CN110129597A - A kind of shock resistance structure 6XXX containing zirconium line aluminium alloy and preparation method thereof - Google Patents
A kind of shock resistance structure 6XXX containing zirconium line aluminium alloy and preparation method thereof Download PDFInfo
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- CN110129597A CN110129597A CN201910436042.2A CN201910436042A CN110129597A CN 110129597 A CN110129597 A CN 110129597A CN 201910436042 A CN201910436042 A CN 201910436042A CN 110129597 A CN110129597 A CN 110129597A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
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- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- 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
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- 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
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Abstract
The invention discloses a kind of shock resistance structure 6XXX containing zirconium line aluminium alloys and preparation method thereof, Si including ingredient 0.6-0.8%, the Fe of < 0.35%, the Cu of 0.15-0.25%, the Mn of 0.1-0.15%, the Mg of 0.8-0.9%, the Cr of < 0.1%, the Zn of < 0.15%, the Zr of the Ti of < 0.1%, 0.12-0.17%, every kind of < of inevitable impurity element 0.05%, and inevitable impurity element total amount < 0.15%, surplus is aluminium.The present invention has higher thermal stability, and the intensity failure after being highly resistant to heat exposure is common to the position of car body impact resistant.
Description
Technical field
The present invention relates to non-ferrous metal technical fields, are in particular a kind of shock resistance structure 6XXX containing zirconium line aluminium alloys
And preparation method thereof.
Background technique
In modern age automobile to exhaust gas (CO2) discharge limits and the persistently requirement of reduction energy consume, constantly promote automobile factory
Quotient quickly strides forward to lightweight direction.The most rapid approach of automotive light weight technology is wherein considered for steel with aluminium.Vehicle shell in full aluminium automobile,
Car body generally successfully uses aluminum alloy rolling plate, but it is less wherein to be compared using the structural member of aluminum alloy extrusion section bar, mainly
Such as battery frame of collision prevention girders, energy-absorption box, threshold body structural member and electric car.Such structure material in addition to must have compared with
Outside high mechanical performance, it is still necessary to good impact resistance fragmentation, corrosion resistance, heat resistanceheat resistant debilitating and easily formings, easy weldability, especially
It keeps not tearing and capable of largely absorbing impact energy in car crass to have the function that protect passenger's body life safety.In Europe
Industrially developed country largely uses the 6XXX such as ENAW-6082 and ENAW-6005A line aluminium alloy as the material of industrial products.
But these material alloys compositional ranges have been unable to satisfy modern automobile industry using material, and especially major automobile factory has devised
The MAT'L specification of a set of assessment material and performance indexes, such as AUDI-TL116, BMW-WS02003 and DAMLER-
DML4919.And each material supplier develops more suitable material more wholeheartedly to meet the requirement of major automobile factory, therefore makes
ENAW-6082, ENAW-6005A of formula, which have been excluded, to be selected except ranks, the numerous and confused ENAW-6082 for using correction,
ENAW-6005A such as ENAW-6082 add Cr, plus Cu and ENAW-6005A add the materials such as V (6008) reach higher impact resistance,
High energy-absorbing, heat resistanceheat resistant failure characteristic.And ageing treatment is more changed to by the higher spike timeliness T6 processing of tensile strength to improve surrender
Overaging T7 based on intensity handles to increase ductility in favor of by quasi-static axial crushing test therein.German Audi
Automobile proposes that AUDI-TL116 MAT'L specification is distinctly claimed the aluminum alloy materials of different brackets yield strength, except the room temperature that must have
And the mechanical property requirements after heat exposure:
Short cycle heating: 205 DEG C of * 1hr long period heating: special section has also been devised for test in 150 DEG C of * 1000hrs
Profile necessarily be formed after crushing test such as accordion rule fold, can not fragmentation.
Furthermore Audi more promotes test section material section to three chambers, three walls from " day " font material of the single wall thickness of two-chamber
Thick " product " font material, conquassation test specific steps and requires as follows: 300mm long profiles both ends are cut flat with, cutting precision ±
It within 0.5 °, places vertically between upper and lower two horizontal plates, must not fix or guide, with the compression speed of 100mm/min by type
Material be pressed onto after surplus 100mm profile must rule fold, there is not allowed that rupture and serious tangerine peel, but allow initial crack 15mm with
It is interior.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of shock resistance structure 6XXX containing zirconium line aluminium alloy and its preparations
Method, the present invention have higher thermal stability, and the intensity failure after being highly resistant to heat exposure is worthy to be popularized and applies.
In order to achieve the above object, the present invention replaces Cr, Mn with Zr, inhibit on the basis of AA-6061 alloy as recrystallization
Agent, and be achieved by the following technical programs: a kind of shock resistance structure 6XXX containing zirconium line aluminium alloy, including ingredient 0.6-
The Mg's of the Mn of the Cu of the Fe of 0.8% Si, < 0.35%, 0.15-0.25%, 0.1-0.15%, 0.8-0.9%, < 0.1%
The Zr of the Ti of the Zn of Cr, < 0.15%, < 0.1%, 0.12-0.17%, every kind of < of inevitable impurity element 0.05%, and not
It can avoid impurity element total amount < 0.15%, surplus is aluminium.
Further, the preparation method includes:
Stock: with pure metallic aluminum, magnesium, copper, Al-Si intermediate alloy, Al-Zr intermediate alloy, manganese agent, the agent of titanium boron, titanium boron wire
Prepare according to alloy composition ingredient.
Founding: will prepare raw material investment heat accumulating type natural gas aluminium melting furnace and carry out melting, first addition metal fine aluminium, Al-Si,
Al-Zr intermediate alloy after fusing, adds metallic copper；It is warming up to 750 DEG C~760 DEG C addition manganese agent, chromium agent and pure metal magnesium,
It waits after these metals stir evenly and sufficiently melt, is warming up to 750 DEG C~760 DEG C using particles slagging-off, degasifier and high-purity argon
Gas disposal molten aluminum 10~15 minutes, and stand and cast after twenty minutes.Casting Equipment is the casting of semicontinuous vertical automatic hydraulic
Machine, for cast temperature at 730 DEG C~740 DEG C, Al-Ti-B refinement crystal grain are added in whole process, and double with chute rotator type and double-box type
Dehydrogenation on weight line is cast into Φ 203mm finally by after the dual ceramic filter of 30&50PPI with 8 inches of same level hot-die casting disks
Stick.
Homogenization Treatments: carrying out Homogenization Treatments with gas-fired heater, after keeping the temperature 8~10 hours at 550 DEG C~560 DEG C again
Go to cooling furnace strong wind cooling.
It squeezes: the long stick after Homogenization Treatments being cut into the stub of 500-700mm, is heated to directly-firing gas furnace
510 DEG C of immigrations, 2200 tonnes of forward extrusion machines, with extrusion ratio 25.3,1.5~2.5mm/s of master cylinder speed squeezes out profile.
Press quenching: section bar extrusion outlet keeps temperature to reach 520 DEG C~545 DEG C, and freshly extruded profile is passed through sink
Hardening is on progress line to reach material T4 solution treatment effect.
Ageing treatment: by treated, profile carries out spike ageing treatment and overaging after room temperature is parked 48 hours respectively
Processing.
Further, spike aging temperature is 175 DEG C in the step f, and constant temperature is kept for 8 hours, at overaging
Managing temperature is that 190 DEG C~210 DEG C constant temperature are kept for 4-7 hours.
Further, the tensile strength after the manufactured alloy spike timeliness, overaging and short cycle heating needs not
Less than 305Mpa, yield strength after spike timeliness, overaging and short cycle heating need to be between 281-320Mpa, when spike
Elongation percentage after effect, overaging and short cycle heating need to be not less than 10%, and in addition the yield strength after long period heats is not small
In 265Mpa, to meet the MAT'L specification demand of Adui TL116-C28.
Further, the manufactured aluminium alloy is common to the position of car body impact resistant.
The present invention provides a kind of shock resistance structure 6XXX containing zirconium line aluminium alloys and preparation method thereof, have following beneficial to effect
Fruit:
The present invention has higher thermal stability, and the intensity failure after being highly resistant to heat exposure is worthy to be popularized and applies.
Detailed description of the invention
Fig. 1 is alloy extrusion of the present invention into the cross section before the conquassation test of three chambers, three thickness profile；
Fig. 2 is profile conquassation test passes exemplar after ENAW-6082 comparative alloy ageing treatment；
Fig. 3 is profile conquassation test failure exemplar after AA-6061 comparative alloy ageing treatment；
Fig. 4 is profile conquassation test passes exemplar after alloy aging of the present invention processing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution: a kind of shock resistance structure 6XXX containing zirconium line aluminium alloy, including ingredient 0.6-
The Mg's of the Mn of the Cu of the Fe of 0.8% Si, < 0.35%, 0.15-0.25%, 0.1-0.15%, 0.8-0.9%, < 0.1%
The Zr of the Ti of the Zn of Cr, < 0.15%, < 0.1%, 0.12-0.17%, every kind of < of inevitable impurity element 0.05%, and not
It can avoid impurity element total amount < 0.15%, surplus is aluminium.
The preparation method includes:
Stock: with pure metallic aluminum, magnesium, copper, Al-Si intermediate alloy, Al-Zr intermediate alloy, manganese agent, the agent of titanium boron, titanium boron wire
Prepare according to alloy composition ingredient.
Founding: will prepare raw material investment heat accumulating type natural gas aluminium melting furnace and carry out melting, first addition metal fine aluminium, Al-Si,
Al-Zr intermediate alloy after fusing, adds metallic copper；It is warming up to 750 DEG C~760 DEG C addition manganese agent and pure metal magnesium, waits these
After metal is stirred evenly and sufficiently melted, it is warming up to 750 DEG C~760 DEG C and is handled using particle slagging-off, degasifier and high-purity argon gas
Molten aluminum 10~15 minutes, and stand and cast after twenty minutes.Casting Equipment is semicontinuous vertical automatic hydraulic casting machine, casting
Temperature is at 730 DEG C~740 DEG C, and Al-Ti-B refinement crystal grain are added in whole process, and to remove on chute rotator type and double-box type doublet
Hydrogen is cast into Φ 203mm stick finally by after the dual ceramic filter of 30&50PPI with 8 inches of same level hot-die casting disks.
Homogenization Treatments: carrying out Homogenization Treatments with gas-fired heater, after keeping the temperature 8~10 hours at 550 DEG C~560 DEG C again
Go to cooling furnace strong wind cooling.
It squeezes: the long stick after Homogenization Treatments being cut into the stub of 500-700mm, is heated to directly-firing gas furnace
510 DEG C of immigrations, 2200 tonnes of forward extrusion machines, with extrusion ratio 25.3,1.5~2.5mm/s of master cylinder speed squeezes out profile.
Press quenching: section bar extrusion outlet keeps temperature to reach 520 DEG C~545 DEG C, and freshly extruded profile is passed through sink
Hardening is on progress line to reach material T4 solution treatment effect.
Ageing treatment: by treated, profile carries out spike ageing treatment and overaging after room temperature is parked 48 hours respectively
Processing.
Embodiment 1:
A. it stocks up: alloy component range according to the present invention, with pure metallic aluminum, magnesium, copper, Al-Si intermediate alloy, in Al-Zr
Between alloy, manganese agent, the agent of titanium boron, titanium boron wire, according to the Si of ingredient 0.71%, 0.16% Fe, 0.21% Cu, 0.13% Mn,
0.83 Mg, 0.017% Cr, 0.02% Zn, 0.03% Ti, 0.15% Zr, every kind of < of inevitable impurity element
0.05%, and inevitable impurity element total amount < 0.15%, surplus are the preparation of aluminium composition ingredient.
B. founding: raw material investment heat accumulating type natural gas aluminium melting furnace will be prepared and carry out melting, metal fine aluminium, Al- is first added
Si, Al-Zr intermediate alloy after fusing, add metallic copper；It is warming up to 750 DEG C~760 DEG C addition manganese agent and pure metal magnesium, is waited
After these metals are stirred evenly and sufficiently melted, 750 DEG C~760 DEG C are warming up to using particle slagging-off, degasifier and high-purity argon gas
Processing molten aluminum 10~15 minutes, and stand and cast after twenty minutes.Casting Equipment is semicontinuous vertical automatic hydraulic casting machine,
Cast temperature is at 730 DEG C~740 DEG C, and Al-Ti-B refinement crystal grain are added in whole process, and with chute rotator type and double-box type doublet
Upper dehydrogenation is cast into Φ 203mm stick finally by after the dual ceramic filter of 30&50PPI with 8 inches of same level hot-die casting disks.
C. Homogenization Treatments: Homogenization Treatments are carried out with gas-fired heater, after 550 DEG C~560 DEG C keep the temperature 8~10 hours
Cooling furnace strong wind cooling is gone to again.
D. it squeezes: the long stick after Homogenization Treatments being cut into the stub of 500-700mm, with directly-firing gas furnace heat temperature raising
To 510 DEG C of immigrations, 2200 tonnes of forward extrusion machines, with extrusion ratio 25.3,1.5~2.5mm/s of master cylinder speed squeezes out profile.
E. press quenching: section bar extrusion outlet keeps temperature to reach 520 DEG C~545 DEG C, and freshly extruded profile is passed through water
Hardening is on slot progress line to reach material T4 solution treatment effect.
F. ageing treatment: will treated profile carries out respectively after room temperature is parked 48 hours spike ageing treatment and out-of-date
Effect processing.
G. detect: the profile that Wetted constructures are completed requires to heat respectively with the short cycle of 205 DEG C of * 1hr according to TL116
And room temperature Measuring Mechanical Properties are carried out after the long period heating of 150 DEG C of * 1000hrs.
Tensile strength after alloy spike timeliness, overaging made of respectively obtaining, short cycle heating and long period heating
Respectively 331Mpa, 323Mpa, 322Mpa and 314Mpa, after spike timeliness, overaging, short cycle heating and after long period heating
Yield strength be respectively 309Mpa, 292Mpa, 291Mpa and 279Mpa, it is after spike timeliness, overaging, short cycle heating and long
Elongation percentage after period heating is respectively 13%, 13.7%, 14.2% and 16.3%, meets Adui TL116-C28's
MAT'L specification demand.
Comparative example 1:
Test is compared according to ENAW-6082 material requirements production material, is stocked up: with pure metallic aluminum, magnesium, in Al-Si
Between alloy, manganese agent, titanium boron agent, titanium boron wire, according to the Si of ingredient 0.91%, 0.14% Fe, 0.03% Cu, 0.72% Mn,
0.76 Mg, 0.01% Cr, 0.02% Zn, 0.03% Ti, every kind of < of inevitable impurity element 0.05%, and can not
Impurity element total amount < 0.15% is avoided, surplus is aluminium.Implemented further in accordance with the same steps b-g of embodiment 1, is respectively obtained
Manufactured alloy spike timeliness, overaging, short cycle heating after and long period heating after tensile strength be respectively 335Mpa,
302Mpa, 296Mpa and 245Mpa, the yield strength point after spike timeliness, overaging, short cycle heating and after long period heating
Not Wei 316Mpa, 271Mpa, 266Mpa and 199Mpa, spike timeliness, overaging, short cycle heating after and long period heating after
Elongation percentage is respectively 14.3%, 14.7%, 16.9% and 18.5%.
Comparative example 2:
Test is compared according to AA6061 material requirements production material, is stocked up: with pure metallic aluminum, magnesium, copper, in Al-Si
Between alloy, chromium agent, titanium boron agent, titanium boron wire, according to the Si of ingredient 0.6%, 0.14% Fe, 0.23% Cu, 0.02% Mn,
0.92 Mg, 0.05% Cr, 0.02% Zn, 0.03% Ti, every kind of < of inevitable impurity element 0.05%, and can not
Impurity element total amount < 0.15% is avoided, surplus is the preparation of aluminium composition ingredient.It is carried out further in accordance with the identical step b-g of embodiment 1
Implement, respectively obtain made of tensile strength point after alloy spike timeliness, overaging, short cycle heating and after long period heating
Not Wei 321Mpa, 309Mpa, 308Mpa and 296Mpa, spike timeliness, overaging, short cycle heating after and long period heating after
Yield strength is respectively 284Mpa, 279Mpa, 278Mpa and 270Mpa, and after spike timeliness, overaging, short cycle heating and length is all
Elongation percentage after phase heating is respectively 14.5%, 17.8%, 18.1% and 18.2%.
Data comparison is carried out in conjunction with above-described embodiment, such as table:
Alloy of the present invention and the comparative alloy composition table of comparisons: (unit %)
Each state mechanical performance of isosceles triangle profile and TL116-C28 require the table of comparisons after test:
TL116-C28 profile each state machine of the three kinds of alloy profiles of above embodiments and comparative example according to " background technique "
Tool performance requirement and TL116 conquassation test specific steps respectively obtain after carrying out conquassation test with requirement to draw a conclusion: to sum up institute
It states, mechanical performance of the aluminum alloy extrusion section bar of the present invention under each state is in accordance with the requirement of TL116-C28.Alloy of the present invention
The Chinese character pin-shaped material of embodiment can rule folding and smooth careful, each corner of fold surface after conquassation test according to TL116 requirement condition
Coarse corrugation is had no at S type folding.All initial cracks can be controlled within 15mm be fully achieved TL116 to conquassation test want
It asks；
Although conquassation test request of the ENAW-6082 alloy extrudate also by TL116, its short week in comparative example 1
Yield strength drops to 266 Mpa and 199Mpa respectively after phase and long period heating cannot meet TL116-C28 yield strength
The requirement of 281Mpa or more and 265Mpa or more, thermal stability is poor and heat exhaustion is obvious；
AA-6061 alloy extrudate in comparative example 2, the extrudate with the ENAW-6082 of comparative example 1 is on the contrary, its is short
Yield strength is respectively 278Mpa and 270Mpa after period and long period heating, although thermal stability can be with, heat exhaustion is unobvious,
But fragmentation is serious after conquassation test, it is difficult to meet requirement of the TL116 to conquassation test.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of shock resistance structure 6XXX containing zirconium line aluminium alloy, the Fe of the Si including ingredient 0.6-0.8%, < 0.35%, 0.15-
The Ti of the Zn of the Cr of the Mg of the Mn of 0.25% Cu, 0.1-0.15%, 0.8-0.9%, < 0.1%, < 0.15%, < 0.1%,
The Zr of 0.12-0.17%, every kind of < of inevitable impurity element 0.05%, and inevitable impurity element total amount < 0.15%,
Surplus is aluminium.
2. a kind of preparation method of shock resistance structure 6XXX containing zirconium line aluminium alloy, it is characterised in that: the preparation method includes:
A. stock up: with pure metallic aluminum, magnesium, copper, Al-Si intermediate alloy, Al-Zr intermediate alloy, manganese agent, the agent of titanium boron, titanium boron wire according to
Alloy composition ingredient prepares.
B. founding: will prepare raw material investment heat accumulating type natural gas aluminium melting furnace and carry out melting, first addition metal fine aluminium, Al-Si,
Al-Zr intermediate alloy after fusing, adds metallic copper；It is warming up to 750 DEG C~760 DEG C addition manganese agent and pure metal magnesium, waits these
After metal is stirred evenly and sufficiently melted, it is warming up to 750 DEG C~760 DEG C and is handled using particle slagging-off, degasifier and high-purity argon gas
Molten aluminum 10~15 minutes, and stand and cast after twenty minutes.Casting Equipment is semicontinuous vertical automatic hydraulic casting machine, casting
Temperature is at 730 DEG C~740 DEG C, and Al-Ti-B refinement crystal grain are added in whole process, and to remove on chute rotator type and double-box type doublet
Hydrogen is cast into Φ 203mm stick finally by after the dual ceramic filter of 30&50PPI with 8 inches of same level hot-die casting disks.
C. Homogenization Treatments: carrying out Homogenization Treatments with gas-fired heater, turns again after keeping the temperature 8~10 hours at 550 DEG C~560 DEG C
To cooling furnace strong wind cooling.
D. it squeezes: the long stick after Homogenization Treatments being cut into the stub of 500-700mm, is heated to directly-firing gas furnace
510 DEG C of immigrations, 2200 tonnes of forward extrusion machines, with extrusion ratio 25.3,1.5~2.5mm/s of master cylinder speed squeezes out profile.
E. press quenching: section bar extrusion outlet keeps temperature to reach 520 DEG C~545 DEG C, by freshly extruded profile pass through sink into
Hardening is on line to reach material T4 solution treatment effect.
F. ageing treatment: will treated that profile carries out at spike ageing treatment and overaging respectively after room temperature is parked 48 hours
Reason.
3. a kind of preparation method of shock resistance structure 6XXX containing zirconium line aluminium alloy according to claim 2, it is characterised in that:
Spike aging temperature is 175 DEG C in the step f, and constant temperature is kept for 8 hours, and Wetted constructures temperature is 190 DEG C~210
DEG C constant temperature is kept for 4-7 hours.
4. a kind of preparation method of shock resistance structure 6XXX containing zirconium line aluminium alloy according to claim 2, it is characterised in that:
Tensile strength after alloy spike timeliness made of described, overaging and short cycle heating is needed not less than 305Mpa, when spike
Yield strength after effect, overaging and short cycle heating need to be between 281-320Mpa, and spike timeliness, overaging and short cycle add
Elongation percentage after heat need to be not less than 10%, and in addition the yield strength after long period heats is not less than 265Mpa, need to meet Audi
The MAT'L specification demand of automobile TL116-C28.
5. a kind of shock resistance structure 6XXX containing zirconium line aluminium alloy according to claim 1, it is characterised in that: made of described
Aluminium alloy is common to the position of car body impact resistant.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111041294A (en) * | 2019-12-31 | 2020-04-21 | 辽宁忠旺集团有限公司 | 6-series low alloy composition with high long-term thermal stability and preparation method thereof |
| CN111440972A (en) * | 2020-05-29 | 2020-07-24 | 台山市金桥铝型材厂有限公司 | 6000 series aluminum alloy with high long-term thermal stability and preparation method thereof |
| CN112281031A (en) * | 2020-10-30 | 2021-01-29 | 辽宁忠旺集团有限公司 | Al-Mg-Si series multi-element aluminum alloy plate and preparation method thereof |
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| JP2003221636A (en) * | 2002-01-29 | 2003-08-08 | Aisin Keikinzoku Co Ltd | Al-Mg-Si ALUMINUM ALLOY EXTRUSION MOLDED MATERIAL SHOWING EXCELLENT RESISTANCE TO IMPACT FRACTURE |
| US20100047114A1 (en) * | 2008-08-21 | 2010-02-25 | Aisin Keikinzoku Co., Ltd. | Al-Mg-Si ALUMININUM ALLOY EXTRUDED PRODUCT EXHIBITING EXCELLENT FATIGUE STRENGTH AND IMPACT FRACTURE RESISTANCE |
| CN103975085A (en) * | 2012-02-02 | 2014-08-06 | 株式会社神户制钢所 | Forged aluminum alloy material and method for producing same |
| CN104745902A (en) * | 2013-12-30 | 2015-07-01 | 鼎镁（昆山）新材料科技有限公司 | High strength Al-Mg-Si-Cu alloy for bicycles and processing technology thereof |
| CN106399773A (en) * | 2016-11-28 | 2017-02-15 | 安徽省煜灿新型材料科技有限公司 | High-strength and high-toughness aluminum alloy profile |
| CN108220716A (en) * | 2018-01-22 | 2018-06-29 | 合肥工业大学 | A kind of Al-Mg-Si-Cu-Zr-Er alloys with excellent stamping formabilily and preparation method thereof |
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| CN111041294B9 (en) * | 2019-12-31 | 2021-03-12 | 辽宁忠旺集团有限公司 | 6-series low alloy composition with high long-term thermal stability and preparation method thereof |
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