CN117600446A - Oblique casting production method of aluminum box structural member - Google Patents
Oblique casting production method of aluminum box structural member Download PDFInfo
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- CN117600446A CN117600446A CN202311612614.0A CN202311612614A CN117600446A CN 117600446 A CN117600446 A CN 117600446A CN 202311612614 A CN202311612614 A CN 202311612614A CN 117600446 A CN117600446 A CN 117600446A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 65
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000005266 casting Methods 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 45
- 230000008569 process Effects 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 20
- 238000003723 Smelting Methods 0.000 claims abstract description 20
- 230000032683 aging Effects 0.000 claims abstract description 20
- 239000006104 solid solution Substances 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000005422 blasting Methods 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims description 12
- 238000010791 quenching Methods 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000005058 metal casting Methods 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003562 lightweight material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001887 electron backscatter diffraction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000005469 synchrotron radiation Effects 0.000 description 1
Classifications
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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
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/08—Shaking, vibrating, or turning of moulds
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- 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
- C22F1/043—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 silicon as the next major constituent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Metallurgy (AREA)
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- Crystallography & Structural Chemistry (AREA)
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Abstract
The invention belongs to the technical field of metal casting, and relates to a production method of an aluminum box structural member, which comprises the following steps of smelting, casting head cutting, heat treatment T6, shot blasting, machining and product test, wherein in the smelting process, an A356.2 aluminum alloy is heated into aluminum water, 0.35-0.5% of Mg and 0.15-0.25% of Cu; the casting procedure is that the temperature of the aluminum water is raised to 810-830 ℃, the mold is slowly rotated to 90 degrees, the aluminum water is injected into the mold cavity, after cooling, the mold returns to the original position, the mold is opened, and the product is dropped; and the heat treatment T6 procedure is carried out, the solid solution temperature is 540+/-5 ℃, the time is 5.0+/-0.5 h, the artificial aging temperature is 180+/-5 ℃, and the time is 5.0+/-0.5 h, and then the material is discharged and cooled in the air. The invention designs and optimizes the components of the cast aluminum alloy, and improves the mechanical property of the product; the casting temperature of the aluminum water is 810-830 ℃, so that the casting flow property is improved; the casting process of the box structural member is developed, the tilting angle is 90 degrees, the tilting time is 10-15S, the cooling time is 120-140S, the internal defects of the product are reduced, and the product strength and the production qualification rate are improved.
Description
Technical Field
The invention belongs to the technical field of metal casting, relates to aluminum alloy casting, and particularly relates to a production method of an aluminum box structural member.
Background
Along with the development of the transportation industry in China to the modern and high-speed directions, the light weight requirements of transportation tools are becoming stronger, and particularly important stress parts and structural parts such as airplanes, spacecrafts, railway vehicles, underground railways, high-speed trains, freight vehicles, automobiles, ships, artillery, tanks, mechanical equipment and the like with high light weight requirements are becoming more and more important. Meanwhile, along with the increasing prominence of world energy problems, new materials and new processes have to be adopted by various fuel vehicle manufacturing industries to lighten the dead weight of locomotives, reduce fuel consumption and serve as the key for improving the competitiveness. At present, the traditional box parts in the market mainly adopt iron castings, so that the lightweight trend cannot be adapted, and pollution emission and dust caused by the production process are very harmful to the environment and human health. The lightweight material not only can improve mechanical properties, reduce research and development cost and enhance cutting performance, but also can recycle excessive materials of products.
There are two main approaches to achieving mechanical lightweight in general: firstly, improving materials used by the machine itself; and secondly, an advanced design means is adopted, so that the mechanical structure is more reasonable. At present, most of researches on the aspect are focused on adopting novel materials, but the materials are difficult to be used on general box structural members due to the problems of manufacturing cost, processing technology, environmental protection and the like; the aluminum alloy is superior in cost, manufacturing technology, mechanical property expansibility and the like, and the aluminum alloy is required to be good in thermal conductivity and high in corrosion resistance in a use environment, and can obtain enough strength after a certain process treatment, so that the aluminum alloy can meet the performance requirement of replacing a steel structural member. Therefore, the aluminum alloy becomes the first choice light-weight material for future box structural members, and the realization of light weight is of more practical significance on the premise of ensuring that the mechanical property requirements are met through structural optimization.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to disclose an inclined casting production method of an aluminum box structural member.
Technical proposal
A tilt casting production method of an aluminum box structure comprises the following steps: smelting, casting, cutting off a casting head, heat treating T6, shot blasting, machining and product testing, wherein,
the smelting process comprises the steps of heating an A356.2 aluminum alloy into aluminum water, wherein the aluminum water comprises 0.35-0.5% of Mg, 0.15-0.25% of Cu and the balance of constant components according to mass ratio;
the casting procedure is that the temperature of the aluminum water is raised to 810-830 ℃, the aluminum water without impurities is scooped up and poured into an aluminum water tank of a mould, the automatic operation is started, the mould slowly rotates to 90 DEG, the aluminum water is injected into a mould cavity by gravity, after the aluminum water is cooled for 120-140 s, the mould returns, the mould is opened, and the product falls off;
and in the heat treatment T6 process, the solid solution temperature is 540+/-5 ℃, the solid solution time is 5.0+/-0.5 h, the water temperature before quenching is controlled to be 70-80 ℃, the water inlet time is not more than 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180+/-5 ℃, and the aging time is 5.0+/-0.5 h, and then the furnace is discharged for air cooling.
The invention discloses a better embodiment, wherein in the smelting process, the mass ratio of Mg is 0.40%.
The invention discloses a better embodiment, wherein Cu is 0.20% in mass ratio in the smelting process.
In the casting process, the casting flow property is improved, the temperature of the aluminum water is increased to 810-830 ℃, the aluminum water is injected into a die cavity while the die rotates, and the die is filled when the die rotates for 10-15 s to 90 degrees.
The invention discloses a better heat treatment T6 working procedure, wherein the solid solution temperature is 540 ℃, the solid solution time is 5.0h, the water temperature is controlled to 75 ℃ before quenching, the water inlet time is 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180 ℃, and the aging time is 5.0, and then the material is discharged from the furnace for air cooling.
The mechanical property of the aluminum box structural member produced by the method meets the requirement, wherein the tensile strength is more than or equal to 290MPa, and the yield strength is more than or equal to 210MPa.
The research approach of the invention mainly comprises:
(1) Developing high-strength casting aluminum alloy:
and simultaneously, comprehensively utilizing an autonomously developed solidification shrinkage load measuring device, an annular sample, an Optical Microscope (OM), a Scanning Electron Microscope (SEM), a Transmission Electron Microscope (TEM), an X-ray diffraction (XRD) and other characterization means to systematically characterize and analyze the alloy with different component ratios from different scales by utilizing a phase diagram thermodynamic calculation and an as-cast crystal grain size prediction model. The influence rule of main elements (Si, cu, mg and the like), microelements (Zr, ce, la and the like) and modifier types and contents on Jin Zhutai grain size and microstructure thereof in the Al-Si alloy is systematically researched, and the influence mechanism of structure evolution on alloy casting performance, mechanical performance and corrosion resistance is revealed. On the basis, the high-strength casting aluminum alloy composition is developed.
(2) Gravity tilting casting process development and optimization:
through numerical simulation and physical experiments, through solid modeling, by means of Procast finite element simulation software and in combination with a developed numerical model, the system researches the flow deformation and solidification behavior of the melt under the gravity tilting casting condition, reveals the action mechanism and defect formation mechanism of the melt flow deformation on microstructure non-uniformity under the coupling effect of gravity tilting and a temperature field, and provides a theoretical basis for improving the internal quality of castings; and (3) adopting an orthogonal experiment to obtain castings under different gravity tilting casting conditions, detecting dimensional accuracy, obtaining a room-temperature tensile property sample, and adopting Weibull statistical analysis to reveal the association relationship between process conditions and comprehensive properties. The microstructure, phase composition and morphology, mechanical property, heat conductivity and size morphology and distribution of casting defects are analyzed and tested by adopting the techniques of SEM, TEM, HRTEM, EBSD, XRD, synchrotron radiation, industrial CT, heat conductivity measurement, room temperature stretching experiment and the like. On the basis, the gravity tilting casting process suitable for industrialized mass production is designed.
(3) Development and optimization of heat treatment T6 process:
the existing T6 heat treatment process of A356.2 is used as a basis, the temperature and time parameters of solid solution and aging are reasonably adjusted, and the optimized process parameters are compared, adjusted, corrected and determined by testing and operating the A356.2 aluminum alloy sample, so that the T6 heat treatment process of the A356.2 aluminum alloy is improved. Experimental study shows that the invention can ensure that the performance and structure of the aluminum alloy A356.2 meet the requirement of high strength performance, reduce the production cost and improve the economic benefit on the basis of ensuring the original performance.
Advantageous effects
The invention designs and optimizes the components of the cast aluminum alloy, and improves the mechanical property of the product; the casting temperature of the aluminum water is 810-830 ℃, so that the casting flow property is improved; the casting process of the box structural member is developed, the tilting angle is 90 degrees, the tilting time is 10-15S, the cooling time is 120-140S, the internal defects of the product are reduced, and the product strength and the production qualification rate are improved.
Drawings
FIG. 1. Tensile strength graphs of samples prepared in examples 1-5;
FIG. 2. Yield strength plot of samples prepared in examples 1-5.
Detailed Description
The present invention will be described in detail with reference to the following examples, so that those skilled in the art can better understand the present invention, but the present invention is not limited to the following examples.
Example 1
A tilt casting production method of an aluminum box structure comprises the following steps: smelting, casting, cutting off a casting head, heat treating T6, shot blasting, machining and product testing, wherein,
the smelting process comprises the steps of heating an A356.2 aluminum alloy into aluminum water, and increasing the content of Mg and Cu after melting to ensure that the mass ratio of Mg to Cu is 0.42%, the mass ratio of Cu to Cu is 0.18%, and the balance of components are constant;
the casting procedure is that the temperature of the aluminum water is raised to 815 ℃, the aluminum water without impurities is scooped, poured into an aluminum water tank of a die, automatic operation is started, the die rotates for 15s, the die rotates to 90 degrees slowly, the aluminum water is injected into a die cavity due to gravity, after cooling for 120-140 s, the die returns, the die is opened, and the product falls off;
and in the heat treatment T6 process, the solid solution temperature is 540 ℃, the solid solution time is 5.0h, the water temperature before quenching is controlled at 75 ℃, the water inlet time is not more than 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180 ℃, and the aging time is 5.0h, and then the materials are discharged from the furnace for air cooling.
The 1# sample was produced according to the above method.
Example 2
A tilt casting production method of an aluminum box structure comprises the following steps: smelting, casting, cutting off a casting head, heat treating T6, shot blasting, machining and product testing, wherein,
the smelting process comprises the steps of heating an A356.2 aluminum alloy into aluminum water, and increasing the content of Mg and Cu after melting to ensure that the mass ratio of Mg to Cu is 0.39%, the mass ratio of Cu to Cu is 0.22%, and the balance of components are constant;
the casting procedure is that the temperature of the aluminum water is raised to 830 ℃, the aluminum water without impurities is scooped, poured into an aluminum water tank of a die, automatic operation is started, the die rotates for 15s, the die rotates to 90 degrees slowly, the aluminum water is injected into a die cavity due to gravity, after cooling for 120-140 s, the die returns, the die is opened, and the product falls off;
and in the heat treatment T6 process, the solid solution temperature is 540 ℃, the solid solution time is 5.0h, the water temperature is controlled to 80 ℃ before quenching, the water inlet time is not more than 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180 ℃, and the aging time is 5.0h, and then the materials are discharged from the furnace for air cooling.
The resulting sample # 2 was produced according to the above method.
Example 3
A tilt casting production method of an aluminum box structure comprises the following steps: smelting, casting, cutting off a casting head, heat treating T6, shot blasting, machining and product testing, wherein,
the smelting process comprises the steps of heating an A356.2 aluminum alloy into aluminum water, and increasing the content of Mg and Cu after melting to ensure that the mass ratio of Mg to Cu is 0.36%, the mass ratio of Cu to Cu is 0.25%, and the balance of components are constant;
the casting procedure is that the temperature of the aluminum water is increased to 810 ℃, the aluminum water without impurities is scooped, poured into an aluminum water tank of a die, automatic operation is started, the die rotates for 15s, the die rotates to 90 degrees slowly, the aluminum water is injected into a die cavity due to gravity, after cooling for 120-140 s, the die returns, the die is opened, and the product falls off;
and in the heat treatment T6 process, the solid solution temperature is 540 ℃, the solid solution time is 5.0h, the water temperature before quenching is controlled to 70 ℃, the water inlet time is not more than 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180 ℃, and the aging time is 5.0h, and then the materials are discharged from the furnace for air cooling.
The 3# sample was produced according to the method described above.
Example 4
A tilt casting production method of an aluminum box structure comprises the following steps: smelting, casting, cutting off a casting head, heat treating T6, shot blasting, machining and product testing, wherein,
the smelting process comprises the steps of heating an A356.2 aluminum alloy into aluminum water, and increasing the content of Mg and Cu after melting to ensure that the mass ratio of Mg to Cu is 0.36%, the mass ratio of Cu to Cu is 0.19%, and the balance of components are constant;
the casting procedure is that the temperature of the aluminum water is increased to 810 ℃, the aluminum water without impurities is scooped, poured into an aluminum water tank of a die, automatic operation is started, the die rotates for 15s, the die rotates to 90 degrees slowly, the aluminum water is injected into a die cavity due to gravity, after cooling for 120-140 s, the die returns, the die is opened, and the product falls off;
and in the heat treatment T6 process, the solid solution temperature is 540 ℃, the solid solution time is 5.0h, the water temperature is controlled to 80 ℃ before quenching, the water inlet time is not more than 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180 ℃, and the aging time is 5.0h, and then the materials are discharged from the furnace for air cooling.
The resulting sample # 4 was produced according to the above method.
Example 5
A tilt casting production method of an aluminum box structure comprises the following steps: smelting, casting, cutting off a casting head, heat treating T6, shot blasting, machining and product testing, wherein,
the smelting process comprises the steps of heating an A356.2 aluminum alloy into aluminum water, and increasing the content of Mg and Cu after melting to ensure that the mass ratio of Mg to Cu is 0.37%, the mass ratio of Cu to Cu is 0.19%, and the balance of components are constant;
the casting procedure is that the temperature of the aluminum water is raised to 830 ℃, the aluminum water without impurities is scooped, poured into an aluminum water tank of a die, automatic operation is started, the die rotates for 10 seconds, the die rotates to 90 degrees slowly, the aluminum water is injected into a die cavity due to gravity, after cooling for 120-140 seconds, the die returns, the die is opened, and the product falls off;
and in the heat treatment T6 process, the solid solution temperature is 540 ℃, the solid solution time is 5.0h, the water temperature before quenching is controlled to 70 ℃, the water inlet time is not more than 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180 ℃, and the aging time is 5.0h, and then the materials are discharged from the furnace for air cooling.
The resulting sample No. 5 was produced according to the above method.
The performance data of the five samples prepared in examples 1-5 after testing are shown in the following table:
as shown in the table above, the tensile strength of the product is improved by 30-40 Mpa, and the yield strength is improved by 50-60 Mpa.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The inclined casting production method of the aluminum box structural member comprises the steps of smelting, casting head cutting, heat treatment T6, shot blasting, machining and product test, and is characterized in that:
the smelting process comprises the steps of heating an A356.2 aluminum alloy into aluminum water, wherein the aluminum water comprises 0.35-0.5% of Mg, 0.15-0.25% of Cu and the balance of constant components according to mass ratio;
the casting procedure is that the temperature of the aluminum water is raised to 810-830 ℃, the aluminum water without impurities is scooped up and poured into an aluminum water tank of a mould, the automatic operation is started, the mould slowly rotates to 90 DEG, the aluminum water is injected into a mould cavity by gravity, after the aluminum water is cooled for 120-140 s, the mould returns, the mould is opened, and the product falls off;
and in the heat treatment T6 process, the solid solution temperature is 540+/-5 ℃, the solid solution time is 5.0+/-0.5 h, the water temperature before quenching is controlled to be 70-80 ℃, the water inlet time is not more than 5min, the basket transfer time is not more than 45s, the artificial aging control temperature is 180+/-5 ℃, and the aging time is 5.0+/-0.5 h, and then the furnace is discharged for air cooling.
2. The method for producing an aluminum tank type structural member by tilt casting according to claim 1, wherein: in the smelting process, the mass ratio of Mg is 0.40 percent.
3. The method for producing an aluminum tank type structural member by tilt casting according to claim 1, wherein: in the smelting process, cu is 0.20% according to mass ratio.
4. The method for producing an aluminum tank type structural member by tilt casting according to claim 1, wherein: in the casting process, the mold is rotated and molten aluminum is injected into the mold cavity, and the mold is rotated for 10-15 s until 90 degrees, so that the mold is completely filled.
5. The method for producing an aluminum tank type structural member by tilt casting according to claim 1, wherein: in the heat treatment T6 process, the solid solution temperature is 540 ℃, the solid solution time is 5.0h, the water temperature before quenching is controlled at 75 ℃, and the water inlet time is 5min.
6. The method for producing an aluminum tank type structural member by tilt casting according to claim 1, wherein: in the heat treatment T6 procedure, the artificial aging is controlled at 180 ℃, and the furnace is taken out for air cooling after the aging time is 5.0 h.
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