CN104818412A - Low-Sc Al-Mg-Sc-Zr alloy sheet and preparation method thereof - Google Patents
Low-Sc Al-Mg-Sc-Zr alloy sheet and preparation method thereof Download PDFInfo
- Publication number
- CN104818412A CN104818412A CN201510278700.1A CN201510278700A CN104818412A CN 104818412 A CN104818412 A CN 104818412A CN 201510278700 A CN201510278700 A CN 201510278700A CN 104818412 A CN104818412 A CN 104818412A
- Authority
- CN
- China
- Prior art keywords
- aluminium
- alloy
- scandium
- massfraction
- magnesium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a low-Sc Al-Mg-Sc-Zr alloy sheet and a preparation method thereof, relates to an Sc-containing Al-Mg alloy sheet and a preparation method thereof and aims at solving the technical problems of high raw material price and poor mechanical property of the existing Sc-containing Al-Mg alloy. The alloy sheet is composed of Mg, Mn, Sc, Zr, Ti, Be, Si, Fe and the balance of impurities and Al. The method comprises the steps of firstly, proportioning; secondly, smelting; thirdly, casting; fourthly, homogenizing annealing; fifthly, hot rolling; sixthly, saw cutting to obtain a finished product. The alloy sheet disclosed by the invention has the normal-temperature and low-temperature mechanical property, damage tolerance as well as excellent welding performance and corrosion resistance of a common Al-Mg-SC alloy sheet, and also has the advantage of lower raw material cost. The preparation method is used for preparing the low-Sc Al-Mg-Sc-Zr alloy sheet.
Description
Technical field
The present invention relates to the high purity alumina-magnesia sheet alloy containing scandium and manufacture method thereof.
Background technology
Containing the high purity alumina-magnesia alloy of scandium in the field application processes such as space flight and aviation, more traditional high purity alumina-magnesia alloy, has embodied many advantages, and this also result in the interest of other field of structural design design and select materials.But because the price of starting material scandium is higher, make the cost of Mo-bearing granitoid remain high, this just have impact on the application of this alloy at other field to a certain extent.
Summary of the invention
It is high that the present invention will solve the existing high purity alumina-magnesia alloy raw material price containing scandium, the technical problem of poor mechanical property and provide a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material and manufacture method thereof.
A kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to element massfraction by: Mg is 5.0% ~ 6.5%, Mn is 0.10% ~ 0.60%, Sc is 0.10% ~ 0.25%, Zr is 0.08% ~ 0.20%, Ti is 0.01% ~ 0.05%, Be is 0.0005% ~ 0.005%, total mass mark≤0.15% of Si ﹤ 0.12%, Fe ﹤ 0.25%, all the other impurity and surplus are that Al forms, wherein massfraction≤0.05% of single impurity, the massfraction of the massfraction >Si of Fe.
The manufacture method of above-mentioned a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material, specifically carry out according to following steps:
One, according to the massfraction of Mg be 5.0% ~ 6.5%, the massfraction of Mn is 0.10% ~ 0.60%, the massfraction of Sc is 0.10% ~ 0.25%, the massfraction of Zr is 0.08% ~ 0.20%, the massfraction of Ti is 0.01% ~ 0.05%, the massfraction of Be is 0.0005% ~ 0.005%, surplus is that Al takes fine aluminium ingot, pure magnesium ingot, aluminium manganese master alloy, scandium bearing master alloy, aluminium titanium master alloy, aluminium beryllium master alloy, Mg-Zr intermediate alloy and aluminium titanium boron wire;
Two, fine aluminium ingot step one taken and aluminium manganese master alloy join in smelting furnace, are warming up to 760 ~ 810 DEG C, add scandium bearing master alloy, stir at least 15min, then add Mg-Zr intermediate alloy, keep 15min, then stir at least 10min, obtain melt; Melt is cooled to 740 DEG C, add pure magnesium ingot, aluminium beryllium master alloy and aluminium titanium master alloy, stirring obtains aluminium alloy melt, add insulating covering agent again, the mass content controlling Fe in aluminium alloy melt is greater than the mass content of Si, then adopt the refining of Ar gas to every 100g Hydrogen In Molten Aluminum Alloys content≤0.25mL, leave standstill 30min, obtain molten aluminium alloy;
Three, aluminium titanium boron wire is evenly fused in the molten aluminium alloy that step 2 obtains, then temperature be 710 DEG C ~ 750 DEG C, hydraulic pressure is 0.06MPa ~ 0.20MPa, speed is cast under being the condition of 30mm/min ~ 50mm/min, obtains that thickness is 340mm, width is 1200mm, length is the alloy cast ingot of 1500mm ~ 5000mm;
Four, alloy cast ingot step 3 obtained, under temperature is the condition of 330 DEG C ~ 380 DEG C, is incubated 4h ~ 8h;
Five, by the alloy cast ingot milling face after step 4 process to 300mm ~ 320mm, control temperature is 360 DEG C ~ 440 DEG C, insulation be no less than 2h, be then rolled into the hot-rolled sheet of 4mm ~ 20mm;
Six, hot rolled plate step 5 obtained carries out sawing, obtains low scandium aluminium-magnesium-scandium zirconium alloy sheet material.
Impurity element in the present invention's low scandium aluminium-magnesium-scandium zirconium alloy sheet material derives from aluminium ingot; Impurity Si ﹤ 0.12%, Fe ﹤ 0.25%, all the other single impurity≤0.05%, add up to impurity≤0.15%, the performance of the impurity within the scope of this on aluminum alloy plate materials does not affect.
The invention has the beneficial effects as follows: a kind of low scandium aluminium-magnesium-scandium zirconium alloy of the present invention is compared with general Al-Mg-Sc alloy, the Sc element that adds due to reasonably optimizing, Sc element is enable to play grain refining, while suppressing the effect such as recrystallize and solution strengthening, the nascent thick impact containing the relative finished product sheet material of scandium is also avoid in cast structure, invented novel low scandium aluminium-magnesium-scandium zirconium alloy sheet material is made to have the normal temperature and cryogenic mechanics performance that general Al-Mg-Sc alloy has, resistant to damage tolerance limit, excellent welding property, while corrosion resistance, there is lower material cost advantage.
Utilize low scandium aluminium-magnesium-scandium zirconium alloy sheet material of the present invention again structure design while ensureing that properties meets the demands, 20% ~ 30% of general aluminium-magnesium-scandium zirconium alloy material cost can be reduced, make this alloy can not only meet space flight and aviation industry design selection demand, the demand of other industry (such as navigation, electronics etc.) design and select material can also be met, by promoting the use of of the aluminium-magnesium-scandium zirconium alloy being more conducive to containing scandium.
The present invention is for the preparation of one low scandium aluminium-magnesium-scandium zirconium alloy sheet material.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material of present embodiment according to element massfraction by: the massfraction of Mg is 5.0% ~ 6.5%, the massfraction of Mn is 0.10% ~ 0.60%, the massfraction of Sc is 0.10% ~ 0.25%, the massfraction of Zr is 0.08% ~ 0.20%, the massfraction of Ti is 0.01% ~ 0.05%, the massfraction of Be is 0.0005% ~ 0.005%, the massfraction ﹤ 0.12% of Si, the massfraction ﹤ 0.25% of Fe, total mass mark≤0.15% of other impurity and surplus are Al composition, wherein massfraction≤0.05% of single impurity, the massfraction of the massfraction >Si of Fe.
Embodiment two: the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material described in embodiment one, specifically carry out according to following steps:
One, according to the massfraction of Mg be 5.0% ~ 6.5%, the massfraction of Mn is 0.10% ~ 0.60%, the massfraction of Sc is 0.10% ~ 0.25%, the massfraction of Zr is 0.08% ~ 0.20%, the massfraction of Ti is 0.01% ~ 0.05%, the massfraction of Be is 0.0005% ~ 0.005%, surplus is that Al takes fine aluminium ingot, pure magnesium ingot, aluminium manganese master alloy, scandium bearing master alloy, aluminium titanium master alloy, aluminium beryllium master alloy, Mg-Zr intermediate alloy and aluminium titanium boron wire;
Two, fine aluminium ingot step one taken and aluminium manganese master alloy join in smelting furnace, are warming up to 760 ~ 810 DEG C, add scandium bearing master alloy, stir at least 15min, then add Mg-Zr intermediate alloy, keep 15min, then stir at least 10min, obtain melt; Melt is cooled to 740 DEG C, add pure magnesium ingot, aluminium beryllium master alloy and aluminium titanium master alloy, stirring obtains aluminium alloy melt, add insulating covering agent again, the mass content controlling Fe in aluminium alloy melt is greater than the mass content of Si, then adopt the refining of Ar gas to every 100g Hydrogen In Molten Aluminum Alloys content≤0.25mL, leave standstill 30min, obtain molten aluminium alloy;
Three, aluminium titanium boron wire is evenly fused in the molten aluminium alloy that step 2 obtains, then temperature be 710 DEG C ~ 750 DEG C, hydraulic pressure is 0.06MPa ~ 0.20MPa, speed is cast under being the condition of 30mm/min ~ 50mm/min, obtains that thickness is 340mm, width is 1200mm, length is the alloy cast ingot of 1500mm ~ 5000mm;
Four, alloy cast ingot step 3 obtained, under temperature is the condition of 330 DEG C ~ 380 DEG C, is incubated 4h ~ 8h;
Five, by the alloy cast ingot milling face after step 4 process to 300mm ~ 320mm, control temperature is 360 DEG C ~ 440 DEG C, insulation be no less than 2h, be then rolled into the hot-rolled sheet of 4mm ~ 20mm;
Six, hot rolled plate step 5 obtained carries out sawing, obtains low scandium aluminium-magnesium-scandium zirconium alloy sheet material.
Embodiment three: present embodiment and embodiment two unlike: in step one according to the massfraction of Mg be 5.8%, the massfraction of Mn is 0.25%, the massfraction of Sc is 0.15%, the massfraction of Zr is 0.12%, the massfraction of Ti is 0.03%, the massfraction of Be is 0.0025%, surplus is that Al takes.Other is identical with embodiment two.
Embodiment four: present embodiment and embodiment two or three unlike: in step 2, insulating covering agent is KCl, MgCl
2and BaCl
2mixing solutions, be wherein 32 ~ 40 parts, MgCl by mass fraction KCl
2be 38 ~ 46 parts, BaCl
2it is 5 ~ 8 parts.Other is identical with embodiment two or three.
Embodiment five: one of present embodiment and embodiment two to four unlike: in step 2, the add-on of insulating covering agent is 0.4 ~ 0.6% of aluminium alloy melt quality.Other is identical with one of embodiment two to four.
Embodiment six: one of present embodiment and embodiment two to five unlike: in step 3 temperature be 740 DEG C, hydraulic pressure is 0.10MPa, speed is cast under being the condition of 45mm/min.Other is identical with one of embodiment two to five.
Embodiment seven: one of present embodiment and embodiment two to six unlike: obtain the alloy cast ingot that length is 4000mm in step 3.Other is identical with one of embodiment two to six.
Embodiment eight: under one of present embodiment and embodiment two to seven in temperature are the condition of 355 DEG C unlike: step 4 interalloy ingot casting, insulation 6h.Other is identical with one of embodiment two to seven.
Embodiment nine: one of present embodiment and embodiment two to eight unlike: in step 5, control temperature is 420 DEG C of insulations.Other is identical with one of embodiment two to eight.
Following examples are adopted to verify beneficial effect of the present invention:
Embodiment one:
The manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material of the present embodiment, specifically carry out according to following steps:
One, according to the massfraction of Mg be 5.8%, the massfraction of Mn is 0.25%, the massfraction of Sc is 0.15%, the massfraction of Zr is 0.12%, the massfraction of Ti is 0.03%, the massfraction of Be is 0.0025%, surplus is that Al takes fine aluminium ingot, pure magnesium ingot, aluminium manganese master alloy, scandium bearing master alloy, aluminium titanium master alloy, aluminium beryllium master alloy, Mg-Zr intermediate alloy and aluminium titanium boron wire;
Two, fine aluminium ingot step one taken and aluminium manganese master alloy join in smelting furnace, are warming up to 760 DEG C, add scandium bearing master alloy, stir 20min, then add Mg-Zr intermediate alloy, keep 15min, then stir 15min, obtain melt; Melt is cooled to 740 DEG C, add pure magnesium ingot, aluminium beryllium master alloy and aluminium titanium master alloy, stirring obtains aluminium alloy melt, add insulating covering agent again, the mass content controlling Fe in aluminium alloy melt is greater than the mass content of Si, then adopt the refining of Ar gas to every 100g Hydrogen In Molten Aluminum Alloys content≤0.25mL, leave standstill 30min, obtain molten aluminium alloy; Insulating covering agent is KCl, MgCl
2and BaCl
2mixing solutions, be wherein 40 parts, MgCl by mass fraction KCl
2be 46 parts, BaCl
2it is 8 parts; The add-on of insulating covering agent is 0.5% of aluminium alloy melt quality;
Three, aluminium titanium boron wire is evenly fused in the molten aluminium alloy that step 2 obtains, then temperature be 740 DEG C, hydraulic pressure is 0.10MPa, speed is cast under being the condition of 45mm/min, obtains that thickness is 340mm, width is 1200mm, length is the alloy cast ingot of 4000mm;
Four, alloy cast ingot step 3 obtained, under temperature is the condition of 355 DEG C, is incubated 6h;
Five, by the alloy cast ingot milling face after step 4 process to 300mm, control temperature is 420 DEG C, insulation be no less than 2h, be then rolled into the hot-rolled sheet of 10mm;
Six, hot rolled plate step 5 obtained carries out sawing, obtains low scandium aluminium-magnesium-scandium zirconium alloy sheet material.
The tensile strength of low scandium aluminium-magnesium-scandium zirconium alloy sheet material prepared by the present embodiment is 380Rm/N/mm
2~ 420Rm/N/mm
2, yield strength is 280Rm/N/mm
2~ 340Rm/N/mm
2, unit elongation is 12% ~ 18%.
Claims (9)
1. one kind low scandium aluminium-magnesium-scandium zirconium alloy sheet material, it is characterized in that this sheet alloy according to element massfraction by: Mg is 5.0% ~ 6.5%, Mn is 0.10% ~ 0.60%, Sc is 0.10% ~ 0.25%, Zr is 0.08% ~ 0.20%, Ti is 0.01% ~ 0.05%, Be is 0.0005% ~ 0.005%, total mass mark≤0.15% of Si ﹤ 0.12%, Fe ﹤ 0.25%, all the other impurity and surplus are that Al forms, wherein massfraction≤0.05% of single impurity, the massfraction of the massfraction >Si of Fe.
2. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material as claimed in claim 1, is characterized in that specifically carrying out according to following steps:
One, according to the massfraction of Mg be 5.0% ~ 6.5%, the massfraction of Mn is 0.10% ~ 0.60%, the massfraction of Sc is 0.10% ~ 0.25%, the massfraction of Zr is 0.08% ~ 0.20%, the massfraction of Ti is 0.01% ~ 0.05%, the massfraction of Be is 0.0005% ~ 0.005%, surplus is that Al takes fine aluminium ingot, pure magnesium ingot, aluminium manganese master alloy, scandium bearing master alloy, aluminium titanium master alloy, aluminium beryllium master alloy, Mg-Zr intermediate alloy and aluminium titanium boron wire;
Two, fine aluminium ingot step one taken and aluminium manganese master alloy join in smelting furnace, are warming up to 760 ~ 810 DEG C, add scandium bearing master alloy, stir at least 15min, then add Mg-Zr intermediate alloy, keep 15min, then stir at least 10min, obtain melt; Melt is cooled to 740 DEG C, add pure magnesium ingot, aluminium beryllium master alloy and aluminium titanium master alloy, stirring obtains aluminium alloy melt, add insulating covering agent again, the mass content controlling Fe in aluminium alloy melt is greater than the mass content of Si, then adopt the refining of Ar gas to every 100g Hydrogen In Molten Aluminum Alloys content≤0.25mL, leave standstill 30min, obtain molten aluminium alloy;
Three, aluminium titanium boron wire is evenly fused in the molten aluminium alloy that step 2 obtains, then temperature be 710 DEG C ~ 750 DEG C, hydraulic pressure is 0.06MPa ~ 0.20MPa, speed is cast under being the condition of 30mm/min ~ 50mm/min, obtains that thickness is 340mm, width is 1200mm, length is the alloy cast ingot of 1500mm ~ 5000mm;
Four, alloy cast ingot step 3 obtained, under temperature is the condition of 330 DEG C ~ 380 DEG C, is incubated 4h ~ 8h;
Five, by the alloy cast ingot milling face after step 4 process to 300mm ~ 320mm, control temperature is 360 DEG C ~ 440 DEG C, insulation be no less than 2h, be then rolled into the hot-rolled sheet of 4mm ~ 20mm;
Six, hot rolled plate step 5 obtained carries out sawing, obtains low scandium aluminium-magnesium-scandium zirconium alloy sheet material.
3. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to claim 2, it is characterized in that in step one according to the massfraction of Mg be 5.8%, the massfraction of Mn is 0.25%, the massfraction of Sc is 0.15%, the massfraction of Zr is 0.12%, the massfraction of Ti is 0.03%, the massfraction of Be is 0.0025%, surplus is that Al takes.
4. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to claim 2, is characterized in that in step 2, insulating covering agent is KCl, MgCl
2and BaCl
2mixing solutions, be wherein 32 ~ 40 parts, MgCl by mass fraction KCl
2be 38 ~ 46 parts, BaCl
2it is 5 ~ 8 parts.
5. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to claim 2, is characterized in that the add-on of insulating covering agent in step 2 is 0.4 ~ 0.6% of aluminium alloy melt quality.
6. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to claim 2, it is characterized in that in step 3 temperature be 740 DEG C, hydraulic pressure is 0.10MPa, speed is cast under being the condition of 45mm/min.
7. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to claim 2, is characterized in that obtaining the alloy cast ingot that length is 4000mm in step 3.
8. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to claim 2, is characterized in that step 4 interalloy ingot casting is under the condition of 355 DEG C in temperature, insulation 6h.
9. the manufacture method of a kind of low scandium aluminium-magnesium-scandium zirconium alloy sheet material according to claim 2, is characterized in that in step 5, control temperature is 420 DEG C of insulations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278700.1A CN104818412B (en) | 2015-05-27 | 2015-05-27 | A kind of low scandium aluminium-magnesium-scandium zircaloy sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278700.1A CN104818412B (en) | 2015-05-27 | 2015-05-27 | A kind of low scandium aluminium-magnesium-scandium zircaloy sheet material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104818412A true CN104818412A (en) | 2015-08-05 |
| CN104818412B CN104818412B (en) | 2017-03-15 |
Family
ID=53728890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510278700.1A Active CN104818412B (en) | 2015-05-27 | 2015-05-27 | A kind of low scandium aluminium-magnesium-scandium zircaloy sheet material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104818412B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794419A (en) * | 2017-06-13 | 2018-03-13 | 湖南东方钪业股份有限公司 | A kind of aluminium alloy polynary intermediate alloy and preparation method thereof |
| CN108342626A (en) * | 2018-05-18 | 2018-07-31 | 东北轻合金有限责任公司 | One kind ocean engineering containing erbium and goods stock aluminium alloy and its manufacturing method of plate thereof |
| CN108941227A (en) * | 2018-07-09 | 2018-12-07 | 中南大学 | A kind of preparation process of aviation Al-Mg-Sc alloy tubing |
| CN109988926A (en) * | 2017-12-29 | 2019-07-09 | 中国航发北京航空材料研究院 | A kind of anti-corrosion, solderable alloy and preparation method thereof |
| CN110656264A (en) * | 2019-11-05 | 2020-01-07 | 东北轻合金有限责任公司 | Manufacturing method of aluminum alloy wire for protective fence |
| CN111187951A (en) * | 2019-12-20 | 2020-05-22 | 西南铝业（集团）有限责任公司 | Aluminum-magnesium-scandium-zirconium-titanium alloy and preparation method thereof |
| CN112458346A (en) * | 2020-12-04 | 2021-03-09 | 西南铝业（集团）有限责任公司 | Aluminum-magnesium-scandium alloy and preparation method thereof |
| WO2021244131A1 (en) * | 2020-06-02 | 2021-12-09 | 江苏海洋大学 | Abandoned offshore oil and gas platform-based integrated power generation, hydrogen production, and hydrogen storage system |
| CN115369292A (en) * | 2022-09-01 | 2022-11-22 | 太原理工大学 | High-strength high-plasticity cast aluminum-magnesium-manganese-scandium-zirconium alloy and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04268054A (en) * | 1991-02-20 | 1992-09-24 | Kobe Steel Ltd | Manufacture of al-mg alloy sheet excellent in strength and orientation property |
| CN1482267A (en) * | 2003-08-18 | 2004-03-17 | 北京工业大学 | Al-Mg-Li-Zr-Er alloy |
| CN101353745A (en) * | 2008-09-10 | 2009-01-28 | 中南大学 | Al-Mg-Mn-Sc-Er alloy |
| CN101831578A (en) * | 2010-06-02 | 2010-09-15 | 东北轻合金有限责任公司 | Aluminum-magnesium-erbium alloy cast ingot and preparation method thereof |
-
2015
- 2015-05-27 CN CN201510278700.1A patent/CN104818412B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04268054A (en) * | 1991-02-20 | 1992-09-24 | Kobe Steel Ltd | Manufacture of al-mg alloy sheet excellent in strength and orientation property |
| CN1482267A (en) * | 2003-08-18 | 2004-03-17 | 北京工业大学 | Al-Mg-Li-Zr-Er alloy |
| CN101353745A (en) * | 2008-09-10 | 2009-01-28 | 中南大学 | Al-Mg-Mn-Sc-Er alloy |
| CN101831578A (en) * | 2010-06-02 | 2010-09-15 | 东北轻合金有限责任公司 | Aluminum-magnesium-erbium alloy cast ingot and preparation method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794419A (en) * | 2017-06-13 | 2018-03-13 | 湖南东方钪业股份有限公司 | A kind of aluminium alloy polynary intermediate alloy and preparation method thereof |
| CN107794419B (en) * | 2017-06-13 | 2020-03-31 | 湖南东方钪业股份有限公司 | Multi-element intermediate alloy for aluminum alloy and preparation method thereof |
| CN109988926A (en) * | 2017-12-29 | 2019-07-09 | 中国航发北京航空材料研究院 | A kind of anti-corrosion, solderable alloy and preparation method thereof |
| CN108342626A (en) * | 2018-05-18 | 2018-07-31 | 东北轻合金有限责任公司 | One kind ocean engineering containing erbium and goods stock aluminium alloy and its manufacturing method of plate thereof |
| CN108941227A (en) * | 2018-07-09 | 2018-12-07 | 中南大学 | A kind of preparation process of aviation Al-Mg-Sc alloy tubing |
| CN108941227B (en) * | 2018-07-09 | 2020-04-10 | 中南大学 | Preparation process of aluminum-magnesium-scandium alloy pipe for aviation |
| CN110656264A (en) * | 2019-11-05 | 2020-01-07 | 东北轻合金有限责任公司 | Manufacturing method of aluminum alloy wire for protective fence |
| CN111187951A (en) * | 2019-12-20 | 2020-05-22 | 西南铝业（集团）有限责任公司 | Aluminum-magnesium-scandium-zirconium-titanium alloy and preparation method thereof |
| WO2021244131A1 (en) * | 2020-06-02 | 2021-12-09 | 江苏海洋大学 | Abandoned offshore oil and gas platform-based integrated power generation, hydrogen production, and hydrogen storage system |
| CN112458346A (en) * | 2020-12-04 | 2021-03-09 | 西南铝业（集团）有限责任公司 | Aluminum-magnesium-scandium alloy and preparation method thereof |
| CN115369292A (en) * | 2022-09-01 | 2022-11-22 | 太原理工大学 | High-strength high-plasticity cast aluminum-magnesium-manganese-scandium-zirconium alloy and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104818412B (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104818412A (en) | Low-Sc Al-Mg-Sc-Zr alloy sheet and preparation method thereof | |
| CN101914710B (en) | Manufacture method of aluminum alloy sheet for high-speed train structure | |
| CN102876940B (en) | Manufacturing method of aluminum alloy thin plate with stable performance | |
| CN102839297B (en) | High-temperature titanium alloy and preparation method thereof | |
| CN102876939B (en) | Manufacturing method of aluminum magnesium alloy | |
| CN103361523B (en) | A kind of Structural Engineering aluminium alloy extrusions and preparation method thereof | |
| CN104745902B (en) | High strength Al-Mg-Si-Cu alloy for bicycles and processing technology thereof | |
| CN103088229B (en) | Low-cost copper alloy for socket connectors and processing method thereof | |
| CN101509088B (en) | High-strength, high-ductility rare earth aluminum alloy material and method of producing the same | |
| CN102899541B (en) | 5A06H14 sheet metal with thickness of 8.5mm, and preparation method thereof | |
| CN107119216A (en) | A kind of high-strength corrosion-resistant erosion aluminium alloy and preparation method thereof | |
| CN102766789B (en) | Preparation method of aluminum alloy | |
| CN101994058A (en) | Quake-proof construction steel with lamellar tearing resistance and excellent performance and production method thereof | |
| CN104103338B (en) | A kind of production technology of cable copper strip | |
| CN102851527B (en) | Copper-silver-magnesium alloy contact wire and preparation method thereof | |
| CN103436747A (en) | High-plasticity aluminum alloy for heat exchange fin plate and processing technology of high-plasticity aluminum alloy | |
| CN104694801A (en) | Al-Mg-Sc-Zr aluminum alloy plate and manufacturing method thereof | |
| CN105200288A (en) | Ultra-high-strength Al alloy bar and production method thereof | |
| CN105200285A (en) | Aluminium alloy plate with superplasticity and manufacturing method thereof | |
| CN106480345A (en) | A kind of moderate strength, the manufacture method of good properties at high temperature aluminium alloy thick plate | |
| CN105220037A (en) | The aluminium alloy heat sink material of superstrength is anti-corrosion Cutting free processing and method for making and application | |
| CN104561695A (en) | Marine aluminium alloy thick plate and production method thereof | |
| CN104357771B (en) | Cold rolling thermal treatment process for improving bending property of aluminum magnesium alloy | |
| CN102899532A (en) | Aluminum alloy rod as well as preparation process and application of aluminum alloy rod | |
| CN109295346B (en) | High-conductivity soft aluminum alloy and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |