JPH04301403A - Ceramic material - Google Patents
Ceramic materialInfo
- Publication number
- JPH04301403A JPH04301403A JP6629191A JP6629191A JPH04301403A JP H04301403 A JPH04301403 A JP H04301403A JP 6629191 A JP6629191 A JP 6629191A JP 6629191 A JP6629191 A JP 6629191A JP H04301403 A JPH04301403 A JP H04301403A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- fiber
- ceramic material
- corrugated
- fibers
- 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.)
- Pending
Links
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 24
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 11
- 239000011147 inorganic material Substances 0.000 claims abstract description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 6
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 5
- 239000011490 mineral wool Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 15
- 239000002657 fibrous material Substances 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 8
- 239000012784 inorganic fiber Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract 3
- 239000011800 void material Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 11
- 239000000123 paper Substances 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、セラミックス等の焼成
用や熱処理用の焼成炉の壁材等に使用するセラミック材
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceramic material used as a wall material of a firing furnace for firing ceramics and heat treatment.
【０００２】0002
【従来の技術】従来、セラミックス等の焼成や熱処理に
使用される焼成炉の壁材にはアルミナ系耐火れんがや、
特開昭６１−１４１６８３号公報に記載されているよう
な耐熱性の無機繊維をバインダーと共に水中で分散後、
フィルタープレスで脱水，乾燥させ固めた耐熱ボードが
一般的に使用されている。[Prior Art] Conventionally, the wall materials of firing furnaces used for firing and heat treating ceramics, etc. have been made of alumina-based refractory bricks,
After dispersing heat-resistant inorganic fibers as described in JP-A-61-141683 in water together with a binder,
Heat-resistant boards that are dehydrated, dried, and hardened using a filter press are commonly used.
【０００３】0003
【発明が解決しようとする課題】しかしながら、耐火れ
んがは、重量が重く、蓄熱量が大きく、耐熱衝撃性に劣
り、加工性も悪く量産性に乏しいという問題点、また耐
熱ボードは、かさ密度が０．５〜１．２ｇ／ｃｍ３と重
く、高価な繊維状物を使用するため、材料コストが高く
なり、かつ加工性や機械的強度等が不充分であるという
問題点、さらに、シート状の断熱ボードを何重にも重ね
合わせて築炉するので多くの時間を要し、また繰り返し
操炉すると壁材が熱変形したり、熱収縮により接合部分
に隙間が生じるという問題点を有していた。[Problems to be Solved by the Invention] However, refractory bricks have the problems of being heavy, storing a large amount of heat, having poor thermal shock resistance, poor workability and poor mass production, and heat-resistant boards having a low bulk density. Since a heavy and expensive fibrous material of 0.5 to 1.2 g/cm3 is used, the material cost is high and the processability and mechanical strength are insufficient. It takes a lot of time to build a furnace by layering multiple layers of insulation boards, and when the furnace is operated repeatedly, the wall material deforms due to heat, and gaps form at the joints due to heat contraction. Ta.
【０００４】本発明は、上記従来の問題点を解決するも
ので耐熱性，耐熱衝撃性に優れ、高空隙率，軽量であり
、蓄熱量が小さく、断熱性に優れ、かつ加工性に優れた
セラミック材を提供することを目的とする。The present invention solves the above-mentioned conventional problems, and has excellent heat resistance and thermal shock resistance, high porosity, light weight, small amount of heat storage, excellent heat insulation properties, and excellent workability. The purpose is to provide ceramic materials.
【０００５】[0005]
【課題を解決するための手段】この課題を解決するため
に本発明のセラミック材は、アルミナ繊維，アルミナ・
シリカ繊維，シリカ繊維，炭素繊維，ジルコニア繊維，
窒化珪素繊維，炭化珪素繊維，ムライト繊維、又はロッ
クウールから選ばれる少なくとも一種類以上の耐熱性の
無機繊維状物を主材としたハニカム構造体の構成を有し
ている。[Means for solving the problem] In order to solve this problem, the ceramic material of the present invention is made of alumina fiber, alumina fiber,
Silica fiber, silica fiber, carbon fiber, zirconia fiber,
It has a honeycomb structure mainly composed of at least one type of heat-resistant inorganic fibrous material selected from silicon nitride fibers, silicon carbide fibers, mullite fibers, and rock wool.
【０００６】[0006]
【作用】この構成によって、ハニカム構造体のセルが強
度を保持する骨格となり、セル内部に熱伝導率の低い空
気層を形成することとなる。[Operation] With this structure, the cells of the honeycomb structure become a skeleton that maintains strength, and an air layer with low thermal conductivity is formed inside the cells.
【０００７】[0007]
【実施例】以下本発明の一実施例について、図面を参照
しながら説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【０００８】図１および図２に示すように、耐熱性の無
機繊維状物と耐熱性の無機材料粉末との混合物を抄造し
て形成した厚さｔの無機材料紙を素材として成形した波
型シート１と平型シート２を段ボール紙と同様に接着し
て、山の高さがｈで、ピッチ長さがｌのコルゲートシー
トを形成する。コルゲートシートの所定の成形体を所定
の温度で焼成してセラミック材とする。As shown in FIGS. 1 and 2, a corrugated shape is formed using an inorganic material paper having a thickness t formed by paper-making a mixture of a heat-resistant inorganic fibrous material and a heat-resistant inorganic material powder. Sheet 1 and flat sheet 2 are adhered in the same manner as corrugated paper to form a corrugated sheet with a peak height of h and a pitch length of l. A predetermined molded body of corrugate sheet is fired at a predetermined temperature to form a ceramic material.
【０００９】コルゲートシートに使用される無機繊維状
物は、焼成炉の操作温度により選択され、操作温度が１
２００℃以下の比較的低い温度での使用には、例えばア
ルミナ・シリカ繊維かロックウールを使用し、操作温度
が１２００℃を超える比較的高温での使用には、例えば
、ジルコニア繊維，アルミナ繊維、又はムライト繊維等
が用いられる。The inorganic fibrous material used for the corrugated sheet is selected depending on the operating temperature of the firing furnace.
For use at relatively low temperatures below 200°C, for example, alumina-silica fibers or rock wool are used; for use at relatively high operating temperatures above 1200°C, for example, zirconia fibers, alumina fibers, Alternatively, mullite fiber or the like may be used.
【００１０】無機材料紙には無機繊維状物の他にセリサ
イト系粘土，シリカ，アルミナ，マグネシア，ジルコニ
ア，ムライト又はチタン酸アルミニウム等から選ばれる
少なくとも一種類以上の耐熱性の無機材料粉末や、バイ
ンダが含有されており、焼成する事により耐熱性の無機
繊維状物を主体とするセラミック材となる。The inorganic material paper contains, in addition to the inorganic fibrous material, at least one kind of heat-resistant inorganic material powder selected from sericite clay, silica, alumina, magnesia, zirconia, mullite, aluminum titanate, etc. It contains a binder, and when fired, it becomes a ceramic material mainly composed of heat-resistant inorganic fibrous materials.
【００１１】このセラミック材に含まれる無機繊維状物
の含有量は、１０％〜８０％とすることが好ましい。[0011] The content of the inorganic fibrous material contained in this ceramic material is preferably 10% to 80%.
【００１２】以下、（実施例１）ないし（実施例３）で
さらに詳しく本発明について説明する。The present invention will be explained in more detail below in (Example 1) to (Example 3).
【００１３】（実施例１）アルミナ含有率が４９重量％
でシリカ含有率が５１重量％の成分のアルミナ・シリカ
繊維を４０重量％とセリサイト系粘土を６０重量％との
混合物を、抄造して得られた無機材料紙をダンボールの
製造と同じ方法で波型シートと平型シートを接着してコ
ルゲートシートを作成した。このコルゲートシートのピ
ッチ長さｄは３．０ｍｍ、山の高さｈは２ｍｍ、シート
厚みｔは０．４ｍｍとした。このコルゲート形状は、好
ましくは、ピッチ長さｄは１〜１５ｍｍ、山の高さｈは
１〜１５ｍｍ、シート厚みは０．１５〜２ｍｍである。(Example 1) Alumina content is 49% by weight
A mixture of 40% by weight of alumina/silica fibers with a silica content of 51% by weight and 60% by weight of sericite clay was made into paper, and the inorganic material paper obtained was made using the same method as in the production of cardboard. A corrugated sheet was created by gluing a corrugated sheet and a flat sheet. The pitch length d of this corrugated sheet was 3.0 mm, the peak height h was 2 mm, and the sheet thickness t was 0.4 mm. This corrugated shape preferably has a pitch length d of 1 to 15 mm, a peak height h of 1 to 15 mm, and a sheet thickness of 0.15 to 2 mm.
【００１４】次にこれを図４に示すように中空の多角柱
状又は円筒状に巻き上げ、ハニカム成形体４又は、５と
し、図３に示すように、無機材料紙と同素材のプラグ材
３をコルゲートシートの開口部６から深さ５ｍｍまで充
填したものを大気中で１３００℃で焼成し、断熱材の厚
みが７５ｍｍのセラミック材を得た。このセラミック材
の耐熱性は１２００℃であり、耐熱衝撃性ΔＴは１００
０℃、かさ密度は０．２３ｇ／ｃｍ３、曲げ強度は２４
．７ｋｇ／ｃｍ２および圧縮強度は４４．５ｋｇ／ｃｍ
２であった。このセラミック材の断熱特性を調べるため
に電気炉の壁材に用いて電気炉を作成した。なお、実施
例１と同耐熱温度の従来の耐熱ボードとを比較する為、
従来の耐熱ボードを電気炉の炉材に用いて電気炉を作成
し断熱特性の比較を行った。操炉条件は、昇温速度を３
００℃／Ｈ、炉内温度１２００℃で２時間保持した。Next, as shown in FIG. 4, this is rolled up into a hollow polygonal column or cylinder to form a honeycomb molded body 4 or 5, and as shown in FIG. The corrugated sheet filled to a depth of 5 mm from the opening 6 was fired at 1300° C. in the atmosphere to obtain a ceramic material with a heat insulating material thickness of 75 mm. The heat resistance of this ceramic material is 1200℃, and the thermal shock resistance ΔT is 100℃.
0℃, bulk density is 0.23g/cm3, bending strength is 24
．． 7kg/cm2 and compressive strength is 44.5kg/cm
It was 2. In order to investigate the insulation properties of this ceramic material, an electric furnace was created using it as a wall material for an electric furnace. In addition, in order to compare Example 1 and a conventional heat-resistant board with the same heat-resistant temperature,
An electric furnace was constructed using a conventional heat-resistant board as the furnace material, and the insulation properties were compared. The furnace operating conditions are a heating rate of 3.
The temperature in the furnace was maintained at 00°C/H and 1200°C for 2 hours.
【００１５】断熱材の厚みが７５ｍｍのセラミック材の
炉材の電気炉の内壁から外壁に向けて２５ｍｍ，５０ｍ
ｍおよび７５ｍｍの位置の温度を測定した結果を従来の
耐熱ボードと比較して（表１）に示している。[0015] A distance of 25 mm and 50 m from the inner wall to the outer wall of an electric furnace made of ceramic material with a heat insulating material thickness of 75 mm.
Table 1 shows the results of measuring the temperature at the positions of m and 75 mm in comparison with a conventional heat-resistant board.
【００１６】[0016]
【表１】[Table 1]
【００１７】この（表１）から明らかなように、本実施
例によるセラミック材は、断熱特性の点で優れた効果が
得られる。As is clear from Table 1, the ceramic material according to this example has excellent heat insulation properties.
【００１８】以上のように本実施例によれば、耐熱性の
無機繊維状物を主体とする耐熱性の無機繊維紙の高耐熱
性と高耐熱衝撃性等の材料を用い、ハニカム構造体とす
ることにより、空隙率が大きく、蓄熱量が小さく、断熱
性に優れ、加工性を良くすることができる。さらにコル
ゲートシートを中空の円筒状、あるいは多角柱状に巻き
上げたハニカム構造体としているので炉壁の四面が一体
化できて短時間で築炉できる。As described above, according to this embodiment, a honeycomb structure and By doing so, the porosity is large, the amount of heat storage is small, the heat insulation is excellent, and the workability can be improved. Furthermore, since the corrugated sheet is rolled up into a hollow cylindrical or polygonal column shape to form a honeycomb structure, the four sides of the furnace wall can be integrated, making it possible to construct the furnace in a short time.
【００１９】（実施例２）実施例１と同一条件でコルゲ
ートシートを作成し、これを図５に示すように交互に積
層して形成した積層体７を実施例１と同様にプラグ材を
開口部両端より５ｍｍ充填し、大気中で１３００℃で焼
成し、断熱材の厚みが７５ｍｍのセラミック材を得た。
このセラミック材の耐熱性は１２００℃であり、耐熱衝
撃性ΔＴは１０００℃、かさ密度は０．２５ｇ／ｃｍ３
、曲げ強度は３６．４ｋｇ／ｃｍ２、圧縮強度は５７．
２ｋｇ／ｃｍ２であった。(Example 2) A corrugated sheet was prepared under the same conditions as in Example 1, and a laminate 7 was formed by laminating the corrugated sheets alternately as shown in FIG. The ceramic material was filled with a thickness of 5 mm from both ends and fired at 1300° C. in the atmosphere to obtain a ceramic material with a heat insulating material thickness of 75 mm. The heat resistance of this ceramic material is 1200℃, the thermal shock resistance ΔT is 1000℃, and the bulk density is 0.25g/cm3.
, the bending strength is 36.4 kg/cm2, and the compressive strength is 57.
It was 2 kg/cm2.
【００２０】このセラミック材の断熱特性を調べるため
に実施例１と同様に電気炉の壁材に用いて電気炉を作成
し実施例１と同様に２５ｍｍ，５０ｍｍおよび７５ｍｍ
の位置の温度を測定し、（表１）で示した実施例１と同
じ結果が得られた。In order to investigate the heat insulation properties of this ceramic material, an electric furnace was prepared by using it as a wall material in the same manner as in Example 1.
The temperature at the position was measured, and the same results as in Example 1 shown in (Table 1) were obtained.
【００２１】本実施例によるセラミック材も断熱特性の
点で優れた効果が得られる。
（実施例３）ジルコニア繊維を４０重量％とジルコニア
粉末を６０重量％との混合物を、抄造して得られた無機
材料紙で実施例１と同様にして作成したコルゲートシー
トを中空の多角柱状又は円筒状に巻き上げハニカム成形
体とし、無機材料紙と同素材のプラグ材をコルゲートシ
ートの両端の開口部から深さ５ｍｍまで充填したものを
大気中で１８００℃で焼成し、断熱材の厚みが７５ｍｍ
のセラミック材を得た。このセラミック材の耐熱性は１
７５０℃であり、耐熱衝撃性ΔＴは１０００℃、かさ密
度は０．２５ｇ／ｃｍ３、曲げ強度は２２．５ｋｇ／ｃ
ｍ２および圧縮強度は４１．５ｋｇ／ｃｍ２であった。
セラミック材の断熱特性を調べるために電気炉の壁材に
用いて電気炉を作成した。なお、実施例３と同耐熱温度
の従来の耐熱ボードとを比較する為、従来の耐熱ボード
を炉材として電気炉を作成し断熱特性の比較を行った。
操炉条件は、昇温速度を３００℃／Ｈ、炉内温度１７５
０℃で２時間保持した。実施例１と同様に電気炉の内壁
から外壁に向けて２５ｍｍ，５０ｍｍ、および７５ｍｍ
の位置の温度を測定した結果を従来の耐熱ボードと比較
して（表２）に示している。[0021] The ceramic material according to this example also provides excellent effects in terms of heat insulating properties. (Example 3) A corrugated sheet made in the same manner as in Example 1 using inorganic material paper obtained by paper-making a mixture of 40% by weight of zirconia fibers and 60% by weight of zirconia powder was made into a hollow polygonal column or The product was rolled up into a cylindrical shape to form a honeycomb body, filled with plug material made of the same material as inorganic paper to a depth of 5 mm from the openings at both ends of the corrugated sheet, and fired at 1800°C in the air to create a heat insulating material with a thickness of 75 mm.
A ceramic material was obtained. The heat resistance of this ceramic material is 1
The temperature is 750℃, the thermal shock resistance ΔT is 1000℃, the bulk density is 0.25g/cm3, and the bending strength is 22.5kg/c.
m2 and compressive strength were 41.5 kg/cm2. In order to investigate the insulation properties of ceramic materials, we created an electric furnace using ceramic materials as wall materials. In order to compare Example 3 with a conventional heat-resistant board having the same heat-resistant temperature, an electric furnace was created using the conventional heat-resistant board as a furnace material, and the insulation properties were compared. The furnace operating conditions were a heating rate of 300°C/H and a furnace temperature of 175°C.
It was held at 0°C for 2 hours. As in Example 1, the distances are 25 mm, 50 mm, and 75 mm from the inner wall to the outer wall of the electric furnace.
The results of measuring the temperature at the position are shown in Table 2 in comparison with a conventional heat-resistant board.
【００２２】[0022]
【表２】[Table 2]
【００２３】この（表２）から明らかなように、本実施
例によるセラミック材は、断熱特性の点で優れた結果が
得られる。As is clear from Table 2, the ceramic material according to this example provides excellent results in terms of heat insulation properties.
【００２４】なお、１７５０℃で２時間保持した操炉で
、実施例３のセラミック材を用いた電気炉の消費電力量
は１１．８５ＫＷＨで従来の耐熱ボードを用いた電気炉
の消費電力量の１４．８ＫＷＨに比して熱効率を良くす
ることができる。[0024] When the furnace was operated at 1750°C for 2 hours, the power consumption of the electric furnace using the ceramic material of Example 3 was 11.85 KWH, which was lower than the power consumption of the electric furnace using the conventional heat-resistant board. Thermal efficiency can be improved compared to 14.8KWH.
【００２５】[0025]
【発明の効果】以上の実施例の説明からも明らかなよう
に本発明は、耐熱性の無機繊維状物を主体としたハニカ
ム状構造体とすることにより、耐熱性や耐熱衝撃性に優
れ、高空隙率で軽量にもかかわらず高強度を有し、かつ
熱伝導率や蓄熱性が小さく、断熱性に優れる為、焼成炉
の壁材として広く利用でき、熱エネルギーの省力化も実
現できる優れたセラミック材を実現できるものである。Effects of the Invention As is clear from the description of the above embodiments, the present invention has excellent heat resistance and thermal shock resistance by forming a honeycomb-like structure mainly made of heat-resistant inorganic fibers. It has high porosity and high strength despite being lightweight, has low thermal conductivity and heat storage, and has excellent insulation properties, so it can be widely used as a wall material for kilns, and is an excellent product that can save thermal energy. This makes it possible to create a ceramic material with a high temperature.
【図１】本発明の一実施例のセラミック材の要部の概念
を示した正面断面略図[Fig. 1] A schematic front cross-sectional view showing the concept of the main parts of a ceramic material according to an embodiment of the present invention.
【図２】図１のａ−ａ断面略図[Figure 2] Schematic cross-sectional view taken along line a-a in Figure 1
【図３】本発明の一実施例のセラミック材のハニカム構
造体の開口部の両端にプラグ材を充填した状態を示す断
面略図FIG. 3 is a schematic cross-sectional view showing a state in which a plug material is filled at both ends of an opening of a ceramic honeycomb structure according to an embodiment of the present invention.
【図４】（ａ）は本発明の一実施例のコルゲートシート
を中空の円筒状に巻き上げたハニカム構造体の斜面図（
ｂ）は同コルゲートシートを中空の四角柱状に巻き上げ
たハニカム構造体の斜面図FIG. 4(a) is a perspective view of a honeycomb structure in which a corrugated sheet according to an embodiment of the present invention is rolled up into a hollow cylindrical shape.
b) is a slope view of a honeycomb structure made by rolling up the same corrugated sheet into a hollow rectangular prism shape.
【図５】本発明の第２の実施例のセラミック材のコルゲ
ートシートを交互に積層したハニカム構造体の斜面図FIG. 5 is a perspective view of a honeycomb structure in which corrugated sheets of ceramic material are alternately laminated according to the second embodiment of the present invention.
１ 波型シート ２ 平型シート 1. Corrugated sheet 2 Flat sheet
Claims (3)
素繊維，ジルコニア繊維，窒化ケイ素繊維，炭化ケイ素
繊維，ムライト繊維、又はロックウールから選ばれる少
なくとも一種類以上の耐熱性の無機繊維状物と耐熱性の
無機材料粉末との混合物を抄造して形成した無機材料紙
を素材とした波型シートと、平型シートとを一体化した
コルゲートシートを、中空の円筒状、あるいは多角柱状
に巻き上げて形成した成形体を所定温度で焼成したハニ
カム構造体のセラミック材。Claim 1: At least one heat-resistant inorganic fibrous material selected from alumina fiber, alumina-silica fiber, carbon fiber, zirconia fiber, silicon nitride fiber, silicon carbide fiber, mullite fiber, or rock wool; A corrugated sheet is formed by rolling up a corrugated sheet, which is a combination of a corrugated sheet made of inorganic paper made by paper-making a mixture with organic inorganic material powder, and a flat sheet, into a hollow cylindrical shape or polygonal column shape. A ceramic material with a honeycomb structure made by firing a molded body at a predetermined temperature.
積層して形成した成形体を所定温度で焼成したハニカム
構造体のセラミック材。2. A ceramic material having a honeycomb structure, which is obtained by firing a formed body formed by laminating a plurality of corrugated sheets according to claim 1 at a predetermined temperature.
端に、同材質の耐熱性の無機繊維状物を主体とするプラ
グ材を充填して所定温度で焼成したハニカム構造体のセ
ラミック材。3. A honeycomb structure obtained by filling both ends of the opening of the molded body according to claim 1 or 2 with a plug material mainly composed of heat-resistant inorganic fibers of the same material and firing at a predetermined temperature. Ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6629191A JPH04301403A (en) | 1991-03-29 | 1991-03-29 | Ceramic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6629191A JPH04301403A (en) | 1991-03-29 | 1991-03-29 | Ceramic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04301403A true JPH04301403A (en) | 1992-10-26 |
Family
ID=13311576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6629191A Pending JPH04301403A (en) | 1991-03-29 | 1991-03-29 | Ceramic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04301403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017106250A (en) * | 2015-12-10 | 2017-06-15 | 株式会社ヤブ原 | External heat insulation method |
-
1991
- 1991-03-29 JP JP6629191A patent/JPH04301403A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017106250A (en) * | 2015-12-10 | 2017-06-15 | 株式会社ヤブ原 | External heat insulation method |
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