CN106312363B - A kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material and preparation method thereof - Google Patents
A kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material and preparation method thereof Download PDFInfo
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- CN106312363B CN106312363B CN201610784834.5A CN201610784834A CN106312363B CN 106312363 B CN106312363 B CN 106312363B CN 201610784834 A CN201610784834 A CN 201610784834A CN 106312363 B CN106312363 B CN 106312363B
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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
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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
- B23K35/40—Making wire or rods for soldering or welding
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Abstract
A kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material and preparation method thereof, solder composition are as follows: Cu 15-25wt%, Ag 15-25wt%, Ge 5-15wt%, Mg 1-5wt%, Ti 0.01-0.5wt%, Al surplus.The fusion temperature of the solder is low: 460~500 DEG C, Aluminum Alloy Vacuum Brazing is just able to achieve at 520~530 DEG C, brazing manufacturability is good, with good wetability, it is brazed angle of wetting≤20 °, rate of deposition >=90%, weld seam tensile strength >=95MPa are suitable for a variety of aluminium alloy middle temperature brazings and classification vacuum brazing.Preparation method includes: ingredient, prepares intermediate alloy, alloy cast, solution treatment, hot extrusion, the rolling of the deflections such as ausrolling+precision.0.10 ± 0.05mm of thickness can be prepared using the preparation method, width is greater than the foil-shaped brazing material of 100mm specification.
Description
Technical field
The present invention relates to a kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing materials and preparation method thereof, are mainly used for
Aluminium alloy medium temperature vacuum brazing belongs to metallurgy and calendering processing technique field.
Background technique
Aluminium and its alloy are most widely used structural materials in non-ferrous metal, have that density is small, intensity is high and corrosion-resistant
The advantages that, thus it is widely used in construction, mechanical equipment, communications and transportation, electrical, ship, chemical industry, aerospace and military affairs
The fields such as industry.The extensive use of aluminium and aluminium alloy puts forward new requirements the interconnection technique of aluminium and aluminium alloy, and soldering is aluminium
Alloy connects one of most common method, and the development of brazing material and soldering tech has been largely fixed aluminium and aluminium alloy exists
The level of application in corresponding field.It complicates, is needed using vacuum brazing especially with the precise structure of important aluminium alloy part
This accurate welding method, therefore the requirement to aluminum alloy vacuum solder is with regard to higher and higher.
Aluminum Alloy Vacuum Brazing is mainly Al-Si system with solder at present, which has good brazing property, anti-corruption
The advantages that corrosion is current most popular aluminum alloy brazing solder.But higher (the Al-Si conjunction of such brazing filler metal fusing point
577 DEG C of golden eutectic temperature), brazing temperature is mostly at 600 DEG C or more, with the aluminium alloys such as some 2A50 to be connect, 6061,6063
Fusing point be closer to, easily cause base material occur burning, corrosion phenomena such as, to reduce the performance of soldered fitting, it is therefore desirable to
Develop a kind of lower melting-point aluminium alloy medium temperature vacuum brazing material.Many researchs add Cu member usually on the basis of Al-Si system at present
Melting temperature is reduced, the brittleness that solder is also significantly greatly increased while reducing brazing filler metal fusing point is added in a large amount of of Cu, so that solder adds
Work is very poor.
Summary of the invention
The object of the present invention is to provide a kind of specific formulas of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material, should
Solder is five constituent element solders of aluminium alloy medium temperature vacuum brazing, and fusion temperature is low: 460~500 DEG C, welding performance is good, can be
520~530 DEG C of realization vacuum brazings, be suitable for a variety of aluminium alloy middle temperature brazings such as 2A50,3A21,5A05,5A06 and 6063,
The classification vacuum brazing of 6061 equal aluminium alloys.
Present invention provides a kind of systems of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum alloy state foil-shaped brazing material simultaneously
Preparation Method can prepare the foil-shaped brazing material of 0.10 ± 0.05mm of thickness, width greater than 100mm using the preparation method, more applicable
In the vacuum brazing compared with large-size aluminum alloy component.
To achieve the above object, the invention adopts the following technical scheme:
A kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material, the solder at being grouped as are as follows: Cu 15-
25wt%, Ag 15-25wt%, Ge 5-15wt%, Mg 0.5-5wt%, Ti 0.01-1wt%, Al surplus.
Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material as described above, it is preferable that the solder at being grouped as
Are as follows: Cu 18-22wt%, Ag 15-20wt%, Ge 8-12wt%, Mg 0.5-2.5wt%, more than Ti 0.01-0.25wt%, Al
Amount.
On the other hand, the present invention provides a kind of preparation method of Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material, including with
Lower step:
(1) ingredient:
Weigh raw material according to the mass percent of each component: Cu 15-25wt%, Ag 15-25wt%, Ge 5-15wt%,
Mg 0.5-5wt%, Ti 0.01-1wt%, Al surplus；
(2) intermediate alloy is prepared:
It prepares Al-Cu intermediate alloy: aluminium ingot being added into the graphite crucible of intermediate frequency furnace, heat up after aluminium ingot fusing,
So that furnace temperature is risen to 800-850 DEG C, oxygen-free copper is pressed into molten aluminum, aluminium, copper mass ratio are 1: (0.9~1.1) is sufficiently stirred, to nothing
After oxygen copper is all melting down, 3-5 minutes are kept the temperature, starts to cast, 750~800 DEG C of alloy casting temperature；
(3) alloy cast:
The Al-Cu intermediate alloy of step (2) preparation and high-purity Ti, high-purity Mg, high-purity Ge, high-purity Ag, high-purity Al are used
Vacuum casting method carries out melting, cast；It is started to warm up after vacuumizing, is refined 5-8 minutes after furnace charge all fusing, pour argon
Gas adjusts the temperature to 680-700 DEG C, stands 2-3 minutes, then carries out cast and obtains alloy cast ingot.
Preparation method as described above, it is preferable that the raw material selection of the step (1):
Aluminium: selecting rafifinal, and purity is more than or equal to 99.995%；Copper: selecting oxygen-free copper, and purity is more than or equal to 99.99%；
Silver: the high purity silver after selecting degassing, purity are more than or equal to 99.99%；Germanium: purity is more than or equal to 99.99%；Magnesium: purity is greater than
Equal to 99.99%；Titanium: purity is more than or equal to 99.99%.
Preparation method as described above, it is preferable that further include following steps after the step (3):
(4) solution treatment:
The ingot casting that cast is obtained carries out solution treatment in the lehr, is heated to 380-400 DEG C of heat preservation 2-3 hours；
(5) hot extrusion:
Ingot casting after solution treatment is directly subjected to hot extrusion, squeezing temperature is 380-400 DEG C, obtained after extruding with a thickness of
The made-up belt of 3-5mm；
(6) deflections such as ausrolling+precision roll:
380-400 DEG C of ausrolling is carried out to made-up belt, made-up belt is rolling to a thickness of 1mm or less；Later on finishing rolling mill
The rolling of the deflections such as multi-pass precision is carried out, pass reduction is less than or equal to 5%, finally obtains with a thickness of 0.10 ± 0.05mm
Foil-shaped brazing material.
Preparation method as described above, it is preferable that step (3) the alloy cast, casting speed 3mm/s, every cast 1
Second interval 5 seconds.
Another aspect, the present invention provide a kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material, are using as above
The method preparation.
In another aspect, the present invention provide above-mentioned Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material 2A50,
Application in the classification vacuum brazing of 3A21,5A05,5A06 aluminium alloy middle temperature brazing and 6063,6061 aluminium alloys.
The beneficial effects of the present invention are:
(1) the present invention provides a kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material, Ag and Ge in solder can make
The solid-liquid phase line temperature of brazing filler metal alloy is substantially reduced.Ge element can improve the wetability of solder simultaneously, reduce solder to base material
Corrode.Mg element in solder can activate membrane removal, and solder is enabled to soak base material well.Trace Ti member is added in solder
Element can refine brazing filler metal alloy grain structure, improve strength of welded joint.The fusion temperature of the solder is low: 460~500 DEG C,
520~530 DEG C are just able to achieve Aluminum Alloy Vacuum Brazing, and brazing manufacturability is good, have good wetability, soldering angle of wetting≤
20 °, the classification suitable for aluminium alloys such as a variety of aluminium alloy middle temperature brazings such as 2A50,3A21,5A05,5A06 and 6063,6061 is true
Sky soldering.
(2) the Ge element in solder can be such that weld metal zone brittle intermetallic thing in solder tissue increases, and reduce solder processing performance.
For the problem of solder plasticity difference, present invention optimizes the preparation method of Al-Cu-Ag-Ge-Mg-Ti solder, by vacuum cast,
The deflections such as solution treatment, hot extrusion, ausrolling+precision rolling etc. techniques combine, can prepare thickness 0.10 ±
0.05mm, width are greater than the foil-shaped brazing material of 100mm.
Detailed description of the invention
Fig. 1 is the differential thermal analysis map for the Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material that the embodiment of the present invention 1 obtains.
Specific embodiment
Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material of the present invention and preparation method thereof will be further described below.
Raw material selection in following embodiment:
Aluminium: selecting rafifinal, and purity is more than or equal to 99.995%；Copper: selecting oxygen-free copper, and purity is more than or equal to 99.99%；
Silver: the high purity silver after selecting degassing, purity are more than or equal to 99.99%；Germanium: purity is more than or equal to 99.99%；Magnesium: purity is greater than
Equal to 99.99%；Titanium: purity is more than or equal to 99.99%.
Embodiment 1 prepares Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material (one)
Step 1 ingredient:
Raw material is weighed according to the mass percent of each component: Cu 15.0wt%, Ag15.0wt%, Ge 5.0wt%, Mg
1.0wt%, Ti 0.01%, Al surplus.
Step 2 prepares intermediate alloy:
It prepares Al-50Cu intermediate alloy: aluminium ingot being added into the graphite crucible of non-vacuum induction furnace, heating is melted to aluminium ingot
Afterwards, so that furnace temperature is risen to 800 DEG C, oxygen-free copper is pressed into molten aluminum, copper, aluminium mass ratio are 1: 1, are sufficiently stirred, all molten to oxygen-free copper
After clear, 5 minutes are kept the temperature, starts to cast into double water-cooling casting iron moulds, is cast into the ingot blank with a thickness of 30mm.Alloy casting temperature is
750℃。
Step 3 alloy cast
Using double vacuum conticasters carry out alloy cast, specific method: by the Al-50Cu intermediate alloy prepared, high-purity Ti,
High-purity Mg, high-purity Ge, high-purity Ag, high-purity Al are put into the crucible of double vacuum conticasters and carry out melting；Mechanical pump is opened after vacuumizing
Begin to heat up, refined 5 minutes after furnace charge all fusing, pour argon gas, adjust the temperature to 680 DEG C, stand 2 minutes, start cast,
Speed 3mm/s, every cast interval 5 seconds 1 second；It after ingot casting is come out of the stove, is truncated each 30~60mm with pressure clamp haircut, until ensuring ingot casting
There is no defect.
Step 4 solution treatment
By carrying out differential thermal analysis test to the ingot casting sampling of cast, determine that solid solution temperature is according to alloy melting point
380-400℃.The ingot blank that cast is obtained carries out solution treatment in the lehr, is heated to 380 DEG C and keeps the temperature 3 hours.
Step 5 hot extrusion
Using 1250 tons of extruders, suitable extrusion die is chosen, the ingot blank after solution treatment is directly subjected to hot extrusion,
Squeezing temperature is 400 DEG C；It is obtained after extruding with a thickness of the made-up belt of 3mm, width 100mm.
The rolling of the deflections such as step 6 ausrolling+precision:
The made-up belt of hot extrusion is subjected to ausrolling, pass reduction 10%, per pass ausrolling in four-roller rolling
Made-up belt is put into annealing furnace afterwards and carries out heating and thermal insulation, 400 DEG C of furnace, keeps the temperature 10 minutes, to improve alloy processing performance,
Continuously repeat carry out ausrolling, when made-up belt be rolling to a thickness of 1mm hereinafter, after on mill carry out multi-pass essence
Close equal deflections rolling, pass reduction are less than or equal to 5%, thickness 0.10mm, width are finally obtained after cutting edge is handled
The foil-shaped brazing material of 100mm.
Foil-shaped brazing material differential thermal analysis curve made from embodiment 1 is shown in Figure of description 1, and wherein Te is the solid phase of brazing filler metal alloy
Line temperature, Tm are the liquidus temperature of brazing filler metal alloy.
Embodiment 2 prepares Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material (two)
Step 1 ingredient:
Raw material is weighed according to the mass percent of each component: Cu 20.0wt%, Ag 20.0wt%, Ge 10.0wt%, Mg
2.5wt%, Ti 0.25wt%, Al surplus.
Step 2 prepares intermediate alloy:
It prepares Al-50Cu intermediate alloy: aluminium ingot being added into the graphite crucible of non-vacuum induction furnace, heating is melted to aluminium ingot
Afterwards, so that furnace temperature is risen to 820 DEG C, oxygen-free copper is pressed into molten aluminum, copper, aluminium mass ratio are 1: 1, are sufficiently stirred, all molten to oxygen-free copper
After clear, 5 minutes are kept the temperature, starts to cast into double water-cooling casting iron moulds, is cast into the ingot blank with a thickness of 30mm.Alloy casting temperature is
780℃。
Step 3 alloy cast
Using double vacuum conticasters carry out alloy cast, specific method: by the Al-50Cu intermediate alloy prepared, high-purity Ti,
High-purity Mg, high-purity Ge, high-purity Ag, high-purity Al are put into the crucible of double vacuum conticasters and carry out melting；Mechanical pump is opened after vacuumizing
Begin to heat up, refined 5 minutes after furnace charge all fusing, pour argon gas, adjust the temperature to 680 DEG C, stand 2 minutes, start cast,
Speed 3mm/s, every cast interval 5 seconds 1 second；It after ingot casting is come out of the stove, is truncated each 30~60mm with pressure clamp haircut, until ensuring ingot casting
There is no defect.
Step 4 solution treatment
By carrying out differential thermal analysis test to the ingot casting sampling of cast, determine that solid solution temperature is according to alloy melting point
380-400℃.The ingot blank that cast is obtained carries out solution treatment in the lehr, is heated to 390 DEG C and keeps the temperature 2.5 hours.
Step 5 hot extrusion
Using 1250 tons of extruders, suitable extrusion die is chosen, the ingot blank after solution treatment is directly subjected to hot extrusion,
Squeezing temperature is 400 DEG C；It is obtained after extruding with a thickness of the made-up belt of 5mm, width 80mm.
The rolling of the deflections such as step 6 ausrolling+precision:
The made-up belt of hot extrusion is subjected to ausrolling, pass reduction 8%, after per pass ausrolling in four-roller rolling
Made-up belt is put into annealing furnace and carries out heating and thermal insulation, 400 DEG C of furnace, keeps the temperature 10 minutes, to improve alloy processing performance, even
It is continuous to repeat ausrolling, when made-up belt be rolling to a thickness of 1mm hereinafter, after to carry out on mill multi-pass accurate
Equal deflections rolling, pass reduction are less than or equal to 5%, thickness 0.10mm, width 100mm are finally obtained after cutting edge is handled
Foil-shaped brazing material.
Embodiment 3 prepares Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material (three)
Step 1 ingredient:
Raw material is weighed according to the mass percent of each component: Cu 25wt%, Ag25wt%, Ge 15wt%, Mg 5wt%,
Ti 0.5wt%, Al surplus.
Step 2 prepares intermediate alloy:
It prepares Al-50Cu intermediate alloy: aluminium ingot being added into the graphite crucible of non-vacuum induction furnace, heating is melted to aluminium ingot
Afterwards, so that furnace temperature is risen to 850 DEG C, oxygen-free copper is pressed into molten aluminum, copper, aluminium mass ratio are 1: 1, are sufficiently stirred, all molten to oxygen-free copper
After clear, 5 minutes are kept the temperature, starts to cast into double water-cooling casting iron moulds, is cast into the ingot blank with a thickness of 30mm.Alloy casting temperature is
800℃。
Step 3 alloy cast
Using double vacuum conticasters carry out alloy cast, specific method: by the Al-50Cu intermediate alloy prepared, high-purity Ti,
High-purity Mg, high-purity Ge, high-purity Ag, high-purity Al are put into the crucible of double vacuum conticasters and carry out melting；Mechanical pump is opened after vacuumizing
Begin to heat up, refined 5 minutes after furnace charge all fusing, pour argon gas, adjust the temperature to 700 DEG C, stand 3 minutes, start cast,
Speed 3mm/s, every cast interval 5 seconds 1 second；It after ingot casting is come out of the stove, is truncated each 30~60mm with pressure clamp haircut, until ensuring ingot casting
There is no defect.
Step 4 solution treatment
By carrying out differential thermal analysis test to the ingot casting sampling of cast, determine that solid solution temperature is according to alloy melting point
380-400℃.The ingot blank that cast is obtained carries out solution treatment in the lehr, is heated to 400 DEG C and keeps the temperature 2 hours.
Step 5 hot extrusion
Using 1250 tons of extruders, suitable extrusion die is chosen, the ingot blank after solution treatment is directly subjected to hot extrusion,
Squeezing temperature is 400 DEG C；It is obtained after extruding with a thickness of the made-up belt of 4mm, width 100mm.
The rolling of the deflections such as step 6 ausrolling+precision:
The made-up belt of hot extrusion is subjected to ausrolling, pass reduction 8%, after per pass ausrolling in four-roller rolling
Made-up belt is put into annealing furnace and carries out heating and thermal insulation, 400 DEG C of furnace, keeps the temperature 10 minutes, to improve alloy processing performance, even
It is continuous to repeat ausrolling, when made-up belt be rolling to a thickness of 1mm hereinafter, after to carry out on mill multi-pass accurate
Equal deflections rolling, pass reduction are less than or equal to 5%, thickness 0.10mm, width 100mm are finally obtained after cutting edge is handled
Foil-shaped brazing material.
Embodiment 4 prepares Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material (four)
Step 1 ingredient:
Raw material is weighed according to the mass percent of each component: Cu 19.0wt%, Ag 18wt%, Ge 11.0wt%, Mg
1.5wt%, Ti 0.05wt%, Al surplus.
Step 2 prepares intermediate alloy:
It prepares aluminum bronze intermediate alloy: aluminium ingot being added into the graphite crucible of non-vacuum induction furnace, heat up after aluminium ingot fusing,
So that furnace temperature is risen to 820 DEG C, oxygen-free copper is pressed into molten aluminum, copper, aluminium mass ratio are 1: 1, are sufficiently stirred, all melting down to oxygen-free copper
Afterwards, 5 minutes are kept the temperature, starts to cast into double water-cooling casting iron moulds, is cast into the ingot blank with a thickness of 30mm.Alloy casting temperature is
780℃。
Step 3 alloy cast
Using double vacuum conticasters carry out alloy cast, specific method: by the Al-50Cu intermediate alloy prepared, high-purity Ti,
High-purity Mg, high-purity Ge, high-purity Ag, high-purity Al are put into the crucible of double vacuum conticasters and carry out melting；Mechanical pump is opened after vacuumizing
Begin to heat up, refined 5 minutes after furnace charge all fusing, pour argon gas, adjust the temperature to 680 DEG C, stand 2 minutes, start cast,
Speed 3mm/s, every cast interval 5 seconds 1 second；It after ingot casting is come out of the stove, is truncated each 30~60mm with pressure clamp haircut, until ensuring ingot casting
There is no defect.
Step 4 solution treatment
By carrying out differential thermal analysis test to the ingot casting sampling of cast, determine that solid solution temperature is according to alloy melting point
380-400℃.The ingot blank that cast is obtained carries out solution treatment in the lehr, is heated to 380 DEG C and keeps the temperature 2 hours.
Step 5 hot extrusion
Using 1250 tons of extruders, suitable extrusion die is chosen, the ingot blank after solution treatment is directly subjected to hot extrusion,
Squeezing temperature is 400 DEG C；It is obtained after extruding with a thickness of the made-up belt of 3mm, width 100mm.
The rolling of the deflections such as step 6 ausrolling+precision:
The made-up belt of hot extrusion is subjected to ausrolling, pass reduction 8%, after per pass ausrolling in four-roller rolling
Made-up belt is put into annealing furnace and carries out heating and thermal insulation, 400 DEG C of furnace, keeps the temperature 10 minutes, to improve alloy processing performance, even
It is continuous to repeat ausrolling, when made-up belt be rolling to a thickness of 1mm hereinafter, after to carry out on mill multi-pass accurate
Equal deflections rolling, pass reduction are less than or equal to 5%, thickness 0.10mm, width 100mm are finally obtained after cutting edge is handled
Foil-shaped brazing material.
5 performance test of embodiment
Foil-shaped brazing material prepared by embodiment 1, embodiment 2, embodiment 3, embodiment 4 is used for differential thermal test respectively and aluminium closes
Golden vacuum brazing test, obtains test data and is shown in Table 1.
Table 1
Al-Cu-Ag-Ge-Mg-Ti aluminium base vacuum brazing material of the present invention and preparation method thereof is only enumerated in above-described embodiment
Section Example, in the technical solution of aforementioned present invention: copper in the alloy compositions, silver, germanium, magnesium, titanium content advising
Determine in range can unrestricted choice, will not enumerate herein, thus it is above to illustrate that included technical solution should be regarded as illustrative,
Rather than the protection scope to limit the present patent application patent.
Claims (7)
1. a kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material, which is characterized in that the solder at being grouped as are as follows: Cu
18-22wt%, Ag 15-20wt%, Ge 8-12wt%, Mg 0.5-2.5wt%, Ti 0.01-0.25wt%, Al surplus.
2. a kind of preparation method of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material, which is characterized in that including following step
It is rapid:
(1) ingredient:
Raw material is weighed according to the mass percent of each component: Cu 18-22wt%, Ag 15-20wt%, Ge 8-12wt%, Mg
0.5-2.5wt%, Ti 0.01-0.25wt%, Al surplus；
(2) intermediate alloy is prepared:
It prepares Al-Cu intermediate alloy: aluminium ingot being added into the graphite crucible of intermediate frequency furnace, heating makes furnace after aluminium ingot fusing
Temperature rise is pressed into molten aluminum to 800-850 DEG C, by oxygen-free copper, and aluminium, copper mass ratio are 1: (0.9~1.1) is sufficiently stirred, to oxygen-free copper
After whole is melting down, 3-5 minutes are kept the temperature, starts to cast, 750~800 DEG C of alloy casting temperature；
(3) alloy cast:
The Al-Cu intermediate alloy of step (2) preparation and high-purity Ti, high-purity Mg, high-purity Ge, high-purity Ag, high-purity Al are used into vacuum
Casting method carries out melting, cast；It is started to warm up after vacuumizing, is refined 5-8 minutes after furnace charge all fusing, pour argon gas,
680-700 DEG C is adjusted the temperature to, stands 2-3 minutes, cast is then carried out and obtains alloy cast ingot.
3. preparation method according to claim 2, it is characterised in that: the raw material selection of the step (1):
Aluminium: selecting rafifinal, and purity is more than or equal to 99.995%；Copper: selecting oxygen-free copper, and purity is more than or equal to 99.99%；Silver:
High purity silver after selecting degassing, purity are more than or equal to 99.99%；Germanium: purity is more than or equal to 99.99%；Magnesium: purity is more than or equal to
99.99%；Titanium: purity is more than or equal to 99.99%.
4. preparation method according to claim 2 or 3, it is characterised in that: further include walking as follows after the step (3)
It is rapid:
(4) solution treatment:
The ingot casting that cast is obtained carries out solution treatment in the lehr, is heated to 380-400 DEG C of heat preservation 2-3 hours；
(5) hot extrusion:
Ingot casting after solution treatment is directly subjected to hot extrusion, squeezing temperature is 380-400 DEG C, is obtained after extruding with a thickness of 3-
The made-up belt of 5mm；
(6) deflections such as ausrolling+precision roll:
380-400 DEG C of ausrolling is carried out to made-up belt, made-up belt is rolling to a thickness of 1mm or less；It is carried out on finishing rolling mill later
The rolling of the deflections such as multi-pass precision, pass reduction are less than or equal to 5%, finally obtain the foil with a thickness of 0.10 ± 0.05mm
Shape solder.
5. the preparation method according to claim 4, it is characterised in that: step (3) the alloy cast, casting speed are
3mm/s, every cast interval 5 seconds 1 second.
6. a kind of Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material, which is characterized in that it is using in claim 2-5
The preparation of any one the method.
7. Al-Cu-Ag-Ge-Mg-Ti aluminium base medium temperature vacuum brazing material described in claim 1 or 6 2A50,3A21,5A05,
Application in the classification vacuum brazing of 5A06 aluminium alloy middle temperature brazing and 6063,6061 aluminium alloys.
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| JPH07223090A (en) * | 1994-02-15 | 1995-08-22 | Nhk Spring Co Ltd | Brazing filler metal for joining aluminum alloy with copper, and composite material joined thereby |
| CN104191102A (en) * | 2014-08-15 | 2014-12-10 | 郑州机械研究所 | Low-brittleness medium-temperature aluminum alloy brazing material and preparation process thereof |
| CN105364335A (en) * | 2015-12-15 | 2016-03-02 | 北京有色金属与稀土应用研究所 | Al-Ag-Cu-Mg aluminium base alloy-state brazing filler metal and preparation method thereof |
Family Cites Families (5)
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|---|---|---|---|---|
| GB2270086A (en) * | 1992-08-28 | 1994-03-02 | Marconi Gec Ltd | Aluminium base alloys |
| CN101602151A (en) * | 2009-07-03 | 2009-12-16 | 北京工业大学 | Warm aluminium alloy brazing filler metal in a kind of |
| CN102303201B (en) * | 2011-08-19 | 2013-08-21 | 北京工业大学 | Preparation method of intermediate-temperature aluminum-based aluminum alloy solder paste |
| CN102862002B (en) * | 2012-05-31 | 2015-06-17 | 北京科技大学 | Al-Si-Zn-Ge low-melting-point aluminum-based brazing filler metal and preparation method thereof |
| CN104646850A (en) * | 2015-01-09 | 2015-05-27 | 西安交通大学 | Al-Cu-Mg-Ti quaternary active solder for high-volume-fraction cast aluminum-based composite material, and preparation method for Al-Cu-Mg-Ti quaternary active solder |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223090A (en) * | 1994-02-15 | 1995-08-22 | Nhk Spring Co Ltd | Brazing filler metal for joining aluminum alloy with copper, and composite material joined thereby |
| CN104191102A (en) * | 2014-08-15 | 2014-12-10 | 郑州机械研究所 | Low-brittleness medium-temperature aluminum alloy brazing material and preparation process thereof |
| CN105364335A (en) * | 2015-12-15 | 2016-03-02 | 北京有色金属与稀土应用研究所 | Al-Ag-Cu-Mg aluminium base alloy-state brazing filler metal and preparation method thereof |
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