WO2017171510A1 - Procédé de production de mousse métallique - Google Patents

Procédé de production de mousse métallique Download PDF

Info

Publication number
WO2017171510A1
WO2017171510A1 PCT/KR2017/003613 KR2017003613W WO2017171510A1 WO 2017171510 A1 WO2017171510 A1 WO 2017171510A1 KR 2017003613 W KR2017003613 W KR 2017003613W WO 2017171510 A1 WO2017171510 A1 WO 2017171510A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal
less
weight
metal foam
salt
Prior art date
Application number
PCT/KR2017/003613
Other languages
English (en)
Korean (ko)
Inventor
유동우
이진규
Original Assignee
주식회사 엘지화학
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
Priority claimed from KR1020170040971A external-priority patent/KR102040462B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to EP17775934.7A priority Critical patent/EP3437766B1/fr
Priority to JP2018551124A priority patent/JP2019510883A/ja
Priority to US16/089,864 priority patent/US11298745B2/en
Priority to CN201780022411.2A priority patent/CN108883470B/zh
Publication of WO2017171510A1 publication Critical patent/WO2017171510A1/fr

Links

Images

Classifications

    • 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
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
    • B22F3/1134—Inorganic fillers
    • 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
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • 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
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • B22F2003/1053—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by induction

Definitions

  • the present application relates to a method for producing a metal foam.
  • Metal foam has various useful properties such as light weight, energy absorbency, heat insulation, fire resistance or eco-friendliness, and thus can be applied to various fields including lightweight structures, transportation machines, building materials, or energy absorbing devices. .
  • the metal foam not only has a high specific surface area but also improves the flow of fluids or electrons such as liquids, gases, and the like, so that substrates, catalysts, sensors, actuators, secondary batteries, fuel cells, and gases for heat exchangers can be further improved. It may be usefully applied to a gas diffusion layer (GDL) or a microfluidic flow controller.
  • GDL gas diffusion layer
  • microfluidic flow controller a microfluidic flow controller.
  • An object of the present application is to provide a method for producing a metal foam having uniform porosity and excellent mechanical strength while having a desired porosity.
  • metal foam or metal skeleton refers to a porous structure containing metal as a main component.
  • the main component of the metal is that the proportion of the metal is 55% by weight, 60% by weight, 65% by weight, 70% by weight, 75% by weight or more, based on the total weight of the metal foam or metal skeleton. It means when the weight percent or more, 85 weight% or more, 90 weight% or more or 95 weight% or more.
  • the upper limit of the ratio of the metal contained as the main component is not particularly limited, and may be, for example, about 100% by weight, 99% by weight or 98% by weight.
  • porosity may refer to a case in which porosity is at least 30%, at least 40%, at least 50%, at least 60%, at least 70%, at least 75%, or at least 80%.
  • the upper limit of the porosity is not particularly limited and may be, for example, less than about 100%, about 99% or less, or about 98% or less.
  • the porosity can be calculated in a known manner by calculating the density of the metal foam or the like.
  • the method of manufacturing a metal foam of the present application may include sintering a green structure including a metal component.
  • the term green structure refers to a structure before undergoing a process performed to form a metal foam such as the sintering, that is, a structure before the metal foam is produced.
  • the green structure although referred to as a porous green structure does not necessarily have to be porous by itself, and may be referred to as a porous green structure for convenience as long as it can form a metal foam which is finally a porous metal structure.
  • the green structure may include a metal component and a salt, and the green structure may be formed by molding a mixture including the metal component and the salt.
  • the metal component may include at least a metal having a predetermined relative permeability and conductivity.
  • Application of such a metal, according to one example of the present application can be smoothly performed sintering according to the method when the induction heating method described later as the sintering is applied.
  • the relative permeability ( ⁇ r ) is the ratio ( ⁇ / ⁇ 0 ) of the permeability ( ⁇ ) of the material to the permeability ( ⁇ 0 ) in the vacuum.
  • the metal has relative permeability of 95 or more, 100 or more, 110 or more, 120 or more, 130 or more, 140 or more, 150 or more, 160 or more, 170 or more, 180 or more, 190 or more, 200 or more, 210 or more, 220 or more, 230 or more Over 240, over 250, over 260, over 270, over 280, over 290, over 300, over 310, over 320, over 330, over 340, over 350, over 360, over 370, over 380, over 390, over 400 410 or more, 420 or more, 430 or more, 440 or more, 450 or more, 460 or more, 470 or more, 480 or more, 490 or more, 500 or more, 510 or more, 520 or more, 530 or more, 540 or more, 550 or more, 560 or more, At least 570, at least 580, or at least 590.
  • the upper limit of the relative permeability may be, for example, about 300,000 or less.
  • the metal may be a conductive metal.
  • the term conductive metal has a conductivity at 20 ° C. of at least about 8 MS / m, at least 9 MS / m, at least 10 MS / m, at least 11 MS / m, at least 12 MS / m, at least 13 MS / m or 14.5 MS / It may mean a metal that is m or more or such an alloy.
  • the upper limit of the conductivity is not particularly limited, and for example, the conductivity may be about 30 MS / m or less, 25 MS / m or less, or 20 MS / m or less.
  • the metal having the relative permeability and conductivity as described above may simply be referred to as a conductive magnetic metal.
  • the conductive magnetic metal By applying the conductive magnetic metal, sintering can be more effectively performed when the induction heating process described later is performed.
  • a metal nickel, iron or cobalt may be exemplified, but is not limited thereto.
  • the metal component may comprise a second metal, different from the metal, with the conductive magnetic metal, if necessary.
  • the metal foam may be formed of a metal alloy.
  • the second metal a metal having a relative permeability and / or conductivity in the same range as the above-mentioned conductive magnetic metal may be used, and a metal having a relative permeability and / or conductivity outside such range may be used.
  • 1 type may be included in a 2nd metal and 2 or more types may be included.
  • the kind of the second metal is not particularly limited as long as it is different from the conductive magnetic metal to which it is applied.
  • metals other than the conductive magnetic metal may be applied in magnesium, but the present invention is not limited thereto.
  • the proportion of the conductive magnetic metal in the metal component or the green structure is not particularly limited.
  • the ratio may be adjusted so that proper joule heat can be generated when the induction heating method described below is applied.
  • the metal component or the green structure may include 30 wt% or more of the conductive magnetic metal based on the weight of the entire metal component.
  • the proportion of the conductive magnetic metal in the metal component or green structure may be at least about 35 wt%, at least about 40 wt%, at least about 45 wt%, at least about 50 wt%, at least about 55 wt%, 60 wt% Or at least 65 wt%, at least 70 wt%, at least 75 wt%, at least 80 wt%, at least 85 wt% or at least 90 wt%.
  • the upper limit of the ratio of the conductive magnetic metal is not particularly limited.
  • the ratio of the conductive magnetic metal in the metal component or the green structure may be less than about 100 wt% or less than or equal to 95 wt%.
  • the ratio is an exemplary ratio.
  • the ratio since the heat generated by induction heating by the application of the electromagnetic field can be adjusted according to the strength of the applied electromagnetic field, the electrical conductivity and resistance of the metal, the ratio may be changed according to specific conditions.
  • the metal component forming the green structure may be in powder form.
  • the metals in the metal component may have an average particle diameter in the range of about 0.1 ⁇ m to about 200 ⁇ m.
  • the average particle diameter is, in another example, about 0.5 ⁇ m or more, about 1 ⁇ m or more, about 2 ⁇ m or more, about 3 ⁇ m or more, about 4 ⁇ m or more, about 5 ⁇ m or more, about 6 ⁇ m or more, about 7 ⁇ m or more, or about 8 ⁇ m. It may be abnormal.
  • the average particle diameter may be about 150 ⁇ m or less, 100 ⁇ m or less, 90 ⁇ m or less, 80 ⁇ m or less, 70 ⁇ m or less, 60 ⁇ m or less, 50 ⁇ m or less, 40 ⁇ m or less, 30 ⁇ m or less, or 20 ⁇ m or less.
  • metal in a metal component what differs in an average particle diameter can also be applied.
  • the average particle diameter may be selected in consideration of the form of the desired metal foam, for example, the thickness and porosity of the metal foam.
  • the green structure may include a salt together with the metal component.
  • the salt contained in the green structure serves to form pores of the metal foam.
  • the salt may remain undecomposed even during the fusion of the metal component in the sintering process because it is stable even at high temperatures, and if such salt is removed in a subsequent process, pores may be formed at the position where the salt was present.
  • the kind of salt that can be applied in the present application is not particularly limited, and for example, those which can be well dissolved in a solvent used for removing salts such as water while being stable at high temperature can be used.
  • Salts that can be used include NaCl, KCl, K 2 CO 3 , KOH, NaOH, CsCl, CaCl 2 , MgBr 2 , MgCl 2 , Na 2 SiO 3 , Na 2 CO 3 , NaHCO 3 , NH 4 Br or NH 4 Cl and the like, but is not limited thereto.
  • the size, form and proportion of the salts are not particularly limited and may be selected by the structure of the desired metal foam. That is, the size and shape of the pores in the metal foam can be determined by the size or shape of the salt applied in the present application, the ratio and the like may affect the overall porosity, so considering the salt of the appropriate size and shape Can be applied at an appropriate ratio.
  • the average particle diameter of the salt may be at least about 30 ⁇ m or at least about 40 ⁇ m.
  • the average particle diameter of the salt is, for example, about 250 ⁇ m or less, about 200 ⁇ m or less, 190 ⁇ m or less, 180 ⁇ m or less, 170 ⁇ m or less, 160 ⁇ m or less, 150 ⁇ m or less, 140 ⁇ m or less, 130 ⁇ m or less, 120 ⁇ m or less It may be about 110 ⁇ m or less, or about 100 ⁇ m or less.
  • the form of the salt can be variously selected, for example, spherical, ellipsoidal, polygonal and amorphous.
  • the salt may be included in a ratio of about 10 parts by weight to 1,000 parts by weight with respect to 100 parts by weight of the metal component.
  • This ratio is, in another example, at least about 15 parts by weight, at least about 20 parts by weight, at least about 30 parts by weight, at least about 40 parts by weight, at least about 50 parts by weight, at least about 60 parts by weight, at least about 70 parts by weight, about About 80 parts by weight, about 90 parts by weight or about 95 parts by weight or more, about 900 parts by weight or less, about 800 parts by weight or less, about 700 parts by weight or less, about 600 parts by weight or less, about 500 parts by weight or less, about 400 parts by weight or less, about 300 parts by weight or less, about 200 parts by weight or less, about 190 parts by weight or less, about 180 parts by weight or less, about 170 parts by weight or less, about 160 parts by weight or less, about 150 parts by weight or less, about 140 parts by weight Up to about 130 parts by weight, up to about 120 parts by weight, or up
  • the green structure may contain known additives which are additionally required in addition to the above-mentioned components.
  • additives include, but are not limited to, solvents and binders.
  • the manner of forming the green structure is not particularly limited. Various methods for forming the green structure are known in the manufacturing field of the metal foam, and all such methods may be applied in the present application.
  • the green structure may be formed by maintaining the mixture of the metal component and the salt in an appropriate template or by coating the mixture in an appropriate manner.
  • the shape of such a green structure is not particularly limited as determined according to the desired metal foam.
  • the green structure may be in the form of a film or a sheet.
  • the thickness may be 5,000 ⁇ m or less, 3,500 ⁇ m or less, 2,000 ⁇ m or less, 1000 ⁇ m or less, 800 ⁇ m or less, 700 ⁇ m or less and 500 ⁇ m or less.
  • Metal foams generally have brittle characteristics in terms of their porous structural characteristics, and thus are difficult to manufacture in the form of a film or sheet, in particular in the form of a thin film or sheet, and have a problem of brittleness even when manufactured.
  • the lower limit of the thickness of the structure is not particularly limited.
  • the thickness of the structure in the form of a film or sheet may be at least about 10 ⁇ m, at least 50 ⁇ m, or at least about 100 ⁇ m.
  • the metal foam may be manufactured by sintering the green structure formed in the above manner.
  • the manner of performing sintering for producing the metal foam is not particularly limited, and a known sintering method may be applied. That is, the sintering may be performed by applying an appropriate amount of heat to the green structure in an appropriate manner.
  • the sintering may be performed by an induction heating method. That is, as described above, since the metal component includes a conductive magnetic metal having a predetermined permeability and conductivity, an induction heating method may be applied. In this way, including the pores formed uniformly, the mechanical properties are excellent, and the porosity can also be more smoothly produced metal foam adjusted to the desired level.
  • Induction heating is a phenomenon in which heat is generated from a specific metal when an electromagnetic field is applied.
  • an electromagnetic field is applied to a metal having appropriate conductivity and permeability, eddy currents are generated in the metal, and joule heating is generated by the resistance of the metal.
  • the sintering process may be performed through such a phenomenon.
  • the sintering of the metal foam can be performed in a short time by applying the same method, thereby ensuring processability, and at the same time, a metal foam having high porosity and excellent mechanical strength can be manufactured.
  • the sintering process may include applying an electromagnetic field to the green structure. Joule heat is generated by the induction heating phenomenon in the conductive magnetic metal of the metal component by the application of the electromagnetic field, whereby the structure can be sintered.
  • the conditions for applying the electromagnetic field are not particularly limited as determined according to the type and ratio of the conductive magnetic metal in the green structure.
  • the induction heating may be performed using an induction heater formed in the form of a coil or the like.
  • Induction heating may be performed by applying a current of about 100A to 1,000A.
  • the magnitude of the applied current may be 900 A or less, 800 A or less, 700 A or less, 600 A or less, 500 A or less, or 400 A or less.
  • the magnitude of the current may be about 150 A or more, about 200 A or more, or about 250 A or more.
  • Induction heating can be performed, for example, at a frequency of about 100 kHz to 1,000 kHz.
  • the frequency may be 900 kHz or less, 800 kHz or less, 700 kHz or less, 600 kHz or less, 500 kHz or less, or 450 kHz or less.
  • the frequency may, in another example, be at least about 150 kHz, at least about 200 kHz, or at least about 250 kHz.
  • Application of the electromagnetic field for the induction heating may be performed, for example, within a range of about 1 minute to 10 hours.
  • the application time is, in another example, about 9 hours or less, about 8 hours or less, about 7 hours or less, about 6 hours or less, about 5 hours or less, about 4 hours or less, about 3 hours or less, about 2 hours or less, about Up to 1 hour or up to about 30 minutes.
  • the above-mentioned induction heating conditions for example, the applied current, the frequency and the applied time may be changed in consideration of the type and ratio of the conductive magnetic metal as described above.
  • the sintering of the green structure may be performed only by the above-mentioned induction heating or, if necessary, by applying appropriate heat with the induction heating, that is, the application of the electromagnetic field.
  • the manufacturing method of the present application may further perform a process of removing the salt from the sintered green structure following the sintering process.
  • removing the salt after sintering metal foam can be formed while voids are formed in the site where the salt was present.
  • the manner of removing the salt is not particularly limited, and the salt can be removed by treating the sintered green structure with a solvent capable of dissolving the salt, such as water.
  • the present application also relates to a metal foam.
  • the metal foam may be prepared by the method described above.
  • Such a metal foam may include, for example, at least the conductive magnetic metal described above.
  • the metal foam may include at least 30 wt%, at least 35 wt%, at least 40 wt%, at least 45 wt%, or at least 50 wt% of the conductive magnetic metal.
  • the proportion of the conductive magnetic metal in the metal foam may be about 55% by weight, 60% by weight, 65% by weight, 70% by weight, 75% by weight, 80% by weight, 85% by weight or Or 90% by weight or more.
  • the upper limit of the ratio of the conductive magnetic metal is not particularly limited, and may be, for example, less than about 100% by weight or less than 95% by weight.
  • the metal foam may have a porosity in the range of about 40% to 99%. As mentioned, according to the method of the present application, the porosity and the mechanical strength can be adjusted while including uniformly formed pores.
  • the porosity may be 50% or more, 60% or more, 70% or more, 75% or more, or 80% or more, 95% or less, or 90% or less.
  • the metal foam may also exist in the form of a thin film or sheet.
  • the metal foam may be in the form of a film or sheet.
  • the metal foam in the form of a film or sheet has a thickness of 2,000 ⁇ m or less, 1,500 ⁇ m or less, 1,000 ⁇ m or less, 900 ⁇ m or less, 800 ⁇ m or less, 700 ⁇ m or less, 600 ⁇ m or less, 500 ⁇ m or less, 400 ⁇ m or less, 300 ⁇ m or less, 200 ⁇ m or less, 150 ⁇ m or less , About 100 ⁇ m or less, about 90 ⁇ m or less, about 80 ⁇ m or less, about 70 ⁇ m or less, about 60 ⁇ m or less, or about 55 ⁇ m or less.
  • the film or sheet-shaped metal foam has a thickness of about 10 ⁇ m, about 20 ⁇ m, about 30 ⁇ m, about 40 ⁇ m, about 50 ⁇ m, about 100 ⁇ m, about 150 ⁇ m, about 200 ⁇ m, about 250 ⁇ m, about 300 ⁇ m or more. , About 350 ⁇ m or more, about 400 ⁇ m or more, about 450 ⁇ m or more, or about 500 ⁇ m or more.
  • the metal foam may be utilized in various applications requiring a porous metal structure.
  • a metal foam in the form of a thin film or sheet having a desired porosity and excellent mechanical strength, thereby expanding the use of the metal foam in comparison with the existing. have.
  • the present application it is possible to provide a method for producing a metal foam including a uniformly formed pores, having a desired porosity and capable of forming a metal foam having excellent mechanical properties, and a metal foam having the above characteristics.
  • the present application can provide a method and a metal foam that can form a metal foam having the above-described physical properties in the form of a thin film or sheet.
  • 1 and 2 are SEM photographs of metal foams formed in Examples.
  • Nickel metal was used as a metal component as a conductive magnetic metal.
  • the nickel metal powder which was sieved through a 200 mesh sieve, was mixed at a weight ratio of 1: 1 with NaCl as a salt.
  • NaCl one having a particle size distribution in the range of about 50 ⁇ m to 100 ⁇ m was used.
  • nickel has a conductivity of about 14.5 MS / m and a relative permeability of about 600 at 20 ° C.
  • the prepared mixture was coated on a quartz plate in the form of a sheet about 600 ⁇ m thick to prepare a green structure, and an electromagnetic field was applied to the green structure by an induction heater in the form of a coil.
  • the electromagnetic field was formed by applying a current of about 350 A at a frequency of about 380 kHz, and the electromagnetic field was applied for about 3 minutes.
  • the sintered green structure was immersed in water and washed by sonication to remove salt, thereby preparing a sheet-shaped metal foam having a thickness of about 600 ⁇ m.
  • the porosity of the prepared sheet was about 53%. 1 is a SEM photograph of the prepared sheet.
  • a metal foam was prepared in the same manner as in Example 1 except that the weight ratio of nickel metal powder and NaCl was changed to 1: 1.5 (nickel metal powder: NaCl).
  • the porosity of the prepared sheet was about 70%. 2 is a SEM photograph of the prepared sheet.
  • a metal foam sheet was prepared in the same manner as in Example 1 except that Na 2 SiO 3 having a particle size distribution in the range of about 50 ⁇ m to 70 ⁇ m was applied.
  • the porosity of the prepared sheet was about 55%.
  • a metal foam sheet was prepared in the same manner as in Example 1 except that Na 2 CO 3 having a particle size distribution of about 150 ⁇ m to 200 ⁇ m was applied.
  • the porosity of the prepared sheet was about 43%.
  • a metal foam sheet was prepared in the same manner as in Example 1 except that KCl was applied in the particle size distribution in the range of about 70 ⁇ m to 100 ⁇ m.
  • the porosity of the prepared sheet was about 62%.
  • a metal foam sheet was prepared in the same manner as in Example 1 except that NH 4 Cl in a particle size distribution of about 25 ⁇ m to 55 ⁇ m was applied.
  • the porosity of the prepared sheet was about 58%.
  • a metal foam sheet was prepared in the same manner as in Example 1 except that CaCl 2 was applied within a particle size distribution in the range of about 70 ⁇ m to 110 ⁇ m.
  • the porosity of the prepared sheet was about 60%.
  • a metal foam sheet was prepared in the same manner as in Example 1 except that MgCl 2 in a particle size distribution in the range of about 50 ⁇ m to 70 ⁇ m was applied.
  • the porosity of the prepared sheet was about 42%.

Abstract

La présente invention concerne un procédé de production d'une mousse métallique. La présente invention peut fournir un procédé de production d'une mousse métallique qui comprend des trous formés uniformément et qui présente une porosité désirée tout en possédant d'excellentes propriétés mécaniques, et permet d'obtenir une mousse métallique ayant de telles caractéristiques. En outre, la présente invention peut fournir un procédé qui peut former, dans un temps de traitement court, une mousse métallique sous forme de couche ou de feuille mince tout en assurant les propriétés décrites ci-dessus, et permet d'obtenir une mousse métallique ayant de telles propriétés.
PCT/KR2017/003613 2016-04-01 2017-04-03 Procédé de production de mousse métallique WO2017171510A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17775934.7A EP3437766B1 (fr) 2016-04-01 2017-04-03 Procédé de production de mousse métallique
JP2018551124A JP2019510883A (ja) 2016-04-01 2017-04-03 金属フォームの製造方法
US16/089,864 US11298745B2 (en) 2016-04-01 2017-04-03 Method for manufacturing metal foam
CN201780022411.2A CN108883470B (zh) 2016-04-01 2017-04-03 制造金属泡沫的方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20160040361 2016-04-01
KR10-2016-0040361 2016-04-01
KR10-2017-0040971 2017-03-30
KR1020170040971A KR102040462B1 (ko) 2016-04-01 2017-03-30 금속폼의 제조 방법

Publications (1)

Publication Number Publication Date
WO2017171510A1 true WO2017171510A1 (fr) 2017-10-05

Family

ID=59964917

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/003613 WO2017171510A1 (fr) 2016-04-01 2017-04-03 Procédé de production de mousse métallique

Country Status (1)

Country Link
WO (1) WO2017171510A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS637343A (ja) * 1986-06-27 1988-01-13 Showa Denko Kk 金属多孔質体の製造法
KR100367655B1 (ko) * 2000-02-10 2003-01-10 김성균 다공성 금속의 제조방법
JP2005290494A (ja) * 2004-03-31 2005-10-20 National Institute Of Advanced Industrial & Technology 発泡焼結体の製造方法
JP2009102701A (ja) * 2007-10-24 2009-05-14 Mitsubishi Materials Corp 多孔質チタン焼結体の製造方法および多孔質チタン焼結体の製造装置
KR20130052208A (ko) * 2011-11-11 2013-05-22 현대자동차주식회사 균일한 셀구조를 갖는 개방형 다공성 금속 제조방법 및 그 제조방법 제조된 개방형 다공성 금속

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS637343A (ja) * 1986-06-27 1988-01-13 Showa Denko Kk 金属多孔質体の製造法
KR100367655B1 (ko) * 2000-02-10 2003-01-10 김성균 다공성 금속의 제조방법
JP2005290494A (ja) * 2004-03-31 2005-10-20 National Institute Of Advanced Industrial & Technology 発泡焼結体の製造方法
JP2009102701A (ja) * 2007-10-24 2009-05-14 Mitsubishi Materials Corp 多孔質チタン焼結体の製造方法および多孔質チタン焼結体の製造装置
KR20130052208A (ko) * 2011-11-11 2013-05-22 현대자동차주식회사 균일한 셀구조를 갖는 개방형 다공성 금속 제조방법 및 그 제조방법 제조된 개방형 다공성 금속

Similar Documents

Publication Publication Date Title
WO2018101715A1 (fr) Procédé de fabrication de mousse métallique
KR102040462B1 (ko) 금속폼의 제조 방법
KR102056098B1 (ko) 금속폼의 제조 방법
WO2018101712A1 (fr) Procédé de production de mousse métallique
Shen et al. Stratified zinc‐binding strategy toward prolonged cycling and flexibility of aqueous fibrous zinc metal batteries
WO2018212554A1 (fr) Procédé de fabrication de mousse métallique
WO2018101714A1 (fr) Procédé de production de mousse métallique
WO2018212555A1 (fr) Procédé de fabrication de caloduc
WO2019054799A1 (fr) Matériau composite
WO2018070796A1 (fr) Procédé de fabrication de mousse métallique
WO2019054818A1 (fr) Composite
WO2019009672A1 (fr) Procédé de préparation de mousse métallique
WO2019059731A1 (fr) Méthode de préparation de film
WO2019059730A1 (fr) Matériau composite
WO2017171510A1 (fr) Procédé de production de mousse métallique
WO2018070795A1 (fr) Procédé de fabrication de mousse d'alliage métallique
WO2017171511A1 (fr) Procédé de production de mousse métallique
WO2019009668A1 (fr) Procédé de préparation d'une mousse métallique
KR20190142293A (ko) 금속합금폼의 제조 방법

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2018551124

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2017775934

Country of ref document: EP

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17775934

Country of ref document: EP

Kind code of ref document: A1