CN118064772B - High-reflectivity Al-Mg-Si alloy, preparation method and application - Google Patents
High-reflectivity Al-Mg-Si alloy, preparation method and application Download PDFInfo
- Publication number
- CN118064772B CN118064772B CN202410494672.6A CN202410494672A CN118064772B CN 118064772 B CN118064772 B CN 118064772B CN 202410494672 A CN202410494672 A CN 202410494672A CN 118064772 B CN118064772 B CN 118064772B
- Authority
- CN
- China
- Prior art keywords
- alloy
- cooling
- reflectivity
- temperature
- less
- 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.)
- Active
Links
- 238000002310 reflectometry Methods 0.000 title claims abstract description 22
- 229910021365 Al-Mg-Si alloy Inorganic materials 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 238000005242 forging Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 230000032683 aging Effects 0.000 claims description 16
- 238000010791 quenching Methods 0.000 claims description 14
- 230000000171 quenching effect Effects 0.000 claims description 14
- 238000003723 Smelting Methods 0.000 claims description 11
- 238000000265 homogenisation Methods 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 238000007872 degassing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims description 2
- 241001062472 Stokellia anisodon Species 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 229910052688 Gadolinium Inorganic materials 0.000 abstract description 3
- 229910052779 Neodymium Inorganic materials 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 229910052748 manganese Inorganic materials 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 25
- 239000000956 alloy Substances 0.000 description 21
- 229910045601 alloy Inorganic materials 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 239000002245 particle Substances 0.000 description 14
- 238000004321 preservation Methods 0.000 description 13
- 239000006104 solid solution Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 238000005507 spraying Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 8
- 238000002791 soaking Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 229910000861 Mg alloy Inorganic materials 0.000 description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 3
- 239000003574 free electron Substances 0.000 description 3
- 238000001192 hot extrusion Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Forging (AREA)
Abstract
The invention belongs to the technical field of nonferrous metal material preparation, and particularly relates to a high-reflectivity Al-Mg-Si alloy, a preparation method and application thereof, wherein the high-reflectivity Al-Mg-Si alloy comprises the following components in percentage by weight ,Mg 1.0-1.2%,Si 0.6-0.8%,Cu 0.15-0.20%,Mn≤0.05%,Cr≤0.05%,Zn≤0.05%,Ti≤0.05%,Fe≤0.03%,Nd 0.2-0.3%,Gd 0.2-0.35%,, and the balance of A1 and unavoidable impurities; the invention effectively improves the reflectivity of the Al-Mg-Si alloy.
Description
Technical Field
The invention belongs to the technical field of nonferrous metal material preparation, and particularly relates to a high-reflectivity Al-Mg-Si alloy, a preparation method and application.
Background
The Al-Mg-Si alloy material has the advantages of short processing period, good processing manufacturability, low cost and the like, and is a common material for the reflector in the optical system. The smooth surface of the alloy processed by the diamond single-point turning process can directly meet the imaging quality requirement of an infrared optical system, and the imaging quality can be effectively improved due to higher reflectivity. The high reflectivity aluminum alloy reflector has strict requirements on the selection of materials, and the compatibility of alloy components and the fine dispersion of the second phase particle size are required. At present, the second phase particles of the reflector material prepared from the materials with the conventional alloy component proportion are coarse and unevenly distributed, and the requirement of high reflectivity is difficult to meet.
Chinese patent application CN202311178237.4 discloses an aluminum magnesium alloy mirror surface material, a preparation method and application, wherein the aluminum magnesium alloy comprises the following components in percentage by weight: mg:4-4.8%, si 0-0.2%, fe:0-0.2%, cu 0-0.15%, mn:0-0.15%, cr 0-0.15%, zn:0-0.10%, ti less than or equal to 0.05%, and the balance A1, and unavoidable impurities; the preparation method comprises the steps of carrying out homogenization heat treatment on an aluminum magnesium alloy ingot, and then cooling at a cooling speed of more than 50 ℃/min; then hot extrusion is carried out, wherein the temperature of the hot extrusion is 350-400 ℃; then carrying out stretching straightening treatment, and finally carrying out annealing at the temperature of 250-300 ℃.
Disclosure of Invention
The invention aims to provide a high-reflectivity Al-Mg-Si alloy, a preparation method and application thereof, and the reflectivity of the Al-Mg-Si alloy is improved.
The embodiment of the invention provides a high-reflectivity Al-Mg-Si alloy, which comprises the following components by weight percent ,Mg 1.0-1.2%,Si 0.6-0.8%,Cu 0.15-0.20%,Mn ≤0.05%,Cr ≤0.05%,Zn ≤0.05%,Ti ≤0.05%,Fe ≤0.03%,Nd 0.2-0.3%,Gd 0.2-0.35%,, and the balance of A1 and unavoidable impurities.
The embodiment of the invention provides a preparation method of a high-reflectivity Al-Mg-Si alloy, which comprises the following steps of carrying out homogenization treatment on cast ingots smelted and cast by all components, three-way upsetting, solution quenching, cryogenic three-way compression and aging treatment to obtain the high-reflectivity Al-Mg-Si alloy.
In one embodiment, the preparation method of the cast ingot comprises the steps of mixing the components, heating and smelting, wherein the smelting temperature is 725-745 ℃, then carrying out degassing and refining (the time is 20-30 min), slagging off, preferably standing for 20-40min to obtain an aluminum melt, and then carrying out online wire feeding, degassing, filtering and casting in sequence to obtain the cast ingot.
In one embodiment, the homogenization treatment is carried out at 550-580 ℃ for 12h, cooling is carried out after the homogenization treatment, the cooling mode is that the temperature is cooled to 200 ℃ along with the furnace, then air cooling is carried out, and surface defects are removed after the temperature is cooled to below 60 ℃ (the mode is that ingot sawing and turning are carried out on a train wagon).
In one embodiment, the temperature of three-way upsetting is 400-460 ℃, the deformation speed is 10-30mm/s, and the pass compression amount is 40-60%.
In one embodiment, the solution temperature of solution quenching is 560 ℃, the heat preservation time is 1h, the quenching mode is water cooling, the water temperature is 25-30 ℃, and the transfer time of solution quenching is less than 5s.
In one embodiment, the deep cooling three-way compression method is to keep the forging stock after solution quenching for a period of time in an environment lower than-135 ℃ (preferably-135 to-150 ℃ and the cooling mode is liquid nitrogen spraying), and then perform three-way compression, wherein the compression deformation degree in the three directions is 2-5%.
In one embodiment, the temperature of the aging treatment is 160-170 ℃, the temperature is kept for 10-15 hours, and then the material is discharged from the furnace for air cooling.
The embodiment of the invention provides an application of the high-reflectivity Al-Mg-Si alloy, which is used for preparing mirror materials.
The invention has the beneficial effects that by properly adding Nd and Gd into the Al-Mg-Si alloy and optimizing the proportion, the volume and the size of the coarse and indissolvable second phase in an aluminum matrix tissue can be effectively reduced, the distribution uniformity is improved, the size of the second phase particles in the alloy is refined, and the distribution uniformity of the particles is improved; the interaction between free electrons and second phase particles is reduced, the scattering of electrons is reduced, the migration and average free path of the free electrons are improved, and the free electrons can pass through pores of the second phase particles through more channels, so that the reflectivity of the alloy is improved.
Drawings
FIG. 1 is a graph showing the relative reflectivities of the alloys of the examples and comparative examples at different wavelengths of incident light.
Fig. 2 is a scanned photograph of example 1.
Fig. 3 is a scanned photograph of comparative example 1.
Fig. 4 is a scanned photograph of comparative example 2.
Fig. 5 is a scanned photograph of comparative example 3.
FIG. 6 is a scanned photograph of comparative example 4.
Fig. 7 is a scanned photograph of comparative example 5.
Detailed Description
Example 1
A high-reflectivity Al-Mg-Si alloy and a preparation method thereof comprise the following steps:
and (3) batching: the alloy comprises the following components in percentage by weight: si:0.45%, fe:0.03%, cu:0.15%, mn:0.05%, mg:1.0%, cr:0.05%, zn:0.05%, ti:0.05%, nd:0.3%, gd:0.3 percent, the total amount of other unavoidable impurities is less than or equal to 0.02 percent, the total amount of other unavoidable impurities is less than or equal to 0.1 percent, and the balance is Al.
And (3) casting: placing the prepared alloy ingredients and a high-purity aluminum ingot with the purity of 99.99 percent into a sealed smelting furnace, then heating to 725 ℃ for smelting, slagging-off in the furnace, degassing and filtering, and finally entering a crystallizer for solidification into an ingot.
Homogenizing: carrying out homogenization heat treatment on the cast ingot, wherein the soaking furnace is a trolley type soaking furnace, argon is adopted in the furnace for atmosphere protection, the heating speed is less than 20 ℃/h, the temperature is increased to 560+/-3 ℃, the heat preservation time is 12h, the cooling mode is that after the cast ingot is cooled to 200 ℃ along with the furnace, a furnace door is opened to translate out of the furnace chamber for air cooling, and then sawing and milling are carried out to remove the surface layer tissue of the cast ingot.
Three-way upsetting and pulling: and heating the train wagon cast ingot, and performing three-way upsetting and pulling cogging treatment by a forging press, wherein the initial forging temperature of the cast ingot is 400 ℃, the deformation speed is 20mm/s, and the pass deformation is 50%.
Solution hardening: and carrying out solid solution treatment on the forged blank after the three-way forging, wherein the solid solution temperature is 525 ℃, the heat preservation time is 1h, quenching is carried out immediately after the heat preservation is finished, and the quenching transfer time is less than or equal to 5s.
Cryogenic three-way compression: and cooling the solid solution alloy blank by adopting a liquid nitrogen spraying mode, cooling to-140 ℃, preserving heat for 10min, and then performing three-way compression treatment, wherein the strain is 2%, and the liquid nitrogen spraying cooling is continuously kept in the deformation process.
Aging treatment: aging the forging stock subjected to deep cooling compression deformation in an aging furnace, heating to 165 ℃, preserving heat for 12 hours, and then discharging and air cooling.
As can be seen from fig. 2, the second phase particles in the aluminum matrix can be significantly refined and the distribution uniformity can be improved by adopting the process of the invention.
Comparative example 1
The specific process flow comprises the following steps:
And (3) batching: the alloy comprises the following components in percentage by weight: si:0.45%, fe:0.03%, cu:0.15%, mn:0.05%, mg:1.0%, cr:0.05%, zn:0.05%, ti:0.05%, nd:0.6 percent, the total amount of other unavoidable impurities is less than or equal to 0.02 percent, the total amount of other unavoidable impurities is less than or equal to 0.1 percent, and the balance is Al.
And (3) casting: placing the prepared alloy ingredients and a high-purity aluminum ingot with the purity of 99.99 percent into a sealed smelting furnace, then heating to 725 ℃ for smelting, slagging-off in the furnace, degassing and filtering, and finally entering a crystallizer for solidification into an ingot.
Homogenizing: carrying out homogenization heat treatment on the cast ingot, wherein the soaking furnace is a trolley type soaking furnace, argon is adopted in the furnace for atmosphere protection, the heating speed is less than 20 ℃/h, the temperature is increased to 560+/-3 ℃, the heat preservation time is 12h, the cooling mode is that after the cast ingot is cooled to 200 ℃ along with the furnace, a furnace door is opened to translate out of the furnace chamber for air cooling, and then sawing and milling are carried out to remove the surface layer tissue of the cast ingot.
Three-way upsetting and pulling: and heating the train wagon cast ingot, and performing three-way upsetting and pulling cogging treatment by a forging press, wherein the initial forging temperature of the cast ingot is 400 ℃, the deformation speed is 20mm/s, and the pass deformation is 50%.
Solution hardening: and carrying out solid solution treatment on the forged blank after the three-way forging, wherein the solid solution temperature is 525 ℃, the heat preservation time is 1h, quenching is carried out immediately after the heat preservation is finished, and the quenching transfer time is less than or equal to 5s.
Cryogenic three-way compression: and cooling the solid solution alloy blank by adopting a liquid nitrogen spraying mode, cooling to-140 ℃, preserving heat for 10min, and then performing three-way compression treatment, wherein the strain is 2%, and the liquid nitrogen spraying cooling is continuously kept in the deformation process.
Aging treatment: aging the forging stock subjected to deep cooling compression deformation in an aging furnace, heating to 165 ℃, preserving heat for 12 hours, and then discharging and air cooling.
Fig. 3 is a scanned photograph of comparative example 1, and it is understood from a comparison of fig. 3 and fig. 2 that the second phase particle size of comparative example 1 is significantly increased.
Comparative example 2
The specific process flow comprises the following steps:
And (3) batching: the alloy comprises the following components in percentage by weight: si:0.45%, fe:0.03%, cu:0.15%, mn:0.05%, mg:1.0%, cr:0.05%, zn:0.05%, ti:0.05%, gd:0.6 percent, the total amount of other unavoidable impurities is less than or equal to 0.02 percent, the total amount of other unavoidable impurities is less than or equal to 0.1 percent, and the balance is Al.
And (3) casting: placing the prepared alloy ingredients and a high-purity aluminum ingot with the purity of 99.99 percent into a sealed smelting furnace, then heating to 725 ℃ for smelting, slagging-off in the furnace, degassing and filtering, and finally entering a crystallizer for solidification into an ingot.
Homogenizing: carrying out homogenization heat treatment on the cast ingot, wherein the soaking furnace is a trolley type soaking furnace, argon is adopted in the furnace for atmosphere protection, the heating speed is less than 20 ℃/h, the temperature is increased to 560+/-3 ℃, the heat preservation time is 12h, the cooling mode is that after the cast ingot is cooled to 200 ℃ along with the furnace, a furnace door is opened to translate out of the furnace chamber for air cooling, and then sawing and milling are carried out to remove the surface layer tissue of the cast ingot.
Three-way upsetting and pulling: and heating the train wagon cast ingot, and performing three-way upsetting and pulling cogging treatment by a forging press, wherein the initial forging temperature of the cast ingot is 400 ℃, the deformation speed is 20mm/s, and the pass deformation is 50%.
Solution hardening: and carrying out solid solution treatment on the forged blank after the three-way forging, wherein the solid solution temperature is 525 ℃, the heat preservation time is 1h, quenching is carried out immediately after the heat preservation is finished, and the quenching transfer time is less than or equal to 5s.
Cryogenic three-way compression: and cooling the solid solution alloy blank by adopting a liquid nitrogen spraying mode, cooling to-140 ℃, preserving heat for 10min, and then performing three-way compression treatment, wherein the strain is 2%, and the liquid nitrogen spraying cooling is continuously kept in the deformation process.
Aging treatment: aging the forging stock subjected to deep cooling compression deformation in an aging furnace, heating to 165 ℃, preserving heat for 12 hours, and then discharging and air cooling.
Fig. 4 is a scanned photograph of comparative example 2, and it is understood from a comparison of fig. 4 and fig. 2 that the second phase particle size of comparative example 2 is significantly increased.
Comparative example 3
The specific process flow comprises the following steps:
And (3) batching: the alloy comprises the following components in percentage by weight: si:0.45%, fe:0.03%, cu:0.15%, mn:0.05%, mg:1.0%, cr:0.05%, zn:0.05%, ti:0.05%, nd 0.1%, gd:0.1 percent, the total amount of other unavoidable impurities is less than or equal to 0.02 percent, the total amount of other unavoidable impurities is less than or equal to 0.1 percent, and the balance is Al.
And (3) casting: placing the prepared alloy ingredients and a high-purity aluminum ingot with the purity of 99.99 percent into a sealed smelting furnace, then heating to 725 ℃ for smelting, slagging-off in the furnace, degassing and filtering, and finally entering a crystallizer for solidification into an ingot.
Homogenizing: carrying out homogenization heat treatment on the cast ingot, wherein the soaking furnace is a trolley type soaking furnace, argon is adopted in the furnace for atmosphere protection, the heating speed is less than 20 ℃/h, the temperature is increased to 560+/-3 ℃, the heat preservation time is 12h, the cooling mode is that after the cast ingot is cooled to 200 ℃ along with the furnace, a furnace door is opened to translate out of the furnace chamber for air cooling, and then sawing and milling are carried out to remove the surface layer tissue of the cast ingot.
Three-way upsetting and pulling: and heating the train wagon cast ingot, and performing three-way upsetting and pulling cogging treatment by a forging press, wherein the initial forging temperature of the cast ingot is 400 ℃, the deformation speed is 20mm/s, and the pass deformation is 50%.
Solution hardening: and carrying out solid solution treatment on the forged blank after the three-way forging, wherein the solid solution temperature is 525 ℃, the heat preservation time is 1h, quenching is carried out immediately after the heat preservation is finished, and the quenching transfer time is less than or equal to 5s.
Cryogenic three-way compression: and cooling the solid solution alloy blank by adopting a liquid nitrogen spraying mode, cooling to-140 ℃, preserving heat for 10min, and then performing three-way compression treatment, wherein the strain is 2%, and the liquid nitrogen spraying cooling is continuously kept in the deformation process.
Aging treatment: aging the forging stock subjected to deep cooling compression deformation in an aging furnace, heating to 165 ℃, preserving heat for 12 hours, and then discharging and air cooling.
Fig. 5 is a scanned photograph of comparative example 3, and it is understood from a comparison of fig. 5 and fig. 2 that the second phase particle size of comparative example 3 is significantly increased and the uniformity of particle distribution is deteriorated.
Comparative example 4
Comparative example 4 is different from example 1 in that the ingredients are different, and otherwise the same as example 1, the ingredients of comparative example 4 are:
the alloy comprises the following components in percentage by weight: si:0.03%, fe:0.03%, cu:0.05%, mn:0.05%, mg:4.3%, cr:0.05%, zn:0.05%, ti:0.05 percent, the total amount of other unavoidable impurities is less than or equal to 0.02 percent, the total amount of other unavoidable impurities is less than or equal to 0.1 percent, and the balance is Al.
Fig. 6 is a scanned photograph of comparative example 4, and it is understood from a comparison of fig. 6 and fig. 2 that the second phase particle size of comparative example 4 is significantly increased and the uniformity of particle distribution is deteriorated.
Comparative example 5
Comparative example 5 is different from example 1 in that the ingredients are different, otherwise the same as example 1, the ingredients of comparative example 5 are:
The alloy comprises the following components in percentage by weight: si:0.03%, fe:0.03%, cu:0.05%, mn:0.05%, mg:4.3%, cr:0.05%, zn:0.05%, ti:0.05%, nd:0.3%, gd:0.3 percent, the total amount of other unavoidable impurities is less than or equal to 0.02 percent, the total amount of other unavoidable impurities is less than or equal to 0.1 percent, and the balance is Al.
Fig. 7 is a scanned photograph of comparative example 5, and it is understood from a comparison of fig. 7 and fig. 2 that the second phase particle size of comparative example 5 increases.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of protection of the application is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order and there are many other variations of the different aspects of one or more embodiments of the application as described above, which are not provided in detail for the sake of brevity.
One or more embodiments of the present application are intended to embrace all such alternatives, modifications and variations as fall within the broad scope of the present application. Accordingly, any omissions, modifications, equivalents, improvements and others which are within the spirit and principles of the one or more embodiments of the application are intended to be included within the scope of the application.
Claims (9)
1. The high-reflectivity Al-Mg-Si alloy is characterized by comprising the following components in percentage by weight: 0.45%, fe:0.03%, cu:0.15%, mn:0.05%, mg:1.0%, cr:0.05%, zn:0.05%, ti:0.05%, nd:0.3%, gd:0.3 percent, the total amount of other unavoidable impurities is less than or equal to 0.02 percent, the total amount of other unavoidable impurities is less than or equal to 0.1 percent, and the balance is Al.
2. The method for preparing the high-reflectivity Al-Mg-Si alloy according to claim 1, which comprises the steps of carrying out homogenization treatment, three-way upsetting, solution quenching, deep-cooling three-way compression and aging treatment on ingots obtained by smelting and casting the components to obtain the high-reflectivity Al-Mg-Si alloy.
3. The method of claim 2, wherein the ingot is prepared by mixing the components, heating to smelt at 725-745 ℃, degassing, refining, skimming to obtain an aluminum melt, and then feeding the melt on line, degassing, filtering and casting to obtain the ingot.
4. The method according to claim 2, wherein the homogenization treatment is carried out at 550-580 ℃, and the homogenization treatment is followed by cooling to 200 ℃ with the furnace, then air cooling, and removing surface defects after cooling to 60 ℃ or less.
5. The method of claim 2, wherein the three-way upsetting temperature is 400-460 ℃, the deformation speed is 10-30mm/s, and the pass compression is 40-60%.
6. The method according to claim 2, wherein the solution hardening is carried out at a solution temperature of 560 ℃ by water cooling at a water temperature of 25-30 ℃ and a transfer time of less than 5s.
7. The method of claim 2, wherein the deep-cooling three-way compression is performed by holding the solution quenched forging stock at a temperature lower than-135 ℃ for a period of time and then performing three-way compression, wherein the degree of compression deformation in three directions is 2-5%.
8. The method of claim 2, wherein the aging treatment is at a temperature of 160-170 ℃.
9. Use of a high reflectivity Al-Mg-Si alloy according to claim 1 for the preparation of mirror materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410494672.6A CN118064772B (en) | 2024-04-24 | 2024-04-24 | High-reflectivity Al-Mg-Si alloy, preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410494672.6A CN118064772B (en) | 2024-04-24 | 2024-04-24 | High-reflectivity Al-Mg-Si alloy, preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118064772A CN118064772A (en) | 2024-05-24 |
| CN118064772B true CN118064772B (en) | 2024-06-25 |
Family
ID=91095645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410494672.6A Active CN118064772B (en) | 2024-04-24 | 2024-04-24 | High-reflectivity Al-Mg-Si alloy, preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118064772B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282695A (en) * | 2016-11-07 | 2017-01-04 | 江苏理工学院 | A kind of 6061 aluminium alloys of doped with rare-earth elements yttrium and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1430758A (en) * | 1972-08-23 | 1976-04-07 | Alcan Res & Dev | Aluminium alloys |
| JPH036345A (en) * | 1989-06-02 | 1991-01-11 | Daido Metal Co Ltd | Aluminum-base alloy for sliding use excellent in fatigue resistance and seizure resistance |
| CN102051562A (en) * | 2009-11-03 | 2011-05-11 | 北京有色金属研究总院 | Process for homogenizing aluminum alloy |
| UA96812C2 (en) * | 2010-01-21 | 2011-12-12 | Юлий Викторович Мильман | Aluminium cast alloy containing magnesium and silicon |
| KR20140041285A (en) * | 2012-09-27 | 2014-04-04 | 현대제철 주식회사 | High strength al-mg-si based alloy and method of manufacturing the same |
| CN106967909B (en) * | 2017-02-27 | 2018-06-08 | 广东省材料与加工研究所 | A kind of high tough Al-Mg-Si-type aluminum alloy and preparation method thereof |
| CN116397143A (en) * | 2023-03-23 | 2023-07-07 | 广东坚美铝型材厂（集团）有限公司 | Aluminum alloy for blow molding die, preparation method of aluminum alloy and blow molding die |
-
2024
- 2024-04-24 CN CN202410494672.6A patent/CN118064772B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282695A (en) * | 2016-11-07 | 2017-01-04 | 江苏理工学院 | A kind of 6061 aluminium alloys of doped with rare-earth elements yttrium and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118064772A (en) | 2024-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108425050B (en) | High-strength high-toughness aluminum lithium alloy and preparation method thereof | |
| JP3194742B2 (en) | Improved lithium aluminum alloy system | |
| CN106350716A (en) | High-strength exterior-part aluminum alloy material and manufacturing method thereof | |
| WO2023125263A1 (en) | Composite rare earth alloy for aluminum alloy modification and preparation method therefor | |
| EP1709210A1 (en) | Aluminum alloy for producing high performance shaped castings | |
| CN104611617B (en) | A kind of liquid forging Al-Cu-Zn aluminium alloy and preparation method thereof | |
| CN111560550A (en) | Homogenization heat treatment method for Mg-Gd-Y rare earth magnesium alloy ingot | |
| WO2023125282A1 (en) | High-plasticity composite modified aluminum alloy part and preparation method therefor | |
| CN111074121B (en) | Aluminum alloy and preparation method thereof | |
| CN111607726B (en) | Rare earth magnesium alloy and preparation method thereof | |
| CN118064772B (en) | High-reflectivity Al-Mg-Si alloy, preparation method and application | |
| CN115558828B (en) | Heat-resistant low-vanadium Al-Cu-Mg-Ag alloy and application thereof | |
| CN115449683B (en) | Magnesium alloy and preparation method thereof | |
| CN112430766A (en) | High-strength low-yield-ratio 6-series aluminum alloy and preparation method thereof | |
| CN115433859B (en) | Modification method of deformed aluminum alloy based on rare earth alloy | |
| WO2023125266A1 (en) | High-plasticity aluminum alloy part and manufacturing method therefor | |
| WO2023125265A1 (en) | High-strength composite modified aluminum alloy part and preparation method therefor | |
| CN109022857B (en) | Method for increasing recrystallization temperature of aluminum alloy | |
| CN117107119A (en) | Die-casting aluminum alloy with high conductivity and high strength and toughness and preparation method thereof | |
| JPH10317114A (en) | Manufacture of medium-strength al-mg-si alloy extruded material excellent in air hardening property | |
| CN114411024B (en) | Slab ingot for anodic oxidation 5xxx series aluminum material and preparation method thereof | |
| CN113444926B (en) | High-strength corrosion-resistant 6XXX aluminum alloy section and preparation method thereof | |
| CN115505799B (en) | High-strength and high-toughness gravity casting aluminum alloy and preparation method and application thereof | |
| CN115572868B (en) | Low-performance and hardness 6-series aluminum alloy and preparation method thereof | |
| CN111197129B (en) | Copper-aluminum-manganese alloy and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |