JPS62158172A - Manufacture of fiber reinforced ceramic - Google Patents
Manufacture of fiber reinforced ceramicInfo
- Publication number
- JPS62158172A JPS62158172A JP60297035A JP29703585A JPS62158172A JP S62158172 A JPS62158172 A JP S62158172A JP 60297035 A JP60297035 A JP 60297035A JP 29703585 A JP29703585 A JP 29703585A JP S62158172 A JPS62158172 A JP S62158172A
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- manufacture
- fiber reinforced
- fiber
- reinforced ceramic
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
く産業上の利用分野〉
本発明は繊維強化されたセラミックの製造方法に係わる
乙のである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a method for manufacturing fiber-reinforced ceramics.
〈従来の技術〉
ウィスカー等の１ｌｌＪＩｆｆで強化されたセラミック
は機械的特性が極めて優れでいることが知られている。<Prior Art> It is known that ceramics reinforced with 1llJIff, such as whiskers, have extremely excellent mechanical properties.
これらのセラミックは、通常、強化用の繊維とマトリッ
クスの成分を混合、焼結することによって製造されてい
る。These ceramics are typically manufactured by mixing and sintering reinforcing fiber and matrix components.
しかして、これらの繊維には通常セラミックのウィスカ
ーが使用されるが、これらは非常に高価である。However, ceramic whiskers are usually used for these fibers, but these are very expensive.
繊維強化セラミックの工業化にあたっては、この問題を
解決する必要がある。In order to industrialize fiber-reinforced ceramics, it is necessary to solve this problem.
〈発明が解決しようとする問題点〉・
本発明は、以上の問題点に鑑みてなされたもので、高価
な補強用の繊維の使用を告無あるいは大幅に減らしても
十分に補強効果が発揮される新規な製造方法を提供せん
とするものである。<Problems to be Solved by the Invention> The present invention has been made in view of the above-mentioned problems, and provides a sufficient reinforcing effect even if the use of expensive reinforcing fibers is not used or is significantly reduced. The purpose of this study is to provide a new method for manufacturing the same.
〈問題点を解決するための手段〉
本発明者は以上の問題に関して鋭ＱｒＩＪ′ｌ究をおこ
なった結果、次のようなあたらしい知見をうるに至った
。<Means for Solving the Problems> As a result of intensive research into the above-mentioned problems, the inventors have come to the following new knowledge.
即ら、
廿ラミックウィスカーの様な補強繊維を予め加えなくて
も、セラミックを焼成する時に、雰囲気ガスと反応して
補強用のセラミック繊維を生成する＋’ｉ ’ｊ’Ｊの
ある成分、あるいは３ｉの様な金属の液相と反応して補
強用のけラミック繊維を生成づる性質のある成分をセラ
ミック原料に混合して反応焼結させると、焼結体には繊
維の補強効果が発生することを見出だした。In other words, a certain component that reacts with atmospheric gas to produce reinforcing ceramic fibers when firing the ceramic without adding reinforcing fibers such as lamic whiskers in advance, or When a component such as 3i, which has the property of reacting with the liquid phase of metal to produce reinforcing ceramic fibers, is mixed with ceramic raw materials and reacted and sintered, the sintered body will have the reinforcing effect of the fibers. I found out something.
本発明は、以上の知見に基づいてなされたものである。The present invention has been made based on the above findings.
〈作用〉
雰囲気ガスと反応して繊維状のセラミックに転化される
ものとして、繊維状のシリコンが必り、Ｓｉのような金
属の液相と反応してセラミック繊維に転化されるものと
して炭素繊維がある。これらはそれぞれ窒化ケイ素（雰
囲気：窒化雰囲気）、炭化ケイ素（液相金属：Ｓｉ）の
繊維に転化される。<Function> Fibrous silicon is necessarily converted into fibrous ceramic by reacting with atmospheric gas, and carbon fiber is converted into ceramic fiber by reacting with the liquid phase of metal such as Si. There is. These are converted into fibers of silicon nitride (atmosphere: nitriding atmosphere) and silicon carbide (liquid phase metal: Si), respectively.
〈実施例〉
実施例１
炭化ケイ素の粉末と炭素繊維を、重量比で３：１の割合
で混合し、これに解ころ剤を加えて鋳こみ成型用のスリ
ップを作り、石膏型を使って、１０×１０×５０Ｍの板
状のものを成型した。<Examples> Example 1 Silicon carbide powder and carbon fiber were mixed at a weight ratio of 3:1, a derolling agent was added to this to make a slip for casting, and a slip was made using a plaster mold. , a 10×10×50M plate was molded.
この１次成型体を乾燥した後、アルゴン雰囲気で８００
℃に加熱焼成して２次成型体を作った。After drying this primary molded body, 800
A secondary molded body was produced by heating and firing at ℃.
次にこの成型体に１５００℃で溶融シリコンを浸透させ
た。Next, molten silicon was infiltrated into this molded body at 1500°C.
本発明によって得られた焼成体の曲げ強度は、７６Ｋｔ
ｔ／／ｎＩ！であった。The bending strength of the fired body obtained by the present invention is 76Kt.
t//nI! Met.
囚みに、繊紺強化されていない通常の炭化ケイ素の曲げ
強度は５０〜６０Ｋｙ／ｍｔｔｔである。For comparison, the bending strength of ordinary silicon carbide that is not fiber-reinforced is 50 to 60 Ky/mttt.
実施例２
炭化ケイ素ウィスカーと炭化グーイ素扮末および炭素繊
維を重量比でそれぞれ６：２：３の割合で混合し、実施
例１と同様に鋳こみ成型用のスリップを作り、実施例１
と同じ手順でシリコンの含浸を行なった。Example 2 Silicon carbide whiskers, gooey carbide powder, and carbon fiber were mixed in a weight ratio of 6:2:3, and a slip for casting was prepared in the same manner as in Example 1.
Silicone impregnation was performed using the same procedure.
試翳片のリーイズは、実施例１と同じ１０×１０×１０
０ＩＩｖＲである。The size of the test piece is 10 x 10 x 10, which is the same as in Example 1.
0IIvR.
えられた焼成体の曲げ強度は８０に’ｌ／ｍｔｒｊであ
った。The bending strength of the obtained fired body was 80'l/mtrj.
実施例３
窒化グイ累粉末とシリコンのウィスカーを重量比で３ニ
アの割合いで混合し、これに解こう剤を加えて鋳こみ成
型用のスリップを作り、石膏型を使って、・１０Ｘ１０
Ｘ５０＃の板状のものを成型した。Example 3 Mix nitride powder and silicon whiskers at a weight ratio of 3, add a peptizer to this to make a slip for casting, and use a plaster mold to make a 10×10
A plate shape of X50# was molded.
この−吹成型体を乾燥した後、アルゴン雰囲気で、１２
００℃に加熱焼成して、二次焼成体を作つ ｌこ 。After drying this blow-molded body, it was heated for 12 hours in an argon atmosphere.
A secondary fired body is produced by heating and firing at 00°C.
次に、この成型体を窒化雰囲気で１４０Ｑ℃に加熱焼成
した。Next, this molded body was heated and fired at 140Q°C in a nitriding atmosphere.
えられた焼成体の曲げ強度は、３０に９／ｍｎｊであっ
た。囚みに、繊維強化されていない通常の窒化ケイ素の
曲げ強度は、１８〜２５Ｋｙ／−である。The bending strength of the obtained fired body was 30 to 9/mnj. For comparison, the bending strength of normal silicon nitride without fiber reinforcement is 18-25 Ky/-.
実施例４
窒化ケイ素粉末とシリコンのウィスカーを重量比でそれ
ぞれ３ニアの割合で混合し、金型プレスを用いて成型し
、反応焼結法によって窒化ケイ素の焼結体を作った。Example 4 Silicon nitride powder and silicon whiskers were mixed at a weight ratio of 3 nia, molded using a mold press, and a sintered body of silicon nitride was produced by a reaction sintering method.
えられた焼結体の曲げ強度は、３２ＫＦＩ／ｍｔｙｊで
あった。The bending strength of the obtained sintered body was 32 KFI/mtyj.
以上実施例１〜４から、本発明方法によれば、予め補強
用の繊維を加えなくても、反応焼結によって、補強用繊
維が生成され、補強効果が現われることを確認すること
ができた。From the above Examples 1 to 4, it was confirmed that according to the method of the present invention, reinforcing fibers were generated by reaction sintering and a reinforcing effect appeared even without adding reinforcing fibers in advance. .
〈発明の効果〉
１）予め補強用のセラミック繊維を加えなくても補強効
果が発生ずる。<Effects of the Invention> 1) A reinforcing effect can be produced even without adding reinforcing ceramic fibers in advance.
２）安価で゛ある。2) It is inexpensive.
Claims (1)
繊維状のセラミックを生成する性質のある成分、あるい
は液相金属と反応して繊維状セラミックを生成する性質
のある成分をセラミック原料に混合して反応焼結させる
ことを特徴とする繊維強化されたセラミックの製造方法
。When firing ceramics, a component that has the property of reacting with atmospheric gas to produce fibrous ceramic or a component that has the property of reacting with liquid phase metal to produce fibrous ceramic is mixed into the ceramic raw material. A method for producing a fiber-reinforced ceramic, characterized by reaction sintering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60297035A JPS62158172A (en) | 1985-12-29 | 1985-12-29 | Manufacture of fiber reinforced ceramic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60297035A JPS62158172A (en) | 1985-12-29 | 1985-12-29 | Manufacture of fiber reinforced ceramic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62158172A true JPS62158172A (en) | 1987-07-14 |
Family
ID=17841375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60297035A Pending JPS62158172A (en) | 1985-12-29 | 1985-12-29 | Manufacture of fiber reinforced ceramic |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62158172A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0331160A2 (en) * | 1988-03-04 | 1989-09-06 | Hitachi, Ltd. | Functional ceramic shaped article and process for producing the same |
| JP2010144517A (en) * | 2008-12-16 | 2010-07-01 | Mitsubishi Electric Corp | Hermetic compressor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5692181A (en) * | 1979-12-05 | 1981-07-25 | Gen Electric | Manufacture of formed silicon*carbide*silicon* matrix composite substance and product formed thereby |
| JPS56129668A (en) * | 1980-03-12 | 1981-10-09 | Kurosaki Refractories Co | Sic-si3n4 composite specific heat-resistant ceramics and manufacture |
| JPS5957964A (en) * | 1982-09-28 | 1984-04-03 | 住友電気工業株式会社 | Manufacture of fiber reinforced silicon nitride sintered bo-dy |
-
1985
- 1985-12-29 JP JP60297035A patent/JPS62158172A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5692181A (en) * | 1979-12-05 | 1981-07-25 | Gen Electric | Manufacture of formed silicon*carbide*silicon* matrix composite substance and product formed thereby |
| JPS56129668A (en) * | 1980-03-12 | 1981-10-09 | Kurosaki Refractories Co | Sic-si3n4 composite specific heat-resistant ceramics and manufacture |
| JPS5957964A (en) * | 1982-09-28 | 1984-04-03 | 住友電気工業株式会社 | Manufacture of fiber reinforced silicon nitride sintered bo-dy |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0331160A2 (en) * | 1988-03-04 | 1989-09-06 | Hitachi, Ltd. | Functional ceramic shaped article and process for producing the same |
| JP2010144517A (en) * | 2008-12-16 | 2010-07-01 | Mitsubishi Electric Corp | Hermetic compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SU665793A3 (en) | Method of producing composite material | |
| KR960010573A (en) | Pressureless sintering of whisker reinforced alumina composites | |
| JPH05186266A (en) | Production of carbon fiber-reinforced silicon carbide composite ceramic | |
| KR960007505A (en) | Manufacturing method of high density titanium carbide ceramic using preceramic polymer binder | |
| JPS61291460A (en) | Manufacture of fiber reinforced silicon carbide ceramic | |
| JPS62158172A (en) | Manufacture of fiber reinforced ceramic | |
| JP3094148B2 (en) | Manufacturing method of lightweight refractory | |
| JP2879675B1 (en) | Method for producing two-dimensional fiber reinforced silicon carbide / carbon composite ceramics | |
| JPS62119175A (en) | Manufacture of silicon carbide fiber reinforced spinel composite sintered body | |
| JPH0313194B2 (en) | ||
| JPS5891073A (en) | Silicon nitride ceramics | |
| KR960004291A (en) | Process for producing high density titanium diboride ceramic using preceramic polymer binder | |
| JPS627672A (en) | Manufacture of fiber reinforced silicon nitride ceramic | |
| KR960007500A (en) | Manufacturing method of high density zirconium carbide ceramic using preceramic polymer binder | |
| JPS6374978A (en) | Ceramic composite body | |
| JPS638264A (en) | Silicon carbide base composite material | |
| JPS62226862A (en) | Fiber reinforced ceramic | |
| JPH03109269A (en) | Sialon-based ceramics composite material reinforced with carbon fiber | |
| JP2508511B2 (en) | Alumina composite | |
| JP2002275556A (en) | Metal-ceramic composite material | |
| JPH11335172A (en) | Production of porous silicon carbide sintered compact | |
| JPH10167832A (en) | Production of filament reinforced silicon carbide composition material | |
| JPS62216969A (en) | Fiber reinforced si3n4 ceramics and manufacture | |
| JPS5954678A (en) | Manufacture of fiber reinforced silicon nitride sintered body | |
| JPH0314793B2 (en) |