CN109773365A - Nano-particle reinforcement aluminum foil material and preparation method thereof - Google Patents
Nano-particle reinforcement aluminum foil material and preparation method thereof Download PDFInfo
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- CN109773365A CN109773365A CN201711106185.4A CN201711106185A CN109773365A CN 109773365 A CN109773365 A CN 109773365A CN 201711106185 A CN201711106185 A CN 201711106185A CN 109773365 A CN109773365 A CN 109773365A
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Abstract
The present invention provides a kind of nano-particle reinforcement aluminum foil material, its structural constituent includes metal phase and average particle size particle size is the Al of the nm of 10nm~352O3Particle, the Al2O3Particle accounts for the 1.0%~12% of the nano-particle reinforcement aluminum foil material gross mass；The metal phase is made of the element of following mass percent: Cu 17%~23%, Ag 1.1%~1.4%, V 0.4%~0.5%, Ti 1.6%~1.8%, remaining is Al.The present invention also provides a kind of methods for preparing nano-particle reinforcement aluminum foil material.The nano-particle reinforcement aluminum foil material can improve wetability and bond strength between brazing layer and alloy matrix aluminum.
Description
Technical field
The present invention relates to technical field of soldering materials, specifically, relate to a kind of nano-particle reinforcement aluminum foil material and
Preparation method.
Background technique
Aluminium alloy is very widely used in industrial production and social life, due to specific gravity is small, conductive, thermal conductivity is good,
Castability, revival and machining are excellent, and important function of the aluminium alloy in modern industry material is irreplaceable.Using 3 systems, 6
Series high strength aluminium alloy manufactures all-aluminium construction components to substitute copper structure member, has become the manufacturing development in the whole world
Direction, but the welding problem of al member is also more and more.It is not only due to aluminium surface easily forms fine and close oxidation film, influence
The mobility of solder when soldering, while also as easily scaling loss when aluminium alloy brazing, causes soldered fitting tensile strength inadequate.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
By in consideration of it, the present invention it is necessory to provide a kind of nano-particle reinforcement aluminum foil material and preparation method thereof.
The technical scheme adopted by the invention is that: a kind of nano-particle reinforcement aluminum foil material, its structural constituent include gold
The Al that symbolic animal of the birth year and average particle size particle size are the nm of 10nm~352O3Particle, the Al2O3Particle accounts for the nano-particle reinforcement aluminium foil
The 1.0%~12% of material gross mass；The metal phase is made of the element of following mass percent: Cu 17%~23%, Ag
1.1%~1.4%, V 0.4%~0.5%, Ti 1.6%~1.8%, remaining is Al.
Based on above-mentioned, the metal phase is made of the element of following mass percent: Cu 20%, Ag 1.1%, V 0.4%,
Ti 1.8%, remaining is Al.
The present invention also provides a kind of method for preparing the nano-particle reinforcement aluminum foil material, step includes:
(1) raw material Cu powder, Ag powder, V powder, Ti powder, Al are weighed according to the element that the metal phase contains mass percent
The equal particle size of powder peace is the Al of the nm of 10nm~352O3Particle；
(2) the weighed Cu powder, the Ag powder, the V powder, the Ti powder and the Al powder are placed in intermediate frequency vacuum smelting
It is melted under protection of argon gas in furnace crucible, obtains molten mass wait be completely melt, using aerosol water cooling powder by atomization technique
Powder by atomization is carried out to the molten mass, obtains alloy powder；Then average particle size particle size is added into the alloy powder is
The Al of the nm of 10 nm~352O3Particle simultaneously carries out ball milling mixing 10min~35min under vacuum conditions, and nano-particle reinforcement is made
Alloy powder；Wherein, the atomizing pressure in the aerosol water cooling powder by atomization technique is 0.7MPa~1.2MPa, and atomizer is straight
Diameter is 10mm~27mm；
(3) the nano-particle reinforcement alloy powder is fabricated to by nano-particle reinforcement aluminum foil material using melt spinning method method.
Based on above-mentioned, the step (3) includes: that the nano-particle reinforcement alloy powder is placed in flat mouth quartz ampoule first
In, and quartz ampoule is placed in liquid and is quenched and solidified in the induction coil of device；Then vacuumize process makes the liquid chilling
The vacuum degree of the vacuum chamber of coagulation system is 8 × 10-2Pa~2 × 10-1Pa, is passed through argon gas and adjusts the liquid and be quenched and solidified
Copper wheel revolving speed and injection pressure in device are 0.02MPa~0.05MPa, and the nanometer is heated by the way of induction heating
Grain enhancing alloy powder utilizes the pressure of argon gas after the metal phase in the nano-particle reinforcement alloy powder is completely melt
It is injected on the copper wheel of rotation, obtains with a thickness of the nano-particle reinforcement aluminum foil material of 50 μm~95 μ m-thicks.
It should be noted that carrying out powder by atomization to the molten mass using aerosol water cooling powder by atomization technique obtains alloy
During micro mist, used fuel pulverizing plant is the general equipment of the powder processed, including bucket, cold take tower, nozzle mold, pours
Cup, tundish, pressure piping and argon bottle；The bucket with it is described it is cold take tower be connected to and it is internal fill water, it is described
Argon bottle is connected by the pressure piping with the nozzle mold, and the nozzle mold includes upper mold and lower mold, institute
State the atomizer for offering that diameter is 10mm~27mm in the middle part of upper mold and the lower mold, the sprue cup be located at institute
The atomizer for stating top mold surface is connected, and is additionally provided with high pressure gas circulation groove on the lower mold, the high-pressure gas flow
Through slot is connected with the atomizer for being located at the bottom mold surface.
The nano-particle reinforcement alloy powder is fabricated to by nano-particle reinforcement aluminum foil material using melt spinning method method
In the process, used fuel pulverizing plant is that the general high vacuum single roller of melt spinning method method revolves quenching equipment, including high vacuum system, water
Cold rotation roller system and induction system and control and kinematic system composition, main component include for melting induction coil,
Flat mouth quartz ampoule；For providing the vacuum chamber of high vacuum；Copper wheel and argon nozzle etc. for rotating drawstring.
The effect of each element is as follows in nano-particle reinforcement aluminum foil material provided by the invention:
Refinement crystal grain element V can optimize the form and distribution of Al-Ti eutectic in solder, while also refine the ɑ-Al in solder
Solid solution, so that the al-si eutectic of bulk cluster-shaped is uniformly distributed between ɑ-Al solid solution in brazed seam, the shape at soldering interface
At apparent transition zone, the tensile strength of soldered fitting is improved.Average particle size particle size is the Al of the nm of 10nm~352O3Particle energy
More nucleation points are provided for solid solution, and then improve the tensile strength of soldered fitting.Therefore, nanometer provided by the present invention
Grain enhancing aluminum foil material, by preparing a kind of nanometer of Al first2O3Particle enhancing and rare earth doped aluminium foil, utilize nanometer
The pinning of particle and the effect for providing nucleation point improve the tensile strength of soldered fitting, and brazing layer thickness is controllable.Test card
It is bright, the room temperature of the soldered fitting with a thickness of 2.0mm~4.0mm is brazed using nano-particle reinforcement aluminum foil material provided by the invention
Tensile strength is up to the MPa of 330 MPa~407.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
Embodiment 1
A kind of nano-particle reinforcement aluminum foil material is present embodiments provided, its structural constituent includes metal phase and average grain ruler
The very little Al for 35nm2O3Particle, the Al2O3Particle accounts for the 12% of the nano-particle reinforcement aluminum foil material gross mass；The gold
Symbolic animal of the birth year is made of the element of following mass percent: Cu 20%, Ag 1.1%, V 0.4%, Ti 1.8%, remaining is Al.
The present invention also provides a kind of method for preparing the nano-particle reinforcement aluminum foil material, step includes:
(1) raw material Cu powder, Ag powder, V powder, Ti powder, Al powder are weighed according to the element of the mass percent of the metal phase
The Al for being the nm of 10nm~35 with average particle size particle size2O3Particle；
(2) the weighed Cu powder, the Ag powder, the V powder, the Ti powder and the Al powder are placed in intermediate frequency vacuum smelting
It is melted under protection of argon gas in furnace crucible, obtains molten mass wait be completely melt, using aerosol water cooling powder by atomization technique
Powder by atomization is carried out to the molten mass, obtains alloy powder；Then average particle size particle size is added into the alloy powder is
The Al of 35 nm2O3Particle simultaneously carries out ball milling mixing 35min under vacuum conditions, and nano-particle reinforcement alloy powder is made；Wherein,
Atomizing pressure in the aerosol water cooling powder by atomization technique is 1.2MPa, and atomizer diameter is 10mm；
(3) the nano-particle reinforcement alloy powder is placed in flat mouth quartz ampoule first, and quartz ampoule is placed in liquid chilling
In the induction coil of coagulation system；Then the vacuum degree for the vacuum chamber that vacuumize process makes the liquid be quenched and solidified device is
8×10-2Pa, being passed through argon gas and adjusting the liquid and be quenched and solidified the copper wheel revolving speed of device and spray pressure is 0.02MPa, is used
The mode of induction heating heats the nano-particle reinforcement alloy powder, to the metal in the nano-particle reinforcement alloy powder
It after being mutually completely melt, is injected on the copper wheel of rotation, is obtained with a thickness of the nano particle of 95 μ m-thicks using the pressure of argon gas
Enhance aluminum foil material.
Soldered fitting performance test: use nano-particle reinforcement aluminum foil material provided in this embodiment by two sections of aluminium alloy marks
Quasi- tensile sample is brazed into tensile sample in a vacuum furnace, and the combination of brazing layer and alloy matrix aluminum is evaluated by tensile strength
Performance.After tested, using nano-particle reinforcement aluminum foil material provided in this embodiment prepared on titanium alloy substrate with a thickness of
The tensile strength of the soldered fitting of 2.5mm at normal temperature can reach 407MPa.
Embodiment 2
The present embodiment provides a kind of nano-particle reinforcement aluminum foil material, specific ingredient and nano-particle reinforcement described in embodiment 1
Aluminum foil material ingredient is roughly the same, the difference is that:
In the present embodiment, the structural constituent of the nano-particle reinforcement aluminum foil material includes metal phase and average particle size particle size is
The Al of 10nm2O3Particle, the Al2O3Particle accounts for the 1.5% of the nano-particle reinforcement aluminum foil material gross mass；
The metal phase is made of the element of following mass percent: Cu 17%, Ag 1.4%, V 0.5%, Ti 1.6%, remaining is
Al。
The present embodiment also provides a kind of method for preparing the nano-particle reinforcement aluminum foil material, specific steps and embodiment
Step in 1 is identical.
Using performance test methods same as Example 1, it can be deduced that increased using nano particle provided in this embodiment
The tensile strength of the soldered fitting with a thickness of 2.0mm that strong aluminum foil material is prepared on titanium alloy substrate at normal temperature can reach
330MPa。
Embodiment 3
The present embodiment provides a kind of nano-particle reinforcement aluminum foil material, specific ingredient and nano-particle reinforcement described in embodiment 1
Aluminum foil material ingredient is roughly the same, the difference is that:
In the present embodiment, the structural constituent of the nano-particle reinforcement aluminum foil material includes metal phase and average particle size particle size is
The Al of 27nm2O3Particle, the Al2O3Particle accounts for the 5% of the nano-particle reinforcement aluminum foil material gross mass；
The metal phase is made of the element of following mass percent: Cu 23%, Ag 1.2%, V 0.5%, Ti 1.8%, remaining is
Al。
The present embodiment also provides a kind of method for preparing the nano-particle reinforcement aluminum foil material, specific steps and embodiment
Step in 1 is identical.
Using performance test methods same as Example 1, it can be deduced that increased using nano particle provided in this embodiment
The tensile strength of the soldered fitting with a thickness of 2.2mm that strong aluminum foil material is prepared on titanium alloy substrate at normal temperature can reach
370MPa。
Embodiment 4
The present embodiment provides a kind of nano-particle reinforcement aluminum foil material, specific ingredient and nano-particle reinforcement described in embodiment 1
Aluminum foil material ingredient is roughly the same, the difference is that:
In the present embodiment, the structural constituent of the nano-particle reinforcement aluminum foil material includes metal phase and average particle size particle size is
The Al of 35nm2O3Particle, the Al2O3Particle accounts for the 6% of the nano-particle reinforcement aluminum foil material gross mass；
The metal phase is made of the element of following mass percent: Cu 23%, Ag 1.3%, V 0.5%, Ti 1.7%, remaining is
Al。
The present embodiment also provides a kind of method for preparing the nano-particle reinforcement aluminum foil material, specific steps and embodiment
Step in 1 is identical.
Using performance test methods same as Example 1, it can be deduced that increased using nano particle provided in this embodiment
The tensile strength of the soldered fitting with a thickness of 4.0mm that strong aluminum foil material is prepared on titanium alloy substrate at normal temperature can reach
379MPa。
Embodiment 5
The present embodiment provides a kind of nano-particle reinforcement aluminum foil material, specific ingredient and nano-particle reinforcement described in embodiment 1
Aluminum foil material ingredient is roughly the same, the difference is that:
In the present embodiment, the structural constituent of the nano-particle reinforcement aluminum foil material includes metal phase and average particle size particle size is
The Al of 30nm2O3Particle, the Al2O3Particle accounts for the 5.8% of the nano-particle reinforcement aluminum foil material gross mass；
The metal phase is made of the element of following mass percent: Cu 18.8%, Ag 1.35%, V 0.5%, Ti 1.69%,
Remaining is Al.
The present embodiment also provides a kind of method for preparing the nano-particle reinforcement aluminum foil material, specific steps and embodiment
Step in 1 is identical.
Using performance test methods same as Example 1, it can be deduced that increased using nano particle provided in this embodiment
The tensile strength of the soldered fitting with a thickness of 2.8mm that strong aluminum foil material is prepared on titanium alloy substrate at normal temperature can reach
395MPa。
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (4)
1. a kind of nano-particle reinforcement aluminum foil material, which is characterized in that its structural constituent includes metal phase and average grain ruler
The very little Al for the nm of 10nm~352O3Particle, the Al2O3Particle accounts for the 1.0% of the nano-particle reinforcement aluminum foil material gross mass
~12%；The metal phase is made of the element of following mass percent: Cu 17%~23%, Ag 1.1%~1.4%, V 0.4%~
0.5%, Ti 1.6%~1.8%, remaining is Al.
2. nano-particle reinforcement aluminum foil material according to claim 1, which is characterized in that the metal phase is by following quality
The element of percentage forms: Cu 20%, Ag 1.1%, V 0.4%, Ti 1.8%, remaining is Al.
3. a kind of method for preparing nano-particle reinforcement aluminum foil material of any of claims 1 or 2, step include:
(1) element that metal phase according to claim 1 or 2 contains mass percent weighs raw material Cu powder, Ag powder, V
Powder, Ti powder, the Al that the equal particle size of Al powder peace is the nm of 10nm~352O3Particle；
(2) the weighed Cu powder, the Ag powder, the V powder, the Ti powder and the Al powder are placed in intermediate frequency vacuum smelting
It is melted under protection of argon gas in furnace crucible, obtains molten mass wait be completely melt, using aerosol water cooling powder by atomization technique
Powder by atomization is carried out to the molten mass, obtains alloy powder；Then average particle size particle size is added into the alloy powder is
The Al of the nm of 10 nm~352O3Particle simultaneously carries out ball milling mixing 10min~35min under vacuum conditions, and nano-particle reinforcement is made
Alloy powder；Wherein, the atomizing pressure in the aerosol water cooling powder by atomization technique is 0.7MPa~1.2MPa, and atomizer is straight
Diameter is 10mm~27mm；
(3) the nano-particle reinforcement alloy powder is fabricated to by nano-particle reinforcement aluminum foil material using melt spinning method method.
4. the method according to claim 3 for preparing the nano-particle reinforcement aluminum foil material, which is characterized in that the step
Suddenly (3) include the nano-particle reinforcement alloy powder being placed in flat mouth quartz ampoule first, and quartz ampoule is placed in liquid urgency
In the induction coil of cooling solidification device；Then vacuumize process make the liquid be quenched and solidified device vacuum chamber vacuum degree
It is 8 × 10-2Pa~2 × 10-1Pa is passed through argon gas and adjusts copper wheel revolving speed and jet pressure that the liquid is quenched and solidified in device
Power is 0.02MPa~0.05MPa, and the nano-particle reinforcement alloy powder is heated by the way of induction heating, is received to described
After metal phase in rice grain enhancing alloy powder is completely melt, it is injected on the copper wheel of rotation using the pressure of argon gas,
It obtains with a thickness of the nano-particle reinforcement aluminum foil material of 50 μm~95 μ m-thicks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711106185.4A CN109773365A (en) | 2017-11-10 | 2017-11-10 | Nano-particle reinforcement aluminum foil material and preparation method thereof |
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| CN201711106185.4A CN109773365A (en) | 2017-11-10 | 2017-11-10 | Nano-particle reinforcement aluminum foil material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700649A (en) * | 2022-03-29 | 2022-07-05 | 郑州大学 | Zinc-aluminum brazing filler metal with strong conductivity and high strength for copper-aluminum brazing connection brazing seam |
-
2017
- 2017-11-10 CN CN201711106185.4A patent/CN109773365A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700649A (en) * | 2022-03-29 | 2022-07-05 | 郑州大学 | Zinc-aluminum brazing filler metal with strong conductivity and high strength for copper-aluminum brazing connection brazing seam |
| CN114700649B (en) * | 2022-03-29 | 2023-01-13 | 郑州大学 | Zinc-aluminum brazing filler metal with strong conductivity and high strength for copper-aluminum brazing connection brazing seam |
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