CN109439949B - Method for casting porous ceramic/magnesium alloy composite material by using lost foam - Google Patents

Method for casting porous ceramic/magnesium alloy composite material by using lost foam Download PDF

Info

Publication number
CN109439949B
CN109439949B CN201811495273.2A CN201811495273A CN109439949B CN 109439949 B CN109439949 B CN 109439949B CN 201811495273 A CN201811495273 A CN 201811495273A CN 109439949 B CN109439949 B CN 109439949B
Authority
CN
China
Prior art keywords
porous ceramic
magnesium alloy
casting
composite material
model
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
Application number
CN201811495273.2A
Other languages
Chinese (zh)
Other versions
CN109439949A (en
Inventor
蒋文明
李广宇
樊自田
管峰
蒋海啸
唐世艳
杨力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huazhong University of Science and Technology
Original Assignee
Huazhong University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huazhong University of Science and Technology filed Critical Huazhong University of Science and Technology
Priority to CN201811495273.2A priority Critical patent/CN109439949B/en
Publication of CN109439949A publication Critical patent/CN109439949A/en
Application granted granted Critical
Publication of CN109439949B publication Critical patent/CN109439949B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • C22C1/10—Alloys containing non-metals
    • C22C1/1036—Alloys containing non-metals starting from a melt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • 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
    • C22C1/1005—Pretreatment of the non-metallic additives
    • C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
    • 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
    • C22C1/1005—Pretreatment of the non-metallic additives
    • C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
    • C22C1/1021—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform the preform being ceramic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

The invention belongs to the technical field related to composite materials, and discloses a method for casting a porous ceramic/magnesium alloy composite material by using a lost foam, which comprises the following steps: (1) preparing a porous ceramic blank by adopting a 3D printing extrusion molding process, and drying and sintering the porous ceramic blank to form porous ceramic; (2) providing a composite mold, embedding the porous ceramic within the composite mold such that the composite mold seals the porous ceramic; (3) coating paint on the outer surface of the composite model, drying the paint, and then putting the dried paint into a sand box to carry out vibration compaction sand filling molding; (4) and pouring magnesium alloy molten metal into the composite model, wherein the magnesium alloy molten metal completes mold filling and solidification under the conditions of vacuum negative pressure and vibration, and then the porous ceramic/magnesium alloy composite material is obtained. The invention has simple preparation process, lower cost and higher efficiency.

Description

Method for casting porous ceramic/magnesium alloy composite material by using lost foam
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a method for casting a porous ceramic/magnesium alloy composite material by using a lost foam.
Background
The magnesium alloy is the lightest metal structure material, has high specific strength and specific rigidity, good thermal conductivity, stable size, outstanding shock absorption and noise reduction capability, good electromagnetic shielding performance and excellent casting and cutting processing performances, is easy to recover, and is widely applied to the fields of aerospace, automobiles, communication electronics, war industry and the like. Meanwhile, China is a big country for magnesium resource and magnesium production, and reserves and yield are at the top of the world. However, magnesium alloys have low mechanical properties (especially high temperature properties), poor corrosion and wear resistance, which greatly limits their applications. The ceramic material has the advantages of extremely high melting point and hardness, strong chemical stability, low thermal expansion coefficient, stable friction coefficient, good wear resistance, high temperature resistance and the like, is widely applied at present, but has poor toughness and large brittleness. Therefore, by combining the characteristics of the magnesium alloy and the ceramic material, the ceramic is made into a skeleton structure with three-dimensional space communication, the magnesium alloy is filled into the three-dimensional space porous ceramic to form a whole, the excellent properties of the ceramic and the magnesium alloy can be combined on the three-dimensional space, so that the two materials are uniformly and continuously distributed, the performance defects of the two materials are overcome, and the porous ceramic-magnesium alloy composite material is prepared.
At present, the method for preparing the porous ceramic/magnesium alloy composite material mainly comprises a spontaneous infiltration technology and a pressure infiltration technology, wherein the spontaneous infiltration technology has relatively simple working procedures and lower cost, the content of an reinforcer has certain design freedom, and the composite material has excellent mechanical properties; however, this technique imposes stringent requirements on melt infiltration temperature and holding time. Because no external pressure is applied, the density of the composite material is relatively low, the infiltration temperature is high, and the heat preservation time is long, so that a ceramic/metal combination interface reacts to generate a new phase, and the performance of the composite material is deteriorated; in addition, in order to improve the wettability between the ceramic and the metal, the ceramic is subjected to surface treatment. The pressure infiltration technology has the advantages of fast infiltration process, short time and compact composite material, so the composite material has excellent performance, the pressure infiltration technology has high requirements on equipment, the ceramic reinforcement is easy to collapse under external force, and the preparation process has high cost.
The lost foam casting is a low-cost and environment-friendly green precision casting technology, and is suitable for producing complex aluminum and magnesium alloy precision castings. At present, the prior document discloses that the porous ceramic/iron-based composite material is prepared by adopting a lost foam casting technology, the surface of the ceramic needs to be metalized to improve the wetting capacity of molten metal and the ceramic, and thus, the preparation process and the cost are increased. Accordingly, there is a need in the art to develop a method for casting a porous ceramic/magnesium alloy composite material using a lost foam, which has a simple manufacturing process.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides a method for casting a porous ceramic/magnesium alloy composite material by using a lost foam, which researches and designs a method for casting a porous ceramic/magnesium alloy composite material by using a lost foam, and has simple preparation procedures and lower cost aiming at the problems in the preparation methods of magnesium alloy and porous ceramic. The method adopts a 3D printing extrusion molding process to prepare the porous ceramic blank, has low preparation cost, is easy to prepare various complex porous ceramics with different apertures, and has high strength and precision of the ceramic matrix. The method has the advantages that the wettability of metal and porous ceramic is increased by applying vibration in the pouring process, meanwhile, the metal liquid is facilitated to fill the gap part of the porous ceramic, extra equipment is not needed in the whole preparation process, the whole preparation process can be completed only by the original equipment for lost foam casting, the process is simple, the cost is low, the quality is excellent, and the method has a great application prospect.
In order to achieve the above object, the present invention provides a method for casting a porous ceramic/magnesium alloy composite material using a lost foam, the method comprising the steps of:
(1) preparing a porous ceramic blank by adopting a 3D printing extrusion molding process, and drying and sintering the porous ceramic blank to form porous ceramic;
(2) providing a composite mold, embedding the porous ceramic within the composite mold such that the composite mold seals the porous ceramic;
(3) coating paint on the outer surface of the composite model, drying the paint, and then putting the dried paint into a sand box to carry out vibration compaction sand filling molding;
(4) and pouring magnesium alloy molten metal into the composite model, wherein the magnesium alloy molten metal completes mold filling and solidification under the conditions of vacuum negative pressure and vibration, and then the porous ceramic/magnesium alloy composite material is obtained.
Further, step (1) comprises the following sub-steps:
(11) al with the grain diameter of 5-20 mu m2O3Or after stirring and mixing the SiC particles and the binder, ball-milling and uniformly mixing the SiC particles and the binder by using a ball mill to obtain slurry, and putting the uniformly mixed slurry into a needle tube;
(12) preheating the bottom plate, and starting the equipment to print to obtain a porous ceramic blank;
(13) after the slurry is dried, taking down the porous ceramic blank, and sintering the porous ceramic blank in a heat treatment furnace;
(14) and cooling along with the furnace after sintering to obtain the porous ceramic.
Further, the preheating temperature for preheating the bottom plate is 40-60 ℃.
Furthermore, the printing layer height is 0.3 mm-0.5 mm, and the printing speed is 20 mm/s-30 mm/s.
Furthermore, the sintering temperature adopted during sintering is 1200-1400 ℃, and the sintering time is 2-3 h.
Further, the composite model comprises a casting part foam model and a pouring system part foam model, and the casting part foam model and the pouring system part foam model are bonded together; the porous ceramic is disposed within the casting partial foam pattern that seals the porous ceramic.
Further, the volume ratio of the casting foam model to the porous ceramic is 5-10.
Further, in the step (3), after coating paint on the outer surface of the composite model, drying the composite model, putting the composite model into a sand box, filling sand for molding, vibrating and compacting, and closing a vibrating table after molding; meanwhile, a layer of plastic film covers the top of the sand box, and a pouring cup is installed.
Further, in the step (4), a vacuum pump assembly is adopted to vacuumize the sand box from the bottom of the sand box, so that the vacuum degree negative pressure of the sand box is 0.04 MPa-0.08 MPa.
Further, in the step (4), the vibration frequency during pouring is 50 Hz-100 Hz, and the amplitude is 2 mm-4 mm; the casting temperature of the magnesium alloy molten metal is 750-800 ℃.
In general, compared with the prior art, the method for casting the porous ceramic/magnesium alloy composite material by using the lost foam provided by the invention mainly has the following beneficial effects:
1. the porous ceramic blank is prepared by adopting a 3D printing extrusion molding process, the preparation cost is low, various porous ceramics with complex shapes and different pore diameters can be easily prepared, and the strength and the precision of the ceramic matrix are high.
2. And pouring magnesium alloy molten metal into the composite model, wherein the magnesium alloy molten metal completes mold filling and solidification under the conditions of vacuum negative pressure and vibration, and the wettability of metal and porous ceramic is increased by applying vibration in the pouring process, so that the molten metal is favorable for filling pore parts of the porous ceramic.
3. The whole preparation process can be completed only by the original equipment of lost foam casting without additional equipment, and the method has the advantages of simple process, low cost, excellent quality and great application prospect.
Drawings
FIG. 1 is a schematic flow chart of a method for casting a porous ceramic/magnesium alloy composite material by using a lost foam according to a preferred embodiment of the present invention.
Fig. 2 is a schematic view of a casting apparatus in a use state according to a method for casting a porous ceramic/magnesium alloy composite material using a lost foam according to a first embodiment of the present invention.
Fig. 3 is a schematic flow chart of the method for casting the porous ceramic/magnesium alloy composite material by using the lost foam in fig. 2, which relates to the preparation of the porous ceramic by using a 3D printing extrusion molding process.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1-porous ceramic, 2-casting part foam model, 3-pouring system part foam model, 4-sand box, 5-dry sand, 6-three-dimensional vibration table, 7-plastic film, 8-vacuum pump assembly, 9-pouring cup, 10-liquid magnesium alloy, a-ceramic particles, b-adhesive, c-ceramic slurry, d-needle tube, e-bottom plate and f-porous ceramic blank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, a method for casting a porous ceramic/magnesium alloy composite material using a lost foam according to a preferred embodiment of the present invention includes the following steps:
step one, preparing a porous ceramic blank by adopting a 3D printing extrusion molding process, and drying and sintering the porous ceramic blank to form porous ceramic.
Specifically, first, Al having a particle diameter of 5 to 20 μm is mixed2O3Or after stirring and mixing the SiC particles and the binder, ball-milling and uniformly mixing the SiC particles and the binder by using a ball mill to obtain slurry, and putting the uniformly mixed slurry into a needle tube, wherein the inner diameter of a needle head of the needle tube is 0.4-0.6 mm. And then, preheating the bottom plate at the preheating temperature of 40-60 ℃, setting the printing layer height of 0.3-0.5 mm and the printing speed of 20-30 mm/s, and starting equipment to print to obtain the porous ceramic blank. And then, after the slurry is dried, taking down the porous ceramic blank, putting the porous ceramic blank into a heat treatment furnace for sintering at the sintering temperature of 1200-1400 ℃ for 2-3 h, and cooling along with the furnace after sintering to obtain the porous ceramic. The aperture of the porous ceramic is 0.3 mm-2 mm.
And step two, providing a composite model, and embedding the porous ceramic into the composite model so that the composite model seals the porous ceramic.
Specifically, a composite model is provided, the composite model comprises a casting part foam model and a pouring system part foam model, and the casting part foam model and the pouring system part foam model are bonded together. The porous ceramic is then placed within the casting partial foam pattern, which seals the porous ceramic. Wherein the volume ratio of the casting part foam model to the porous ceramic is 5-10.
In this embodiment, the preparation of the composite model includes the following steps: cutting a foam board by using a foam cutting machine, and sealing the part of the porous ceramic exposed to the atmosphere by using the foam board; then, a gating system partial foam pattern is made using the same foam board, and the gating system partial foam pattern is bonded to the casting partial foam pattern to form the composite pattern.
And step three, coating paint on the outer surface of the composite model, drying, and then putting the composite model into a sand box for vibration compaction sand filling molding.
Specifically, after coating paint on the outer surface of the composite model, drying the composite model, putting the composite model into a sand box, filling sand for molding, vibrating and compacting, and closing a vibrating table after molding. And covering a layer of plastic film on the top of the sand box, and installing a pouring cup.
And step four, pouring magnesium alloy molten metal into the composite model, wherein the magnesium alloy molten metal completes mold filling and solidification under the conditions of negative pressure and vibration, and then the porous ceramic/magnesium alloy composite material is obtained.
Specifically, a vacuum pump is started to vacuumize the sand box from the bottom of the sand box, so that the vacuum degree negative pressure of the sand box is 0.04-0.08 MPa. Then, using a resistance furnace at CO2+0.5％SF6And smelting the magnesium alloy under the protection of the mixed gas. And opening the vibration table before pouring the magnesium alloy molten metal, pouring the magnesium alloy molten metal into the pouring cup, completing the mold filling and solidification process of the magnesium alloy molten metal under negative pressure and vibration, and closing the vacuum pump and the vibration table after the magnesium alloy molten metal is solidified. Thereafter, the casting is removed from the flask and the gating system bubble is removedAnd (4) foam molding to obtain the porous ceramic/magnesium alloy composite material. In the embodiment, the vibration frequency adopted by the vibration solidification is 50Hz to 100Hz, the amplitude is 2mm to 4mm, the vibration table is started before the magnesium alloy molten metal is poured, and the vibration table is closed after the magnesium alloy molten metal is completely solidified; the casting temperature of the magnesium alloy molten metal is 750-800 ℃; the magnesium alloys used are given the designations AZ91D, AZ31B or AZ 63A.
Referring to fig. 2 and 3, the method for casting the porous ceramic/magnesium alloy composite material by using the lost foam according to the first embodiment of the present invention combines the advantages of lost foam casting, 3D extrusion molding technology and the porous ceramic/magnesium alloy composite material, and has the advantages of simple preparation process, low cost and high material performance.
The method comprises the following steps:
first, porous ceramics are prepared. Specifically, the preparation of the porous ceramic comprises the following steps: al having a particle diameter of 7 μm2O3And (3) stirring and mixing the ceramic particles a and the binder b, then ball-milling and uniformly mixing by using a ball mill to obtain ceramic slurry c, and putting the uniformly mixed ceramic slurry c into a needle tube d with the inner diameter of a needle head of 0.4 mm. Then, the substrate e was preheated to a temperature of 40 ℃, the print layer height was set to 0.3mm, the print speed was 20mm/s, and the apparatus was started to start printing. And then, after printing is finished, taking the porous ceramic blank f down after the slurry is dried, putting the porous ceramic blank f into a heat treatment furnace for sintering, wherein the sintering temperature is 1400 ℃, the sintering time is 2 hours, and cooling along with the furnace. And then, taking out the porous ceramic 1 to obtain the porous ceramic 1, wherein the pore diameter of the porous ceramic 1 is 1 mm.
And secondly, preparing a composite model. Specifically, the preparation of the composite model comprises the following steps: and cutting the foam board by using a foam cutting machine, and sealing the exposed part of the porous ceramic 1 in the atmosphere by using a cut casting part foam model 2. Then, a gating system partial foam pattern 3 is made of a foam board, and the gating system partial foam pattern 3 and the casting partial foam pattern 2 are bonded to constitute a composite pattern. The volume ratio of the casting part foam model 2 to the porous ceramic 1 is 7.
And thirdly, coating paint. Specifically, the step of coating the outer surface of the composite model comprises the following steps:
(1) preparing mixed solution from lost foam casting coating powder and water according to a predetermined volume ratio of 1:1, and uniformly stirring the mixed solution;
(2) repeatedly immersing the composite model into the mixed solution until the coating is uniformly coated on all the outer surfaces of the composite model, and drying the composite model in a drying box at the temperature of 50-60 ℃;
fourthly, burying sand for molding. Specifically, the sand burying modeling of the composite model comprises the following steps:
(1) placing the composite pattern into a sand box 4, and adding dry sand 5 without an adhesive to the sand box 4;
(2) compacted using a three-dimensional shaking table 6. In the present embodiment, the three-dimensional vibration table 6 is used to perform vibration compaction, with a vibration frequency of 80Hz and an amplitude of 2.5 mm.
And fifthly, vacuumizing. Specifically, a layer of plastic film 7 is arranged at the top end of the sand box 4; then, the vacuum pump assembly 8 is used for vacuumizing from the bottom of the sand box 4, so that the vacuum degree in the sand box 4 reaches 0.06 MPa.
And sixthly, smelting the magnesium alloy. Specifically, an AZ91D magnesium alloy ingot is cut into small pieces and placed in a crucible, and then the crucible is placed in a resistance melting furnace, and the temperature is raised for melting. SF is introduced in the smelting process60.5% by volume of CO2And (4) protective gas.
And seventhly, starting vibration. Specifically, the three-dimensional vibrating table 6 is turned on to vibrate the flask 4 at a frequency of 80Hz and an amplitude of 3 mm.
And step eight, pouring. Specifically, the liquid magnesium alloy 10 is poured into the composite mold from the pouring cup 9, and the pouring process is completed. In this example, the casting temperature was 780 ℃.
And ninthly, cleaning. Specifically, after the casting is cooled, the casting is taken out, and a pouring system part is cut off, so that the porous ceramic/magnesium alloy composite material is obtained.
The method for casting the porous ceramic/magnesium alloy composite material by adopting the lost foam provided by the invention can be used for quickly preparing the porous ceramic with any complex shape and pore size at low cost by adopting a 3D printing extrusion molding process, the mold filling capacity of molten metal and the wettability between the ceramic and the metal are greatly improved under negative pressure and vibration, only a vacuumizing and vibrating device during lost foam casting is used, other equipment is not required to be added, the surface of the ceramic is not required to be treated, the preparation process is simple, the cost is lower, and the high-performance and complex porous ceramic/magnesium alloy composite material can be prepared.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. A method for casting a porous ceramic/magnesium alloy composite material by using a lost foam is characterized by comprising the following steps:
(1) preparing a porous ceramic blank by adopting a 3D printing extrusion molding process, and drying and sintering the porous ceramic blank to form porous ceramic; wherein the sintering temperature adopted during sintering is 1200-1400 ℃, and the sintering time is 2-3 h;
(2) providing a composite mold, embedding the porous ceramic within the composite mold such that the composite mold seals the porous ceramic;
(3) coating paint on the outer surface of the composite model, drying the paint, and then putting the dried paint into a sand box to carry out vibration compaction sand filling molding;
(4) pouring magnesium alloy molten metal into the composite model, wherein the magnesium alloy molten metal completes mold filling and solidification under the conditions of vacuum negative pressure and vibration, and then the porous ceramic/magnesium alloy composite material is obtained; wherein the vibration frequency during pouring is 50 Hz-100 Hz.
2. The method for casting a porous ceramic/magnesium alloy composite material using a lost foam of claim 1, wherein: the step (1) comprises the following substeps:
(11) al with the grain diameter of 5-20 mu m2O3Or after stirring and mixing the SiC particles and the binder, ball-milling and uniformly mixing the SiC particles and the binder by using a ball mill to obtain slurry, and putting the uniformly mixed slurry into a needle tube;
(12) preheating the bottom plate, and starting the equipment to print to obtain a porous ceramic blank;
(13) after the slurry is dried, taking down the porous ceramic blank, and sintering the porous ceramic blank in a heat treatment furnace;
(14) and cooling along with the furnace after sintering to obtain the porous ceramic.
3. The method for casting a porous ceramic/magnesium alloy composite material using a lost foam according to claim 2, wherein: the preheating temperature for preheating the bottom plate is 40-60 ℃.
4. The method for casting a porous ceramic/magnesium alloy composite material using a lost foam according to claim 2, wherein: the printing layer height is 0.3 mm-0.5 mm, and the printing speed is 20 mm/s-30 mm/s.
5. The method for casting a porous ceramic and magnesium alloy composite material using a lost foam of claim 1, wherein: the composite model comprises a casting part foam model and a pouring system part foam model, and the casting part foam model and the pouring system part foam model are bonded together; the porous ceramic is disposed within the casting partial foam pattern that seals the porous ceramic.
6. The method for casting a porous ceramic/magnesium alloy composite material using a lost foam of claim 5, wherein: the volume ratio of the casting foam model to the porous ceramic is 5-10.
7. The method for casting a porous ceramic/magnesium alloy composite material using a lost foam of claim 1, wherein: in the step (3), after coating paint on the outer surface of the composite model, drying the composite model, putting the composite model into a sand box, filling sand for molding, vibrating and compacting, and closing a vibrating table after molding; meanwhile, a layer of plastic film covers the top of the sand box, and a pouring cup is installed.
8. The method for casting a porous ceramic/magnesium alloy composite material using a lost foam of claim 7, wherein: and (4) vacuumizing the sand box from the bottom of the sand box by using a vacuum pump assembly, so that the vacuum degree negative pressure of the sand box is 0.04-0.08 MPa.
9. The method for casting a porous ceramic/magnesium alloy composite material using a lost foam according to any one of claims 1 to 8, wherein: in the step (4), the amplitude during casting is 2 mm-4 mm; the casting temperature of the magnesium alloy molten metal is 750-800 ℃.
CN201811495273.2A 2018-12-07 2018-12-07 Method for casting porous ceramic/magnesium alloy composite material by using lost foam Active CN109439949B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811495273.2A CN109439949B (en) 2018-12-07 2018-12-07 Method for casting porous ceramic/magnesium alloy composite material by using lost foam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811495273.2A CN109439949B (en) 2018-12-07 2018-12-07 Method for casting porous ceramic/magnesium alloy composite material by using lost foam

Publications (2)

Publication Number Publication Date
CN109439949A CN109439949A (en) 2019-03-08
CN109439949B true CN109439949B (en) 2020-07-10

Family

ID=65557863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811495273.2A Active CN109439949B (en) 2018-12-07 2018-12-07 Method for casting porous ceramic/magnesium alloy composite material by using lost foam

Country Status (1)

Country Link
CN (1) CN109439949B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110983089B (en) * 2019-12-18 2023-12-26 华中科技大学 Porous metal material and preparation method thereof
CN111302811A (en) * 2020-03-31 2020-06-19 徐州瑞缔新材料科技有限公司 Preparation method of ceramic reinforced metal matrix composite with ceramic framework designed according to requirements
CN111496194B (en) * 2020-04-22 2023-07-11 陈万红 Porous pouring member and production process thereof
CN111957892B (en) * 2020-08-31 2021-08-03 华中科技大学 Heat treatment method of aluminum/magnesium bimetal for lost foam casting and product
US20240001435A1 (en) * 2020-10-20 2024-01-04 Erg Aerospace Corporation Method of making an inorganic reticulated foam structure
CN112974837B (en) * 2021-02-09 2023-05-05 重庆大学 Process method for 3D printing two-step sintering of magnesium alloy material
CN114178509A (en) * 2021-10-21 2022-03-15 上海交通大学 Light high-rigidity three-dimensional network structure magnesium-based composite material and preparation method thereof
CN113996748B (en) * 2021-10-29 2022-12-02 华中科技大学 Shell surface layer for lost foam shell mold casting aluminum lithium alloy and shell preparation method
CN114346218A (en) * 2021-12-27 2022-04-15 沈阳铸造研究所有限公司 Casting forming method of composite configuration foam metal material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104259445A (en) * 2014-09-05 2015-01-07 安徽省宁国市华达耐磨材料有限公司 Method for vibration pouring of expendable casting die automatic production line
CN104874768B (en) * 2015-04-24 2016-11-23 昆明理工大学 A kind of method that the 3D of utilization print space structure prepares metal-base composites

Also Published As

Publication number Publication date
CN109439949A (en) 2019-03-08

Similar Documents

Publication Publication Date Title
CN109439949B (en) Method for casting porous ceramic/magnesium alloy composite material by using lost foam
US5730915A (en) Method for preparation of casting tooling
CN108129168B (en) Preparation method of aluminum-based composite material based on 3D printing and aluminum-based composite material
CN105714137B (en) High-volume fractional silicon-carbide particle reinforced aluminium-base composite material and preparation method thereof
CN114231779B (en) Preparation method of glass bead reinforced porous aluminum-based composite material
CN102211346B (en) Method for preparing functionally graded material through pressure filtration forming in motional magnetic field
CN110983089B (en) Porous metal material and preparation method thereof
CN110560668A (en) Gravity casting method and equipment for ceramic hollow sphere/metal matrix composite foam material
CN110560657B (en) Ceramic hollow sphere/titanium-based composite foam material and centrifugal casting method thereof
CN114012070B (en) Preparation method of hollow ceramic ball reinforced metal matrix composite material and composite material
CN109778018B (en) Preparation method of aluminum silicon carbide material and prepared aluminum silicon carbide material
CN108543935B (en) Method for preparing metal-based SHS (super thin-layer high-resolution) wear-resistant coating by combining 3D (three-dimensional) printing with vacuum lost foam
CN109351918B (en) Multi-physical-field composite action micro-component liquid forming method
CN109338144A (en) A kind of preparation method of 20 four sides leptospira structure foam copper
JP2014051728A (en) Metallic porous body and production method of the same
CN114367663A (en) Preparation method of fully-compact titanium alloy thin-wall part with complex shape
CN108380818B (en) Method for preparing metal-based SHS (hard wearing layer) wear-resistant coating by combining cold isostatic pressing with vacuum lost foam
CN105081165B (en) A kind of method that Metal Substrate Electronic Packaging thin-walled parts order loads die-forging forming
JPS6037260A (en) Production of composite ceramic casting material
JP2008501855A (en) Recycling method for light metal parts
CN103710562A (en) Preparation method of porous ceramic/metal double-continuous-phase composite material
CN105081166B (en) Multi-layer accumulated die-forging forming technical method for metal matrix composite material electronic packaged parts
US20240216989A1 (en) Method for producing high metal powder content aluminum composite body, method for preparing preform, and high metal powder content aluminum composite body
RU2625377C1 (en) Method of manufacturing composite material for microwave electronics
JP3232029B2 (en) Cylinder block

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
GR01 Patent grant