, Ge 4%, P 0.2% and Ti 0.15%, balance of aluminium.
4. Zn-Al-Cu bases solder according to claim 1, it is characterised in that calculated according to percetage by weight, including with
Lower raw material is made：
Al 10%, MgF22%th, Cu 14%, Ge 5%, P 0.4% and Ti 0.2%, balance of aluminium.
5. Zn-Al-Cu bases solder according to claim 1, it is characterised in that calculated according to percetage by weight, including with
Lower raw material is made：
Al 20%, MgF20.6%th, Cu 5%, Ge 2%, P 0.03% and Ti 0.02%, balance of aluminium.
6. the preparation method of the Zn-Al-Cu base solders as described in claim 1 to 5 any one, it is characterised in that by each group
Divide and be made foundry alloy by the percentage by weight of regulation, foundry alloy is loaded in graphite crucible, the sensing heating remelting in vacuum drying oven,
When being heated to 700~800 DEG C, the high speed with argon gas by fused solution alloy spray to cast in any surface finish is rotated on red copper roller, anxious
It is cold to obtain solder foil band.
7. the preparation method of Zn-Al-Cu bases solder according to claim 6, it is characterised in that the solder foil tape thickness
It is 0.02~0.10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081761.XA CN106736006A (en) | 2016-11-30 | 2016-11-30 | Zn Al Cu base solders and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081761.XA CN106736006A (en) | 2016-11-30 | 2016-11-30 | Zn Al Cu base solders and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106736006A true CN106736006A (en) | 2017-05-31 |
Family
ID=58901234
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611081761.XA Pending CN106736006A (en) | 2016-11-30 | 2016-11-30 | Zn Al Cu base solders and preparation method thereof |
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|---|---|---|---|---|
| US6152354A (en) * | 1997-04-09 | 2000-11-28 | Kaiser Aluminum & Chemical Corporation | Brazing filler alloy containing calcium |
| CN1313802A (en) * | 1999-06-11 | 2001-09-19 | 日本板硝子株式会社 | Lead-free solder |
| CN101007374A (en) * | 2007-01-18 | 2007-08-01 | 广州有色金属研究院 | Lead-free welding flux alloy suitable for dissimilar metals soldering flux of aluminum and copper |
| CN101323065A (en) * | 2008-07-08 | 2008-12-17 | 郑州机械研究所 | Self-fluxing aluminum solder and method for preparing the same |
| CN102146540A (en) * | 2010-02-08 | 2011-08-10 | 株式会社神户制钢所 | Aluminum alloy clad member adopted to heat exchanger, and core material for the same |
| CN102152024A (en) * | 2011-04-28 | 2011-08-17 | 浙江大学 | High-strength aluminum alloy brazing filler metal with melting point being lower than 500 DEG C and preparation method thereof |
| CN102319963A (en) * | 2011-08-26 | 2012-01-18 | 桂林市庆通有色金属工艺材料开发有限公司 | Al-Si-Cu-Zn-Sn-Ni aluminum-based brazing filler metal and preparation method thereof |
| CN103008909A (en) * | 2012-12-13 | 2013-04-03 | 浙江大学 | Medium-temperature aluminum-based foil strap brazing material and preparation method thereof |
| CN103934590A (en) * | 2014-04-13 | 2014-07-23 | 北京工业大学 | ZnAlMgIn high temperature lead-free solder |
| CN105195923A (en) * | 2015-11-17 | 2015-12-30 | 镇江市锶达合金材料有限公司 | Environment-friendly brazing material having corrosion resistance |
| CN105234581A (en) * | 2015-11-12 | 2016-01-13 | 镇江市锶达合金材料有限公司 | High-moisture brazing material |
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- 2016-11-30 CN CN201611081761.XA patent/CN106736006A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6152354A (en) * | 1997-04-09 | 2000-11-28 | Kaiser Aluminum & Chemical Corporation | Brazing filler alloy containing calcium |
| CN1313802A (en) * | 1999-06-11 | 2001-09-19 | 日本板硝子株式会社 | Lead-free solder |
| CN101007374A (en) * | 2007-01-18 | 2007-08-01 | 广州有色金属研究院 | Lead-free welding flux alloy suitable for dissimilar metals soldering flux of aluminum and copper |
| CN101323065A (en) * | 2008-07-08 | 2008-12-17 | 郑州机械研究所 | Self-fluxing aluminum solder and method for preparing the same |
| CN102146540A (en) * | 2010-02-08 | 2011-08-10 | 株式会社神户制钢所 | Aluminum alloy clad member adopted to heat exchanger, and core material for the same |
| CN102152024A (en) * | 2011-04-28 | 2011-08-17 | 浙江大学 | High-strength aluminum alloy brazing filler metal with melting point being lower than 500 DEG C and preparation method thereof |
| CN102319963A (en) * | 2011-08-26 | 2012-01-18 | 桂林市庆通有色金属工艺材料开发有限公司 | Al-Si-Cu-Zn-Sn-Ni aluminum-based brazing filler metal and preparation method thereof |
| CN103008909A (en) * | 2012-12-13 | 2013-04-03 | 浙江大学 | Medium-temperature aluminum-based foil strap brazing material and preparation method thereof |
| CN103934590A (en) * | 2014-04-13 | 2014-07-23 | 北京工业大学 | ZnAlMgIn high temperature lead-free solder |
| CN105234581A (en) * | 2015-11-12 | 2016-01-13 | 镇江市锶达合金材料有限公司 | High-moisture brazing material |
| CN105195923A (en) * | 2015-11-17 | 2015-12-30 | 镇江市锶达合金材料有限公司 | Environment-friendly brazing material having corrosion resistance |
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Application publication date: 20170531 |