WO2021140775A1 - セラミックス構造体 - Google Patents

セラミックス構造体 Download PDF

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Publication number
WO2021140775A1
WO2021140775A1 PCT/JP2020/044085 JP2020044085W WO2021140775A1 WO 2021140775 A1 WO2021140775 A1 WO 2021140775A1 JP 2020044085 W JP2020044085 W JP 2020044085W WO 2021140775 A1 WO2021140775 A1 WO 2021140775A1
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WO
WIPO (PCT)
Prior art keywords
truss structure
ceramic
truss
ceramic structure
degrees
Prior art date
Application number
PCT/JP2020/044085
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English (en)
French (fr)
Japanese (ja)
Inventor
一輝 抜水
二本松　浩明
伊藤　貴志
Original Assignee
日本碍子株式会社
エヌジーケイ・アドレック株式会社
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 日本碍子株式会社, エヌジーケイ・アドレック株式会社 filed Critical 日本碍子株式会社
Priority to JP2021569758A priority Critical patent/JP7164736B2/ja
Priority to DE112020006457.3T priority patent/DE112020006457T5/de
Priority to CN202080089570.6A priority patent/CN114845978B/zh
Publication of WO2021140775A1 publication Critical patent/WO2021140775A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/008—Bodies obtained by assembling separate elements having such a configuration that the final product is porous or by spirally winding one or more corrugated sheets
    • C04B38/0083—Bodies obtained by assembling separate elements having such a configuration that the final product is porous or by spirally winding one or more corrugated sheets from one or more corrugated sheets or sheets bearing protrusions by winding or stacking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning

Definitions

  • Patent Document 1 discloses a ceramic structure having a truss structure (honeycomb structure).
  • the ceramic structure having a truss structure is characterized by being lightweight and having high strength.
  • FIG. 8 shows a schematic view of the ceramic structure of Patent Document 1.
  • a partition wall 422 extending in one direction (Y direction) is provided between the surface layer 402 and the back layer 404.
  • the truss structure is composed of the surface layer 402, the back layer 404, and the partition wall 422.
  • a plurality of through holes 424 extending in the Y direction are formed by the surface layer 402, the back layer 404, and the partition wall 422.
  • the ceramic structure of Patent Document 1 is an integrally molded product and is manufactured by extrusion molding.
  • the ceramic structure 400 is reduced in weight by providing a through hole 424. Further, since the ceramic structure 400 has a truss structure, high strength is also realized.
  • the ceramic structure 400 is higher in the direction in which the partition wall 422 (through hole 424) extends (Y-axis direction) and in the thickness direction (Z-axis direction) orthogonal to the surface layer 402 (back layer 404). It is strength. However, the ceramic structure 400 is relatively weak against shearing forces in the X-axis direction (directions orthogonal to the Y-axis direction and the Z-axis direction), particularly in the X-axis direction. The ceramic structure 400 has relatively low strength in a specific direction, and thus has low versatility (uses are limited). It is an object of the present specification to provide a technique for realizing a highly versatile ceramic structure.
  • the ceramic structure disclosed in the present specification includes a first truss structure made of ceramics provided with a plurality of through holes extending in a first direction orthogonal to the thickness direction, and a first truss structure orthogonal to the thickness direction and in the first direction. May include a second truss structure made of ceramics provided with a plurality of through holes extending in different second directions. Further, the first truss structure and the second truss structure may be laminated in the thickness direction.
  • the ceramic structure disclosed in the present specification is an integrally molded product in which a plurality of ceramic truss structures provided with a plurality of through holes extending in one direction orthogonal to the thickness direction are laminated in the thickness direction. It may be a ceramic structure of. In this ceramic structure, the truss structures may be laminated so that the through holes extend in two or more directions orthogonal to the thickness direction.
  • the perspective view of the ceramic structure of 1st Example is shown.
  • a partially enlarged view of the truss structure is shown.
  • the concentration distribution of specific elements contained in the skeleton constituting the truss structure is shown.
  • the figure explaining the positional relationship between the 1st through hole and the 2nd through hole is shown.
  • the perspective view of the ceramic structure of 2nd Example is shown.
  • the figure explaining the positional relationship of the 1st to 3rd through holes is shown.
  • the perspective view of the ceramic structure of 3rd Example is shown.
  • the perspective view of the ceramic structure of the 3rd Example observed from the angle different from FIG. 7A is shown.
  • the figure explaining the feature of the conventional truss structure is shown.
  • a plurality of ceramic truss structures provided with a plurality of through holes extending in one direction orthogonal to the thickness direction may be laminated in the thickness direction.
  • the ceramic structure may be an integrally molded product in which each truss structure is integrated.
  • each truss structure is integrally formed at the time of the molded body before firing, and by firing the integrally formed molded body, each truss structure after firing is integrated. It means that it is configured as a target.
  • the truss structures may be laminated so that the through holes extend in two or more directions orthogonal to the thickness direction.
  • this ceramic structure is at least orthogonal to the first truss structure made of ceramics provided with a plurality of through holes extending in the first direction orthogonal to the thickness direction, and is orthogonal to the thickness direction and is the first direction. It may include a second truss structure made of ceramics provided with a plurality of through holes extending in different second directions. Further, a ceramic third truss structure (third direction ⁇ first and second directions) provided with a through hole extending in the third direction, and a ceramic material having a through hole extending in the fourth direction. A fourth truss structure (fourth direction ⁇ first, second, third direction) and the like may be provided.
  • Each truss structure may be provided with a partition wall that connects the surface layer, the back layer, the surface layer and the back layer, and extends in one direction orthogonal to the thickness direction.
  • a plurality of through holes may be formed by the surface layer, the back layer, and the partition wall.
  • the surface layer of the specific truss structure may also serve as the back layer of the truss structure laminated on the surface layer of the truss structure in the thickness direction. That is, when the second truss structure is laminated on the surface layer of the first truss structure, the surface layer of the first truss structure may be the back layer of the second truss structure.
  • the front surface and the back surface of the ceramic structure may be flat surfaces.
  • the partition wall defining the wall surface of the through hole extends in two or more directions orthogonal to the thickness direction. Therefore, the strength of the specific truss structure can be supplemented by the force applied from the direction in which the strength is relatively weak. Specifically, focusing on a specific truss structure, the specific truss structure is added from a specific direction (hereinafter referred to as a lateral direction) orthogonal to the thickness direction and the direction in which the through hole (bulkhead) extends. Relatively weak against force.
  • the ceramic structure described above resists the force applied from the lateral direction by other truss structures laminated on the specific truss structure, it is possible to improve the strength balance of the ceramic structure in the surface direction. it can.
  • the above-mentioned ceramic structure can be used for various purposes by solving the problem of the conventional ceramic structure that it is "relatively weak against a force from a specific direction". That is, the ceramic structure is highly versatile.
  • truss structures having through holes extending in the same direction in the thickness direction may be continuously laminated.
  • first truss structures having through holes extending in the first direction in the thickness direction may be continuously laminated. That is, as long as the truss structures are laminated so that the through holes extend in at least two directions orthogonal to the thickness direction, the stacking order of the truss structures can be arbitrarily changed.
  • other truss structures having different through hole extending directions may be laminated on both sides of the specific truss structure in the thickness direction.
  • the second truss structure having the through holes extending in the second direction different from the first direction is laminated on both sides of the first truss structure having the through holes extending in the first direction.
  • the ceramic structure has through holes extending in at least two directions (first direction and second direction).
  • first direction and the second direction are non-parallel
  • the strength balance in the surface direction of the ceramic structure can be improved.
  • the angle (acute angle) formed by the first direction and the second direction is 10 degrees or more and 90 degrees or less
  • the first truss structure and the second truss structure complement each other in strength
  • the strength balance in the plane direction is good.
  • the angle (acute angle) formed by the first direction and the second direction is 80 degrees or more and 90 degrees or less, that is, if the first direction and the second direction are substantially orthogonal to each other
  • the strength balance in the surface direction is further improved. Can be improved.
  • the ceramics structure has through holes extending in three or more different directions, the above relationship may be satisfied in any two directions.
  • the ceramics structure has a first truss structure having a first through hole extending in the first direction, a second truss structure having a second through hole extending in the second direction ( ⁇ the first direction), and a third direction.
  • a ceramics structure having a third truss structure having a third through hole extending in ( ⁇ 1st direction, 2nd direction) the angle ⁇ 1 formed by the 1st direction and the 3rd direction, and the 2nd and 3rd directions are
  • the angle ⁇ 2 formed and the angle ⁇ 3 formed by the first direction and the second direction are set, the following equations (1) and (2) may be satisfied.
  • At least the angle ⁇ 3 formed by the first through hole and the second through hole can be set to 60 degrees or more, and they are lateral to each other.
  • Each truss structure constituting the ceramic structure may be made of the same material.
  • the material of each truss structure may be SiC quality, mullite quality, ZrO2 quality, or SiC-SiC quality.
  • Si-SiC quality means a material containing SiC particles as a main component and metallic Si between the SiC particles.
  • the skeleton constituting the truss structure may have substantially no pores.
  • the porosity of the skeleton can be measured in accordance with JIS R 1655 (a method for testing the porosity distribution of a molded body by a mercury press-fitting method for fine ceramics).
  • the ceramic structure disclosed in the present specification is an integrally molded product in which each truss structure is integrated, the through holes formed in each truss structure are formed in the thickness direction. It extends in two or more orthogonal directions.
  • a ceramic structure for example, after forming a desired shape with a flammable material, an intermediate is formed by impregnating this material with a ceramic material (ceramic slurry), and the intermediate is fired.
  • flammable materials include paper, cloth, and resin.
  • the material components of the porous material tend to remain inside the skeleton as compared with the surface layer portion of the skeleton constituting each truss structure.
  • At least one element of carbon and calcium is contained inside the skeleton as compared with the surface layer portion of the skeleton constituting each truss structure. May be included in large quantities.
  • the ceramic structure each truss structure
  • the main component more than 50 wt% of the whole
  • the surface layer of the skeleton is SiC and the rest is metallic Si
  • the main component may be metallic Si and the balance may be carbon and / or calcium.
  • the ceramic structure disclosed in the present specification truss structures having a plurality of through holes are laminated in the thickness direction. Therefore, the weight of the ceramic structure can be reduced, and the heat insulating property in the thickness direction can be increased (the thermal conductivity between the front and back surfaces can be reduced). Further, since the truss structures are laminated so that the through holes extend in a plurality of directions, the strength balance in the surface direction can be improved. Taking advantage of these characteristics, the ceramic structure can be suitably used as a heat insulating member (or a constituent member of the heat insulating member).
  • the ceramic structure can be suitably used as a heat exchange member of a heat exchanger by taking advantage of the feature that the through holes extend in a plurality of directions even though it is an integrally molded product.
  • the through hole of the first truss structure is used as a flow path for passing the first heat medium
  • the through hole of the second truss structure is used as a flow path for passing the second heat medium. By using it as a path, heat exchange between the first heat medium and the second heat medium can be performed.
  • the material of the ceramic structure is preferably SiC or SiC material having high thermal conductivity.
  • FIG. 1 shows a substantially cubic ceramic structure 100
  • the ceramic structure 100 has a thickness (Z-axis) of the front surface 2 and the back surface 4 (length in the X-axis direction and length in the Y-axis direction). In some cases, it is a flat plate that is much larger than the length in the direction.
  • the ceramic structure 100 includes a first truss structure 10 and a second truss structure 20.
  • the first truss structure 10 and the second truss structure 20 are alternately laminated in the thickness direction (Z-axis direction). That is, except for the truss structure located at the end in the thickness direction, the second truss structure 20 is laminated on both sides of the first truss structure 10, and the first truss structure 10 is laminated on both sides of the second truss structure 20.
  • the first truss structure 10 and the second truss structure 20 have substantially the same structure except for the direction in which the through hole extends.
  • the first truss structure 10 has a plurality of first through holes 14 extending in the Y-axis direction (an example of the first direction).
  • the first through hole 14 is defined by a surface layer of the first truss structure 10, a back layer, and a partition wall 12 provided between the surface layer and the back layer.
  • the second truss structure 20 has a plurality of second through holes 24 extending in the X-axis direction (an example of the second direction) orthogonal to the Y-axis direction and the Z-axis direction.
  • the third through hole 24 is defined by a surface layer of the second truss structure 20, a back layer, and a partition wall 22 provided between the surface layer and the back layer.
  • each truss structure 10 and 20 partition walls 12 and 22 are connected to the surface layer 16 and the back layer 18, and a plurality of through holes 14 (24) are formed.
  • the partition wall 12 is connected to the surface layer 16 and the back layer 18 in an inclined state to realize a truss structure (first truss structure 10).
  • the surface layer 16, the back layer 18, and the partition wall 12 are integrally molded, and there is no clear boundary between the surface layer 16 and the partition wall 12, and the back layer 18 and the partition wall 12.
  • the ceramic structure 100 shown in FIG. 1 is an integrally molded product in which the first truss structure 10 and the second truss structure 20 are integrated.
  • the surface layer 16 is the surface 2 of the ceramic structure 100.
  • the back layer 18 is the back surface 4 of the ceramic structure 100.
  • the ceramic structure 100 is manufactured by forming an intermediate body in which a flammable base material such as paper is impregnated with a SiC slurry, and then firing the metal Si in contact with the metal Si. Therefore, the surface portion of the skeleton (surface layer 16, back layer 18, partition wall 12) constituting the ceramic structure 100 is mainly composed of SiC and the rest is metallic Si. The inside of the skeleton is mainly composed of metallic Si and the rest is elements (carbon and / or calcium) contained in the base material. The open porosity on the surface of the skeleton is 1% or less.
  • FIG. 3 shows the concentration distribution of the components of the base material contained in the skeleton constituting the ceramic structure 100.
  • the horizontal axis of the graph indicates the thickness of the skeleton (for example, the thickness 31 of the surface layer 16 and the thickness 32 of the partition wall 12 shown in FIG. 2) in terms of the distance (%) from one end to the other end.
  • the vertical axis shows the ratio of elements (C, Ca) derived from the base material.
  • the surface portion of the aggregate contains almost no “C” or “Ca”. "C” and "Ca” begin to appear after a predetermined depth has passed from the surface of the skeleton and increase toward the center of the skeleton.
  • the first through hole 14 extends in the Y-axis direction
  • the second through hole 24 extends in the X-axis direction. That is, in the ceramic structure 100, the angle formed by the direction in which the first through hole 14 extends (first direction) and the direction in which the second direction extends (second direction) is 90 degrees. However, the angle formed by the first direction and the second direction does not have to be 90 degrees. As shown in FIG. 4, the angle formed by the second direction (direction 24 in which the second through hole extends) with respect to the first direction (direction in which the first through hole 14 extends) is in the range ⁇ 1 of 10 degrees or more and 90 degrees or less.
  • the strengths of the first truss structure 10 and the second truss structure 20 can be complemented with each other. If the angle formed by the second direction with respect to the first direction is in the range ⁇ 2 (that is, substantially right angle) of 80 degrees or more and 90 degrees or less, the first truss structure 10 and the second truss structure 20 are mutually. The reinforcing effect is maximized.
  • truss structures having through holes extending in the same direction in the thickness direction may be continuously laminated. That is, the first truss structure 10 (or the second truss structure 20) may be continuously laminated twice or more in the thickness direction. In this case, the thickness and / or the through-hole size of the first truss structure 10 (or the second truss structure 20) to be continuously laminated may be different.
  • the ceramic structure 200 will be described with reference to FIG.
  • the ceramic structure 200 is a modification of the ceramic structure 100, and a third truss structure 30 is provided between the first truss structure 10 and the second truss structure 20.
  • the same structure as that of the ceramic structure 100 may be omitted by assigning the same reference number as the reference number assigned to the ceramic structure 100.
  • the third truss structure 30 includes a plurality of third through holes 34 extending in the third direction.
  • the direction in which the third through hole 34 extends (third direction) is the direction in which the first through hole 14 extends (first direction: Y-axis direction) and the direction in which the second through hole 24 extends (second direction: X-axis direction).
  • first direction first direction: Y-axis direction
  • second direction X-axis direction
  • the angle formed by the third through hole 34 and the first through hole 14 is 45 degrees
  • the angle formed by the third through hole 34 and the second through hole 24 is also 45 degrees.
  • the stacking order of the truss structures 10, 20, and 30 can be changed.
  • truss structures having through holes extending in the same direction in the thickness direction may be continuously laminated.
  • the first truss structures 10 may be continuously laminated in the thickness direction.
  • the thickness and / or through-hole size of the truss structures 10 that are continuously laminated may be different.
  • the direction in which the first through hole 14 extends (first direction), the direction in which the second through hole 24 extends (second direction), and the direction in which the third through hole 34 extends (third direction).
  • the total angle ( ⁇ 1 + ⁇ 2 + ⁇ 3) of the angle ⁇ 1 formed by the first direction and the third direction, the angle ⁇ 2 formed by the second direction and the third direction, and the angle ⁇ 3 formed by the first direction and the second direction is 180 degrees. Adjust each direction so that. Further, as shown in FIG. 6, the angle ⁇ 1 is adjusted to 50 degrees or less, and the angle ⁇ 2 is adjusted to 70 degrees or less. The angle ⁇ 3 is adjusted to 60 degrees or more.
  • the directions in which the through holes 14, 24 and 34 extend are adjusted so as to satisfy the following equations (1) and (2).
  • FIG. 7B shows a perspective view (showing the surface 50) observed from the side opposite to that of FIG. 7A.
  • the ceramic structure 300 is a modification of the ceramic structures 100 and 200, and like the ceramic structure 200, the third truss structure 330 is provided between the first truss structure 310 and the second truss structure 320. Has been done.
  • the same configuration as the ceramic structures 100 and 200 may be omitted by assigning the same reference number as the reference number attached to the ceramic structures 100 and 200 and the last two digits. ..
  • the ceramic structure 300 has an equilateral triangle shape on the front surface 302 and the back surface 304.
  • the ceramic structure 300 includes truss structures 310, 320, and 330 in which the through holes extend in different directions.
  • the angle formed by the direction in which the through hole 14 of the first truss structure 310 extends (first direction) and the direction in which the through hole 24 of the second truss structure 320 extends (second direction) is 60 degrees.
  • the angle formed by the direction in which the through hole 14 of the first truss structure 310 extends (first direction) and the direction in which the through hole 34 of the third truss structure 330 extends (third direction) is also 60 degrees. Therefore, the angle formed by the second direction and the third direction is also 60 degrees.
  • the ceramic structure 300 satisfies the above formula (2).
  • the through holes can be arranged so as to be orthogonal to the side surface of the ceramic structure 300. Therefore, for example, when the ceramic structure 300 is used as a heat exchange member for circulating a fluid (heat medium) through each through hole, the movement resistance of the fluid can be reduced.
  • First truss structure 14 Through hole of the first truss structure 20: Second truss structure 24: Through hole of the second truss structure 100: Ceramic structure

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
PCT/JP2020/044085 2020-01-06 2020-11-26 セラミックス構造体 WO2021140775A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021569758A JP7164736B2 (ja) 2020-01-06 2020-11-26 セラミックス構造体
DE112020006457.3T DE112020006457T5 (de) 2020-01-06 2020-11-26 Keramikstruktur
CN202080089570.6A CN114845978B (zh) 2020-01-06 2020-11-26 陶瓷结构体

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JP2020000554 2020-01-06
JP2020-000554 2020-01-06

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WO2021140775A1 true WO2021140775A1 (ja) 2021-07-15

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JP (1) JP7164736B2 (enrdf_load_stackoverflow)
CN (1) CN114845978B (enrdf_load_stackoverflow)
DE (1) DE112020006457T5 (enrdf_load_stackoverflow)
WO (1) WO2021140775A1 (enrdf_load_stackoverflow)

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US20190186845A1 (en) * 2016-06-10 2019-06-20 Hutchinson Method for heat exchange and conditioning of a heat exchanger

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JP5803801B2 (ja) * 2012-04-27 2015-11-04 新日鐵住金株式会社 積層鋼板
JP6386916B2 (ja) * 2015-01-06 2018-09-05 東京窯業株式会社 炭化珪素質セラミックス焼結体
JP6671163B2 (ja) * 2015-01-09 2020-03-25 日揮触媒化成株式会社 排ガス処理ハニカム触媒およびその製造方法
JP6709652B2 (ja) * 2016-03-24 2020-06-17 日本碍子株式会社 多孔質セラミックス構造体
JP6364570B1 (ja) * 2016-09-12 2018-07-25 日本碍子株式会社 焼成用セッター
JP7057691B2 (ja) * 2018-03-19 2022-04-20 日本碍子株式会社 ハニカム構造体
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JPS6213384U (enrdf_load_stackoverflow) * 1985-07-10 1987-01-27
US20110283873A1 (en) * 2007-08-16 2011-11-24 University Of Virginia Patent Foundation Hybrid Periodic Cellular Material Structures, Systems, and Methods For Blast and Ballistic Protection
US20190186845A1 (en) * 2016-06-10 2019-06-20 Hutchinson Method for heat exchange and conditioning of a heat exchanger

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CN114845978A (zh) 2022-08-02
JP7164736B2 (ja) 2022-11-01
JPWO2021140775A1 (enrdf_load_stackoverflow) 2021-07-15
CN114845978B (zh) 2023-05-23

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