CN110396629A - A kind of 800MPa grades of aluminum alloy extrusion section bar and preparation method thereof - Google Patents
A kind of 800MPa grades of aluminum alloy extrusion section bar and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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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
- C22F1/053—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 zinc as the next major constituent
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Abstract
A kind of 800MPa grades of aluminum alloy extrusion section bar and preparation method thereof.The invention belongs to technical field of metal material, there is provided a kind of 800MPa grades of aluminum alloy extrusion section bars of large scale that can be used for semi-continuous casting method preparation, count by weight percentage ingredient are as follows: Zn 9.0~12.5%, Mg 2.5~3.5%, Cu 0.8~1.5%, Zr 0.08~0.15%, Sc 0.05~0.25%, Fe≤0.10%, Si≤0.10%, other impurity are single≤and 0.05%, total amount≤0.15%, surplus Al.By alloying component ingredient, by melting sources, after furnace refining, standing, the alloy pig of required specification is poured into using semi-continuous casting method；The processing of three-level homogenization process and extrusion process forming are carried out, extrudate thickness is not less than 40mm, and width is not less than 150mm, after heat treatment available.Novel aluminum alloy extrudate microscopic structure of the invention is uniform, performance is stablized, and for L to tensile strength up to 800MPa or more, yield strength reaches 750MPa, and elongation percentage is higher than 8%；For LT to tensile strength up to 750MPa, yield strength reaches 700MPa, and elongation percentage is higher than 6%, and the profile of preparation can be widely applied to the fields such as Aeronautics and Astronautics, nuclear industry, communications and transportation, weapons.
Description
Technical field
The invention belongs to technical field of metal material, are related to a kind of aluminum alloy extrusion section bar, and in particular to a kind of semicontinuous
800MPa grades of aluminum alloy extrusion section bars of large scale of casting preparation.
Background technique
Demand with the following weaponry to Superlight, low cost is increasingly urgent to, and high-intensitive aluminum alloy materials need
Ask increasingly strong.The country has already appeared the 800MPa grades of aluminium alloys of small size and powder manufactured using semi-continuous casting technology at present
Metallurgical technology manufactures 800MPa grades of aluminium alloy.Small size 800MPa aluminium alloy is answered since size limitation is not able to satisfy weaponry
With；The ultra-high-strength aluminum alloy of powder metallurgic method preparation is limited due to cost, it is difficult to industrial applications.The stable use of performance partly connects
800MPa grades of low-cost aluminum alloys of large scale of continuous casting preparation are led in Aeronautics and Astronautics, nuclear industry, communications and transportation, weapons etc.
Domain has broad application prospects.
The ultra-high-strength aluminum alloy of industrial applications is 600MPa grades of aluminium alloys at present, mainly there is 7150 aluminium alloy (Al-
7.6%Zn-1.8%Mg-2.0%Cu-0.10%Zr), 7055 aluminium alloy (Al-8%Zn-2.0%Mg-2.2%Cu-0.10%
Zr) etc..The present invention is a kind of preparation method of 800MPa grades of aluminium alloy, and 600MPa grades of aluminium alloys of substitution are imitated with significant loss of weight
Fruit.
Summary of the invention
The purpose of the present invention is: the application for existing weapons loss of weight demand is practical and provides a kind of 800MPa grades of aluminium alloy
Profile and preparation method thereof.
To solve this technical problem, the technical scheme is that
In a first aspect, provide a kind of 800MPa grades of aluminum alloy extrusion section bar, alloy meter containing weight percent it is following
Chemical component: Zn 9.0~12.5%, Mg 2.5~3.5%, Cu 0.8~1.5%, Fe≤0.10%, Si≤0.10%,
Its impurity is single≤and 0.05%, total amount≤0.15%, surplus Al.
Increase 1~2 kind of Zr, Sc, weight percent in the chemical component of the alloy are as follows: Zr0.08~
0.15%, Sc 0.05~0.25%.
On the other hand, a kind of preparation method of 800MPa grades of aluminum alloy extrusion section bar is provided comprising the steps of:
Step 1: by the chemical component and weight percent requirement ingredient of alloy, founding obtains semicontinuous ingot casting, ingot casting ruler
It is very little
Step 2: semicontinuous ingot casting is subjected to the processing of three-level homogenization process, it is specific as follows:
First order homogenization temperature is 390~410 DEG C, soaking time 20~for 24 hours；Second level homogenization temperature be 460~
470℃；Soaking time 15~for 24 hours；Third level homogenization temperature is 470 DEG C~478 DEG C, soaking time 15~for 24 hours, and always when heat preservation
Between 50h or more；
Step 3: carrying out hot extrusion after ingot casting after homogenization is stripped off the skin, extrusion ratio control is finally squeezed 20 or more
Profile thickness is not less than 40mm, and width is not less than 150mm；
Step 4: profile is through solid solution, aging strengthening model.
Preferably, the step 2 starts in 3h after step 1 founding.Ingot casting in placement process is avoided to crack.
The process of founding described in step 1 is specific as follows:
(1) it is melted in smelting furnace, fusion temperature is 700~780 DEG C；
(2) metal after being completely melt is refined, metal temperature maintains within the scope of 690~730 DEG C when refining；
(3) sufficient standing is carried out after refining, time of repose is no less than 30min；
(4) start to cast after sufficient standing, 690~700 DEG C of cast temperature, 15~22mm/min of casting rate, casting pressure
0.03~0.08MPa of power.
After step two homogenization, furnace cooling is cooled to 150 DEG C hereinafter, coming out of the stove air-cooled.
Preferably, parameter during step 3 hot extrusion technique are as follows: 350~375 DEG C of blank temperature, extrusion speed 1m~
4m/min。
Preferably, solid solution uses double_stage guide in step 4, and first order solid solubility temperature is 455~460 DEG C, second level solid solution
Temperature are as follows: 465~477 DEG C.
Preferably, timeliness uses peak value timeliness, technique are as follows: 90~125 DEG C of 10~72h of heat preservation in step 4.
The beneficial effects of the present invention are:
The profile size thickness prepared by the method for the invention is not less than 40mm, and width is not less than 150mm, this kind of material L
To tensile strength up to 800MPa or more, yield strength reaches 750MPa, and elongation percentage is higher than 8%；LT is reachable to tensile strength
750MPa, yield strength reach 700MPa, and elongation percentage is higher than 6%.The profile substitutes 600MPa grade 7150,7055 aluminium alloy losss of weight effect
Rate reaches 20% or more, has broad application prospects.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the skill in embodiment
Art scheme is clearly and completely described.Obviously, described embodiment is a part of the embodiments of the present invention, rather than complete
Portion's embodiment.Based on the embodiments of the present invention, those skilled in the art are in the premise for not making creative work
Under, every other embodiment obtained shall fall within the protection scope of the present invention.
The feature of the various aspects of the embodiment of the present invention is described more fully below.In the following detailed description, it proposes
Many concrete details, so as to complete understanding of the present invention.But for those of ordinary skill in the art, very bright
Aobvious, the present invention can also be implemented in the case where not needing these details.Below to the description of embodiment
Just for the sake of being better understood by showing example of the invention to the present invention.The present invention is not limited to presented below any
Specific setting and method, but cover all product structures covered without departing from the spirit of the invention, method
Any improvement, replacement etc..
In the following description, well known structure and technology is not shown, causes unnecessary mould to avoid to the present invention
Paste.
Embodiment 1:
The step of preparation process of alloy is as follows:
(1) alloy proportion is Zn:9.0%, Mg:2.5%, Cu:0.8%；By above-mentioned weight percent ingredient, use
99.99% smart Al ingot, pure Zn ingot, pure Mg ingot, Al-Cu intermediate alloy；
(2) it is melted in smelting furnace, fusion temperature is 700~780 DEG C；
(3) refining agent is added to the metal after being completely melt to be stirred continuously and refine, refining is conducted batch-wise, gold when refining
Belong to temperature to maintain within the scope of 690~750 DEG C；
(4) vacuum is stood after refining, and is evacuated to 1000~1200Pa, 30~35min of time of repose；
(5) start to cast after sufficient standing, fine aluminium bottoming thickness is not less than 100mm, 690~700 DEG C of cast temperature, casts
15~22mm/min of speed, casting pressure control is in 0.03~0.08MPa；
(6) casting obtains semicontinuous ingot casting, cast ingot dimension
(7) Homogenization Treatments are carried out to ingot casting in 3h after founding；
(8) three-level homogenization process is used to ingot casting,Ingot homogenization technique are as follows: first order homogenization temperature
Degree is 390 DEG C, soaking time 20h；Second level homogenization temperature is 460 DEG C；Soaking time 15h；Third level homogenization temperature is
470 DEG C, soaking time 15h；
(9) after homogenizing, furnace cooling is cooled to 150 DEG C hereinafter, coming out of the stove air-cooled；
(10) ingot casting after homogenization is stripped off the skin, ingot diameters after stripping off the skin
(11) selection mold carries out hot extrusion, extrusion ratio 20,40 × 150mm of die size to ingot casting；
(12) in extrusion process, 360 DEG C of ingot casting initial heating temperature, ingot casting temperature control is 350~375 in extrusion process
DEG C, extrusion speed is controlled in 1m~4m/min；
(13) extrudate is dissolved system through double_stage guide are as follows: and first order solid solubility temperature is 455 DEG C, soaking time 2h, the
Second level solid solubility temperature are as follows: 470 DEG C, soaking time 4h；
(14) extrudate is heat-treated through peak timeliness, holding temperature: 90 DEG C, 72h is kept the temperature, it is air-cooled with furnace.
The room temperature tensile properties for the profile that embodiment 1 obtains are as shown in table 1 below, wherein σbFor tensile strength, σ0.2It is in the wrong
Intensity is taken, δ is elongation percentage.
Table 1
Embodiment 2:
(1) alloy proportion is Zn:10.5%, Mg:3.0%, Cu:1.1%, Zr:0.11%；Match by above-mentioned weight percent
Material, using 99.99% smart Al ingot, pure Zn ingot, pure Mg ingot, Al-Cu intermediate alloy, Al-Zr intermediate alloy；
(2) it is melted in smelting furnace, fusion temperature is 700~780 DEG C；
(3) refining agent is added to the metal after being completely melt to be stirred continuously and refine, refining is conducted batch-wise, gold when refining
Belong to temperature to maintain within the scope of 690~750 DEG C；
(4) vacuum is stood after refining, and is evacuated to 1000~1200Pa, 30~35min of time of repose；
(5) start to cast after sufficient standing, fine aluminium bottoming thickness is not less than 100mm, 690~700 DEG C of cast temperature, casts
15~22mm/min of speed, casting pressure control is in 0.03~0.08MPa；
(6) casting obtains semicontinuous ingot casting, cast ingot dimension
(7) Homogenization Treatments are carried out to ingot casting in 3h after founding；
(8) three-level homogenization process is used to ingot casting,Ingot homogenization technique are as follows: first order homogenization temperature
Degree is 400 DEG C, soaking time 22h；Second level homogenization temperature is 465 DEG C；Soaking time 20h；Third level homogenization temperature is
474 DEG C, soaking time 20h；
(9) after homogenizing, furnace cooling is cooled to 150 DEG C hereinafter, coming out of the stove air-cooled；
(10) ingot casting after homogenization is stripped off the skin, ingot diameters after stripping off the skin
(11) selection mold carries out hot extrusion, extrusion ratio 25,45 × 175mm of die size to ingot casting；
(12) in extrusion process, 360 DEG C of ingot casting initial heating temperature, ingot casting temperature control is 350~375 in extrusion process
DEG C, extrusion speed is controlled in 1m~4m/min；
(13) extrudate is dissolved system through double_stage guide are as follows: and first order solid solubility temperature is 458 DEG C, soaking time 2h, the
Second level solid solubility temperature are as follows: 471 DEG C, soaking time 4h；
(14) extrudate is heat-treated through peak timeliness, holding temperature: 110 DEG C, 32h is kept the temperature, it is air-cooled with furnace.
The room temperature tensile properties for the profile that embodiment 2 obtains are as shown in table 2 below, wherein σbFor tensile strength, σ0.2It is in the wrong
Intensity is taken, δ is elongation percentage,
Table 2
Embodiment 3:
(1) alloy proportion is Zn:11.0%, Mg:3.0%, Cu:1.1%, Sc:0.15%；Match by above-mentioned weight percent
Material, using 99.99% smart Al ingot, pure Zn ingot, pure Mg ingot, Al-Cu intermediate alloy, Al-Zr intermediate alloy；
(2) it is melted in smelting furnace, fusion temperature is 700~780 DEG C；
(3) refining agent is added to the metal after being completely melt to be stirred continuously and refine, refining is conducted batch-wise, gold when refining
Belong to temperature to maintain within the scope of 690~750 DEG C；
(4) vacuum is stood after refining, and is evacuated to 1000~1200Pa, 30~35min of time of repose；
(5) start to cast after sufficient standing, fine aluminium bottoming thickness is not less than 100mm, 690~700 DEG C of cast temperature, casts
15~22mm/min of speed, casting pressure control is in 0.03~0.08MPa；
(6) casting obtains semicontinuous ingot casting, cast ingot dimension
(7) Homogenization Treatments are carried out to ingot casting in 3h after founding；
(8) three-level homogenization process is used to ingot casting,Ingot homogenization technique are as follows: first order homogenization temperature
Degree is 400 DEG C, soaking time 22h；Second level homogenization temperature is 465 DEG C；Soaking time 20h；Third level homogenization temperature is
474 DEG C, soaking time 20h；
(9) after homogenizing, furnace cooling is cooled to 150 DEG C hereinafter, coming out of the stove air-cooled；
(10) ingot casting after homogenization is stripped off the skin, ingot diameters after stripping off the skin
(11) selection mold carries out hot extrusion, extrusion ratio 20,40 × 150mm of die size to ingot casting；
(12) in extrusion process, 360 DEG C of ingot casting initial heating temperature, ingot casting temperature control is 350~375 in extrusion process
DEG C, extrusion speed is controlled in 1m~4m/min；
(13) extrudate is dissolved system through double_stage guide are as follows: and first order solid solubility temperature is 458 DEG C, soaking time 2h, the
Second level solid solubility temperature are as follows: 471 DEG C, soaking time 4h；
(14) extrudate is heat-treated through peak timeliness, holding temperature: 110 DEG C, 32h is kept the temperature, it is air-cooled with furnace.
The room temperature tensile properties for the profile that embodiment 3 obtains are as shown in table 3 below, wherein σbFor tensile strength, σ0.2It is in the wrong
Intensity is taken, δ is elongation percentage,
Table 3
Embodiment 4:
(1) alloy proportion is Zn:12.5%, Mg:3.5%, Cu:1.5%, Zr:0.15%, Sc 0.25%；By above-mentioned heavy
Measure percentage ingredient, using 99.99% smart Al ingot, pure Zn ingot, pure Mg ingot, Al-Cu intermediate alloy, Al-Zr intermediate alloy,
Al-Sc intermediate alloy；
(2) it is melted in smelting furnace, fusion temperature is 700~780 DEG C；
(3) refining agent is added to the metal after being completely melt to be stirred continuously and refine, refining is conducted batch-wise, gold when refining
Belong to temperature to maintain within the scope of 690~750 DEG C；
(4) vacuum is stood after refining, and is evacuated to 1000~1200Pa, 30~35min of time of repose；
(5) start to cast after sufficient standing, fine aluminium bottoming thickness is not less than 100mm, 690~700 DEG C of cast temperature, casts
15~22mm/min of speed, casting pressure control is in 0.03~0.08MPa；
(6) casting obtains semicontinuous ingot casting, cast ingot dimension
(7) Homogenization Treatments are carried out to ingot casting in 3h after founding；
(8) three-level homogenization process is used to ingot casting,Ingot homogenization technique are as follows: first order homogenization temperature
Degree is 410 DEG C, and soaking time is for 24 hours；Second level homogenization temperature is 470 DEG C；Soaking time is for 24 hours；Third level homogenization temperature is
478 DEG C, soaking time is for 24 hours；
(9) after homogenizing, furnace cooling is cooled to 150 DEG C hereinafter, coming out of the stove air-cooled；
(10) ingot casting after homogenization is stripped off the skin, ingot diameters after stripping off the skin
(11) selection mold carries out hot extrusion to ingot casting, and extrusion ratio is 30,40 × 150mm of die size；
(12) in extrusion process, 360 DEG C of ingot casting initial heating temperature, ingot casting temperature control is 350~375 in extrusion process
DEG C, extrusion speed is controlled in 1m~4m/min；
(13) extrudate is dissolved system through double_stage guide are as follows: and first order solid solubility temperature is 460 DEG C, soaking time 2h, the
Second level solid solubility temperature are as follows: 477 DEG C, soaking time 4h；
(14) extrudate is heat-treated through peak timeliness, holding temperature: 125 DEG C, 10h is kept the temperature, it is air-cooled with furnace.
The room temperature tensile properties for the profile that embodiment 4 obtains are as shown in table 4 below, wherein σbFor tensile strength, σ0.2It is in the wrong
Intensity is taken, δ is elongation percentage,
The room temperature tensile properties of 4 profile of table
It can be seen that large scale 800MPa grades of aluminium alloy extrusions performances of the present invention from above-mentioned performance evaluation to stablize, L
800MPa or more is stably reached to ultimate tensile strength, while elongation percentage is higher than 8%, LT tropism energy tensile strength and stably reaches
750MPa or more, while elongation percentage is higher than 6%, anisotropy difference is small, in Aeronautics and Astronautics, nuclear industry, communications and transportation, weapons
Equal fields have broad application prospects.
Finally it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, but protection of the invention
Range is not limited thereto, and anyone skilled in the art in the technical scope disclosed by the present invention, can be thought easily
It is modified or replaceed to various equivalent, these, which are modified or replaceed, should all be included within the scope of the present invention.
Claims (9)
1. a kind of 800MPa grades of aluminum alloy extrusion section bar, it is characterised in that: following chemistry of alloy meter containing weight percent
Ingredient: Zn 9.0~12.5%, Mg 2.5~3.5%, Cu 0.8~1.5%, Fe≤0.10%, Si≤0.10% are other miscellaneous
Matter is single≤and 0.05%, total amount≤0.15%, surplus Al.
2. 800MPa grades of aluminum alloy extrusion section bar according to claim 1, it is characterised in that: the alloy chemistry at
Increase 1~2 kind of Zr, Sc, weight percent are as follows: Zr 0.08~0.15%, Sc 0.05~0.25% in point.
3. being used to prepare the preparation method of 800MPa grades of aluminum alloy extrusion section bar of any of claims 1 or 2, it is characterised in that:
The preparation method comprises the steps of:
Step 1: obtaining semicontinuous ingot casting, cast ingot dimension by the chemical component and weight percent requirement ingredient, founding of alloy
Step 2: semicontinuous ingot casting is subjected to the processing of three-level homogenization process, it is specific as follows:
First order homogenization temperature is 390~410 DEG C, soaking time 20~for 24 hours；Second level homogenization temperature is 460~470
℃；Soaking time 15~for 24 hours；Third level homogenization temperature is 470 DEG C~478 DEG C, soaking time 15~for 24 hours, and total soaking time
50h or more；
Step 3: after ingot casting after homogenization is stripped off the skin, hot extrusion is carried out, extrusion ratio control is 20 or more, final extrudate
Thickness is not less than 40mm, and width is not less than 150mm；
Step 4: profile is through solid solution, aging strengthening model.
4. the preparation method of 800MPa grades of aluminum alloy extrusion section bar according to claim 3, it is characterised in that: the step
Two start in 3h after step 1 founding.
5. the preparation method of 800MPa grades of aluminum alloy extrusion section bar according to claim 3, it is characterised in that: in step 1
The process of the founding is specific as follows:
(1) it is melted in smelting furnace, fusion temperature is 700~780 DEG C；
(2) metal after being completely melt is refined, metal temperature maintains within the scope of 690~730 DEG C when refining；
(3) it is stood after refining, time of repose is no less than 30min；
(4) start to cast after standing, 690~700 DEG C of cast temperature, 15~22mm/min of casting rate, casting pressure 0.03~
0.08MPa。
6. the preparation method of 800MPa grades of aluminum alloy extrusion section bar according to claim 3, it is characterised in that: the step
After rapid two homogenization, furnace cooling is cooled to 150 DEG C hereinafter, coming out of the stove air-cooled.
7. the preparation method of 800MPa grades of aluminum alloy extrusion section bar according to claim 3, it is characterised in that: step 3 heat
Parameter during extrusion process are as follows: 350~375 DEG C of blank temperature, extrusion speed 1m~4m/min.
8. the preparation method of 800MPa grades of aluminum alloy extrusion section bar according to claim 3, it is characterised in that: in step 4
Solid solution uses double_stage guide, and first order solid solubility temperature is 455~460 DEG C, second level solid solubility temperature are as follows: 465~477 DEG C.
9. the preparation method of 800MPa grades of aluminum alloy extrusion section bar according to claim 3, it is characterised in that: in step 4
Timeliness uses peak value timeliness, technique are as follows: 90~125 DEG C of 10~72h of heat preservation.
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| CN110863128A (en) * | 2019-12-28 | 2020-03-06 | 东北轻合金有限责任公司 | Preparation method of 640 MPa-grade aluminum alloy extruded material for aviation |
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| CN113215458A (en) * | 2021-07-02 | 2021-08-06 | 中国航发北京航空材料研究院 | Aluminum alloy and manufacturing method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020162609A1 (en) * | 2001-02-07 | 2002-11-07 | Timothy Warner | Manufacturing process for a high strength work hardened product made of AlZnMgCu alloy |
| US20040089378A1 (en) * | 2002-11-08 | 2004-05-13 | Senkov Oleg N. | High strength aluminum alloy composition |
| CN1834277A (en) * | 2005-10-20 | 2006-09-20 | 北京有色金属研究总院 | High Zn content, superstrength and supertoughness, high destroy limit type aluminium alloy material and prepn. method |
| US8157932B2 (en) * | 2005-05-25 | 2012-04-17 | Alcoa Inc. | Al-Zn-Mg-Cu-Sc high strength alloy for aerospace and automotive castings |
| US20150059934A1 (en) * | 2013-08-30 | 2015-03-05 | Uacj Corporation | High-strength aluminum alloy thin extruded shape and method for producing the same |
| CN106399776A (en) * | 2016-11-11 | 2017-02-15 | 佛山科学技术学院 | 800MPa-level ultrahigh-strength aluminum alloy and preparing method thereof |
| CN107130156A (en) * | 2017-03-17 | 2017-09-05 | 中国航发北京航空材料研究院 | A kind of founding of high Zn constituent contents aluminium alloy and Technology for Heating Processing |
| CN107190186A (en) * | 2017-05-31 | 2017-09-22 | 佛山科学技术学院 | A kind of novel ultra-high-strength/tenacity aluminum alloy and preparation method thereof |
| CN108707793A (en) * | 2018-06-01 | 2018-10-26 | 中国航发北京航空材料研究院 | A method of improving 750MPa grades of ultra-high-strength aluminum alloy corrosive natures |
| US20190024224A1 (en) * | 2016-03-30 | 2019-01-24 | Aisin Keikinzoku Co.,Ltd. | High Strength Aluminum Alloy Extruded Material With Excellent Corrosion Resistance And Favorable Quenching Properties And Manufacturing Method Therefor |
-
2019
- 2019-08-16 CN CN201910762191.8A patent/CN110396629B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020162609A1 (en) * | 2001-02-07 | 2002-11-07 | Timothy Warner | Manufacturing process for a high strength work hardened product made of AlZnMgCu alloy |
| US20040089378A1 (en) * | 2002-11-08 | 2004-05-13 | Senkov Oleg N. | High strength aluminum alloy composition |
| US8157932B2 (en) * | 2005-05-25 | 2012-04-17 | Alcoa Inc. | Al-Zn-Mg-Cu-Sc high strength alloy for aerospace and automotive castings |
| CN1834277A (en) * | 2005-10-20 | 2006-09-20 | 北京有色金属研究总院 | High Zn content, superstrength and supertoughness, high destroy limit type aluminium alloy material and prepn. method |
| US20150059934A1 (en) * | 2013-08-30 | 2015-03-05 | Uacj Corporation | High-strength aluminum alloy thin extruded shape and method for producing the same |
| US20190024224A1 (en) * | 2016-03-30 | 2019-01-24 | Aisin Keikinzoku Co.,Ltd. | High Strength Aluminum Alloy Extruded Material With Excellent Corrosion Resistance And Favorable Quenching Properties And Manufacturing Method Therefor |
| CN106399776A (en) * | 2016-11-11 | 2017-02-15 | 佛山科学技术学院 | 800MPa-level ultrahigh-strength aluminum alloy and preparing method thereof |
| CN106399776B (en) * | 2016-11-11 | 2018-05-01 | 佛山科学技术学院 | A kind of 800MPa grades of ultra-high-strength aluminum alloy and preparation method thereof |
| CN107130156A (en) * | 2017-03-17 | 2017-09-05 | 中国航发北京航空材料研究院 | A kind of founding of high Zn constituent contents aluminium alloy and Technology for Heating Processing |
| CN107190186A (en) * | 2017-05-31 | 2017-09-22 | 佛山科学技术学院 | A kind of novel ultra-high-strength/tenacity aluminum alloy and preparation method thereof |
| CN108707793A (en) * | 2018-06-01 | 2018-10-26 | 中国航发北京航空材料研究院 | A method of improving 750MPa grades of ultra-high-strength aluminum alloy corrosive natures |
Cited By (15)
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|---|---|---|---|---|
| CN110863128B (en) * | 2019-12-28 | 2021-06-04 | 东北轻合金有限责任公司 | Preparation method of 640 MPa-grade aluminum alloy extruded material for aviation |
| CN110863128A (en) * | 2019-12-28 | 2020-03-06 | 东北轻合金有限责任公司 | Preparation method of 640 MPa-grade aluminum alloy extruded material for aviation |
| CN112522559A (en) * | 2020-12-03 | 2021-03-19 | 江阴金属材料创新研究院有限公司 | High intergranular corrosion resistance aircraft landing gear aluminum alloy and preparation method thereof |
| CN113215458B (en) * | 2021-07-02 | 2023-02-24 | 中国航发北京航空材料研究院 | Aluminum alloy and manufacturing method thereof |
| CN113215458A (en) * | 2021-07-02 | 2021-08-06 | 中国航发北京航空材料研究院 | Aluminum alloy and manufacturing method thereof |
| CN113737068A (en) * | 2021-08-19 | 2021-12-03 | 中铝材料应用研究院有限公司 | High-strength and high-toughness corrosion-resistant 7xxx series aluminum alloy and processing method thereof |
| CN113857401B (en) * | 2021-09-05 | 2023-05-05 | 桂林理工大学 | Isothermal extrusion process for Al-Zn-Mg-Sc alloy hard disk cartridge body |
| CN113857401A (en) * | 2021-09-05 | 2021-12-31 | 桂林理工大学 | Isothermal extrusion process for Al-Zn-Mg-Sc alloy hard disk box body |
| CN115008063A (en) * | 2022-05-20 | 2022-09-06 | 江苏科技大学 | Scandium-containing aluminum alloy welding wire and preparation method thereof |
| CN115233055A (en) * | 2022-07-25 | 2022-10-25 | 安徽工业大学 | Aluminum extruded section convenient to recycle and preparation method thereof |
| CN115233055B (en) * | 2022-07-25 | 2023-09-22 | 安徽工业大学 | Aluminum extrusion profile convenient to recycle and preparation method thereof |
| CN117127130A (en) * | 2023-10-27 | 2023-11-28 | 中铝材料应用研究院有限公司 | Multistage homogenization treatment method for aluminum alloy and aluminum alloy |
| CN117127071A (en) * | 2023-10-27 | 2023-11-28 | 中铝材料应用研究院有限公司 | Aluminum alloy material and preparation method thereof |
| CN117127130B (en) * | 2023-10-27 | 2024-02-20 | 中铝材料应用研究院有限公司 | Multistage homogenization treatment method for aluminum alloy and aluminum alloy |
| CN117904500A (en) * | 2023-11-15 | 2024-04-19 | 东北轻合金有限责任公司 | 800 MPa-grade ultrahigh-strength aluminum alloy round ingot and preparation method thereof |
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