CN114411003B - Preparation device and preparation method of aluminum-silicon alloy wear-resistant material - Google Patents
Preparation device and preparation method of aluminum-silicon alloy wear-resistant material Download PDFInfo
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- CN114411003B CN114411003B CN202210103450.8A CN202210103450A CN114411003B CN 114411003 B CN114411003 B CN 114411003B CN 202210103450 A CN202210103450 A CN 202210103450A CN 114411003 B CN114411003 B CN 114411003B
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- aluminum
- silicon alloy
- resistant material
- heat preservation
- groove
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- 229910000676 Si alloy Inorganic materials 0.000 title claims abstract description 58
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 238000004321 preservation Methods 0.000 claims abstract description 43
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims abstract description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 13
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000011946 reduction process Methods 0.000 claims abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 239000002006 petroleum coke Substances 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 210000005056 cell body Anatomy 0.000 claims 2
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 abstract description 5
- 239000002344 surface layer Substances 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000011856 silicon-based particle Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22C21/04—Modified aluminium-silicon alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
-
- 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
Abstract
The invention provides a preparation device and a preparation method of an aluminum-silicon alloy wear-resistant material, which are used for preparing an aluminum-silicon alloy wear-resistant material with a foam metal hole on the surface layer. The preparation device comprises a heat preservation furnace with a furnace door at one side and a working groove arranged in the heat preservation furnace, wherein the working groove comprises a square barrel-shaped groove body with an outer flange at the upper part and a groove cover with a pouring hole at the middle part, an installation groove is arranged on the outer flange of the groove body, an isolation net is placed in the installation groove, the edge of the groove cover presses the isolation net, and the preparation device further comprises a fixing clamp used for fixing the outer flange of the groove body and the groove cover. Smelting an aluminum alloy melt, skimming impurities generated in the reduction process at a set temperature; placing alumina hollow spheres in a working groove, and then fixing a stainless steel net on the working groove; pouring molten aluminum-silicon alloy liquid into a working groove; and (3) preserving heat in a heat preserving furnace to prepare the aluminum-silicon alloy wear-resistant material with the surface foam metal layer width of 20-30 mm.
Description
Technical Field
The invention relates to the technical field of aluminum-silicon alloy wear-resistant material preparation, in particular to a device and a method for preparing aluminum-silicon alloy foam wear-resistant material.
Background
When the aluminum-silicon alloy wear-resistant material is used as the friction pair of a planar or industrial sliding rail device, if closed foam holes are formed in the surface layer of the wear-resistant material within a certain depth, the foam holes are communicated with the surface after surface processing, and when the aluminum-silicon alloy wear-resistant material is used as the friction pair for oil lubrication, holes on the surface can be used as oil storage spaces, so that the friction surface can be fully lubricated and noise generated by friction can be greatly reduced.
Silicon particles in the aluminum-silicon alloy wear-resistant material can obviously improve the wear resistance of the alloy, has the characteristics of small density and good heat and electric conductivity, and is a wear-resistant alloy material with extremely wide application range. The existing preparation process and equipment of the surface layer foam metal material are complex, the foam metal material is generally prepared in vacuum high-pressure equipment, the control of the size of foam holes is more difficult, silicon particles in a matrix are coarse, the abrasion phenomenon is more prominent during use, and the foam metal material can generate obvious heat and generate larger noise due to friction during use in some equipment.
Disclosure of Invention
The technical problem solved by the invention is to provide a preparation device of a refined grain aluminum-silicon alloy wear-resistant material with a simple structure and a foam hole surface layer, and a preparation method of the aluminum-silicon alloy wear-resistant material.
The technical scheme includes that the aluminum-silicon alloy wear-resistant material preparation device comprises a heat preservation furnace with a furnace door at one side, and a working groove arranged in the heat preservation furnace, wherein the working groove comprises a square barrel-shaped groove body with an outer flange at the upper part and a groove cover with a pouring hole at the middle part, an installation groove is arranged on the outer flange of the groove body, an isolation net is placed in the installation groove, and the edge of the groove cover presses the isolation net and further comprises a fixing clamp for fixing the outer flange of the groove body and the groove cover.
In a preferred embodiment of the aluminum-silicon alloy wear-resistant material preparation device, the isolation net is made of stainless steel.
Further, the aperture of the isolation net is 1.5-2.5mm.
The invention relates to a preparation device of an aluminum-silicon alloy wear-resistant material, which is characterized in that two sides of the upper part of a groove body are symmetrically provided with 2 hanging rings for hanging and unloading a working groove, and 4 angles of an isolation net are provided with 4 holding rings for disassembling the isolation net.
The invention relates to a preparation device of an aluminum-silicon alloy wear-resistant material, which is characterized by further comprising a movable workbench arranged on the outer side of a furnace door of a heat preservation furnace, wherein workbench rollers for bearing the motion of the workbench are arranged at the bottom of the workbench, a track paved inside the heat preservation furnace is arranged on the workbench, the track comprises an inner track arranged in the heat preservation furnace and an outer track arranged on the surface of the workbench, a track butt joint part of the inner track and the outer track is positioned in the heat preservation furnace, a group of track wheels are arranged at the bottom of the workbench, and the track wheels are matched with the track to enable a working groove to walk in and out of the heat preservation furnace.
The technical scheme of the preparation method of the aluminum-silicon alloy wear-resistant material provided by the invention is that the preparation method comprises the following steps:
step A, adding 75-80 parts by weight of aluminum ingot, 15-20 parts by weight of aluminum-silicon alloy material with 8-12% of silicon content and 4-5 parts by weight of carbonaceous reducing agent, smelting an aluminum alloy melt at 730-760 ℃, and skimming impurities generated in the reduction process at a set temperature;
step B, placing aluminum oxide hollow spheres which are 12-15% of the total mass of the aluminum alloy melt into a working groove of the aluminum-silicon alloy wear-resistant material preparation device according to any one of claims 1-5, and then fixing a stainless steel mesh on the working groove;
c, pouring 740-760 ℃ aluminum-silicon alloy molten liquid into a working groove;
and D, placing the working groove into a heat preservation furnace, wherein the heat preservation temperature is 630-660 ℃, the heat preservation time is 50-60min, and the aluminum-silicon alloy wear-resistant material with the surface foam metal layer width of 20-30mm is prepared.
According to a preferred embodiment of the preparation method of the aluminum-silicon alloy wear-resistant material, the diameter of the aluminum oxide hollow sphere is 3-5mm, and the aperture of the stainless steel mesh is 2-3mm.
According to the preparation method of the aluminum-silicon alloy wear-resistant material, an optimal implementation mode is that the aluminum-silicon alloy material is a reclaimed material, and the carbonaceous reducing agent is charcoal or petroleum coke.
In a preferred embodiment of the preparation method of the aluminum-silicon alloy wear-resistant material, the temperature is controlled to be 740-750 ℃ when impurities are skimmed from the aluminum melt in the step A.
In a preferred embodiment of the preparation method of the aluminum-silicon alloy wear-resistant material, the step C further comprises stirring the molten aluminum in the working groove, wherein the rotating speed of the stirrer is 800r/min, and the stirring time is 5min.
The invention has the following beneficial effects: the aluminum oxide hollow spheres which are 12-15% of the total mass of the aluminum alloy melt are poured into the working groove and then are floated upwards, and the isolation net can limit the aluminum oxide hollow spheres to continue to float upwards, so that foam holes with the width of 20-30mm can be formed on the surface layer of the aluminum silicon alloy, and the aluminum oxide working groove is simple in structure and convenient to operate; the aluminum-silicon alloy reclaimed material with proper silicon content is used as the raw material of silicon oxide in the aluminum-silicon alloy, aluminum ingots and the aluminum-silicon alloy reclaimed material can be simultaneously smelted at a lower temperature to prepare aluminum alloy melt, silicon oxide grains with refined grains can be formed in the alloy, the requirements on high temperature resistance of smelting equipment and a container are lower, the process is relatively simple, and the production cost can be reduced; the rails which are formed by the outer rails and the inner rails and are arranged inside the heat preservation furnace are paved on the workbench of the heat preservation furnace, so that the working groove can conveniently enter and exit the heat preservation furnace.
Drawings
FIG. 1 is a schematic diagram of the working tank and the holding furnace of the aluminum-silicon alloy wear-resistant material preparation device;
FIG. 2 is a cross-sectional view of a working channel according to one embodiment of the present invention;
fig. 3 is a schematic perspective view of the working channel of the present invention.
The reference numerals in the figures denote: 1-working groove, 2-holding furnace, 3-movable workbench, 4-track, 5-groove cover, 6-pouring gate, 7-isolation net, 8-fixing clip, 9-groove body, 10-track wheel, 11-hanging ring, 12-installation groove, 13-holding ring, 14-outer flange, 15-track butt joint part, 16-workbench roller, 17-inner track and 18-outer track.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-3 in combination, the apparatus for preparing an aluminum-silicon alloy wear-resistant material according to an embodiment of the present invention includes a heat preservation furnace 2, a furnace door (not shown) is disposed at one side of the heat preservation furnace 2, and a hoisting member is disposed at the top. The movable workbench 3 can be arranged outside the furnace door of the heat preservation furnace, the workbench bottom is symmetrically provided with a plurality of workbench rollers 16 for bearing the motion of the workbench, the workbench is paved with a track 4 inside the heat preservation furnace, the track comprises an inner track 17 part arranged inside the heat preservation furnace and an outer track 18 part arranged on the surface of the workbench, the track butt joint part 15 of the inner track and the outer track is positioned in the heat preservation furnace, the structure of the track butt joint part can ensure that the furnace door of the heat preservation furnace can be reliably closed after the workbench is removed to separate the inner track from the outer track, the bottom of the workbench is provided with a group of track wheels 10, and the track wheels and the track are matched to enable the working groove to walk in and out of the heat preservation furnace.
The working tank 1 is arranged in a heat preservation furnace, the working tank comprises a square barrel-shaped tank body 9 with an outer flange 14 at the upper part and a tank cover 5 with a pouring hole 6 in the middle part, an installation groove 12 is arranged on the outer flange of the tank body, an isolation net 7 is arranged in the installation groove, the edge of the tank cover presses the isolation net, the isolation net can be made of stainless steel materials, the aperture of the isolation net is generally 1.5-2.5mm, and the working tank further comprises a fixing clamp 8 for fixing the outer flange of the tank body and the tank cover. Two sides of the upper part of the tank body are symmetrically provided with 2 hanging rings 11 for hanging and unloading the working tank, and the hanging rings are used for hanging the working tank on or under a workbench. 4 holding rings 13 for disassembling and assembling the isolation net are arranged at the 4 corners of the isolation net, and one part of the holding rings can be held by hands to assemble the isolation net.
The preparation method of the aluminum-silicon alloy wear-resistant material comprises the following steps:
example 1
Adding 75 parts of aluminum ingot, 15 parts of aluminum-silicon alloy material with 8% of silicon content, 4 parts of charcoal and petroleum coke according to the parts by weight, smelting at 730 ℃ to prepare an aluminum alloy melt, and skimming aluminum melt impurities at 740 ℃; putting an alumina hollow sphere with the diameter of 3mm into a working groove, wherein the alumina hollow sphere accounts for 12% of the total mass of an aluminum alloy melt, and then fixing a stainless steel net with the aperture of 2mm on the working groove; pouring 740 ℃ aluminum-silicon alloy molten aluminum into a working tank, and stirring the molten aluminum in the working tank, wherein the rotating speed of a stirrer is 800r/min, and the stirring time is 5min; and (3) placing the working groove into a heat preservation furnace, wherein the heat preservation temperature is 630 ℃, the heat preservation time is 50min, and the aluminum-silicon alloy wear-resistant material with the surface foam metal layer width of 20mm, the porosity of 58% and the average pore diameter of 1.7mm is prepared.
Example 2
Adding 78 parts of aluminum ingot, 17 parts of aluminum-silicon alloy material with the silicon content of 10%, charcoal and 4 parts of petroleum coke according to parts by weight, smelting at 750 ℃ to prepare an aluminum alloy melt, and skimming aluminum melt impurities at 740 ℃; putting an alumina hollow sphere with the diameter of 4mm into a working groove, wherein the alumina hollow sphere accounts for 14% of the total mass of an aluminum alloy melt, and then fixing a stainless steel net with the aperture of 3mm on the working groove; pouring molten aluminum liquid of aluminum-silicon alloy at 750 ℃ into a working groove; and (3) placing the working groove into a heat preservation furnace, wherein the heat preservation temperature is 640 ℃, the heat preservation time is 55min, and the aluminum-silicon alloy wear-resistant material with the surface foam metal layer width of 25mm, the porosity of 61% and the average pore diameter of 2.3mm is prepared.
Example 3
Adding 80 parts of aluminum ingot, 20 parts of aluminum-silicon alloy material with 12% of silicon content, 5 parts of charcoal and petroleum coke according to parts by weight, smelting at 760 ℃ to prepare an aluminum alloy melt, and skimming aluminum melt impurities at 750 ℃; putting an alumina hollow sphere with the diameter of 5mm into a working groove, wherein the alumina hollow sphere accounts for 15% of the total mass of an aluminum alloy melt, and then fixing a stainless steel net with the aperture of 3mm on the working groove; pouring molten aluminum of aluminum-silicon alloy at 750 ℃ into a working tank, stirring the molten aluminum in the working tank, wherein the rotating speed of a stirrer is 800r/min, and the stirring time is 5min; and (3) placing the working groove into a heat preservation furnace, wherein the heat preservation temperature is 660 ℃, the heat preservation time is 60min, and the aluminum-silicon alloy wear-resistant material with the surface foam metal layer width of 30mm, the porosity of which is 69% and the average pore diameter of which is 2.6mm is prepared.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an aluminium silicon alloy wear-resisting material preparation facilities, includes heat preservation stove (2) that one side was equipped with the furnace gate and arranges working groove (1) in the heat preservation stove in, its characterized in that, working groove include that upper portion is equipped with square barrel form cell body (9) of outer flange (14) and middle part are equipped with capping (5) of pouring hole (6), are equipped with mounting groove (12) on the outer flange of cell body, place isolation net (7) in the mounting groove, the isolation net is pushed down at capping edge, still including fixing clip (8) that are used for fixed bath outer flange and capping.
2. The apparatus for producing an aluminum-silicon alloy wear-resistant material according to claim 1, wherein the isolation net is a stainless steel material.
3. The apparatus for producing an aluminum-silicon alloy wear-resistant material according to claim 1 or 2, wherein the aperture of the isolation net is 1.5-2.5mm.
4. The aluminum-silicon alloy wear-resistant material preparation device according to claim 3, wherein 2 hanging rings (11) for hanging and detaching the working groove are symmetrically arranged on two sides of the upper part of the groove body, and 4 holding rings (13) for detaching the isolation net are arranged at 4 corners of the isolation net.
5. The aluminum-silicon alloy wear-resistant material preparation device according to claim 3, further comprising a movable workbench (3) arranged on the outer side of the furnace door of the heat preservation furnace, wherein workbench rollers (16) for bearing the motion of the workbench are arranged at the bottom of the workbench, a track (4) which is paved inside the heat preservation furnace is arranged on the workbench, the track comprises an inner track (17) arranged in the heat preservation furnace and an outer track (18) arranged on the surface of the workbench, a track butt joint part (15) of the inner track and the outer track is positioned in the heat preservation furnace, a group of track wheels (10) are arranged at the bottom of the workbench, and the track wheels are matched with the track to enable the workbench to walk on the workbench to enter and exit the heat preservation furnace.
6. The preparation method of the aluminum-silicon alloy wear-resistant material is characterized by comprising the following steps of:
step A, adding 75-80 parts by weight of aluminum ingot, 15-20 parts by weight of aluminum-silicon alloy material with 8-12% of silicon content and 4-5 parts by weight of carbonaceous reducing agent, smelting at 730-760 ℃ to prepare aluminum alloy melt, skimming impurities generated in the reduction process at a set temperature;
step B, placing aluminum oxide hollow spheres which are 12-15% of the total mass of the aluminum alloy melt into a working groove of the aluminum-silicon alloy wear-resistant material preparation device according to any one of claims 1-5, and then fixing a stainless steel mesh on the working groove;
c, pouring 740-760 ℃ aluminum-silicon alloy molten liquid into a working groove;
and D, placing the working groove into a heat preservation furnace, wherein the heat preservation temperature is 630-660 ℃, the heat preservation time is 50-60min, and the aluminum-silicon alloy wear-resistant material with the surface foam metal layer width of 20-30mm is prepared.
7. The method for preparing the aluminum-silicon alloy wear-resistant material according to claim 6,
the aluminum oxide hollow sphere is characterized in that the diameter of the aluminum oxide hollow sphere is 3-5mm, and the aperture of the stainless steel mesh is 2-3mm.
8. The method for preparing the aluminum-silicon alloy wear-resistant material according to claim 6,
the aluminum-silicon alloy is characterized in that the aluminum-silicon alloy material is reclaimed material, and the carbonaceous reducing agent is charcoal and petroleum coke.
9. The method for preparing the aluminum-silicon alloy wear-resistant material according to claim 6,
wherein the temperature is controlled to 740-750 ℃ when the aluminum melt is skimmed of impurities in the step A.
10. The method for preparing the aluminum-silicon alloy wear-resistant material according to claim 6,
the method is characterized in that the step C also comprises stirring the molten aluminum in the working tank, wherein the rotating speed of the stirrer is 800r/min, and the stirring time is 5min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210103450.8A CN114411003B (en) | 2022-01-27 | 2022-01-27 | Preparation device and preparation method of aluminum-silicon alloy wear-resistant material |
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| CN202210103450.8A CN114411003B (en) | 2022-01-27 | 2022-01-27 | Preparation device and preparation method of aluminum-silicon alloy wear-resistant material |
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| CN114411003B true CN114411003B (en) | 2023-12-22 |
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| CN109468482A (en) * | 2018-12-18 | 2019-03-15 | 辽宁融达新材料科技有限公司 | A kind of high intensity foam aluminium plate preparation method |
| CN110791673A (en) * | 2019-10-23 | 2020-02-14 | 中国航空制造技术研究院 | Preparation method of nano-particle/hollow sphere composite reinforced metal matrix composite material |
| CN112941354A (en) * | 2021-01-27 | 2021-06-11 | 宁波赛孚新材料科技有限公司 | Hollow sphere foamed aluminum composite material and preparation method thereof |
| CN216639618U (en) * | 2022-01-27 | 2022-05-31 | 辽宁融达新材料科技有限公司 | Preparation device for aluminum-silicon alloy wear-resistant material |
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