CN108611533A - A kind of aluminium alloy and its preparation process for high-throughput continuous casting and rolling narrow crystallization section - Google Patents
A kind of aluminium alloy and its preparation process for high-throughput continuous casting and rolling narrow crystallization section Download PDFInfo
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- CN108611533A CN108611533A CN201810588523.0A CN201810588523A CN108611533A CN 108611533 A CN108611533 A CN 108611533A CN 201810588523 A CN201810588523 A CN 201810588523A CN 108611533 A CN108611533 A CN 108611533A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
- B22D11/117—Refining the metal by treating with gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
- B22D11/119—Refining the metal by filtering
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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
- C22C1/06—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
- 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 present invention provides a kind of aluminium alloy and its preparation process being suitable for high-throughput continuous casting and rolling narrow crystallization section, the weight percent of component and each component that the aluminium alloy includes is as follows：Mg：1.8 2.5%, Cr：0.25 0.45%, Si：0.15 0.40%, Cu：0.01 0.1%, Mn：0.01 0.1%, Ti：0.01 0.05%, Fe：0 0.35%, surplus Al.Crystallization temperature section, which easy tos produce greatly, when the invention solves the problems, such as existing 5052 aluminium alloy for high-throughput continuous casting and rolling production the casting flaws such as is segregated.
Description
Technical field
The invention belongs to aluminium alloy manufacturing technology fields, and in particular to one kind is for high-throughput continuous casting and rolling narrow crystallization
The aluminium alloy and its preparation process in section.
Background technology
Aluminium alloy obtains extensively due to having the characteristics that higher intensity, good resistance to candle property and excellent high-temp plastic
Application.Wherein 5052 aluminium alloys are one of the most popular products in Al-Mg systems, it has middle high intensity, good
The advantages that anti-fatigue performance and welding performance, resistance to marine atmosphere corruption candle property good and excellent low-temperature stability, 5052 sheet alloys
It is widely used in the products such as aircraft, vehicle, ship, instrument, container.According to GB/T3190-2008《Deform aluminium and aluminium alloying
It studies point》The regulation of national standard：5052 aluminium alloys include mainly following chemical composition：Si:0-0.25wt%；Fe:0-
0.4wt%；Cu:0-0.1wt%； Mn: 0-0.1wt%；Mg:2.2-2.8wt%；Cr:0.15-0.35wt%；Zn:0-0.1wt%；It is remaining
Amount is Al.
Under normal circumstances, 5052 aluminium alloys are to be produced by Hot rolling, but the technique productions long flow path, technique are multiple
It is miscellaneous, production cost is high.In contrast, high-throughput casting and rolling process is a kind of new and effective aluminum alloy strip blank production work
Skill has many advantages, such as high flow rate, short route, energy conservation and environmental protection, at low cost.High throughput continuous casting and rolling at present can be used for producing
5052 aluminum alloy plate materials, but since 5052 aluminium alloys crystallization temperature range is big, casting fluidity is poor, will produce segregation, loose
The defects of, these defects have very strong " heredity ", directly influence the performance of final products.
Invention content
The purpose of the present invention is being directed to existing 5052 aluminium alloy defect present in high-throughput continuous casting and rolling production, carry
For a kind of aluminium alloy and its preparation process for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy which prepares
5052 aluminium alloys crystallization temperature range can be reduced, and is produced suitable for high-throughput continuous casting and rolling, while meeting performance requirement.
To achieve the goals above, the technical solution used in the present invention is：
The present invention provides a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：1.8-2.5%, Cr：0.25-0.45%, Si：0.15-0.40%, Cu：0.01-
0.1%, Mn：0.01-0.1%, Ti：0.01-0.05%, Fe：0-0.35%, surplus Al.
According to the above-mentioned aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the group that the aluminium alloy includes
Divide and the weight percent of each component is as follows：Mg：1.8-2.5%, Cr：0.35-0.45%, Si：0.20-0.40%, Cu：0.01-
0.1%, Mn：0.05-0.06%, Ti：0.01-0.05%, Fe：0.14-0.17%, surplus Al.
According to the above-mentioned aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the group that the aluminium alloy includes
Divide and the weight percent of each component is as follows：Mg：2.5%, Cr：0.35%, Si：0.25%, Cu：0.08%, Mn：0.06%, Ti：
0.03%, Fe：0.15%, surplus Al.
According to the preparation process of the above-mentioned aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, work is prepared
Skill includes mainly smelting technology, casting technique and rolling mill practice；
First step smelting technology
Electrolytic aluminium liquid is added after prepurging；
After furnace charge all melts, skim in time in melt temperature control range planted agent, it must be into stove before skimming
It is even to be sprinkled into solvent, 690-750 DEG C of melt temperature range of skimming；Slag rake leading portion must be goed deep into stove preheating 2 minutes before skimming
More than；It is steady when skimming, melt waviness cannot be made；Clinker requires to scratch clean, and takes molten aluminum out of less as possible, rake is in fire door when skimming
It pauses a moment, so that the molten aluminum carried secretly in slag returns in stove；
Alloyage materials：Fe Fe additives, the instant silicon of Si, Cr Cr additives；Melt temperature when additive is added
Control is advisable at 690-750 DEG C；Specific adding method：It dismantles after additive outer packing, additive is uniformly added into stove by hand
It is interior, it reacts 20 minutes；
Refining, chemical examination ingredient：Refining temperature is 690-750 DEG C；Refining uses chlorine and argon gas mixed gas；Ingredient is chemically examined,
Probe temperature is 690-750 DEG C, takes three samples in stove respectively, and number is stamped after sample cooling, delivers laboratory chemical examination；
Refining, is skimmed at composition adjustment：Composition adjustment is carried out according to result of laboratory test, alloy addition is added after twenty minutes, carries out
It refines, skim and stepIt is identical；
Add magnesium ingot：Solvent-applied covers in time when adding magnesium ingot, continues stirring 20 minutes after magnesium ingot fusing, sampling, when adding magnesium
Melt is advisable controlled at 700-750 DEG C；
It refines, same step of skimming；
It stands, turndown；
Second step casting technique
Crystal grain refinement：Using rodlike Al-5Ti-0.2B carry out crystal grain refinement, fining agent be added SNIF before chute in；
Online degasification：Online processing is carried out using SNIF depassing units, refining is Ar gas with gas；
On-line filtration：Porosity is used to be filtered for foamed ceramic filter plate single-stage；
Melt surveys hydrogen：Case molten aluminum hydrogen content is less than 0.15ml/100gAl before it is required that；
Third walks rolling mill practice
Cast out 19mm heavy-gauge sheetings be directly over three even be hot-rolled down to 6mm, 2mm is then cold-rolled to, under 350 DEG C of 3h annealing conditions
Obtain O state planks.
It is using advantageous effect caused by above-mentioned technical proposal：
1, the present invention has adjusted the relative amount of Mg, Cr, Si element, has obtained a kind of element composition being different from existing aluminium alloy
Aluminium alloy, present invention process prepare aluminium alloy have relatively narrow crystallization temperature section.
2, aluminium alloy crystallization temperature range provided by the invention reduces 10 DEG C or so relative to former 5052 aluminium alloys, in O
Tensile strength is 195-215MPa, yield strength 95-110MPa under state, is suitable for high-throughput continuous casting and rolling and produces.
Specific implementation mode
For a further understanding of the present invention, aluminium alloy provided by the invention is illustrated with reference to embodiment, this hair
Bright protection domain is not limited by the following examples.
Embodiment 1
The present invention provides a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：2.0%, Cr：0.45%, Si：0.15%, Cu：0.02%, Mn：0.06%, Ti：
0.016%, Fe：0.14%, surplus Al, the proportioning product are denoted as M1；
The preparation process of the aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, preparation process mainly wrap
Include smelting technology, casting technique and rolling mill practice；
First step smelting technology
Electrolytic aluminium liquid is added after prepurging；
After furnace charge all melts, skim in time in melt temperature control range planted agent, it must be into stove before skimming
It is even to be sprinkled into solvent, 690-750 DEG C of melt temperature range of skimming；Slag rake leading portion must be goed deep into stove preheating 2 minutes before skimming
More than；It is steady when skimming, melt waviness cannot be made；Clinker requires to scratch clean, and takes molten aluminum out of less as possible, rake is in fire door when skimming
It pauses a moment, so that the molten aluminum carried secretly in slag returns in stove；
Alloyage materials：Fe Fe additives, the instant silicon of Si, Cr Cr additives；Melt temperature when additive is added
Control is advisable at 690-750 DEG C；Specific adding method：It dismantles after additive outer packing, additive is uniformly added into stove by hand
It is interior, it reacts 20 minutes；
Refining, chemical examination ingredient：Refining temperature is 690-750 DEG C；Refining uses chlorine and argon gas mixed gas；Ingredient is chemically examined,
Probe temperature is 690-750 DEG C, takes three samples in stove respectively, and number is stamped after sample cooling, delivers laboratory chemical examination；
Refining, is skimmed at composition adjustment：Composition adjustment is carried out according to result of laboratory test, alloy addition is added after twenty minutes, carries out
It refines, skim and stepIt is identical；
Add magnesium ingot：Solvent-applied covers in time when adding magnesium ingot, continues stirring 20 minutes after magnesium ingot fusing, sampling, when adding magnesium
Melt is advisable controlled at 700-750 DEG C；
It refines, same step of skimming；
It stands, turndown；
Second step casting technique
Crystal grain refinement：Using rodlike Al-5Ti-0.2B carry out crystal grain refinement, fining agent be added SNIF before chute in；
Online degasification：Online processing is carried out using SNIF depassing units, refining is Ar gas with gas；
On-line filtration：Porosity is used to be filtered for foamed ceramic filter plate single-stage；
Melt surveys hydrogen：Case molten aluminum hydrogen content is less than 0.15ml/100gAl before it is required that；
Third walks rolling mill practice
Cast out 19mm heavy-gauge sheetings be directly over three even be hot-rolled down to 6mm, 2mm is then cold-rolled to, under 350 DEG C of 3h annealing conditions
Obtain O state planks.
Sample carries out heat analysis, ranging from 25 DEG C -700 of warming temperature using model NETZSCHDSC404C thermal analyzers
DEG C, heating rate is 10 DEG C/min；Aluminum alloy plate materials carried out under O state yield strength, tensile strength, elongation percentage test and
The size analysis of crystallization temperature section, the results are shown in Table 2.
Embodiment 2
The present invention provides a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：2.2%, Cr：0.25%, Si：0.15%, Cu：0.03%, Mn：0.05%, Ti：
0.019%, Fe：0.17%, surplus Al, the proportioning product are denoted as M2.
The preparation method of the present embodiment is same as Example 1.
Sample carries out heat analysis, ranging from 25 DEG C of warming temperature-using model NETZSCH DSC 404C thermal analyzers
700 DEG C, heating rate is 10 DEG C/min；Aluminum alloy plate materials carry out the survey of yield strength, tensile strength, elongation percentage under O state
Examination and the analysis of crystallization temperature section size, the results are shown in Table 2.
Embodiment 3
The present invention provides a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：2.5%, Cr：0.35%, Si：0.15%, Cu：0.03%, Mn：0.06%, Ti：
0.018%, Fe：0.15%, surplus Al, the proportioning product are denoted as M3.
The preparation method of the present embodiment is same as Example 1.
Sample carries out heat analysis, ranging from 25 DEG C of warming temperature-using model NETZSCH DSC 404C thermal analyzers
700 DEG C, heating rate is 10 DEG C/min；Aluminum alloy plate materials carry out the survey of yield strength, tensile strength, elongation percentage under O state
Examination and the analysis of crystallization temperature section size, the results are shown in Table 2.
Embodiment 4
The present invention provides a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：2.2%, Cr：0.35%, Si：0.15%, Cu：0.02%, Mn：0.06%, Ti：
0.018%, Fe：0.14%, surplus Al, the proportioning product are denoted as M4.
The preparation method of the present embodiment is same as Example 1.
Sample carries out heat analysis, ranging from 25 DEG C of warming temperature-using model NETZSCH DSC 404C thermal analyzers
700 DEG C, heating rate is 10 DEG C/min；Aluminum alloy plate materials carry out the survey of yield strength, tensile strength, elongation percentage under O state
Examination and the analysis of crystallization temperature section size, the results are shown in Table 2.
Embodiment 5
The present invention provides a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：2.2%, Cr：0.35%, Si：0.25%, Cu：0.04%, Mn：0.05%, Ti：
0.017%, Fe：0.15%, surplus Al, the proportioning product are denoted as M5.
The preparation method of the present embodiment is same as Example 1.
Sample carries out heat analysis, ranging from 25 DEG C of warming temperature-using model NETZSCH DSC 404C thermal analyzers
700 DEG C, heating rate is 10 DEG C/min；Aluminum alloy plate materials carry out the survey of yield strength, tensile strength, elongation percentage under O state
Examination and the analysis of crystallization temperature section size, the results are shown in Table 2.
Embodiment 6
The present invention provides a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：1.8%, Cr：0.35%, Si：0.40%, Cu：0.03%, Mn：0.05%, Ti：
0.018%, Fe：0.15%, surplus Al, the proportioning product are denoted as M6.
The preparation method of the present embodiment is same as Example 1.
Sample carries out heat analysis, ranging from 25 DEG C of warming temperature-using model NETZSCH DSC 404C thermal analyzers
700 DEG C, heating rate is 10 DEG C/min；Aluminum alloy plate materials carry out the survey of yield strength, tensile strength, elongation percentage under O state
Examination and the analysis of crystallization temperature section size, the results are shown in Table 2.
The mass fraction for each ingredient of aluminium alloy that table 1 is provided by embodiment 1-6
| Number | Si | Fe | Mg | Cr | Mn | Cu | Ti | Other | Al |
| Embodiment 1 | 0.15 | 0.14 | 2.0 | 0.45 | 0.06 | 0.02 | 0.016 | Surplus | |
| Embodiment 2 | 0.15 | 0.17 | 2.2 | 0.25 | 0.05 | 0.03 | 0.019 | Surplus | |
| Embodiment 3 | 0.15 | 0.15 | 2.5 | 0.35 | 0.06 | 0.03 | 0.018 | Surplus | |
| Embodiment 4 | 0.15 | 0.14 | 2.2 | 0.35 | 0.06 | 0.02 | 0.018 | Surplus | |
| Embodiment 5 | 0.25 | 0.15 | 2.2 | 0.35 | 0.05 | 0.04 | 0.017 | Surplus | |
| Embodiment 6 | 0.40 | 0.15 | 1.8 | 0.35 | 0.05 | 0.03 | 0.018 | Surplus |
Mechanical property and crystallization temperature section of the table 2 by the embodiment 1-6 each ingredients of 5052 aluminium alloys provided
| Product | Tensile strength/MPa | Yield strength/MPa | Elongation percentage/% | Crystallization temperature section/DEG C |
| M1 | 197 | 95 | 27.5 | 30 |
| M2 | 201 | 102 | 26.7 | 31 |
| M3 | 211 | 108 | 25.1 | 36 |
| M4 | 201 | 98 | 27.3 | 32 |
| M5 | 204 | 102 | 26.4 | 30 |
| M6 | 208 | 105 | 24.8 | 27 |
Foregoing description is only proposed as the enforceable technical solution of the present invention, not as the single limitation to its technical solution itself
Condition.
Claims (4)
1. a kind of aluminium alloy for high-throughput continuous casting and rolling narrow crystallization section, it is characterised in that the aluminium alloy includes
The weight percent of component and each component is as follows：Mg：1.8-2.5%, Cr：0.25-0.45%, Si：0.15-0.40%, Cu：0.01-
0.1%, Mn：0.01-0.1%, Ti：0.01-0.05%, Fe：0-0.35%, surplus Al.
2. the aluminium alloy according to claim 1 for high-throughput continuous casting and rolling narrow crystallization section, it is characterised in that：
The weight percent of component and each component that the aluminium alloy includes is as follows：Mg：1.8-2.5%, Cr：0.35-0.45%, Si：
0.20-0.40%, Cu：0.01-0.1%, Mn：0.05-0.06%, Ti：0.01-0.05%, Fe：0.14-0.17%, surplus Al.
3. the aluminium alloy according to claim 1 for high-throughput continuous casting and rolling narrow crystallization section, it is characterised in that：
The weight percent of component and each component that the aluminium alloy includes is as follows：Mg：2.5%, Cr：0.35%, Si：0.25%, Cu：
0.08%, Mn：0.06%, Ti：0.03%, Fe：0.15%, surplus Al.
4. the preparation process of the aluminium alloy according to claim 1 for high-throughput continuous casting and rolling narrow crystallization section,
It is characterized in that, its preparation process includes mainly smelting technology, casting technique and rolling mill practice；
First step smelting technology
Electrolytic aluminium liquid is added after prepurging；
After furnace charge all melts, skim in time in melt temperature control range planted agent, it must be into stove uniformly before skimming
It is sprinkled into solvent, 690-750 DEG C of melt temperature range of skimming；Slag rake leading portion must be goed deep into stove preheating before skimming 2 minutes with
On；It is steady when skimming, melt waviness cannot be made；Clinker requires to scratch clean, and takes molten aluminum out of less as possible, rake stops in fire door when skimming
Pause a moment, so that the molten aluminum carried secretly in slag returns in stove；
Alloyage materials：Fe Fe additives, the instant silicon of Si, Cr Cr additives；Melt temperature control when additive is added
System is advisable at 690-750 DEG C；Specific adding method：It dismantles after additive outer packing, additive is uniformly added into stove by hand,
Reaction 20 minutes；
Refining, chemical examination ingredient：Refining temperature is 690-750 DEG C；Refining uses chlorine and argon gas mixed gas；Ingredient is chemically examined, is taken
Sample temperature is 690-750 DEG C, takes three samples in stove respectively, and number is stamped after sample cooling, delivers laboratory chemical examination；
Refining, is skimmed at composition adjustment：Composition adjustment is carried out according to result of laboratory test, alloy addition is added after twenty minutes, carries out
It refines, skim and stepIt is identical；
Add magnesium ingot：Solvent-applied covers in time when adding magnesium ingot, continues stirring 20 minutes after magnesium ingot fusing, and sampling adds melting when magnesium
Body is advisable controlled at 700-750 DEG C；
It refines, same step of skimming；
It stands, turndown；
Second step casting technique
Crystal grain refinement：Using rodlike Al-5Ti-0.2B carry out crystal grain refinement, fining agent be added SNIF before chute in；
Online degasification：Online processing is carried out using SNIF depassing units, refining is Ar gas with gas；
On-line filtration：Porosity is used to be filtered for foamed ceramic filter plate single-stage；
Melt surveys hydrogen：Case molten aluminum hydrogen content is less than 0.15ml/100gAl before it is required that；
Third walks rolling mill practice
Cast out 19mm heavy-gauge sheetings be directly over three even be hot-rolled down to 6mm, 2mm is then cold-rolled to, under 350 DEG C of 3h annealing conditions
Obtain O state planks.
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| CN113462934A (en) * | 2021-06-15 | 2021-10-01 | 郑州大学 | 5xxx series aluminum alloy suitable for continuous casting and rolling process and preparation method thereof |
| CN113549797A (en) * | 2021-07-26 | 2021-10-26 | 郑州大学 | High-flux continuous casting and rolling aluminum-magnesium-manganese alloy plate for ship and production process thereof |
| CN113564640A (en) * | 2021-07-26 | 2021-10-29 | 郑州大学 | Tissue refining and homogenizing method for high-throughput aluminum alloy high-continuous casting and continuous rolling billet |
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| CN113462934A (en) * | 2021-06-15 | 2021-10-01 | 郑州大学 | 5xxx series aluminum alloy suitable for continuous casting and rolling process and preparation method thereof |
| CN113549797A (en) * | 2021-07-26 | 2021-10-26 | 郑州大学 | High-flux continuous casting and rolling aluminum-magnesium-manganese alloy plate for ship and production process thereof |
| CN113564640A (en) * | 2021-07-26 | 2021-10-29 | 郑州大学 | Tissue refining and homogenizing method for high-throughput aluminum alloy high-continuous casting and continuous rolling billet |
| CN113549797B (en) * | 2021-07-26 | 2022-04-22 | 郑州大学 | High-flux continuous casting and rolling aluminum-magnesium-manganese alloy plate for ship and production process thereof |
| US11674202B2 (en) | 2021-07-26 | 2023-06-13 | Zhengzhou University | High-throughout continuous casting and rolling Al—Mg—Mn alloy plate for ships and the preparation process thereof |
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