CN109536784A - A kind of lower water chamber - Google Patents
A kind of lower water chamber Download PDFInfo
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- CN109536784A CN109536784A CN201811433896.7A CN201811433896A CN109536784A CN 109536784 A CN109536784 A CN 109536784A CN 201811433896 A CN201811433896 A CN 201811433896A CN 109536784 A CN109536784 A CN 109536784A
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- Prior art keywords
- aluminium alloy
- water chamber
- lower water
- cage modle
- alloy
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 91
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims abstract description 56
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 9
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims description 41
- 229910045601 alloy Inorganic materials 0.000 claims description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 229910002804 graphite Inorganic materials 0.000 claims description 29
- 239000010439 graphite Substances 0.000 claims description 29
- 239000011889 copper foil Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 13
- 239000011261 inert gas Substances 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000007873 sieving Methods 0.000 claims description 11
- 230000005587 bubbling Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 241001417490 Sillaginidae Species 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000001307 helium Substances 0.000 claims description 7
- 229910052734 helium Inorganic materials 0.000 claims description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052754 neon Inorganic materials 0.000 claims description 5
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- -1 siloxanes Chemical class 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 8
- 229910000846 In alloy Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010583 slow cooling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 239000008246 gaseous mixture Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention belongs to technical field of metal material, more particularly to a kind of lower water chamber, lower water chamber is made of aluminium alloy, and the aluminium alloy is made of the raw material of following mass percent: cage modle polysilsesquioxane: 0.5-2.5%, Sr:0.02-0.1%, Zr:0.15-0.25%, Mn:0.04-0.1%, Zn:0.07-0.14%, surplus are Al and impurity.And prepared by processing steps such as smelting, airflow stirring, curing molding, finished products, the product finally obtained has preferable intensity, hardness, elongation and corrosion resistance, is suitable for complicated use environment.
Description
Technical field
The present invention relates to a kind of lower water chambers, belong to metal material field.
Background technique
Automobile water chamber is the important component of automobile radiators, and automobile water chamber is generally located on the top of radiator under
Portion, effect and are conveyed radiator cooling water after cooling again for buffer the cooling water in inflow radiator core body
Guarantee the heat dissipation effect of engine to engine.
Automobile water chamber generally can simply divide into upper and lower two water chambers, and effect is relatively simple, be mainly used for storing up
Cooling water and auxiliary heat dissipation are deposited, but indispensable.
It can be seen that the transition synergism that lower water chamber plays the role of in radiator still have it is biggish.And it is lauched
The shape of room determined in the preparation, can not from the service life for optimizing to extend lower water chamber in shape, so I
Be dedicated to lower water chamber material optimization, fundamentally extend lower water chamber Acceptable life.Aluminium alloy has preferable property
Energy.
Aluminium alloy refers to based on aluminium, and the addition element such as a certain amount of metal/non-metal are added and control impurity element
Content and the alloy system formed.Aluminium alloy has both high-intensitive, high hardness and corrosion resistance and light-weight advantage, is suitable as tying
Structure material.But the material composition and smelting process of traditional aluminium alloy can not preferably promote alloy property.
It is low for conventional alloys hardness, it is not wear-resisting the disadvantages of, publication number 102121414A discloses a kind of all aluminium alloy
Heavy truck water tank, by using aluminium alloy come substituted for plastic, and by structure change water tank is made, to improve water tank
Service life, reduce plastics manufacture to the pollution of environment, reduce user maintenance use cost.However, this simple material is replaced
It changes and is easy to generate defect in preparation process, and can not fundamentally change the performance of water chamber, it is even more impossible to cope with complicated use
Environment.
Summary of the invention
In view of the above problems, the present invention provides higher intensity, high hardness and corrosion resistance is adapted to complex environment
Lower water chamber.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of lower water chamber, the lower water chamber are made of aluminium alloy, the aluminium alloy by following mass percent original
Material composition: cage modle polysilsesquioxane: 0.5-2.5%, Sr:0.02-0.1%, Zr:0.15-0.25%, Mn:0.04-0.1%,
Zn:0.07-0.14%, surplus are Al and impurity.
Preferably, the cage modle polysilsesquioxane is in granular form, partial size 0.5-1.5mm.
Further preferably, each particles coat of the cage modle polysilsesquioxane has copper foil, and cladding form is half packet
It covers or coats entirely.
Further preferably, the copper foil with a thickness of 6-10 μm, the volume ratio of cage modle polysilsesquioxane and copper foil is 20-
30:1。
The present invention is special to joined cage modle polysilsesquioxane in aluminum alloy material, and fundamental nature belongs to inorganic grain
Son, but since element silicon has extensibility wherein, there is metallicity again simultaneously, during the test, discovery can be very well
Involvement aluminium alloy in, as enhancing component.During developing aluminium alloy, it has been found that the different elements in aluminium alloy exist
While being mixed to form component, there can be different degrees of whisker growth phenomenon, and excessive growth can influence in varying degrees
The performance of alloy generates micro-crack after be easy to causeing alloy to form, reduces the service life of the product of alloy production, meanwhile, it is also unfavorable
In crystal grain refinement, alloy attribute (such as intensity, hardness, resistance) is caused to decline.The power of whisker growth largely comes from
Micro amount of oxygen generates oxide to the oxidation of part addition element in alloy, and then causes volume expansion, to other phases of surrounding
Stress is generated, and cage modle polysilsesquioxane can greatly alleviate the oxidation course of addition element, inhibit addition element
Oxide generates, to slow down whisker growth.And be defined the partial size of cage modle polysilsesquioxane, it is to preferably melt
Enter in alloy compositions, avoid the excessive generation layering of partial size (fusion is insufficient).
Meanwhile cage modle polysilsesquioxane can promote Sr, Zr element to the modification effect of alloy, Alloy At Room Temperature tensile strength
It is higher by 25% or more than not rotten premise, and Sr element is easier to be enriched in alloy surface, further enhances the corrosion resisting property of alloy, this
The corrosion strength that the cooling water under different temperatures difference generates can be coped with by allowing for lower water chamber.
In view of the inorganic particulate of cage modle polysilsesquioxane is slightly above its metallicity, copper foil packet has been carried out in its outer layer
Processing is covered, also defines the thickness and dosage of copper foil, the copper foil of lesser thickness and lower content can fully ensure that cage modle is poly-
Silsesquioxane and alloy combination degree.Meanwhile micro copper can also enhance the comprehensive performance of alloy.
The present invention additionally provides another technical solution while reasonable selection material mixture ratio:
A kind of preparation method of lower water chamber, includes the following steps:
(1) it smelts: being weighed by above-mentioned raw materials, by all raw material mixed melting shapes in addition to cage modle polysilsesquioxane
At aluminium alloy；
(2) airflow stirring: being passed through inert gas into aluminium alloy from aluminium alloy side, while with graphite network from aluminium alloy side
Face circulation is sieved repeatedly；
(3) curing molding: slowly reducing temperature, and when aluminium alloy is in semi-solid slurry, cage modle polysilsesquioxane is added
Particle, continuation are sieved with graphite network, and natural cooling is until form alloy block；
(4) finished product: by the machined formation lower water chamber of alloy block.
The present invention is in the preparation process of lower water chamber, the special alloy processing technology using airflow stirring.Airflow stirring
It is the mode for combining air-flow with stirring, strong convection is generated to aluminium alloy using air-flow, and utilize the stirring of graphite network sieving
Mode carries out alloy grain refinement, and then the good microstructure of semisolid of forming properties, significantly enhances the elongation percentage of alloy.
Preferably, temperature when airflow stirring is controlled at 600-650 DEG C, and cooled down in solidification using soft metal
(such as gallium-indium alloy, tin alloy).More slow cooling rate is kept, can protect cage modle polysilsesquioxane particle will not be because
Partial denaturation and partially cured, the non-uniform alloy of forming component occurs for the larger difference of temperature.
Preferably, step (2) described inert gas includes one of argon gas, helium, neon or a variety of.
Preferably, aluminium alloy upper surface forms the bubbling not ruptured when side is ventilated in step (2).
When being passed through gas, due to bubble, aluminium alloy is made to be in strong convection, strong mixing state.Bubble generates disorderly at this time
It flows additional shearing stress and acts on aluminium alloy.In turbulent flow, fluid particle does Brownian movement, so as to cause different metal fluid phase matter
Thus momentum-exchange between point generates biggish shearing stress and loses more available energies.That is optimized alloy tissue morphology.
Preferably, the grid height of step (2) described graphite network is no more than aluminium alloy upper surface.
Preferably, the rate of step (2) inert gas is consistent with the sieving rate of graphite network, it is 0.5-1.5cm/s.
Either control bubbling does not rupture or graphite net height is no more than aluminium alloy upper surface, is for controlling lazy
Property gas from the loss of aluminium alloy upper surface, will not guarantee that the tissue of alloy mutually has hierarchy, so that outermost alloy mutually has
There is higher corrosion resistance.
Compared with prior art, the present invention has the advantage that
(1) present invention is special joined cage modle polysilsesquioxane, as enhancing component, and inhibit whisker growth.
(2) present invention in cage modle polysilsesquioxane outer layer has carried out copper foil-clad processing, and limit copper foil thickness and
The copper foil of dosage, lesser thickness and lower content can fully ensure that cage modle polysilsesquioxane and alloy combination degree.
(3) the special alloy processing technology using airflow stirring of the present invention, i.e., the mode combined air-flow with stirring,
Strong convection is generated to aluminium alloy using air-flow, and using the agitating mode of graphite network sieving, carries out alloy grain refinement, and then shape
At microstructure of semisolid of good performance, the elongation percentage of alloy is significantly enhanced.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is simultaneously
It is not limited to these embodiments.
Embodiment 1
Ingredient: by above-mentioned aluminium alloy proportion weigh raw material, including cage modle polysilsesquioxane: 1.5%, Sr:0.06%,
Zr:0.2%, Mn:0.07%, Zn:0.1%, surplus are Al and impurity, and wherein cage modle polysilsesquioxane is in granular form, partial size
It is coated with the copper foil for coating pattern in half for each particle of 1mm, and cage modle polysilsesquioxane, controls the thickness of copper foil
It is 8 μm, the volume ratio of cage modle polysilsesquioxane and copper foil is 25:1；
It smelts: all raw material mixed meltings in addition to cage modle polysilsesquioxane is formed into aluminium alloy；
Airflow stirring: control aluminium alloy temperature is 630 DEG C, and argon gas, helium, neon are passed through into aluminium alloy from aluminium alloy side
Gas gaseous mixture, and keep aluminium alloy upper surface to form the bubbling not ruptured, while being no more than aluminium alloy upper surface with grid height
Graphite network from aluminium alloy side circulation be sieved repeatedly, keep the rate of inert gas consistent with the sieving rate of graphite network,
For 1cm/s；
Curing molding: slow cooling is carried out to aluminium alloy using gallium-indium alloy, when aluminium alloy is in semi-solid slurry, is added
Cage modle polysilsesquioxane particle, continuation are sieved with graphite network, and natural cooling is until form alloy block；
Finished product: by the machined formation lower water chamber of alloy block.
Embodiment 2
Ingredient: by above-mentioned aluminium alloy proportion weigh raw material, including cage modle polysilsesquioxane: 0.5%, Sr:0.02%,
Zr:0.15%, Mn:0.04%, Zn:0.07%, surplus are Al and impurity, and wherein cage modle polysilsesquioxane is in granular form, grain
Diameter is 0.5mm, and each particle of cage modle polysilsesquioxane is coated with the copper foil for coating pattern in half, controls copper foil
With a thickness of 6 μm, the volume ratio of cage modle polysilsesquioxane and copper foil is 20:1；
It smelts: all raw material mixed meltings in addition to cage modle polysilsesquioxane is formed into aluminium alloy；
Airflow stirring: control aluminium alloy temperature is 630 DEG C, and argon gas, helium, neon are passed through into aluminium alloy from aluminium alloy side
Gas gaseous mixture, and keep aluminium alloy upper surface to form the bubbling not ruptured, while being no more than aluminium alloy upper surface with grid height
Graphite network from aluminium alloy side circulation be sieved repeatedly, keep the rate of inert gas consistent with the sieving rate of graphite network,
For 1cm/s；
Curing molding: slow cooling is carried out to aluminium alloy using gallium-indium alloy, when aluminium alloy is in semi-solid slurry, is added
Cage modle polysilsesquioxane particle, continuation are sieved with graphite network, and natural cooling is until form alloy block；
Finished product: by the machined formation lower water chamber of alloy block.
Embodiment 3
Ingredient: raw material, including cage modle polysilsesquioxane: 2.5%, Sr:0.1%, Zr are weighed by above-mentioned aluminium alloy proportion:
0.25%, Mn:0.1%, Zn:0.14%, surplus are Al and impurity, and wherein cage modle polysilsesquioxane is in granular form, and partial size is
1.5mm, and each particle of cage modle polysilsesquioxane is coated with the copper foil in full cladding pattern, controls the thickness of copper foil
It is 10 μm, the volume ratio of cage modle polysilsesquioxane and copper foil is 30:1；
It smelts: all raw material mixed meltings in addition to cage modle polysilsesquioxane is formed into aluminium alloy；
Airflow stirring: control aluminium alloy temperature is 630 DEG C, and argon gas, helium, neon are passed through into aluminium alloy from aluminium alloy side
Gas gaseous mixture, and keep aluminium alloy upper surface to form the bubbling not ruptured, while being no more than aluminium alloy upper surface with grid height
Graphite network from aluminium alloy side circulation be sieved repeatedly, keep the rate of inert gas consistent with the sieving rate of graphite network,
For 1cm/s；
Curing molding: slow cooling is carried out to aluminium alloy using gallium-indium alloy, when aluminium alloy is in semi-solid slurry, is added
Cage modle polysilsesquioxane particle, continuation are sieved with graphite network, and natural cooling is until form alloy block；
Finished product: by the machined formation lower water chamber of alloy block.
Embodiment 4
Ingredient: by above-mentioned aluminium alloy proportion weigh raw material, including cage modle polysilsesquioxane: 1.5%, Sr:0.06%,
Zr:0.2%, Mn:0.07%, Zn:0.1%, surplus are Al and impurity, and wherein cage modle polysilsesquioxane is in granular form, partial size
It is coated with the copper foil for coating pattern in half for each particle of 1mm, and cage modle polysilsesquioxane, controls the thickness of copper foil
It is 8 μm, the volume ratio of cage modle polysilsesquioxane and copper foil is 25:1；
It smelts: all raw material mixed meltings in addition to cage modle polysilsesquioxane is formed into aluminium alloy；
Airflow stirring: control aluminium alloy temperature is 600 DEG C, and it is mixed that argon gas, helium are passed through into aluminium alloy from aluminium alloy side
Gas is closed, and aluminium alloy upper surface is kept to form the bubbling not ruptured, while being no more than the stone of aluminium alloy upper surface with grid height
Black net is sieved repeatedly from aluminium alloy side circulation, keeps the rate of inert gas consistent with the sieving rate of graphite network, is
0.5cm/s；
Curing molding: slow cooling is carried out to aluminium alloy using gallium-indium alloy, when aluminium alloy is in semi-solid slurry, is added
Cage modle polysilsesquioxane particle, continuation are sieved with graphite network, and natural cooling is until form alloy block；
Finished product: by the machined formation lower water chamber of alloy block.
Embodiment 5
Ingredient: by above-mentioned aluminium alloy proportion weigh raw material, including cage modle polysilsesquioxane: 1.5%, Sr:0.06%,
Zr:0.2%, Mn:0.07%, Zn:0.1%, surplus are Al and impurity, and wherein cage modle polysilsesquioxane is in granular form, partial size
It is coated with the copper foil for coating pattern in half for each particle of 1mm, and cage modle polysilsesquioxane, controls the thickness of copper foil
It is 8 μm, the volume ratio of cage modle polysilsesquioxane and copper foil is 25:1；
It smelts: all raw material mixed meltings in addition to cage modle polysilsesquioxane is formed into aluminium alloy；
Airflow stirring: control aluminium alloy temperature is 650 DEG C, helium is passed through into aluminium alloy from aluminium alloy side, and keep
Aluminium alloy upper surface forms the bubbling that does not rupture, while being no more than the graphite network of aluminium alloy upper surface from aluminium alloy with grid height
Side circulation is sieved repeatedly, is kept the rate of inert gas consistent with the sieving rate of graphite network, is 1.5cm/s；
Curing molding: slow cooling is carried out to aluminium alloy using gallium-indium alloy, when aluminium alloy is in semi-solid slurry, is added
Cage modle polysilsesquioxane particle, continuation are sieved with graphite network, and natural cooling is until form alloy block；
Finished product: by the machined formation lower water chamber of alloy block.
Embodiment 6
Difference with embodiment 1 is only that the content of cage modle polysilsesquioxane is in 6 aluminium alloy stock of embodiment
0.4%.
Embodiment 7
Difference with embodiment 1 is only that the content of cage modle polysilsesquioxane is in 7 aluminium alloy stock of embodiment
2.6%.
Embodiment 8
Difference with embodiment 1 is only that the volume ratio of 8 cage modle polysilsesquioxane of embodiment and copper foil is 19:1.
Embodiment 9
Difference with embodiment 1 is only that the volume ratio of 9 cage modle polysilsesquioxane of embodiment and copper foil is 31:1.
Embodiment 10
Difference with embodiment 1 is only that the grid height of 10 graphite network of embodiment is more than aluminium alloy upper surface.
Embodiment 11
Difference with embodiment 1 is only that 11 aluminium alloy upper surface of embodiment forms the bubbling of rupture.
Embodiment 12
Difference with embodiment 1 is only that the rate of 12 inert gas of embodiment and the sieving rate of graphite network are inconsistent.
Comparative example 1
Difference with embodiment 1 is only that, cage modle polysilsesquioxane is free of in the al alloy component of comparative example 1.
Comparative example 2
Difference with embodiment 1 is only that, inert gas is only passed through in 2 preparation process of comparative example, without graphite network mistake
Sieve.
Comparative example 3
Difference with embodiment 1 is only that, is only carried out graphite network sieving in 3 preparation process of comparative example, is not passed through indifferent gas
Body.
The lower water chamber of embodiment 1-12 and comparative example 1-3 are tested, test its intensity, elongation, corrosion resistance and
Hardness, the results are shown in Table 1:
Table 1: the performance of lower water chamber in embodiment 1-12 and comparative example 1-3
Corrosion resistance data refer to that being lauched chamber surface the time of pitting occurs in table, and material and technologic variation can be to productions
The performance of product causes large effect.
It is skilled to this field although present invention has been described in detail and some specific embodiments have been cited
For technical staff, as long as it is obvious for can making various changes or correct without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of lower water chamber, which is characterized in that the lower water chamber is made of aluminium alloy, and the aluminium alloy is by following quality hundred
Divide the raw material composition of ratio: cage modle polysilsesquioxane: 0.5-2.5%, Sr:0.02-0.1%, Zr:0.15-0.25%, Mn:
0.04-0.1%, Zn:0.07-0.14%, surplus are Al and impurity.
2. lower water chamber according to claim 1, which is characterized in that the cage modle polysilsesquioxane is in granular form, partial size
For 0.5-1.5mm.
3. lower water chamber according to claim 2, which is characterized in that each particle packet of the cage modle polysilsesquioxane
It is covered with copper foil, cladding form is half cladding or full cladding.
4. lower water chamber according to claim 3, which is characterized in that the copper foil with a thickness of 6-10 μm, the poly- sesquialter of cage modle
The volume ratio of siloxanes and copper foil is 20-30:1.
5. a kind of preparation method of lower water chamber, which is characterized in that described method includes following steps:
(1) it smelts: being weighed by raw material described in claim 1, all raw materials in addition to cage modle polysilsesquioxane are mixed
Melting forms aluminium alloy；
(2) airflow stirring: it is passed through inert gas into aluminium alloy from aluminium alloy side, while being followed with graphite network from aluminium alloy side
Ring is sieved repeatedly；
(3) curing molding: slowly reducing temperature, and when aluminium alloy is in semi-solid slurry, cage modle polysilsesquioxane particle is added,
Continuation is sieved with graphite network, and natural cooling is until form alloy block；
(4) finished product: by the machined formation lower water chamber of alloy block.
6. a kind of preparation method of lower water chamber according to claim 5, which is characterized in that step (2) described inert gas
Including one of argon gas, helium, neon or a variety of.
7. a kind of preparation method of lower water chamber according to claim 5, which is characterized in that when side is ventilated in step (2),
Aluminium alloy upper surface forms the bubbling not ruptured.
8. a kind of preparation method of lower water chamber according to claim 5, which is characterized in that step (2) described graphite network
Grid height is no more than aluminium alloy upper surface.
9. a kind of preparation method of lower water chamber according to claim 5, which is characterized in that the speed of step (2) inert gas
Rate is consistent with the sieving rate of graphite network, is 0.5-1.5cm/s.
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| JP2014231620A (en) * | 2013-05-28 | 2014-12-11 | 昭和電工株式会社 | Aluminum alloy foil for electrolytic capacitor electrode |
| US9321700B2 (en) * | 2011-08-04 | 2016-04-26 | University Of Utah Research Foundation | Production of nanoparticles using homogeneous milling and associated products |
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|---|---|---|---|---|
| CN101871062A (en) * | 2009-04-21 | 2010-10-27 | 株式会社电装 | Aluminum alloy clad sheet for heat exchangers |
| US9321700B2 (en) * | 2011-08-04 | 2016-04-26 | University Of Utah Research Foundation | Production of nanoparticles using homogeneous milling and associated products |
| CN102433475A (en) * | 2011-12-15 | 2012-05-02 | 贵州华科铝材料工程技术研究有限公司 | High-strength and high-hardness aluminum alloy and preparation method thereof |
| JP2014231620A (en) * | 2013-05-28 | 2014-12-11 | 昭和電工株式会社 | Aluminum alloy foil for electrolytic capacitor electrode |
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