CN116144960B - Method for preparing beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing - Google Patents
Method for preparing beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing Download PDFInfo
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- CN116144960B CN116144960B CN202310167082.8A CN202310167082A CN116144960B CN 116144960 B CN116144960 B CN 116144960B CN 202310167082 A CN202310167082 A CN 202310167082A CN 116144960 B CN116144960 B CN 116144960B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1039—Sintering only by reaction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C25/00—Alloys based on beryllium
Abstract
The invention discloses a method for preparing beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing, which belongs to the field of metal matrix composite materials and comprises the following steps: (1) mixing: mixing industrial pure beryllium powder and aluminum alloy powder subjected to oxidation pretreatment to obtain beryllium/aluminum alloy mixed powder; (2) cold pressing: placing the beryllium/aluminum alloy mixed powder into a cold pressing mold for cold pressing to obtain a beryllium/aluminum alloy cold pressed compact; (3) semi-solid secondary cooling and hot pressing: semi-solid secondary cooling and hot pressing are carried out on the beryllium/aluminum alloy cold pressed blank in a protective atmosphere, so as to obtain a beryllium/aluminum alloy hot pressed blank; (4) in-situ reduction sintering: and carrying out in-situ reduction sintering on the beryllium/aluminum alloy hot-pressed blank in a protective atmosphere to obtain the beryllium/aluminum alloy composite material with a good metallurgical bonding interface.
Description
Technical Field
The invention discloses a method for preparing a beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing, and belongs to the field of metal matrix composite materials.
Background
The beryllium/aluminum alloy composite material combines the rigidity of beryllium and the toughness of aluminum, has excellent characteristics of low density, high specific strength, high specific rigidity and the like, can be widely applied to the fields of aerospace, traffic, military industry and the like, and becomes an important novel structural material gradually.
At present, the preparation methods of beryllium/aluminum alloy composite materials mainly comprise a casting method and a powder metallurgy method. Because the beryllium and the aluminum have larger melting point difference (about 629 ℃), when the beryllium-beryllium aluminum alloy is prepared by adopting a casting method, the beryllium phase and the aluminum-beryllium eutectic phase are firstly separated out, the beryllium phase needs to be fed in a wider solidification temperature range, and the dendritic crystal of the beryllium phase which is firstly solidified can block the flow of the aluminum phase, so that the casting defects of coarse structure, component segregation, shrinkage porosity, hot cracking and the like of the composite material are extremely easy to cause. The powder metallurgy method is carried out by means of cold isostatic pressing, hot isostatic pressing, vacuum hot pressing, spark plasma sintering and the like, the grain size of the prepared beryllium/aluminum alloy composite material is relatively small, defects such as cracks, looseness, segregation, inclusion and the like can be effectively avoided, and the powder metallurgy beryllium/aluminum alloy composite material has relatively high mechanical properties, but has the defects of complex process, high requirements on equipment and the like, and is limited in industrial application.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a method for preparing a beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing, which is a powder metallurgy method with simple process and low cost, solves the problems of complex process, high requirement on equipment and the like existing in the existing preparation of the beryllium/aluminum alloy composite material by a powder metallurgy method, and obtains the beryllium/aluminum alloy composite material with good metallurgical bonding interface; the method comprises the steps of oxidizing and pre-treating aluminum alloy powder (Al/Al 2 O 3 Composite particles) and industrial beryllium powder, performing semi-solid secondary cooling and hot pressing after mixing and cold pressing, and then performing in-situ reduction sintering to obtain the beryllium/aluminum alloy composite material.
Preferably, the aluminum alloy powder oxidation pretreatment of the invention is as follows: heating aluminum alloy powder to T in air 1 Temperature, T 1 ＝T S (50-100) DEG C, ts is the solidus temperature of the aluminum alloy, oxidized for 2-4 hours, and covered with a layer of aluminum oxide film to obtain Al/Al 2 O 3 Composite particles.
Preferably, the semi-solid secondary cooling and hot pressing method comprises the following steps: firstly, heating a beryllium/aluminum alloy cold-pressed blank to aluminum alloy solid-liquid under a protective atmosphereT of two-phase region 2 Temperature, T 2 ＝T S And + (0.3-0.5) delta T, wherein delta T is the solid-liquidus temperature difference of the aluminum alloy, and the aluminum alloy is subjected to T after heat preservation for 30min 2 Primary hot pressing at temperature; after the primary hot pressing is finished, the temperature of the material is reduced to T along with the furnace 3 Temperature, T 3 ＝T 2 -0.2(T 2 -T S ) Preserving heat for 30min, and then carrying out T treatment 3 And (3) performing secondary hot pressing at the temperature, and finally cooling to room temperature along with a furnace to obtain a beryllium/aluminum alloy hot pressed compact.
Preferably, the in-situ reduction sintering of the invention is as follows: heating the beryllium/aluminum alloy hot-pressed blank to T under the protective atmosphere 4 Temperature, T 4 And (3) performing in-situ reduction sintering for 6-24 hours at the temperature of (10-20) ℃ below zero, and cooling to obtain the beryllium/aluminum alloy composite material.
Preferably, the cold pressing conditions of the present invention are: the cold pressing pressure is 400-600 MPa, and the pressure maintaining time is 10-20 min.
Preferably, the aluminum alloy powder used for oxidation pretreatment is aluminum alloy powder (2024, 6061, 6063, 7075 and the like) with a certain solid-liquid two-phase temperature range, and the particle size range is 1-120 mu m; the grain size of the industrial beryllium powder is 1-120 mu m.
Preferably, the industrial beryllium powder in the mixed material accounts for 8-62 wt.% of the total mass of the mixed powder, the balance is the oxidized pretreated aluminum alloy powder, the mixing speed is 25-40 rpm, and the mixing time is 5-10 h.
The principle of the invention:
1. semi-solid secondary cooling and hot pressing
The invention selects the aluminum alloy with a certain solid-liquid two-phase area to carry out semi-solid secondary cooling hot pressing (primary hot pressing and secondary hot pressing), so as to realize the combination among aluminum alloy particles under the action of hot pressing force of beryllium/aluminum alloy semi-solid pressed compact, the primary hot pressing T of the invention 2 The temperature is as follows:
T 2 ＝T S +(0.3～0.5)△T(1)
wherein T is 2 T is the primary hot pressing temperature (DEG C) of semi-solid beryllium/aluminum alloy pressed compact S Is the solidus temperature (DEG C) of the aluminum alloy, and delta T is the difference (DEG C) between the solidus and the liquidus temperatures of the aluminum alloy.
However, the high hot pressing temperature of the beryllium/aluminum alloy semi-solid pressed compact at one time melts partial aluminum alloy around beryllium particles to form a developed liquid phase network, and defects such as holes, precipitation and the like can be generated in the solidification process, so that the mechanical property of the beryllium/aluminum alloy composite material is reduced; according to the invention, on the basis of primary hot pressing, secondary hot pressing is performed at a relatively low temperature, and partial liquid phase network generated by primary hot pressing is crushed and refined through thermodynamic action, so that the microstructure of the beryllium/aluminum alloy hot pressed compact is improved, and the mechanical property of the beryllium/aluminum alloy hot pressed compact is improved. The secondary hot pressing temperature T of the invention 3 The method comprises the following steps:
T 3 ＝T 2 -0.2(T 2 -T S )(2)
wherein T is 2 T is the primary hot pressing temperature (DEG C) of semi-solid beryllium/aluminum alloy pressed compact 3 T is the secondary hot pressing temperature (DEG C) of semi-solid beryllium/aluminum alloy pressed compact S Is the solidus temperature (DEG C) of the aluminum alloy.
2. In situ reduction sintering
(1) Oxidation pretreatment of aluminum alloy powder
The invention carries out oxidation pretreatment on aluminum alloy powder based on the formula (3) to obtain Al/Al with aluminum alloy powder surface coated with a layer of aluminum oxide film 2 O 3 Composite particles.
4/3Al(s)+O 2 (g)＝2/3Al 2 O 3 (s)△G 1 ＝-1216.4+0.1954T(J/mol)(3)
When the temperature is<660 ℃ (melting point of Al), ΔG 1 <0, the oxidation of the aluminum alloy powder can be spontaneously performed. In order to prepare the alumina film with a certain thickness through shorter pretreatment time, the invention obtains the T oxide of the aluminum alloy powder through experiments 1 At a temperature T S The oxidation time is 2-4 h at the temperature of (50-100) DEG C, and the preparation is carried out for obtaining the beryllium/aluminum alloy composite material with good metallurgical bonding interface through subsequent in-situ reduction sintering.
(2) In situ reduction sintering
As can be seen from FIG. 1, the in-situ reduction sintering of the beryllium/aluminum alloy hot pressed compact of the invention is a solid-phase reaction, when the in-situ reduction sintering temperature is<660 ℃ (melting point of Al), gibbs free energy ΔG of the reaction of formula (4) 2 <0, namely beryllium element has higher affinity with oxygen than aluminum element, and the beryllium/aluminum alloy hot-pressed blank can be sintered at high temperature for a long time, so that the beryllium can make Al on the surfaces of aluminum particles 2 O 3 The film is reduced in situ to form a metallurgical bonding interface.
3Be(s)+Al 2 O 3 (s)＝3BeO(s)+2Al(s)△G 2 ＝-149.5-0.0201T(J/mol)(4)
In the invention, in order to realize in-situ reduction, the T is sintered by in-situ reduction 4 The temperature is the solidus Ts- (10-20) DEG C of the aluminum alloy, and the in-situ reduction sintering time is 6-24 h.
The invention has the beneficial effects that:
the invention adopts the powder metallurgy preparation method of the beryllium/aluminum alloy composite material based on semi-solid secondary cooling hot pressing and in-situ reaction to obtain the beryllium/aluminum alloy composite material with good metallurgical bonding interface, high rigidity and toughness, effectively avoids the defects of pores, cracks, segregation and the like of the beryllium/aluminum alloy composite material, has the characteristics of simple process and low cost, and can realize industrial production.
Drawings
FIG. 1 is a graph of beryllium/alumina reaction ΔG-T.
Fig. 2 is a flow chart of a process for preparing a beryllium/aluminum alloy composite.
Detailed Description
The technical scheme of the invention is not limited to the specific embodiments, and also comprises any reasonable combination within the implementation process parameter range.
Example 1
The method for preparing the beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing is characterized by comprising the following steps of:
(1) Oxidation pretreatment of aluminum alloy powder
2024 aluminum alloy powder with particle size of 120 μm was heated to T in air 1 ＝T S 405 ℃ (T) at-100 DEG C S Oxidized for 4h at 505 ℃ to obtain Al/Al 2 O 3 The composite particles are ready for use.
(2) Mixing material
8wt.% industrial beryllium powder with the particle size of 120 mu m and 92wt.% oxidation pretreatment 2024 aluminum alloy powder with the particle size of 120 mu m are mixed, the mixing speed is 40rpm, and the mixing time is 5h, so as to obtain beryllium/2024 aluminum alloy mixed powder.
(3) Cold pressing
And (3) putting the beryllium/2024 aluminum alloy mixed powder into a cold pressing mold for cold pressing, wherein the cold pressing pressure is 400MPa, and the pressure maintaining time is 20min, so as to obtain a beryllium/2024 aluminum alloy cold pressed compact.
(4) Semi-solid secondary cooling and hot pressing
Heating the beryllium/2024 aluminum alloy cold-pressed blank to T under a protective atmosphere 2 ＝T S +0.3 Δt 540 ℃ (Δt=118℃), and after 30 minutes of incubation, it was subjected to a primary hot press at 540 ℃; after the primary hot pressing is finished, the temperature of the material is reduced to T along with the furnace 3 ＝T 2 -0.2(T 2 -T S ) And (3) carrying out secondary hot pressing after heat preservation for 30min at 533 ℃, and cooling the product to room temperature along with a furnace after the hot pressing is finished to obtain a beryllium/2024 aluminum alloy hot pressed blank.
(5) In situ reduction sintering
Heating the beryllium/2024 aluminum alloy hot-pressed blank to T under a protective atmosphere 4 495 ℃ of Ts-10 ℃ and carrying out in-situ reduction sintering for 24 hours, and cooling to obtain the beryllium/2024 aluminum alloy composite material with a good metallurgical bonding interface.
Example 2
(1) Oxidation pretreatment of aluminum alloy powder
Heating 6061 aluminum alloy powder with particle diameter of 70 μm in air to T 1 ＝T S 497 ℃ (T) at-85 DEG C S Oxidized for 3h at 582 ℃ to obtain Al/Al 2 O 3 The composite particles are ready for use.
(2) Mixing material
Mixing 30wt.% industrial beryllium powder with the particle size of 70 mu m and 70wt.% oxidation pretreatment 6061 aluminum alloy powder with the particle size of 70 mu m at the mixing speed of 35rpm for 6 hours to obtain beryllium/6061 aluminum alloy mixed powder.
(3) Cold pressing
And (3) putting the beryllium/6061 aluminum alloy mixed powder into a cold pressing mold for cold pressing, wherein the cold pressing pressure is 480MPa, and the pressure maintaining time is 18min, so as to obtain a beryllium/6061 aluminum alloy cold pressed compact.
(4) Semi-solid secondary cooling and hot pressing
Heating the beryllium/6061 aluminum alloy cold-pressed blank to T under a protective atmosphere 2 ＝T S +0.37 Δt 608 ℃ (Δt=70 ℃), and after 30 minutes of heat preservation, performing primary hot pressing at 608 ℃; after the primary hot pressing is finished, the temperature of the material is reduced to T along with the furnace 3 ＝T 2 -0.2(T 2 -T S ) And (3) carrying out secondary hot pressing after heat preservation for 30min, and cooling the aluminum alloy to room temperature along with a furnace after the hot pressing is finished to obtain a beryllium/6061 aluminum alloy hot pressed blank.
(5) In situ reduction sintering
Heating the beryllium/6061 aluminum alloy hot-pressed blank to T under the protective atmosphere 4 569 ℃ of Ts-13 ℃ and 12h in-situ reduction sintering, and cooling to obtain the beryllium/6061 aluminum alloy composite material with good metallurgical bonding interface.
Example 3
(1) Oxidation pretreatment of aluminum alloy powder
Heating 6063 aluminum alloy powder with particle diameter of 35 μm in air to T 1 ＝T S 545 ℃ (T) at-70 DEG C S Oxidized for 2h at 615 ℃ to obtain Al/Al 2 O 3 The composite particles are ready for use.
(2) Mixing material
45wt.% industrial beryllium powder with the particle size of 35 mu m and 55wt.% oxidation pretreatment 6063 aluminum alloy powder with the particle size of 35 mu m are mixed, the mixing speed is 30rpm, and the mixing time is 8h, so as to obtain beryllium/6063 aluminum alloy mixed powder.
(3) Cold pressing
And (3) putting the beryllium/6063 aluminum alloy mixed powder into a cold pressing mold for cold pressing, wherein the cold pressing pressure is 560MPa, and the pressure maintaining time is 15min, so as to obtain a beryllium/6063 aluminum alloy cold pressed compact.
(4) Semi-solid secondary cooling and hot pressing
Heating the beryllium/6063 aluminum alloy cold-pressed blank to T under a protective atmosphere 2 ＝T S +0.44 Δt 633 ℃ (Δt=40 ℃), and after 30min of heat preservation, performing primary hot pressing at 633 ℃;after the primary hot pressing is finished, the temperature of the material is reduced to T along with the furnace 3 ＝T 2 -0.2(T 2 -T S ) And (3) carrying out secondary hot pressing after heat preservation for 30min at the temperature of 629 ℃, and cooling the product to room temperature along with a furnace after the hot pressing is finished to obtain a beryllium/6063 aluminum alloy hot pressed blank.
(5) In situ reduction sintering
Heating the beryllium/6063 aluminum alloy hot-pressed blank to T under the protective atmosphere 4 598 ℃ of Ts-17 ℃ and in-situ reduction sintering for 6 hours, and cooling to obtain the beryllium/6063 aluminum alloy composite material with good metallurgical bonding interface.
Example 4
(1) Oxidation pretreatment of aluminum alloy powder
7075 aluminum alloy powder with the grain diameter of 1 mu m is heated to T in air 1 ＝T S 482 ℃ (T) at-50 DEG C S Oxidation at 532℃for 3.5h gave Al/Al 2 O 3 The composite particles are ready for use.
(2) Mixing material
62wt.% of industrial beryllium powder with the particle size of 1 μm and 38wt.% of oxidation pretreatment 7075 aluminum alloy powder with the particle size of 1 μm are mixed, the mixing speed is 25rpm, and the mixing time is 10h, so as to obtain beryllium/7075 aluminum alloy mixed powder.
(3) Cold pressing
And (3) putting the beryllium/7075 aluminum alloy mixed powder into a cold pressing mold for cold pressing, wherein the cold pressing pressure is 600MPa, and the pressure maintaining time is 10min, so as to obtain a beryllium/7075 aluminum alloy cold pressed compact.
(4) Semi-solid secondary cooling and hot pressing
Heating the beryllium/7075 aluminum alloy cold-pressed blank to T under a protective atmosphere 2 ＝T S 584 ℃ (Δt=103℃) of +0.5 Δt, and after 30 minutes of heat preservation, performing primary hot pressing at 584 ℃; after the primary hot pressing is finished, the temperature of the material is reduced to T along with the furnace 3 ＝T 2 -0.2(T 2 -T S ) And (3) carrying out secondary hot pressing after heat preservation for 30min at 574 ℃, and cooling the aluminum alloy to room temperature along with a furnace after the hot pressing is finished to obtain a beryllium/7075 aluminum alloy hot pressed blank.
(5) In situ reduction sintering
Adding beryllium/7075 aluminum alloy hot-pressed blank in protective atmosphereHeat to T 4 512 ℃ of Ts-20 ℃ and in-situ reduction sintering for 18 hours, and cooling to obtain the beryllium/7075 aluminum alloy composite material with a good metallurgical bonding interface.
While the invention has been described in connection with certain embodiments, it is to be understood that the invention is not limited to the precise embodiments set forth herein, and that various modifications and variations may be effected therein by one of ordinary skill in the art, all of which are contemplated as falling within the scope of the invention.
Claims (5)
1. A method for preparing beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing is characterized in that: mixing oxidized pretreated aluminum alloy powder and industrial beryllium powder, performing semi-solid secondary cooling and hot pressing after cold pressing, and then performing in-situ reduction sintering to obtain a beryllium/aluminum alloy composite material;
semi-solid secondary cooling and hot pressing are as follows: firstly, heating a beryllium/aluminum alloy cold-pressed blank to T of an aluminum alloy solid-liquid two-phase region in a protective atmosphere 2 Temperature, T 2 =T S And + (0.3-0.5) DeltaT, wherein DeltaT is the solid-liquidus temperature difference of the aluminum alloy, and performing T on the aluminum alloy after heat preservation for 30min 2 Primary hot pressing at temperature; after the primary hot pressing is finished, the temperature of the material is reduced to T along with the furnace 3 Temperature, T 3 =T 2 -0.2（T 2 -T S ) Preserving heat for 30min, and then carrying out T treatment 3 Performing secondary hot pressing at the temperature, and finally cooling to room temperature along with a furnace to obtain a beryllium/aluminum alloy hot pressed compact;
in-situ reduction sintering is carried out: heating the beryllium/aluminum alloy hot-pressed blank to T under the protective atmosphere 4 Temperature, T 4 And (3) performing in-situ reduction sintering for 6-24 hours at the temperature of (10-20) ℃ below zero, and cooling to obtain the beryllium/aluminum alloy composite material.
2. The method for preparing the beryllium/aluminum composite material based on semi-solid state secondary cooling and hot pressing as claimed in claim 1, wherein the method comprises the following steps: the oxidation pretreatment of the aluminum alloy powder comprises the following steps: heating aluminum alloy powder to T in air 1 Temperature, T 1 =T S - (50-100) DEG C, ts is the solidus temperature of the aluminum alloy, oxidized for 2-4 hours, and covered on the surface thereofCovering a layer of alumina film to obtain Al/Al 2 O 3 Composite particles.
3. The method for preparing the beryllium/aluminum composite material based on semi-solid state secondary cooling and hot pressing as claimed in claim 1, wherein the method comprises the following steps: the cold pressing conditions are as follows: the cold pressing pressure is 400-600 MPa, and the pressure maintaining time is 10-20 min.
4. The method for preparing the beryllium/aluminum composite material based on semi-solid secondary cooling and hot pressing according to any one of claims 1-3, which is characterized by comprising the following steps: the aluminum alloy powder used for the oxidation pretreatment is aluminum alloy powder with a solid-liquid two-phase temperature range, and the grain diameter range is 1-120 mu m; the grain size range of the industrial beryllium powder is 1-120 mu m.
5. The method for preparing the beryllium/aluminum composite material based on semi-solid state secondary cooling and hot pressing as claimed in claim 4, wherein the method comprises the following steps: 8-62 wt.% of industrial beryllium powder in the mixed powder, the balance of the oxidized pretreated aluminum alloy powder, the mixing speed is 25-40 rpm, and the mixing time is 5-10 h.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5413644A (en) * | 1994-01-21 | 1995-05-09 | Brush Wellman Inc. | Beryllium-containing alloys of magnesium |
| WO1995027089A1 (en) * | 1994-03-31 | 1995-10-12 | Brush Wellman Inc. | Beryllium-containing alloys of aluminum and semi-solid processing of such alloys |
| CN109695007A (en) * | 2019-01-15 | 2019-04-30 | 中南大学 | A kind of preparation method of metal-carbon composite |
| CN110551908A (en) * | 2019-09-19 | 2019-12-10 | 天津大学 | Preparation method of boron nitride nanosheet reinforced aluminum-based composite material |
-
2023
- 2023-02-27 CN CN202310167082.8A patent/CN116144960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5413644A (en) * | 1994-01-21 | 1995-05-09 | Brush Wellman Inc. | Beryllium-containing alloys of magnesium |
| CN1119460A (en) * | 1994-01-21 | 1996-03-27 | 勃勒许·威尔曼股份有限公司 | Semi-solid processed magnesium-beryllium alloys |
| WO1995027089A1 (en) * | 1994-03-31 | 1995-10-12 | Brush Wellman Inc. | Beryllium-containing alloys of aluminum and semi-solid processing of such alloys |
| CN109695007A (en) * | 2019-01-15 | 2019-04-30 | 中南大学 | A kind of preparation method of metal-carbon composite |
| CN110551908A (en) * | 2019-09-19 | 2019-12-10 | 天津大学 | Preparation method of boron nitride nanosheet reinforced aluminum-based composite material |
Non-Patent Citations (1)
| Title |
|---|
| Al/Al_2O_3复合材料伪半固态触变成形可行性研究;纪兴华;程远胜;罗守靖;;特种铸造及有色合金(09);813-816 * |
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