JPH0247003A - Manufacture of oxide ceramic wire - Google Patents
Manufacture of oxide ceramic wireInfo
- Publication number
- JPH0247003A JPH0247003A JP19707288A JP19707288A JPH0247003A JP H0247003 A JPH0247003 A JP H0247003A JP 19707288 A JP19707288 A JP 19707288A JP 19707288 A JP19707288 A JP 19707288A JP H0247003 A JPH0247003 A JP H0247003A
- Authority
- JP
- Japan
- Prior art keywords
- alumina
- slurry
- dried
- wire
- oxide
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229910052574 oxide ceramic Inorganic materials 0.000 title abstract description 10
- 239000011224 oxide ceramic Substances 0.000 title abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 238000010304 firing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 14
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 6
- 239000011496 polyurethane foam Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000005245 sintering Methods 0.000 abstract description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000012190 activator Substances 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は酸化物系セラミックス線材、例えば）析熱材と
して用いられる耐火物系セラミックス線材、酸化物系超
伝導セラミックスの送電線、コイルの原材料となる線材
、を製造する方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to oxide-based ceramic wires, for example, refractory-based ceramic wires used as heat analysis materials, oxide-based superconducting ceramic power transmission lines, and raw materials for coils. This invention relates to a method for manufacturing a wire rod.
セラミックス自身は金属のように塑性加工することが困
難であるため、従来のセラミックス線材化技術としては
、主として次のようなものであった。Since ceramics themselves are difficult to be plastically worked like metals, conventional techniques for producing ceramic wires have mainly been as follows.
（ｌ） セラミックス粉末を金属パイプに詰めこんだ
ものをスウエージング線引き、圧延などによって線状に
加工する方法
（２） 有機結合材を用いてセラミックス粉末を粘土
状にした後、線状に押出す方法
Ｃ３１金属線などの上に物理的又は化学的に蒸着する方
法
（４１紙などにセラミックススラリーを含浸させ、更に
紙管に巻つけた後、乾燥、焼結する方法（特開昭６２−
２８３８８６号公報）
〔発明が解決しようとする課題〕
前記従来の技術のうち（１）の方法は最終製品が比較的
フレキシブルであるという長所をもつもの＼、細線を得
るにはスウエージングとアニールの繰返しが必要となシ
、コスト的に不利で、しかもセラミックス材単独として
利用する場合には金属被覆層の除去が必要となるなどの
問題点があった。（２）の方法は細線が単一の工程で得
られるもの＼、長尺化する時に破壊し易いという問題点
があった。また、（３）の方法ではｆｉｌＯ方法と同様
にコスト面で不利であるばかシでなく芯材の金属線の除
去が困難であるなどの問題点があった。更に、また、（
４）の方法では、線材を細くすることが難しく、多孔質
セラミックス線材の作製には向くもの＼、緻密なものは
得にくいという問題点があった。(l) A method in which ceramic powder is packed into a metal pipe and processed into a linear shape by swaging, drawing, rolling, etc. (2) A method in which the ceramic powder is made into a clay-like form using an organic binder and then extruded into a linear shape. A method of physically or chemically vapor depositing onto a C31 metal wire, etc. (A method of impregnating a ceramic slurry into a C31 paper, winding it around a paper tube, drying, and sintering it)
(Publication No. 283886) [Problems to be Solved by the Invention] Among the above-mentioned conventional techniques, method (1) has the advantage that the final product is relatively flexible, but requires swaging and annealing to obtain a fine wire. There are problems in that it requires repetition, is disadvantageous in terms of cost, and requires removal of the metal coating layer when used as a ceramic material alone. In method (2), a thin wire can be obtained in a single process, but it has the problem that it is easily broken when lengthened. Further, like the filO method, method (3) is not only disadvantageous in terms of cost but also has problems such as difficulty in removing the metal wire of the core material. Moreover, (
With method 4), it is difficult to make the wire thin, and although it is suitable for producing porous ceramic wire, it is difficult to obtain a dense wire.
本発明は上記従来の技術水準に鑑み、極めて簡単な手段
でセラミックス線材、特に酸化物系セラミックス線材を
製造することができる方法を提供しようとするものであ
る。In view of the above-mentioned prior art level, the present invention seeks to provide a method for producing ceramic wires, particularly oxide-based ceramic wires, by extremely simple means.
本発明は一次元の有機質繊維（線材も含む）を芯材とし
て、その表面に酸化物系セラミックススラリーを付着さ
せ、これを乾燥後、酸素含有ガス雰囲気中で焼成するこ
とによシ有機質繊維の消失除去を行うと同時に酸化物系
セラミックスを焼結させて中空状のセラミックス線材を
製造する方法である。The present invention uses a one-dimensional organic fiber (including wire rod) as a core material, attaches an oxide-based ceramic slurry to the surface of the core material, dries it, and then fires it in an oxygen-containing gas atmosphere. This is a method of producing a hollow ceramic wire by sintering the oxide ceramic while removing it.
一次元の有機質繊維（線材）は焼成前においては酸化物
系セラミックススラリーの補強芯材として作用し、酸化
物系セラミックススラリーを付着した該有機質繊維を酸
素含有ガス雰囲気中で焼成すると、酸化物系セラミック
ス自身の焼結が始まる温度に達する前に、酸化物系セラ
ミックススラリー中の有機質及び芯材として用いた有機
質繊維が消失してしまうため酸化物系セラミックスの中
空状の線材が得られる。The one-dimensional organic fiber (wire rod) acts as a reinforcing core material for the oxide-based ceramic slurry before firing, and when the organic fiber to which the oxide-based ceramic slurry is attached is fired in an oxygen-containing gas atmosphere, the oxide-based Since the organic substance in the oxide ceramic slurry and the organic fiber used as the core material disappear before the temperature reaches the point where the ceramic itself starts to sinter, a hollow wire of the oxide ceramic is obtained.
以下、本発明の一実施例を第１図を参照しながら説明す
る。An embodiment of the present invention will be described below with reference to FIG.
市販の易焼結性アルミナ（住人化学社製：Ａｇ５−１１
Ｃ：平均粒径０．４μ）１００部を、ポリビニルアルコ
ールと界面活性剤を溶解した水７０部に十分に分散させ
てアルミナ以外ＩＪ −を調製した。Commercially available easily sinterable alumina (manufactured by Sumima Kagaku Co., Ltd.: Ag5-11
IJ - other than alumina was prepared by sufficiently dispersing 100 parts of C: average particle size of 0.4 μm in 70 parts of water in which polyvinyl alcohol and a surfactant were dissolved.
このアルミナスラリーに直径０．２Ｈのポリウレタンフ
ォーム製の連続繊維を浸漬させて表面にアルミナスラリ
ーを付着させた後に引上げた。Continuous fibers made of polyurethane foam having a diameter of 0.2H were immersed in this alumina slurry to adhere the alumina slurry to the surface, and then pulled up.
この状態を第１図（ａｌに示す。こ＼において１は芯材
となるポリウレタンフォーム製連続繊維（−次元有機繊
維）、２は付着したアルミナスラリー（酸化物系セラミ
ックススラリー）である。This state is shown in FIG. 1 (al). In this figure, 1 is a polyurethane foam continuous fiber (-dimensional organic fiber) serving as a core material, and 2 is an attached alumina slurry (oxide-based ceramic slurry).
このものを熱風乾燥機でｄＯｃ、４０分間乾燥させた。This product was dried in a hot air dryer at dOc for 40 minutes.
この状態を第１図（ｂ） Ｋ示す。こ＼において１は上
記と同じものを示し、３はアルミナスラリーが乾燥収縮
した皮膜である。This state is shown in FIG. 1(b). In this case, 1 is the same as above, and 3 is a film obtained by drying and shrinking the alumina slurry.
このものを更に大気中で１６００Ｃ，９０分間焼成し、
ポリウレタンフォーム製連続繊維１を消失させると共に
乾燥収縮したアルミナ皮膜３を焼結させた。この状態を
第１図（ｃ）に示す。This material was further fired at 1600C for 90 minutes in the air.
The polyurethane foam continuous fibers 1 were eliminated and the alumina film 3 which had been dried and shrunk was sintered. This state is shown in FIG. 1(c).
こ＼において４は中空状アルミナ線材、５は中空部であ
る。In this case, 4 is a hollow alumina wire, and 5 is a hollow part.
以上、一つの具体的な実施例をあげたが、芯材として使
用される一次元の有機質繊維としてはポリウレタンフォ
ーム以外にも、焼成時に消失除去し得るものであれば、
アクリル、゛ポリスチレン、アセテートなど基本的には
有機質のものならば何んでも使用することができ、酸化
物系セラミックスならばアルミナ以外にも任意のもの、
例えば、種々の固体電解質、超伝導セラミックスさえも
使用することができる。また、酸化物セラミックススラ
リーを調製する際に使用される結合剤、分散剤などの添
加剤も種々の組合せで使用できるものである。Although one specific example has been given above, the one-dimensional organic fiber used as the core material may be one other than polyurethane foam, as long as it disappears and can be removed during firing.
Basically, any organic material such as acrylic, polystyrene, acetate, etc. can be used, and in the case of oxide ceramics, any material other than alumina can be used.
For example, various solid electrolytes and even superconducting ceramics can be used. Furthermore, additives such as binders and dispersants used in preparing the oxide ceramic slurry can also be used in various combinations.
本発明によれば、フレキシブルな一次元の有機質繊維を
芯材として使用するため、芯材に張力を与えることが可
能であるので、酸化物系セラミックススラリーへの浸漬
や巻取りが容易であり、連続生産が可能である。また−
次元の有機質繊維や、酸化物系セラミックススラリー調
製時に使用される添加剤は焼成時に消失するため、酸化
物セラミックス単体からなる線材が直接得られる効果が
ある。従って本発明は酸化物系セラミックス線材が安価
に製造でき、その工業的価値は顕著である。According to the present invention, since a flexible one-dimensional organic fiber is used as the core material, it is possible to apply tension to the core material, so it is easy to immerse it in an oxide ceramic slurry and wind it up. Continuous production is possible. Also-
Since the dimensional organic fibers and additives used in preparing the oxide-based ceramic slurry disappear during firing, there is an effect that a wire made of a single oxide ceramic can be directly obtained. Therefore, according to the present invention, an oxide-based ceramic wire can be manufactured at low cost, and its industrial value is remarkable.
第１図は本発明の一実施例を説明するための概略工程図
で、（ａ）は−次元の有機質繊維を酸化物系セラミック
ススラリーから引上げ次状態、（ｂｌはそれを乾燥させ
た状態、（Ｃ）は焼成した後の状態を夫々示す図である
。FIG. 1 is a schematic process diagram for explaining one embodiment of the present invention, in which (a) shows the next state in which -dimensional organic fibers are pulled from the oxide-based ceramic slurry, (bl shows the state in which they are dried, (C) is a diagram showing the state after firing.
Claims (1)
リーを付着させ、これを乾燥後、酸素含有ガス雰囲気中
で焼成することを特徴とする酸化物系セラミックス線材
の製造方法。A method for producing an oxide-based ceramic wire, which comprises depositing an oxide-based ceramic slurry on the surface of a one-dimensional organic fiber, drying it, and then firing it in an oxygen-containing gas atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19707288A JPH0247003A (en) | 1988-08-09 | 1988-08-09 | Manufacture of oxide ceramic wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19707288A JPH0247003A (en) | 1988-08-09 | 1988-08-09 | Manufacture of oxide ceramic wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247003A true JPH0247003A (en) | 1990-02-16 |
Family
ID=16368249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19707288A Pending JPH0247003A (en) | 1988-08-09 | 1988-08-09 | Manufacture of oxide ceramic wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100668574B1 (en) * | 1998-12-31 | 2007-01-16 | 제너럴 일렉트릭 캄파니 | Core Compositions and Articles with Improved Performance for Use in Castings for Gas Turbine Applications |
-
1988
- 1988-08-09 JP JP19707288A patent/JPH0247003A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100668574B1 (en) * | 1998-12-31 | 2007-01-16 | 제너럴 일렉트릭 캄파니 | Core Compositions and Articles with Improved Performance for Use in Castings for Gas Turbine Applications |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5839799B2 (en) | Manufacturing method of large honeycomb structure | |
| US3923940A (en) | Process for the manufacture of ceramic honeycomb structures | |
| EP1541538B1 (en) | Method for producing porous ceramic article | |
| KR890008059A (en) | Porous membrane and its manufacturing method | |
| JPH05254914A (en) | Method for making sintered body | |
| JPH0247003A (en) | Manufacture of oxide ceramic wire | |
| US4693918A (en) | Tool for firing ceramics | |
| CA2039509A1 (en) | Heat-resistant metal monolith and manufacturing method therefor | |
| US3321285A (en) | Molybdenum fiber reinforced alumina | |
| CN104667762A (en) | Manufacturing method for seamless metal pipe | |
| JP4578324B2 (en) | Method for producing porous ceramic molded body | |
| JP2558748B2 (en) | Method for forming ceramic coil spring | |
| WO2018008623A1 (en) | Honeycomb structure and method for producing honeycomb structure | |
| JPH04321530A (en) | Method of preparing optical waveguide preform | |
| JP2004298709A (en) | Dust collection-functional honeycombed structure of catalyst-supportable oxide ceramics and its manufacturing method | |
| JP2597371B2 (en) | Ceramic coil spring forming equipment | |
| Poeppel et al. | Shape forming high-T c superconductors | |
| JP2581924B2 (en) | Bonding method of porous ceramic sintered body | |
| JPH04209772A (en) | Ceramic porous material | |
| JPS62283886A (en) | Manufacture of thin porous ceramic pipe | |
| JPH01110908A (en) | Method for forming ceramic coil spring | |
| JPH11116352A (en) | Production of porous ceramic | |
| JP3215390B2 (en) | Electronic component firing setter and method of manufacturing the same | |
| SU1666156A1 (en) | Method of manufacturing ceramic filtering material | |
| JP2628713B2 (en) | Method for producing porous ceramic sintered body |