CN102912197B - A kind of aluminium silicon magnesium system cast aluminium alloy and preparation method thereof - Google Patents
A kind of aluminium silicon magnesium system cast aluminium alloy and preparation method thereof Download PDFInfo
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 66
- -1 aluminium silicon magnesium Chemical compound 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- 239000011777 magnesium Substances 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 11
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 3
- 230000032683 aging Effects 0.000 claims description 21
- 238000005266 casting Methods 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 238000007669 thermal treatment Methods 0.000 claims description 6
- 239000003818 cinder Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000956 alloy Substances 0.000 abstract description 13
- 239000000243 solution Substances 0.000 description 17
- 238000007670 refining Methods 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 238000003483 aging Methods 0.000 description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000155 melt Substances 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical class [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- FAWGZAFXDJGWBB-UHFFFAOYSA-N antimony(3+) Chemical compound [Sb+3] FAWGZAFXDJGWBB-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- QDMRQDKMCNPQQH-UHFFFAOYSA-N boranylidynetitanium Chemical compound [B].[Ti] QDMRQDKMCNPQQH-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 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 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a kind of aluminium silicon magnesium system cast aluminium alloy and preparation method thereof, belong to aluminum alloy materials technical field.This aluminium alloy is grouped into by the one-tenth of following mass percent: Si:6.8%-7.2%, Mg:0.8%-1.1%, Fe:0.45%-0.6%, Cu :≤0.05%, Zn :≤0.07%, Mn:0.25%-0.45%, Sb:0.1%-0.15%, Ti:0.12%-0.16%, individual event impurity content≤0.03% in other impurity elements, impurity element total content≤0.1%, surplus is aluminium.Present invention also offers the preparation method of this aluminium silicon magnesium system cast aluminium alloy.Mechanical property of the present invention is higher, and tensile strength reaches 300-330MPa, elongation 1%, and yield strength RP0.2% can reach 249-270MPa, meets the mechanical property requirements under hot conditions.
Description
Technical field
The present invention relates to aluminum alloy materials technical field, particularly relate to a kind of aluminium silicon magnesium system cast aluminium alloy and preparation method thereof.
Background technology
In fine aluminium, add other metal or nonmetal, it is various for press working or the aluminium alloy cast to prepare place.According to composition and the processing industry feature of aluminium alloy, aluminium alloy can be divided into wrought aluminium alloy and cast aluminium alloy.Cast aluminium alloy available metal casting forming process directly obtains the aluminium alloy of part, this kind ofly industrially applies comparatively extensive, and the maximum level of cast aluminium alloy interalloy elemental silicon exceedes the silicone content in most wrought aluminium alloy.Cast aluminium alloy, except containing except strengthening element, also must contain the cocrystallizing type element of q.s, have suitable mobility to make alloy.The cast aluminium alloy of prior art, add element in aluminium to primarily of silicon, copper, magnesium, iron, manganese, zinc etc., wherein aluminium silicon magnesium system casting alloy is due to series of advantages such as thermal expansivity is little, heat conductivity is good, hot cracking tendency is little, good fluidities, become the class alloy that consumption in cast aluminium alloy is maximum, can be used for the component such as turning device and housing, engine parts, brake pump, braking clamp body of automobile.
Chinese patent application (publication number: CN102312137A) relates to aluminium silicon magnesium system's cast aluminium alloy and casting technique, and this aluminium alloy component comprises the element of following mass percent: silicon 6.5-7.5; Magnesium 0.40-0.60; Titanium 0.10-0.30; Strontium 0.01-0.03; Iron≤0.20; Copper≤0.10; Zinc≤0.20; Manganese≤0.10; Beryllium≤0.01; Vanadium≤0.02; All the other are aluminium.This aluminum alloy casting technique comprises: by A356.2 aluminium ingot shove charge melting; Add rotten material again and carry out refining; Cast after leaving standstill the scheduled time; Carry out solid solution, cooling, transfer and ageing treatment successively afterwards.Although this aluminium silicon system cast aluminium alloy overcomes existing intensity of aluminum alloy and unit elongation defect on the low side, but due to its components compatibility and manufacturing process unreasonable, still be difficult to change lower, the working temperature of thermotolerance generally lower than the defect of 185 DEG C, the requirement that it manufactures trolley part cannot be met, therefore provide a kind of mechanical property higher, there is High Speed Machining performance, the aluminium silicon magnesium system cast aluminium alloy simultaneously having mechanical behavior under high temperature concurrently becomes problem demanding prompt solution.
Summary of the invention
The present invention is directed to the defect of prior art, a kind of better mechanical property is provided, not only High Speed Machining better performances, have the aluminium silicon magnesium system cast aluminium alloy that mechanical behavior under high temperature is high simultaneously concurrently.
Above-mentioned purpose of the present invention can be implemented by the following technical programs: a kind of aluminium silicon magnesium system cast aluminium alloy, this aluminium alloy is grouped into by the one-tenth of following mass percent: Si:6.8%-7.2%, Mg:0.8%-1.1%, Fe:0.45%-0.6%, Cu :≤0.05%, Zn :≤0.07%, Mn:0.25%-0.45%, Sb:0.1%-0.15%, Ti:0.12%-0.16%, individual event impurity content≤0.03% in other impurity elements, impurity element total content≤0.1%, surplus is aluminium.
Aluminium alloy aluminium silicon magnesium system of the present invention cast aluminium alloy must comprise element silicon and magnesium elements, the reasonable compatibility of element silicon and magnesium elements aluminium alloy is had advantages such as thermal expansivity is little, heat conductivity good, hot cracking tendency is little, good fluidity, make cast aluminium alloy of the present invention obviously be different from other cast aluminium alloy or wrought aluminium alloy.In addition the interpolation of element silicon can solve aluminum-copper alloy and aluminum magnesium alloy can not the phenomenon of solution strengthening.
Magnesium elements and aluminium can have higher dissolving each other, the physicals of aluminium alloy is improved a lot, in prior art, the general content of Mg that adopts controls at 0.4%-0.6%, adopt the magnesium elements of this content that final cast aluminium alloy cannot be made to have High Speed Machining performance and mechanical behavior under high temperature reaches, the content of Mg must be increased to more than 0.8% in right amount.But too much magnesium elements easily causes alloy fragility to increase, production process oxidation control cost is higher, so the content of Mg element need be controlled below 1.1%.
Copper is the same with aluminium element has face-centred cubic structure, and the fusing point of copper is 1084.5 DEG C.In aluminium silicon magnesium system cast aluminium alloy, add copper, any ternary compound can not be formed.The lattice parameter of copper and aluminium differs greatly, but copper can be dissolved in aluminium, and after therefore adding copper, make the dot matrix of aluminium that very large distortion occur, produce very significant strengthening effect, along with the raising of copper content, intensity sharply raises and unit elongation acutely declines.The present invention, for ensureing processing characteristics, needs more excellent unit elongation, is therefore controlled below 0.05% by the addition of copper.
Ferro element and titanium elements are as transition element, it is solid-solution in aluminium in equilibrium conditions hardly, and exist with the intermetallic compound of high-temperature stable high elastic coefficient disperse, from strengthening matrix and crystal boundary, make aluminium silicon magnesium system cast aluminium alloy have excellent high temperature comprehensive mechanical property.The iron that the present invention chooses, titanium elements content need Rational choice, can not infinitely expand its content, because the too high meeting of iron content causes foundry goods to crack, make foundry goods produce fragility, and titanium elements need to coordinate the effect that just can reach and strengthen aluminium alloy high-temperature behavior with ferro element.
Manganese element fusing point is 1244 DEG C.Manganese element in aluminium silicon magnesium system cast aluminium alloy, play two in effect, one be in and the deleterious effect of ferro element, ferro element is only played effect that namely its positive effect improves high-temperature behavior, therefore the proportioning of ferro element and manganese element is also choose the important references parameter of manganese element content; Two for improving the solidity to corrosion of aluminium silicon magnesium system cast aluminium alloy, and adding manganese element can refiner material tissue, improves recrystallization temperature, the thermotolerance of enhancing aluminium alloy.
Independent interpolation zinc element is very limited to the raising of intensity of aluminum alloy, also there is stress corrosion crack tendency, but zinc element and magnesium elements can form strengthening phase Mg/Zn2, can significantly improve tensile strength and the yield strength of alloy simultaneously.In order to weaken the deleterious effect of zinc element, utilize its advantageous effect, the mass percent of zinc element is usually less.The zinc element content that the present invention chooses is less than or equal to 0.07%.
The antimony element that the present invention is also added with 0.12%-0.16% to improve metallographic structure, the crystal grain thinning of aluminium alloy, improves toughness and the compactness of aluminium alloy as alterant element.
The impurity element mainly detrimental impurity such as carbon, sulphur element in above-mentioned aluminium silicon magnesium system cast aluminium alloy composition.
Another object of the present invention is the preparation method providing a kind of above-mentioned aluminium silicon magnesium system cast aluminium alloy, and the method comprises the following steps:
S1: batching: prepare burden according to the mass percent of above-mentioned each elemental composition;
S2: stir after melting;
S3: refinery by de-gassing, scarfing cinder;
S4: casting postheat treatment, thermal treatment comprises solution treatment and ageing treatment, and wherein solid solubility temperature is 500-540 DEG C, solution time 4-8 hour, and aging temp is 160-180 DEG C, aging time 4-8 hour.
In the preparation method of aluminium silicon magnesium system of the present invention cast aluminium alloy, by degassing process to eliminate the detrimentally affect of air-breathing and coarse grains in alloy casting process.The present invention is simultaneously also by adding oxygenant to reach the effect removed residue, reduce aluminium alloy pore, improve aluminium alloy toughness and compactness.Preferably, the present invention carries out refining by passing into nitrogen rotation degasification.
Solution treatment can improve plasticity and the toughness of alloy, and the ageing treatment after solution treatment can eliminate the internal stress of cast member, stabilizing tissue and size, improves mechanical property.Thermal treatment process can also make that the ferro element in aluminium alloy and titanium elements separate out a large amount of small and dispersed, highly stable under high temperature intermetallic compound simultaneously, thus improves the resistance to elevated temperatures of cast member.
Further, also comprise thermal analyses between step S2 and step S3 to check and the step adjusting grain refining degree.
The present invention adopts heat analysis method to detect the aluminium liquid liquid phase superfusion data after fusing and solid phase superfusion data judge crystal grain thickness according to those data, if crystal grain is too thick, then add Grain refiner material, such as, add the grain-refining agents such as boron titanium master alloy and carry out grain refining.
Further, in step S4, the solid solubility temperature of solution treatment is 540 DEG C, and solution time is 6 hours, and the aging temp of ageing treatment is 170 DEG C, and aging time is 6 hours.
Under aluminium silicon magnesium system of the present invention cast aluminium alloy hot conditions, under higher, the high-speed condition of performance mechanical property, machinability better, tensile strength reaches 300-330MPa, elongation 1%, yield strength RP0.2% can reach 249-270MPa, meets the mechanical property requirements under hot conditions.
Embodiment
Be below specific embodiments of the invention, technical scheme of the present invention is further described, but the present invention is not limited to these embodiments.
Table 1: the composition of embodiment 1-3 aluminium alloy and mass percent thereof
Embodiment one:
Batching: prepare burden according to the composition of embodiment in table 11.
Melting: during melting, first puts into crucible electrical resistance furnace by aluminium ingot and melts, add master alloy and stir after aluminium ingot melts completely.
Thermal analyses is checked and is adjusted grain refining degree.Namely adjusting grain refining degree after melting makes follow-up heat treating castings performance be guaranteed.
Refinery by de-gassing, scarfing cinder: in aluminium alloy solution, add oxygenant and be blown into nitrogen and carry out refining slagging-off.
Casting postheat treatment: thermal treatment comprises solution treatment and ageing treatment, and wherein solid solubility temperature is 500 DEG C, solution time 4 hours, and aging temp is 160 DEG C, aging time 4 hours.
The mechanical property of the cast member obtained through above-mentioned preparation method is in table one.
Embodiment two:
Batching: prepare burden according to the composition of embodiment in table 12.
Melting: during melting, first puts into crucible electrical resistance furnace by aluminium ingot and melts, add master alloy and stir after aluminium ingot melts completely.
Thermal analyses is checked and is adjusted grain refining degree.Namely adjusting grain refining degree after melting makes follow-up heat treating castings performance be guaranteed.
Refinery by de-gassing, scarfing cinder: in aluminium alloy solution, add oxygenant and be blown into nitrogen and carry out refining slagging-off.
Casting postheat treatment: thermal treatment comprises solution treatment and ageing treatment, and wherein solid solubility temperature is 540 DEG C, solution time 6 hours, and aging temp is 170 DEG C, aging time 6 hours.
The mechanical property of the cast member obtained through above-mentioned preparation method is in table one.
Embodiment three:
Batching: prepare burden according to the composition of embodiment in table 13.
Melting: during melting, first puts into crucible electrical resistance furnace by aluminium ingot and melts, add master alloy and stir after aluminium ingot melts completely.
Thermal analyses is checked and is adjusted grain refining degree.Namely adjusting grain refining degree after melting makes follow-up heat treating castings performance be guaranteed.
Refinery by de-gassing, scarfing cinder: in aluminium alloy solution, add oxygenant and be blown into nitrogen and carry out refining slagging-off.
Casting postheat treatment: thermal treatment comprises solution treatment and ageing treatment, and wherein solid solubility temperature is 540 DEG C, solution time 8 hours, and aging temp is 160 DEG C, aging time 8 hours.The mechanical property of the cast aluminium alloy obtained through above-mentioned preparation method is in table 2.
Table 2
In table 2, the Mechanical Properties of Aluminum Alloys of comparative example to be code name be ZL 101.ZL 101 aluminium alloy accepted standard is GB/T 1173-1995.
As can be seen from Table 2, the mechanical property of the aluminum alloy casting utilizing the present invention to obtain comparatively ZL 101 aluminium alloy improves a lot, meet the high temperature process requirement of aluminum alloy casting, especially can meet the mechanical property requirements of each part of automobile under the hot conditions produced at brake system of car.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (1)
1. an aluminium silicon magnesium system cast aluminium alloy, this aluminium alloy is grouped into by the one-tenth of following mass percent: Si:6.8%, Mg:0.80%, Fe:0.55%, Cu :≤0.05%, Zn :≤0.07%, Mn:0.45%, Sb:0.11%, Ti:0.15%, individual event impurity content≤0.03% in other impurity elements, impurity element total content≤0.1%, surplus is aluminium, wherein, the preparation method of described aluminium silicon magnesium system cast aluminium alloy comprises the following steps:
S1: batching: prepare burden according to the mass percent of above-mentioned each elemental composition;
S2: stir after melting;
S3: refinery by de-gassing, scarfing cinder;
S4: casting postheat treatment, thermal treatment comprises solution treatment and ageing treatment;
The solid solubility temperature of solution treatment in step S4 is 500 DEG C, solution time 4 hours; The aging temp of ageing treatment is 160 DEG C, aging time 4 hours.
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| CN103290277A (en) * | 2013-05-23 | 2013-09-11 | 宁国市锦泰高科铝业有限责任公司 | High-purity high-strength aluminum alloy for ship cooling system and preparation method thereof |
| CN104419853A (en) * | 2013-08-20 | 2015-03-18 | 烟台双诚机械有限公司 | Method for casting multiple unit motor end cover through special aluminum-magnesium alloy |
| CN104532036B (en) * | 2015-01-29 | 2016-06-29 | 吉泽升 | A kind of preparation method adopting automobile waste aluminum component regeneration extrusion casint dedicated aluminium alloy |
| CN108103369B (en) * | 2018-03-08 | 2020-10-09 | 沈阳航空航天大学 | High-manganese high-magnesium Al-Si casting alloy and preparation method thereof |
| CN108546855A (en) * | 2018-05-09 | 2018-09-18 | 合肥汇之新机械科技有限公司 | A kind of High thermal conductivity cast aluminium alloy and preparation method thereof |
| CN111996419A (en) * | 2020-08-25 | 2020-11-27 | 吉林大学 | Iron-containing hypoeutectic aluminum-silicon alloy and preparation method thereof |
| CN113604714A (en) * | 2021-09-28 | 2021-11-05 | 润星泰(常州)技术有限公司 | Preparation method of battery module end plate for new energy vehicle, battery module and end plate |
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| KR100256760B1 (en) * | 1995-10-12 | 2000-05-15 | 정몽규 | Aluminium alloy for automobile frame |
| JP2001316787A (en) * | 2000-05-08 | 2001-11-16 | Kyushu Mitsui Alum Kogyo Kk | METHOD FOR PRODUCING HALF-MELTED BILLET OF Al ALLOY FOR TRANSPORTING MACHINE |
| JP2009024265A (en) * | 2001-07-25 | 2009-02-05 | Showa Denko Kk | Aluminum alloy and aluminum and aluminum alloy material having excellent machinability |
| CN102312137A (en) * | 2011-09-09 | 2012-01-11 | 中兴通讯股份有限公司 | Aluminum-silicon-magnesium casted aluminum alloy and casting process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100256760B1 (en) * | 1995-10-12 | 2000-05-15 | 정몽규 | Aluminium alloy for automobile frame |
| JPH11241135A (en) * | 1998-02-26 | 1999-09-07 | Hitachi Metals Ltd | Aluminum alloy for casting |
| JP2001316787A (en) * | 2000-05-08 | 2001-11-16 | Kyushu Mitsui Alum Kogyo Kk | METHOD FOR PRODUCING HALF-MELTED BILLET OF Al ALLOY FOR TRANSPORTING MACHINE |
| JP2009024265A (en) * | 2001-07-25 | 2009-02-05 | Showa Denko Kk | Aluminum alloy and aluminum and aluminum alloy material having excellent machinability |
| CN102312137A (en) * | 2011-09-09 | 2012-01-11 | 中兴通讯股份有限公司 | Aluminum-silicon-magnesium casted aluminum alloy and casting process thereof |
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