CN107974568A - A kind of porous Al alloy rolling mill practice - Google Patents
A kind of porous Al alloy rolling mill practice Download PDFInfo
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- CN107974568A CN107974568A CN201711205424.1A CN201711205424A CN107974568A CN 107974568 A CN107974568 A CN 107974568A CN 201711205424 A CN201711205424 A CN 201711205424A CN 107974568 A CN107974568 A CN 107974568A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 121
- 238000005096 rolling process Methods 0.000 title claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 41
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000011148 porous material Substances 0.000 claims abstract description 37
- 239000004411 aluminium Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000002844 melting Methods 0.000 claims abstract description 25
- 230000008018 melting Effects 0.000 claims abstract description 25
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000137 annealing Methods 0.000 claims abstract description 20
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011734 sodium Substances 0.000 claims abstract description 20
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000005098 hot rolling Methods 0.000 claims abstract description 15
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 15
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 14
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 14
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 14
- 239000011777 magnesium Substances 0.000 claims abstract description 14
- 229910052716 thallium Inorganic materials 0.000 claims abstract description 14
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052718 tin Inorganic materials 0.000 claims abstract description 14
- 238000005097 cold rolling Methods 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 13
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 13
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011787 zinc oxide Substances 0.000 claims abstract description 13
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000907 nickel aluminide Inorganic materials 0.000 claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011135 tin Substances 0.000 claims abstract description 7
- AIPVTTKYSPOWFO-UHFFFAOYSA-N azepane-1-carbaldehyde Chemical compound O=CN1CCCCCC1 AIPVTTKYSPOWFO-UHFFFAOYSA-N 0.000 claims description 24
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 23
- 239000001307 helium Substances 0.000 claims description 12
- 229910052734 helium Inorganic materials 0.000 claims description 12
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 12
- 239000011265 semifinished product Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 6
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000001099 ammonium carbonate Substances 0.000 claims description 6
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 150000002576 ketones Chemical class 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 abstract description 31
- 230000003647 oxidation Effects 0.000 abstract description 13
- 238000007254 oxidation reaction Methods 0.000 abstract description 13
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Substances NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 abstract description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract description 2
- -1 methyl 2 (1 Methylethyl) hexamethylene formamide Chemical compound 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 19
- 238000002360 preparation method Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000000265 homogenisation Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 244000226566 Psoralea corylifolia Species 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- 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
- C22C1/08—Alloys with open or closed pores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of porous Al alloy rolling mill practice, the porous Al alloy, including following raw material：Aluminium, magnesium, tin, thallium, bismuth, silicon, iron, vanadium, yttrium, zinc oxide, titanium dioxide, manganese dioxide, tungsten carbide, nickel aluminide, pore creating material, graphene, N ethyls 5 methyl 2 (1 Methylethyl) hexamethylene formamide, a sodium olefin sulfonates, praseodynium aluminium, the porous Al alloy be by melting, refine, skim, purify, homogenizing annealing, hot rolling, cold rolling and etc. made of.Compared with prior art, porous Al alloy material is remarkably improved tensile strength and high temperature oxidation resistance made from rolling mill practice of the invention, while quality is lighter, can be widely applied to automobile and other industries.
Description
【Technical field】
The invention belongs to technical field of aluminium alloy preparation, and in particular to a kind of porous Al alloy rolling mill practice.
【Background technology】
World Auto Industry is faced with three increasingly severeer big problems：The energy, environmental protection, safety.In world's industrial development
It is required that under the urgent situation of energy-saving and environmental protection, World Main Auto manufacturer tries to increase light material application percentage on automobile
Energy consumption is reduced to mitigate automotive dead weight, is reduced environmental pollution, improves the fuel economy of automobile.Aluminium alloy can significantly mitigate vapour
Car is conducted oneself with dignity, and helps to improve running car stationarity, riding comfort and security, and with excellent performance and high time
Reproducibility is received, is known as promoting the most effective material of automotive light weight technology by world car industry.Body of a motor car accounts for automobile gross weight
30%, can make vehicle body loss of weight about 40%-50% instead of conventional steel plates with aluminium alloy only on automobile interior exterior plate.In addition,
Bear equally to impact, aluminium sheet absorbs impact energy 50% more than steel plate.6000 line aluminium alloys are a kind of to be suitable for the light of automobile application
Quantify material.6000 line aluminium alloys have the characteristics that good moldability, corrosion resistance are strong, intensity is high, resistance to elevated temperatures is good, antifatigue
Intensity is higher than 7000 line aluminium alloys, and corrosion resistance is better than 2000 line aluminium alloys, has good formability, punching press under T4 states
When do not produce stretcher strain markings, and also baking hardening characteristic, product intensity can match in excellence or beauty with steel plate.
The application of porous material generally depends on its macrostructure (size in hole and overall porosity) and alloy sheet
Performance possessed by body (yield strength etc.).Suitable alloy system is selected, the hole of material is rationally controlled, using appropriate system
Preparation Method can be prepared by the porous material of required performance.
The research to sintered porous material is concentrated mainly on the optimization of preparation process, the discussion of pore formation mechanism, material at present
The improvement of performance and the several aspects of the expansion of application range.Wherein, for pore formation mechanism, sintered porous material system is had been supplied in
Pore-forming mode in Preparation Method mainly has：First, by chemically reacting pore-forming, its principle is based on the intrinsic diffusion system of different elements
Inclined diffusion effect caused by several larger differences so that Kirkendall holes are produced in material；Second, pass through raw particles
Physics accumulates pore-forming；3rd, pore-forming is deviate from by adding ingredient.The selection and combination of above-mentioned several pore-forming modes are inevitable
The pore structure of porous material can be caused directly to influence.And the pore structure of porous material can further determine porous material
Performance.Therefore, the sintered porous material often pore structure with differentiation and the use generated based on different pore-forming modes
Performance, by the understanding to them and measurement, may be such that these porous materials being capable of clearer identified and characterization.It is at present
Sufficient characterization porous material, it is commonly employed in the art：1) material composition and content；2) pore structure, mainly including porosity,
Aperture etc.；3) material property parameter, including mechanical strength and chemical stability.But there are quality for existing porous Al alloy material
Relatively heavy, the problem of tensile strength and high temperature oxidation resistance are poor.
Such as Chinese patent application document " a kind of porous Al alloy material and its preparation method and application " (publication number：
CN105506333A), a kind of porous Al alloy material of the disclosure of the invention, is made of the component below according to mass percent：
Psoralea corylifolia 4.2%-4.5%, aluminium 70%-74.5%, magnesium 10.3%-10.8%, tin 10.5%-15.2%, thallium 0.005%-
0.008%th, bismuth 0.03%-0.06%.Porous Al alloy material made from the invention has that porosity is high and controllable, corrosion resistance
The features such as, but there are the problem of quality is relatively heavy, tensile strength and high temperature oxidation resistance are poor.
【The content of the invention】
The technical problem to be solved in the present invention is to provide a kind of porous Al alloy rolling mill practice, to solve existing porous aluminum
There are the problem of quality is relatively heavy, tensile strength and high temperature oxidation resistance are poor for alloy material.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of porous Al alloy, in units of parts by weight, including following raw material：175-280 parts of aluminium, 2-3.2 parts of magnesium, tin
0.5-0.8 parts, 0.4-0.6 parts of thallium, 0.6-1 parts of bismuth, 1-2 parts of silicon, 0.8-1.2 parts of iron, 0.2-0.5 parts of vanadium, 0.3-0.6 parts of yttrium,
0.4-0.7 parts of zinc oxide, 0.6-0.9 parts of titanium dioxide, 0.7-1 parts of manganese dioxide, 0.5-0.8 parts of tungsten carbide, nickel aluminide 0.4-
0.6 part, 3-5 parts of pore creating material, 0.6-1.2 parts of graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamides 1-2
Part, 1.2-2.5 parts of a- sodium olefin sulfonates, 0.8-1.2 parts of praseodynium aluminium；
The porous Al alloy rolling mill practice, comprises the following steps：
S1, melting：By aluminium, magnesium, tin, thallium, bismuth, silicon, iron, vanadium, yttrium, zinc oxide, titanium dioxide, manganese dioxide, tungsten carbide,
Nickel aluminide is put into melting furnace, and control temperature carries out melting, and mixed melting water is made
S2, refine, skim：750-780 DEG C is cooled to by water is melted made from step S1, while is passed through helium protection, is connect
Addition pore creating material, graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, three second
Acyl acetone aluminium, is refined under conditions of ul-trasonic irradiation, is skimmed, and molten aluminium alloy is made；
S3, purification：It is 750-780 DEG C that molten aluminium alloy made from step S2 is kept temperature, and helium protection is lower to be stood
1-1.5h, then carries out cleaning molten processing using the method for ceramic filter, purifying aluminum alloy is made；
S4, homogenizing annealing：Purifying aluminum alloy made from step S3 is subjected to homogenizing annealing processing, obtained homogenization is moved back
The aluminium alloy of fire processing；
S5, hot rolling：Hot rolling treatment 2-2.5h will be carried out at a temperature of the aluminium alloy control of step S4 homogenizing annealings processing, connect
And be air-cooled to room temperature, porous Al alloy semi-finished product are made；
S6, cold rolling：Porous Al alloy semi-finished product made from step S5 are subjected to single pass cold rolling, porous Al alloy is made.
Preferably, the pore creating material is made in units of weight of following raw material：16-20 parts of carboxymethyl cellulose, ammonium carbonate
6-12 parts, 7-10 parts of urea.
Preferably, controlled at 1220-1450 DEG C described in step S1.
Preferably, the condition of ul-trasonic irradiation described in step S2：Power is 400-600W, rotating speed 200-300r/
min。
Preferably, the temperature that hot rolling treatment is carried out at a temperature of being controlled described in step S5 is 560-600 DEG C.
The invention has the advantages that：
(1) as the data of embodiment 1-3 and comparative example 6 as it can be seen that the tension of porous Al alloy material made from embodiment 1-3
Intensity and high temperature oxidation resistance are significantly higher than the tensile strength and resistance to high temperature oxidation of porous Al alloy material made from comparative example 6
Property；Meanwhile under the same terms, the density of porous Al alloy material made from embodiment 1-3 is less than porous aluminum made from comparative example 6
The density of alloy material, illustrates porous Al alloy material made from embodiment 1-3 than porous Al alloy material made from comparative example 6
Quality is lighter.
(2) by embodiment 3 and the data of comparative example 1-5 as it can be seen that graphene, N- ethyl -5- methyl -2- (1- Methylethyls)
Hexamethylene formamide, a- sodium olefin sulfonates, praseodynium aluminium play synergistic effect in porous Al alloy material is prepared, significantly
Improve the tensile strength and high temperature oxidation resistance of porous Al alloy material；This is probably：1) graphene (Graphene) is both
Most thin material, and most tough material, 200 times more taller than best steel of fracture strength, while it has well again
Elasticity, stretch range can reach the 20% of own dimensions, and the addition of graphene can improve the tensile strength of porous Al alloy material；
2) N- ethyls -5- methyl -2- (1- Methylethyls) hexamethylene formamide is amide-type nonionic surfactant, is had certain organic
The property of thing surfactant, the addition of N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide make graphene surface live
Change, improve the activation energy of graphene, so as to improve the tensile strength of porous Al alloy material indirectly；3) a- sodium olefin sulfonates play
Urge and ooze component effect, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamides can be promoted to live in the infiltration of graphene surface
Change acts on, so as to further improve the tensile strength of porous Al alloy material；4) praseodynium aluminium promotees as a kind of accelerating agent
Activation occurs into graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, had both improved porous aluminum conjunction
The tensile strength of golden material, and improve high temperature oxidation resistance.
(3) porous Al alloy material of the invention has the features such as light weight, high-tensile and high temperature oxidation resistance, can
It is widely used in automobile and other industries.
【Embodiment】
For ease of more fully understanding the present invention, it is illustrated by following instance, these examples belong to the protection of the present invention
Scope, but do not limit the scope of the invention.
In embodiment, the porous Al alloy, in units of parts by weight, including following raw material：175-280 parts of aluminium,
2-3.2 parts of magnesium, 0.5-0.8 parts of tin, 0.4-0.6 parts of thallium, 0.6-1 parts of bismuth, 1-2 parts of silicon, 0.8-1.2 parts of iron, 0.2-0.5 parts of vanadium,
0.3-0.6 parts of yttrium, 0.4-0.7 parts of zinc oxide, 0.6-0.9 parts of titanium dioxide, 0.7-1 parts of manganese dioxide, tungsten carbide 0.5-0.8
Part, 0.4-0.6 parts of nickel aluminide, 3-5 parts of pore creating material, 0.6-1.2 parts of graphene, N- ethyl -5- methyl -2- (1- Methylethyls) ring
Own formamide 1-2 parts, 1.2-2.5 parts of a- sodium olefin sulfonates, 0.8-1.2 parts of praseodynium aluminium；
The pore creating material is made in units of weight of following raw material：16-20 parts of carboxymethyl cellulose, 6-12 parts of ammonium carbonate,
7-10 parts of urea；
The porous Al alloy rolling mill practice, comprises the following steps：
S1, melting：By aluminium, magnesium, tin, thallium, bismuth, silicon, iron, vanadium, yttrium, zinc oxide, titanium dioxide, manganese dioxide, tungsten carbide,
Nickel aluminide is put into melting furnace, and melting at being 1220-1450 DEG C in temperature, is made mixed melting water
S2, refine, skim：750-780 DEG C is cooled to by water is melted made from step S1, while is passed through helium protection, is connect
Addition pore creating material, graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, three second
Acyl acetone aluminium, is refined under conditions of ultrasonic power is 400-600W, rotating speed is 200-300r/min, is skimmed, and is made
Molten aluminium alloy；
S3, purification：It is 750-780 DEG C that molten aluminium alloy made from step S2 is kept temperature, and helium protection is lower to be stood
1-1.5h, then carries out cleaning molten processing using the method for ceramic filter, purifying aluminum alloy is made；
S4, homogenizing annealing：Purifying aluminum alloy made from step S3 is subjected to homogenizing annealing processing, obtained homogenization is moved back
The aluminium alloy of fire processing；
S5, hot rolling：The aluminium alloy temperature control of step S4 homogenizing annealings processing is carried out at hot rolling at 560-600 DEG C
2-2.5h is managed, is then air-cooled to room temperature, porous Al alloy semi-finished product are made；
S6, cold rolling：Porous Al alloy semi-finished product made from step S5 are subjected to single pass cold rolling, porous Al alloy is made.
Below by more specific embodiment, the present invention will be described.
Embodiment 1
A kind of porous Al alloy, in units of parts by weight, including following raw material：232 parts of aluminium, 2.6 parts of magnesium, 0.7 part of tin, thallium
0.5 part, 0.8 part of bismuth, 1.5 parts of silicon, 1 part of iron, 0.3 part of vanadium, 0.5 part of yttrium, 0.6 part of zinc oxide, 0.8 part of titanium dioxide, titanium dioxide
0.8 part of manganese, 0.7 part of tungsten carbide, 0.5 part of nickel aluminide, 4.2 parts of pore creating material, 0.9 part of graphene, N- ethyl -5- methyl -2- (1- first
Base ethyl) 1.6 parts of hexamethylene formamide, 1.8 parts of a- sodium olefin sulfonates, 1 part of praseodynium aluminium；
The pore creating material is made in units of weight of following raw material：19 parts of carboxymethyl cellulose, 10 parts of ammonium carbonate, urea 9
Part；
The porous Al alloy rolling mill practice, comprises the following steps：
S1, melting：By aluminium, magnesium, tin, thallium, bismuth, silicon, iron, vanadium, yttrium, zinc oxide, titanium dioxide, manganese dioxide, tungsten carbide,
Nickel aluminide is put into melting furnace, and melting at being 1350 DEG C in temperature, is made mixed melting water
S2, refine, skim：770 DEG C are cooled to by water is melted made from step S1, while is passed through helium protection, is then added
Enter pore creating material, graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, triacetyl third
Ketone aluminium, is refined under conditions of ultrasonic power is 500W, rotating speed is 250r/min, is skimmed, and molten aluminium alloy is made；
S3, purification：It is 770 DEG C that molten aluminium alloy made from step S2 is kept temperature, and helium protection is lower to stand 1.3h,
Then cleaning molten processing is carried out using the method for ceramic filter, purifying aluminum alloy is made；
S4, homogenizing annealing：Purifying aluminum alloy made from step S3 is subjected to homogenizing annealing processing, obtained homogenization is moved back
The aluminium alloy of fire processing；
S5, hot rolling：The aluminium alloy temperature control of step S4 homogenizing annealings processing is subjected to hot rolling treatment at 580 DEG C
2.3h, is then air-cooled to room temperature, and porous Al alloy semi-finished product are made；
S6, cold rolling：Porous Al alloy semi-finished product made from step S5 are subjected to single pass cold rolling, porous Al alloy is made.
Embodiment 2
A kind of porous Al alloy, in units of parts by weight, including following raw material：176 parts of aluminium, 2.2 parts of magnesium, 0.5 part of tin, thallium
0.4 part, 0.6 part of bismuth, 1 part of silicon, 0.8 part of iron, 0.2 part of vanadium, 0.3 part of yttrium, 0.4 part of zinc oxide, 0.6 part of titanium dioxide, titanium dioxide
0.7 part of manganese, 0.5 part of tungsten carbide, 0.4 part of nickel aluminide, 3 parts of pore creating material, 0.6 part of graphene, N- ethyl -5- methyl -2- (1- methyl
Ethyl) 1 part of hexamethylene formamide, 1.2 parts of a- sodium olefin sulfonates, 0.8 part of praseodynium aluminium；
The pore creating material is made in units of weight of following raw material：16 parts of carboxymethyl cellulose, 6 parts of ammonium carbonate, urea 7
Part；
The porous Al alloy rolling mill practice, comprises the following steps：
S1, melting：By aluminium, magnesium, tin, thallium, bismuth, silicon, iron, vanadium, yttrium, zinc oxide, titanium dioxide, manganese dioxide, tungsten carbide,
Nickel aluminide is put into melting furnace, and melting at being 1220 DEG C in temperature, is made mixed melting water
S2, refine, skim：750 DEG C are cooled to by water is melted made from step S1, while is passed through helium protection, is then added
Enter pore creating material, graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, triacetyl third
Ketone aluminium, is refined under conditions of ultrasonic power is 400W, rotating speed is 200r/min, is skimmed, and molten aluminium alloy is made；
S3, purification：It is 750 DEG C that molten aluminium alloy made from step S2 is kept temperature, and helium protection is lower to stand 1.5h,
Then cleaning molten processing is carried out using the method for ceramic filter, purifying aluminum alloy is made；
S4, homogenizing annealing：Purifying aluminum alloy made from step S3 is subjected to homogenizing annealing processing, obtained homogenization is moved back
The aluminium alloy of fire processing；
S5, hot rolling：The aluminium alloy temperature control of step S4 homogenizing annealings processing is subjected to hot rolling treatment at 560 DEG C
2.5h, is then air-cooled to room temperature, and porous Al alloy semi-finished product are made；
S6, cold rolling：Porous Al alloy semi-finished product made from step S5 are subjected to single pass cold rolling, porous Al alloy is made.
Embodiment 3
A kind of porous Al alloy, in units of parts by weight, including following raw material：275 parts of aluminium, 3 parts of magnesium, 0.8 part of tin, thallium
0.6 part, 1 part of bismuth, 2 parts of silicon, 1.2 parts of iron, 0.5 part of vanadium, 0.6 part of yttrium, 0.7 part of zinc oxide, 0.9 part of titanium dioxide, manganese dioxide 1
Part, 0.8 part of tungsten carbide, 0.6 part of nickel aluminide, 5 parts of pore creating material, 1.2 parts of graphene, N- ethyl -5- methyl -2- (1- Methylethyls)
2 parts of hexamethylene formamide, 2.5 parts of a- sodium olefin sulfonates, 1.2 parts of praseodynium aluminium；
The pore creating material is made in units of weight of following raw material：20 parts of carboxymethyl cellulose, 12 parts of ammonium carbonate, urea
10 parts；
The porous Al alloy rolling mill practice, comprises the following steps：
S1, melting：By aluminium, magnesium, tin, thallium, bismuth, silicon, iron, vanadium, yttrium, zinc oxide, titanium dioxide, manganese dioxide, tungsten carbide,
Nickel aluminide is put into melting furnace, and melting at being 1450 DEG C in temperature, is made mixed melting water
S2, refine, skim：780 DEG C are cooled to by water is melted made from step S1, while is passed through helium protection, is then added
Enter pore creating material, graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, triacetyl third
Ketone aluminium, is refined under conditions of ultrasonic power is 600W, rotating speed is 300r/min, is skimmed, and molten aluminium alloy is made；
S3, purification：It is 780 DEG C that molten aluminium alloy made from step S2 is kept temperature, and helium protection is lower to stand 1h, connects
And cleaning molten processing is carried out using the method for ceramic filter, purifying aluminum alloy is made；
S4, homogenizing annealing：Purifying aluminum alloy made from step S3 is subjected to homogenizing annealing processing, obtained homogenization is moved back
The aluminium alloy of fire processing；
S5, hot rolling：The aluminium alloy temperature control of step S4 homogenizing annealings processing is subjected to hot rolling treatment at 600 DEG C
2h, is then air-cooled to room temperature, and porous Al alloy semi-finished product are made；
S6, cold rolling：Porous Al alloy semi-finished product made from step S5 are subjected to single pass cold rolling, porous Al alloy is made.
Comparative example 1
It is essentially identical with the preparation process of embodiment 3, have only the difference is that preparing the raw material of porous Al alloy rolling mill practice
In lack graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, praseodynium
Aluminium.
Comparative example 2
It is essentially identical with the preparation process of embodiment 3, have only the difference is that preparing the raw material of porous Al alloy rolling mill practice
In lack graphene.
Comparative example 3
It is essentially identical with the preparation process of embodiment 3, have only the difference is that preparing the raw material of porous Al alloy rolling mill practice
In lack N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide.
Comparative example 4
It is essentially identical with the preparation process of embodiment 3, have only the difference is that preparing the raw material of porous Al alloy rolling mill practice
In lack a- sodium olefin sulfonates.
Comparative example 5
It is essentially identical with the preparation process of embodiment 3, have only the difference is that preparing the raw material of porous Al alloy rolling mill practice
In lack praseodynium aluminium.
Comparative example 6
Using Chinese patent application document " a kind of porous Al alloy material and its preparation method and application " (publication number：
CN105506333A) technique of embodiment 1-5 prepares porous Al alloy.
Porous Al alloy made from embodiment 1-3 and comparative example 1-6 is tested for the property, as a result as shown in the table.Wherein,
The measure of aluminium alloy porosity and average pore size uses bubble method；The test of tensile strength is by embodiment 1-3 and comparative example 1-6
Obtained porous Al alloy is processed as measuring by stretching-machine after standard specimen by chinese national standard GB7963-87；High temperature resistance
Oxidisability is that material rate of body weight gain characterizes after keeping the temperature 90h under 800 DEG C of air atmosphere.
As seen from the above table：(1) as the data of embodiment 1-3 and comparative example 6 as it can be seen that porous aluminum made from embodiment 1-3 is closed
The tensile strength and high temperature oxidation resistance of golden material be significantly higher than the tensile strength of porous Al alloy material made from comparative example 6 and
High temperature oxidation resistance；Meanwhile under the same terms, the density of porous Al alloy material made from embodiment 1-3 is made less than comparative example 6
The density of the porous Al alloy material obtained, illustrates that porous Al alloy material made from embodiment 1-3 is more porous than made from comparative example 6
Aluminum alloy materials quality is lighter.
(2) by embodiment 3 and the data of comparative example 1-5 as it can be seen that graphene, N- ethyl -5- methyl -2- (1- Methylethyls)
Hexamethylene formamide, a- sodium olefin sulfonates, praseodynium aluminium play synergistic effect in porous Al alloy material is prepared, significantly
Improve the tensile strength and high temperature oxidation resistance of porous Al alloy material；This is probably：1) graphene (Graphene) is both
Most thin material, and most tough material, 200 times more taller than best steel of fracture strength, while it has well again
Elasticity, stretch range can reach the 20% of own dimensions, and the addition of graphene can improve the tensile strength of porous Al alloy material；
2) N- ethyls -5- methyl -2- (1- Methylethyls) hexamethylene formamide is amide-type nonionic surfactant, is had certain organic
The property of thing surfactant, the addition of N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide make graphene surface live
Change, improve the activation energy of graphene, so as to improve the tensile strength of porous Al alloy material indirectly；3) a- sodium olefin sulfonates play
Urge and ooze component effect, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamides can be promoted to live in the infiltration of graphene surface
Change acts on, so as to further improve the tensile strength of porous Al alloy material；4) praseodynium aluminium promotees as a kind of accelerating agent
Activation occurs into graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, had both improved porous aluminum conjunction
The tensile strength of golden material, and improve high temperature oxidation resistance.In addition, by embodiment 3 and the data of comparative example 1-5, graphene,
Aluminium is closed in the addition of N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, praseodynium aluminium
The porosity of golden material and average pore size influences are little.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
- A kind of 1. porous Al alloy rolling mill practice, it is characterised in that the porous Al alloy, in units of parts by weight, including Following raw material：175-280 parts of aluminium, 2-3.2 parts of magnesium, 0.5-0.8 parts of tin, 0.4-0.6 parts of thallium, 0.6-1 parts of bismuth, 1-2 parts of silicon, iron 0.8-1.2 parts, 0.2-0.5 parts of vanadium, 0.3-0.6 parts of yttrium, 0.4-0.7 parts of zinc oxide, 0.6-0.9 parts of titanium dioxide, manganese dioxide 0.7-1 parts, 0.5-0.8 parts of tungsten carbide, 0.4-0.6 parts of nickel aluminide, 3-5 parts of pore creating material, 0.6-1.2 parts of graphene, N- ethyls -5- 1-2 parts of methyl -2- (1- Methylethyls) hexamethylene formamide, 1.2-2.5 parts of a- sodium olefin sulfonates, praseodynium aluminium 0.8-1.2 Part；The porous Al alloy rolling mill practice, comprises the following steps：S1, melting：By aluminium, magnesium, tin, thallium, bismuth, silicon, iron, vanadium, yttrium, zinc oxide, titanium dioxide, manganese dioxide, tungsten carbide, calorize Nickel is put into melting furnace, and control temperature carries out melting, and mixed melting water is made；S2, refine, skim：750-780 DEG C is cooled to by water is melted made from step S1, while is passed through helium protection, is then added Enter pore creating material, graphene, N- ethyl -5- methyl -2- (1- Methylethyls) hexamethylene formamide, a- sodium olefin sulfonates, triacetyl third Ketone aluminium, is refined under conditions of ul-trasonic irradiation, is skimmed, and molten aluminium alloy is made；S3, purification：It is 750-780 DEG C that molten aluminium alloy made from step S2 is kept temperature, and helium protection is lower to stand 1- 1.5h, then carries out cleaning molten processing using the method for ceramic filter, purifying aluminum alloy is made；S4, homogenizing annealing：Purifying aluminum alloy made from step S3 is subjected to homogenizing annealing processing, is made at homogenizing annealing The aluminium alloy of reason；S5, hot rolling：Hot rolling treatment 2-2.5h will be carried out at a temperature of the aluminium alloy control of step S4 homogenizing annealings processing, it is then empty It is cooled to room temperature, porous Al alloy semi-finished product is made；S6, cold rolling：Porous Al alloy semi-finished product made from step S5 are subjected to single pass cold rolling, porous Al alloy is made.
- 2. porous Al alloy rolling mill practice according to claim 1, it is characterised in that the pore creating material is using weight to be single Position, is made of following raw material：16-20 parts of carboxymethyl cellulose, 6-12 parts of ammonium carbonate, 7-10 parts of urea.
- 3. porous Al alloy rolling mill practice according to claim 1, it is characterised in that described in step S1 controlled at 1220-1450℃。
- 4. porous Al alloy rolling mill practice according to claim 1, it is characterised in that ul-trasonic irradiation described in step S2 Condition：Power is 400-600W, rotating speed 200-300r/min.
- 5. porous Al alloy rolling mill practice according to claim 1, it is characterised in that at a temperature of being controlled described in step S5 The temperature for carrying out hot rolling treatment is 560-600 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359238A (en) * | 2020-11-05 | 2021-02-12 | 佛山市飞成金属制品有限公司 | Porous aluminum alloy preparation process and aluminum alloy super-heat-conduction plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011118295A1 (en) * | 2011-11-10 | 2013-05-16 | Daimler Ag | Producing an aluminum foam body, comprises providing a microporous body made of aluminum alloy reinforced with hard material particles, and melting the microporous body and then treating a melt under vacuum by acting upon with vibrations |
| CN104451475A (en) * | 2014-12-15 | 2015-03-25 | 苏州宽温电子科技有限公司 | Aluminum alloy composite material and preparation method thereof |
| CN105506333A (en) * | 2015-12-16 | 2016-04-20 | 湖南科技大学 | Porous aluminum alloy material and preparation method and application thereof |
| CN106868376A (en) * | 2017-02-17 | 2017-06-20 | 苏州宇希新材料科技有限公司 | A kind of high intensity foamed aluminium |
| CN106987740A (en) * | 2017-02-24 | 2017-07-28 | 玉林博飞商贸有限公司 | A kind of porous aluminum based composite metal material and preparation method thereof |
| KR20170111571A (en) * | 2016-03-29 | 2017-10-12 | 엘에스전선 주식회사 | Aluminium alloy having an excellent processibility |
-
2017
- 2017-11-27 CN CN201711205424.1A patent/CN107974568A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011118295A1 (en) * | 2011-11-10 | 2013-05-16 | Daimler Ag | Producing an aluminum foam body, comprises providing a microporous body made of aluminum alloy reinforced with hard material particles, and melting the microporous body and then treating a melt under vacuum by acting upon with vibrations |
| CN104451475A (en) * | 2014-12-15 | 2015-03-25 | 苏州宽温电子科技有限公司 | Aluminum alloy composite material and preparation method thereof |
| CN105506333A (en) * | 2015-12-16 | 2016-04-20 | 湖南科技大学 | Porous aluminum alloy material and preparation method and application thereof |
| KR20170111571A (en) * | 2016-03-29 | 2017-10-12 | 엘에스전선 주식회사 | Aluminium alloy having an excellent processibility |
| CN106868376A (en) * | 2017-02-17 | 2017-06-20 | 苏州宇希新材料科技有限公司 | A kind of high intensity foamed aluminium |
| CN106987740A (en) * | 2017-02-24 | 2017-07-28 | 玉林博飞商贸有限公司 | A kind of porous aluminum based composite metal material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359238A (en) * | 2020-11-05 | 2021-02-12 | 佛山市飞成金属制品有限公司 | Porous aluminum alloy preparation process and aluminum alloy super-heat-conduction plate |
| CN112359238B (en) * | 2020-11-05 | 2021-10-01 | 佛山市飞成金属制品有限公司 | Porous aluminum alloy preparation process and aluminum alloy super-heat-conduction plate |
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Application publication date: 20180501 |