CN113500174A - Ultra-high strength lightweight fixed support - Google Patents
Ultra-high strength lightweight fixed support Download PDFInfo
- Publication number
- CN113500174A CN113500174A CN202110708384.2A CN202110708384A CN113500174A CN 113500174 A CN113500174 A CN 113500174A CN 202110708384 A CN202110708384 A CN 202110708384A CN 113500174 A CN113500174 A CN 113500174A
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- Prior art keywords
- magnesium
- based composite
- heating
- high strength
- stirring
- Prior art date
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 36
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 36
- 239000011777 magnesium Substances 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000007872 degassing Methods 0.000 claims abstract description 21
- 239000004088 foaming agent Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 19
- VHHHONWQHHHLTI-UHFFFAOYSA-N hexachloroethane Chemical compound ClC(Cl)(Cl)C(Cl)(Cl)Cl VHHHONWQHHHLTI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 12
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000007670 refining Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 238000004512 die casting Methods 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 229910033181 TiB2 Inorganic materials 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 229910000048 titanium hydride Inorganic materials 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 10
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- -1 on one hand Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
- C22C1/08—Alloys with open or closed pores
-
- 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
- C22C1/08—Alloys with open or closed pores
- C22C1/083—Foaming process in molten metal other than by powder metallurgy
- C22C1/086—Gas foaming process
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/06—Alloys based on magnesium with a rare earth metal as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
- C22C32/0063—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides based on SiC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses an ultrahigh-strength lightweight fixed support which is made of a magnesium-based composite board, and a preparation method of the magnesium-based composite board comprises the following steps: heating AZ31 magnesium alloy to a semi-molten state, adding a grain refining agent and a foaming agent, heating to completely melt, cooling, and introducing a hexachloroethane degassing agent for degassing; cooling the molten liquid to a semi-solid state after the degassing treatment is finished, adding a foaming agent and preheated nano silicon carbide particles into the molten liquid to obtain a mixed melt, and then heating the mixed melt to be completely melted under the condition of keeping stirring to obtain a magnesium-based composite molten liquid; pouring the magnesium-based composite molten liquid into a preheated forming die for die-casting forming, heating the pressed magnesium-based composite plate, performing equal-channel angular extrusion, and performing roll forming to obtain the magnesium-based composite plate. The fixing support provided by the invention has the characteristics of high strength and light weight, and can effectively meet the use requirement.
Description
Technical Field
The invention relates to an ultrahigh-strength lightweight fixing support, and belongs to the field of automobile fixing supports.
Background
The mounting bracket of the vehicle should have sufficient strength, stiffness, toughness and tensile strength, and also need to be able to provide some shock absorption. Therefore, the common automobile fixing support is formed by welding an iron material or is prepared from an aluminum alloy with relatively high price, and is assisted by shock-absorbing pads such as rubber, so that the weight is large, or the mechanical property is poor, and the use requirement of a long-time harsh environment is difficult to meet.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the ultrahigh-strength lightweight fixed support which has the characteristics of high strength and lightweight and can effectively meet the use requirement.
The technical scheme adopted by the invention is as follows:
the ultrahigh-strength lightweight fixed support is manufactured by blanking, forming, punching and post-processing magnesium-based composite plates, wherein the preparation method of the magnesium-based composite plates comprises the following steps:
the method comprises the following steps: heating AZ31 magnesium alloy to a semi-molten state, adding a grain refining agent and a foaming agent, heating to completely melt, cooling to 720-780 ℃, and introducing a hexachloroethane degassing agent for degassing; wherein, the grain refiner comprises the following components: zr, Y, Sr and TiB2Wherein the mass of Zr is 0.5-1.2% of the total mass of AZ31 magnesium alloy, the mass of Y is 1.5-3.5% of the total mass of AZ31 magnesium alloy, the mass of Sr is 0.2-1% of the total mass of AZ31 magnesium alloy, and TiB2The mass of the alloy is 0.5-0.8% of the total mass of the AZ31 magnesium alloy;
step two: cooling the molten liquid to a semi-solid state after degassing treatment, stirring the molten liquid along the same direction to form a vortex, adding a foaming agent and preheated nano silicon carbide particles into the molten liquid to obtain a mixed melt, introducing inert gas for protection while maintaining the stirring state, heating the mixed melt to be completely melted by heating to obtain the magnesium-based composite molten liquid, wherein the mass of the nano silicon carbide particles is 5-8% of the total mass of the AZ31 magnesium alloy;
step three: pouring the magnesium-based composite molten liquid prepared in the step two into a preheated forming die for die-casting forming, heating the pressed magnesium-based composite board, performing equal-channel angular extrusion, and performing roll forming to obtain the magnesium-based composite board.
Preferably, the introducing amount of the hexachloroethane is 0.5-0.7 percent of the total mass of the AZ31 magnesium alloy, and the treatment time is 8-12 min.
Further preferably, the blowing agent is TiH2The adding amount of the foaming agent in the step one is 2-3% of the total mass of the AZ31 magnesium alloy, and the adding amount of the foaming agent in the step two is 1-2% of the total mass of the AZ31 magnesium alloy.
Preferably, in the second step, the stirring is maintained for 30-40min under the condition that the stirring speed is 40-50r/min in the clockwise direction, then the stirring is performed for 20-30min under the condition that the stirring speed is 50-60r/min in the counterclockwise direction, then the stirring is performed for 30-40min under the condition that the stirring speed is 40-50r/min in the clockwise direction, and then the stirring is performed for 20-30min under the condition that the stirring speed is 50-60r/min in the counterclockwise direction until the mixed melt is heated to be completely melted to obtain the magnesium-based composite melt, and then the stirring mode is repeated for heat preservation for 1-2 h.
Further preferably, the inert gas in step two is argon.
Further preferably, the preheating temperature of the nano-sized silicon carbide particles in the second step is 600-620 ℃.
Further preferably, the preheating temperature of the forming mold in the second step is 350-.
Further preferably, the temperature for heating the magnesium-based composite plate before the middle channel angular extrusion in the step three is 180-.
Further preferably, in the third step, after the magnesium-based composite plate is extruded in the equal channel corner, the magnesium-based composite plate is formed by rolling for 3 times, wherein the temperature of each rolling is 300-320 ℃.
The invention has the beneficial effects that:
the addition of the grain refiner can refine the grains of the matrix to improve the strength of the plate, and the degassing treatment is carried out by introducing a hexachloroethane degassing agent, so that the double effects of degassing and refining the grains can be simultaneously achieved, hexachloroethane is introduced into an AZ31 magnesium alloy melt to form Al-C-O compound particles serving as heterogeneous crystal nuclei, and after the modification treatment of hexachloroethane, the grain size of the plate can be effectively reduced, and the tensile strength of the plate can be improved; by adding the nano silicon carbide particles, on one hand, crystal grains can be refined, on the other hand, more load can be borne by the matrix, and the strength of the plate is increased; the foaming agent is added to enable certain tiny pores to exist in the plate, so that the overall quality of the plate is reduced, and light weight is achieved.
Detailed Description
The present invention will be described in detail with reference to the following examples.
Example 1: the embodiment is an ultrahigh strength lightweight fixed bolster, and the fixed bolster is formed through unloading, blanking, shaping, punching a hole, aftertreatment preparation by magnesium-based composite board, its characterized in that: the preparation method of the magnesium-based composite plate comprises the following steps:
the method comprises the following steps: heating AZ31 magnesium alloy to a semi-molten state, adding a grain refining agent and a foaming agent, heating to completely melt, cooling to 720-780 ℃, and introducing a hexachloroethane degassing agent for degassing; wherein, the grain refiner comprises the following components: zr, Y, Sr and TiB2Wherein the mass of Zr is 0.5-1.2% of the total mass of AZ31 magnesium alloy, the mass of Y is 1.5-3.5% of the total mass of AZ31 magnesium alloy, the mass of Sr is 0.2-1% of the total mass of AZ31 magnesium alloy, and TiB2The mass of the alloy is 0.5-0.8% of the total mass of the AZ31 magnesium alloy;
step two: cooling the molten liquid to a semi-solid state after degassing treatment, stirring the molten liquid along the same direction to form a vortex, adding a foaming agent and preheated nano silicon carbide particles into the molten liquid to obtain a mixed melt, introducing inert gas for protection while maintaining the stirring state, heating the mixed melt to be completely melted by heating to obtain the magnesium-based composite molten liquid, wherein the mass of the nano silicon carbide particles is 5-8% of the total mass of the AZ31 magnesium alloy;
step three: pouring the magnesium-based composite molten liquid prepared in the step two into a preheated forming die for die-casting forming, heating the pressed magnesium-based composite board, performing equal-channel angular extrusion, and performing roll forming to obtain the magnesium-based composite board.
In the embodiment, in order to reduce the grain size of the plate and improve the tensile strength of the plate, a hexachloroethane degassing agent is introduced into a melt after a grain refining agent and a foaming agent are added for degassing, so that the double effects of degassing and refining grains can be achieved, hexachloroethane is introduced into an AZ31 magnesium alloy melt to form Al-C-O compound particles serving as heterogeneous crystal nuclei, and after modification treatment of hexachloroethane, the grain size of the prepared plate is reduced, the tensile strength is improved, the introduction amount of hexachloroethane is 0.5-0.7% of the total mass of the AZ31 magnesium alloy, and the treatment time is 8-12 min.
In this example, the blowing agent was TiH2The adding amount of the foaming agent in the first step is 2-3% of the total mass of the AZ31 magnesium alloy, and the adding amount of the foaming agent in the second step is 1-2% of the total mass of the AZ31 magnesium alloy; the addition of the foaming agent can enable a certain amount of tiny pores to exist in the prepared plate, so that the overall quality of the plate is reduced, and the light weight is realized.
In the embodiment, in the second step, the stirring is maintained for 30-40min under the condition that the stirring speed is 40-50r/min in the clockwise direction, then the stirring is performed for 20-30min under the condition that the stirring speed is 50-60r/min in the counterclockwise direction, then the stirring is performed for 30-40min under the condition that the stirring speed is 40-50r/min in the clockwise direction, and then the stirring is performed for 20-30min under the condition that the stirring speed is 50-60r/min in the counterclockwise direction until the mixed melt is heated to be completely melted to obtain the magnesium-based composite melt, and then the stirring mode is repeated for heat preservation for 1-2 h.
In this embodiment, the inert gas in the second step is argon, and the protection of argon can reduce the interface oxidation during the heating process.
In this embodiment, the preheating temperature of the nano-sized silicon carbide particles in the second step is 600-.
In this embodiment, the preheating temperature of the forming mold in the second step is 350-.
In the embodiment, the temperature for heating the magnesium-based composite plate before the equal channel corner extrusion in the third step is 180-200 ℃; in the third step, after the magnesium-based composite board is extruded in equal channel corners, the magnesium-based composite board is formed by 3 times of rolling, wherein the temperature of each rolling is 300-320 ℃; the equal-channel angular extrusion can enable the plate to obtain uniform and obviously refined grain structure, and can improve the strength of the plate; the plate crystal grains can be further more uniform through multiple times of heating and rolling, and the improvement of the plate strength is facilitated.
In conclusion, the invention can refine the crystal grains of the matrix by adding the crystal grain refiner so as to improve the strength of the plate, can achieve the double effects of degassing and refining the crystal grains by introducing the hexachloroethane degassing agent for degassing, can form Al-C-O compound particles serving as heterogeneous crystal nuclei by introducing hexachloroethane into the AZ31 magnesium alloy melt, and can effectively reduce the crystal grain size of the plate and improve the tensile strength of the plate after the hexachloroethane modification treatment; by adding the nano silicon carbide particles, on one hand, crystal grains can be refined, on the other hand, more load can be borne by the matrix, and the strength of the plate is increased; the foaming agent is added to enable certain tiny pores to exist in the plate, so that the overall quality of the plate is reduced, the light weight is realized, and the fixing support made of the magnesium-based composite plate also has the advantages of high strength and light weight.
The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.
Claims (9)
1. Super high strength lightweight fixed bolster, the fixed bolster is formed through unloading, blanking, shaping, punching a hole, aftertreatment preparation by magnesium-based composite board, its characterized in that: the preparation method of the magnesium-based composite board comprises the following steps:
the method comprises the following steps: heating AZ31 magnesium alloy to semi-molten state, adding grain refining agent and foaming agent, heating to complete melting, cooling to 720-780 ℃, and coolingAdding hexachloroethane degassing agent for degassing treatment; wherein, the grain refiner comprises the following components: zr, Y, Sr and TiB2Wherein the mass of Zr is 0.5-1.2% of the total mass of AZ31 magnesium alloy, the mass of Y is 1.5-3.5% of the total mass of AZ31 magnesium alloy, the mass of Sr is 0.2-1% of the total mass of AZ31 magnesium alloy, and TiB2The mass of the alloy is 0.5-0.8% of the total mass of the AZ31 magnesium alloy;
step two: cooling the molten liquid to a semi-solid state after degassing treatment, stirring the molten liquid along the same direction to form a vortex, adding a foaming agent and preheated nano silicon carbide particles into the molten liquid to obtain a mixed melt, introducing inert gas for protection while maintaining the stirring state, heating the mixed melt to be completely melted by heating to obtain the magnesium-based composite molten liquid, wherein the mass of the nano silicon carbide particles is 5-8% of the total mass of the AZ31 magnesium alloy;
step three: pouring the magnesium-based composite molten liquid prepared in the step two into a preheated forming die for die-casting forming, heating the pressed magnesium-based composite board, performing equal-channel angular extrusion, and performing roll forming to obtain the magnesium-based composite board.
2. The ultra-high strength lightweight fixed support according to claim 1, wherein the amount of the hexachloroethane introduced is 0.5-0.7% of the total mass of the AZ31 magnesium alloy, and the treatment time is 8-12 min.
3. The ultra-high strength, lightweight fixed bracket of claim 1, wherein said foaming agent is TiH2The adding amount of the foaming agent in the step one is 2-3% of the total mass of the AZ31 magnesium alloy, and the adding amount of the foaming agent in the step two is 1-2% of the total mass of the AZ31 magnesium alloy.
4. The ultra-high strength lightweight fixed bracket according to claim 1, wherein in the second step, the stirring is maintained for 30-40min at a stirring speed of 40-50r/min in a clockwise direction, then the stirring is performed for 20-30min at a stirring speed of 50-60r/min in a counterclockwise direction, then the stirring is performed for 30-40min at a stirring speed of 40-50r/min in a clockwise direction, and then the stirring is performed for 20-30min at a stirring speed of 50-60r/min in a counterclockwise direction until the mixed melt is heated to be completely melted to obtain the magnesium-based composite melt, and then the stirring is repeated for heat preservation for 1-2 h.
5. The ultra-high strength, lightweight stationary bracket of claim 1, wherein the inert gas in step two is argon.
6. The ultra-high strength and lightweight fixed bracket as claimed in claim 1, wherein the preheating temperature of the nano-sized silicon carbide particles in the second step is 600-620 ℃.
7. The ultra-high strength lightweight fixed bracket as recited in claim 1, wherein the preheating temperature of the forming mold in the second step is 350-.
8. The ultra-high strength and lightweight fixed bracket as recited in claim 1, wherein the temperature for heating the magnesium-based composite plate before the equal channel angular pressing in the third step is 180-200 ℃.
9. The ultra-high strength lightweight fixed bracket according to claim 1, wherein in the third step, the magnesium-based composite plate is obtained by performing equal channel angular extrusion and then performing 3 times of rolling forming, wherein the temperature of each rolling is 300-320 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708384.2A CN113500174B (en) | 2021-06-25 | 2021-06-25 | Ultra-high strength lightweight fixed support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708384.2A CN113500174B (en) | 2021-06-25 | 2021-06-25 | Ultra-high strength lightweight fixed support |
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| CN113500174A true CN113500174A (en) | 2021-10-15 |
| CN113500174B CN113500174B (en) | 2022-11-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115074560A (en) * | 2022-06-30 | 2022-09-20 | 广东省科学院新材料研究所 | Titanium particle reinforced magnesium-based composite material and preparation method thereof |
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|---|---|---|---|---|
| CN1651585A (en) * | 2005-03-03 | 2005-08-10 | 上海交通大学 | Grain refiner for Mg-Al series magnesium alloy and preparation method thereof |
| CN101812607A (en) * | 2010-04-22 | 2010-08-25 | 东北轻合金有限责任公司 | Magnesium alloy refiner and preparation method thereof |
| CN102041419A (en) * | 2010-12-20 | 2011-05-04 | 昆明理工大学 | Grain refining method for AZ31 magnesium alloy |
| CN102409190A (en) * | 2011-11-23 | 2012-04-11 | 重庆理工大学 | Method for refining magnesium alloy grains by using Zn-Sr intermediate alloy |
| CN103421998A (en) * | 2013-07-11 | 2013-12-04 | 孝义市东义镁业有限公司 | Manufacturing technology for rare earth-magnesium alloy |
| CN111020271A (en) * | 2019-12-28 | 2020-04-17 | 陕西科技大学 | Nano SiC particle reinforced magnesium-based composite board and preparation method thereof |
-
2021
- 2021-06-25 CN CN202110708384.2A patent/CN113500174B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651585A (en) * | 2005-03-03 | 2005-08-10 | 上海交通大学 | Grain refiner for Mg-Al series magnesium alloy and preparation method thereof |
| CN101812607A (en) * | 2010-04-22 | 2010-08-25 | 东北轻合金有限责任公司 | Magnesium alloy refiner and preparation method thereof |
| CN102041419A (en) * | 2010-12-20 | 2011-05-04 | 昆明理工大学 | Grain refining method for AZ31 magnesium alloy |
| CN102409190A (en) * | 2011-11-23 | 2012-04-11 | 重庆理工大学 | Method for refining magnesium alloy grains by using Zn-Sr intermediate alloy |
| CN103421998A (en) * | 2013-07-11 | 2013-12-04 | 孝义市东义镁业有限公司 | Manufacturing technology for rare earth-magnesium alloy |
| CN111020271A (en) * | 2019-12-28 | 2020-04-17 | 陕西科技大学 | Nano SiC particle reinforced magnesium-based composite board and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115074560A (en) * | 2022-06-30 | 2022-09-20 | 广东省科学院新材料研究所 | Titanium particle reinforced magnesium-based composite material and preparation method thereof |
| CN115074560B (en) * | 2022-06-30 | 2023-03-14 | 广东省科学院新材料研究所 | Titanium particle reinforced magnesium matrix composite material and preparation method thereof |
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| Publication number | Publication date |
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| CN113500174B (en) | 2022-11-25 |
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