JPS62119175A - 炭化珪素繊維強化スピネル複合焼結体の製造法 - Google Patents

炭化珪素繊維強化スピネル複合焼結体の製造法

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Publication number
JPS62119175A
JPS62119175A JP60258333A JP25833385A JPS62119175A JP S62119175 A JPS62119175 A JP S62119175A JP 60258333 A JP60258333 A JP 60258333A JP 25833385 A JP25833385 A JP 25833385A JP S62119175 A JPS62119175 A JP S62119175A
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JP
Japan
Prior art keywords
sintered body
silicon carbide
composite sintered
spinel
carbide fiber
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
Application number
JP60258333A
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English (en)
Inventor
中野　喜久男
宏 林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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Filing date
Publication date
Application filed by Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP60258333A priority Critical patent/JPS62119175A/ja
Priority to US06/925,560 priority patent/US4710435A/en
Publication of JPS62119175A publication Critical patent/JPS62119175A/ja
Pending legal-status Critical Current

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  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Oxide Ceramics (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。

Description

【発明の詳細な説明】 ａ　産業上の利用分野 この発明は耐薬品性耐ガス性パルプ、コック、容器、バ
イブ及び高温構造材料としてのバーナー、炉内耐火物部
品、炉芯管、線引ダイス等に好適に使用される炭化珪素
繊維強化スピネル複合焼結体の製造法に関し、特に酸化
性雰囲気で安定な材料であシ、高温では成る程度塑性を
示し、変形に対して柔軟であシ、且つ高強度である炭化
珪素繊維強化スピネル複合焼結体の製造法に関するもの
である。
ｂ　従来の技術 周知のようにセラミックスは耐熱性、耐酸化性にすぐれ
、高温での強度も大きいため構造材料として注目されて
いるが、最近は繊維を導入して複合化することによシ高
強度化、高靭性化する研究が行われている。繊維複合化
には連続繊維による場合とウィスカーのような短繊維に
よる場合とがある。短繊維を用いる場合、複雑形状に対
する成形性の容易さ及び通常のセラミックス製造技術が
適用できる利点がある。今迄にＳｉＯウィスカーを添加
したＳ　ｉ　３Ｎ４焼結体（玉利信幸、小倉透。
木下　実、樋端保夫：大阪工業技術試験所季報。
凹（１９８２）１２９．）及びＳｉＣウイヌカーを添加
したムライト焼結体〔木村脩七、安田栄−１田辺端博、
中野　端：窯業協会、昭和６０年度講演予稿集Ｐ、６３
７　（１９８５）、）の例が報告されている。
Ｃ発明が解決しようとする問題点 ＳｉＣウィスカーを添加したＳ　ｉ　３Ｎ４焼結体は強
度よりもむしろ高靭性化することが報告されている。
ＳｉＣウィスカーを焼結体に添加したものが強度上昇あ
るいは高靭性化がいつも期待できるとは限らず、ウィス
カーとマトリックスの相互作用によって定まる。例えば
ウィスカーとマトリックスとが強く反応する場合は、そ
の有効性はあまシ期待できない。ＳｉＣ繊維を導入して
複合化することによシ高強度化、高靭性化できるセラミ
ックスを見つけることが望ましい。
ｄ　問題を解決するだめの手段 ウィスカーとマトリックスとが反応しない例としてスピ
ネルを用いると高強度化を行うことができる。
ｅ　　作　　用 本性はヌピネ）ｖ　（ＭｇＯ・Ａ１２Ｏ３）粉末にｌＯ
〜７Ｑｗｔ％のＳｉＣウィスカーを混ぜ全体が均質にな
るように混合した後、非酸化性雰囲気中で成形焼結して
炭化珪素繊維強化スピネル複合焼結体を製造する。
かくして見られた炭化珪素繊維強化スピネル複合焼結体
は、スピネル単味の焼結体に比較して強度増加がみられ
、構造材料として最適である。
ｆ　実施例 スピネル粉末にＳｉＣウィスカーを体積比で２Ｏ％（重
量比で１８．２％）混ぜ、有機溶媒を入れたものを湿式
混合してスラリーを作製する。スラリーを乾燥後軽く粉
砕して原料粉末を作製する。つぎにこの粉末を非酸化性
雰囲気中で１８５０℃、ｌ　ｈｒホットプレスして焼結
させて試料を作製した。
この試料の粉末Ｘ線回折の結果を表１に、化学組成を表
２に示す。
表１　複合焼結体のＸ線回折 Ｓ：スピネル、　Ｃ：暑−８ｉＯ 表２　複合焼結体の化学組成 つぎにこの複合焼結体試料の常温における曲げ試験（３
点曲げ）結果を、スピネル単味の焼結体の場合と比較し
て表３に示す。
表３　複合焼結体及びスピネル単味の 曲げ強度（Ｋｌｉ　／　ｙＵ　） この表にみられるように、ＳｉＣウィスカーを加した複
合焼結体は、スピネル単味に比べて約７８％の強度増加
がみられた。
ｇ　発明の効果 本発明は以上説明したように、従来からあるスピネル単
味の焼結体よシも高強度（約７８％ｕｐ）であり、構造
材料として使用する場合、耐薬品性、耐ガス性パルプ、
コック、容器、パイプ及び高温構造材料としてバーナー
、炉内耐大物部品、炉芯管、線引ダイス等に最適である
。

Claims (1)

    【特許請求の範囲】
  1. 　スピネル（ＭｇＯ・Ａｌ＿２Ｏ＿３）粉末に１０〜７
    ０ｗｔ％の炭化珪素短繊維を混ぜ、全体が均質になるよ
    うに混合した後、非酸化雰囲気中で１４００℃以上の温
    度で、圧力１００ｋｇ／ｃｍ＾２で焼結させ炭化珪素繊
    維強化スピネル複合焼結体を製造することを特徴とする
    製造法。
JP60258333A 1985-11-18 1985-11-18 炭化珪素繊維強化スピネル複合焼結体の製造法 Pending JPS62119175A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60258333A JPS62119175A (ja) 1985-11-18 1985-11-18 炭化珪素繊維強化スピネル複合焼結体の製造法
US06/925,560 US4710435A (en) 1985-11-18 1986-10-31 Method for production of sintered composite having spinel reinforced with short fibers of silicon carbide and sintered composite produced by said method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60258333A JPS62119175A (ja) 1985-11-18 1985-11-18 炭化珪素繊維強化スピネル複合焼結体の製造法

Publications (1)

Publication Number Publication Date
JPS62119175A true JPS62119175A (ja) 1987-05-30

Family

ID=17318785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60258333A Pending JPS62119175A (ja) 1985-11-18 1985-11-18 炭化珪素繊維強化スピネル複合焼結体の製造法

Country Status (2)

Country Link
US (1) US4710435A (ja)
JP (1) JPS62119175A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077243A (en) * 1988-07-02 1991-12-31 Noritake Co., Limited Fiber-reinforced and particle-dispersion reinforced mullite composite material and method of producing the same
JPH0437356U (ja) * 1990-07-20 1992-03-30
US5376599A (en) * 1991-10-11 1994-12-27 Noritake Co., Limited Carbon fiber reinforced silicon nitride based nanocomposite material and method for preparing same
US5808392A (en) * 1994-04-28 1998-09-15 Kabushiki Kaisha Toshiba Permanent magnet type rotating machine
JP2007084399A (ja) * 2005-09-26 2007-04-05 Shinshu Univ 炭素繊維複合スピネルセラミックスおよびその製造方法
JP2009256132A (ja) * 2008-04-16 2009-11-05 Ariake Serako Kk 炭化ケイ素系繊維分散強化複合耐火物成形体

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614321A1 (fr) * 1987-04-27 1988-10-28 Europ Propulsion Cartouche en materiaux composites pour dispositif d'elaboration de monocristaux.
IE73477B1 (en) * 1989-10-26 1997-06-04 Advanced Materials Enterprise Dense siC ceramic products
JPH05270943A (ja) * 1992-03-27 1993-10-19 Nippon Soken Inc 繊維強化多孔質体

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102861A (ja) * 1982-12-03 1984-06-14 工業技術院長 炭化ケイ素複合酸化物焼結セラミクス

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