JPS61222702A - 複合材料用原料の製造方法 - Google Patents

複合材料用原料の製造方法

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Publication number
JPS61222702A
JPS61222702A JP60065867A JP6586785A JPS61222702A JP S61222702 A JPS61222702 A JP S61222702A JP 60065867 A JP60065867 A JP 60065867A JP 6586785 A JP6586785 A JP 6586785A JP S61222702 A JPS61222702 A JP S61222702A
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Japan
Prior art keywords
powder
whiskers
powders
materials
manufacture
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Pending
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JP60065867A
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English (en)
Inventor
忠彦 渡辺
一久 菖蒲
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National Institute of Advanced Industrial Science and Technology AIST
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Agency of Industrial Science and Technology
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Priority to JP60065867A priority Critical patent/JPS61222702A/ja
Priority to US06/843,600 priority patent/US4725456A/en
Publication of JPS61222702A publication Critical patent/JPS61222702A/ja
Pending legal-status Critical Current

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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】 〈産業上の利用分野〉 本発明は複合金属材料あるいは複合セラミック材料の製
造に必要な、微細な異種材料同士、あるいは微細粉末と
ウィスカー状材料が均質に混合されている原料の製造方
法に関するものである。
〈従来の技術〉 ２種以上の異種材料から成る複合材料を造るには、それ
等異種材料の粉末同士を機械的に混合する事により混合
体を作成している。この方法は複合材料の素材として繊
維体あるいはウィスカーが含まれている場合にも同様で
ある。
〈発明が解決しようとする問題点） 上述の如き異種原料を機械的に混合する方法にあっては
次の如き諸問題があっｔコ。
即ち、混合しようとする異種原料が近年製造が可能とな
った直径０．１μｍ以下の様に非常に微細な粒子の場合
には該微細粒子同士の凝集力が作用し合い混合され難く
均質に混合するには非常に長時間を要する。ス繊維体や
ウィスカーを用いる場合には、それ等が互いにからみ合
う様な現象もあ咋、均質混合を更に困難なものとしてい
た。
従って得られる複合材料も部分的に稠度が１罪なる、所
謂強度のパ、ラッキがあるものしか得られず、真の意味
で微細粉末あるいは繊維やウィスカーを利用してい号と
は芦い難かった。
又−＋−構的に超卑粉末や超微細ウィスカーは酸化等の
化学変化を起こし易いので、その保存や混合を真字中又
は不活性ガス中等でしなければならない等の、取扱上の
不便さもあった。
く問題点を解決する為の手段〉 本発明では上述の諸問題を解決する為にＣＶＤ装置を利
用し、均質な混合体を得る方法を提供せんとするもので
あり、その要旨は粉体若しくはその圧縮体を、ＣＶＤ装
置内に装入し、該粉体若しくはその圧縮体中に、ＣＶＤ
用ガスを通過させることにより粉体間隙内にウィスカー
若しくは微粒子体を生起せしめ、又は粉体表面に被膜層
を生起せしめることを特徴とする複＆材料用原料の製造
方法である。
ここで用いる粉体若しくはその圧縮体（圧粉体）の素材
やＣＶＤ用ガスの組成、並びにＣＶＤ装置内で発生させ
る物質及びその形状（ウィスカー、微粉末あるいは被膜
層）等を決める為に用いる触媒をどの様なものとするか
等については特に限定される事なく、従来公知の組合わ
せを自由に用いる事が出来る。
〈実施例並びに作用〉 以下本発明をその実施例に基づき詳述する。
災ｌ五上 前処理としてＰｄＣＪ液に浸した後乾燥させたＴ　ｉ　
８ｇ粉末により通気性のある圧粉体（１）を作成し、そ
の圧粉体（１）を図面に示す様な反応槽（２）及びヒー
ター（３）等から成るＣＶＤ装置内へ配置し、反応槽（
２）内を１１５０℃に保った状態で、ＴｉＣＪ４．　Ｎ
、２及びＩ（２混合ガスを流した。
なお図中（４）は試料ホルダー兼ガス通路溝を示す。
ＴｉＣｊ４．　Ｎ２．及びＨ２ガスの割合をそれぞれ２
％。
４９％及び４９％とし、その混合ガスの流量を１００１
００ｃｅ７１．とじて、２時間保持した後、圧粉体を取
出して調べた結果、粉体の間隙内にＴｉＮウィスカーが
びっしりと、かつ均一な状態で詰まったＴｉＢ２とＴｉ
Ｎの混合体が得られた。
この場合に於ける反応は、 Ｔ　ｉ　Ｃ１４＋１／　２Ｎｚ　＋２Ｈ２→ＴｉＮ＋４
１（Ｃｊであり、生成されるＴｉＮは、ＴｉＢ２の前処
理により反応系内に持込まれたＰｄが触媒となりウィス
カー状を呈したのであり、ＴｉＮウィスカーを発生させ
る触−としてはＰｄの他に旧等もある。
ｊ口虹貴［４ ＴｉＢ２粉末の通気性のある圧粉体を、上記実施例１と
同様の装置内で、混合ガス組成その他の条件を実施例１
と同様にして反応させた結果、ＴｉＢ２粉体の間隙内に
ＴｉＮ微粒子がびっしりと、かつ均一な状態で詰まった
ＴｉＢ２とＴｉＮの混合体が得られた。
演」１例」ユ ＳｉＣ粉末の通気性のある圧粉体を上記実施例１と同様
の装置内で、混合ガス組成その他の条件を実施例１と同
様にして反応させた結果、ＳｉＣ粉末の表面に均一な厚
さのＴｉＮ層がコーティングされたＳｉＣとＴｉＮの混
合体が得られた。
〈発明の効果〉 本発明によれば、微細な粉末同士あるいは微細粉末とウ
ィスカー等の均質な混合体を容易に造る事が出来、その
場合の材料は各種類に選定出来、又ＣＶＤ反応により生
起させる物質の形態も微細粒子、ウィスカーあるいはコ
ーティング層と任意に選ぶ事が出来るので、本発明方法
ことよって得られる混合体を原料として造られる複合材
料は微細粒子やウィスカーの特性を十分に活かした物と
なるという効果がある。
【図面の簡単な説明】
図面は本轡明で用いるＣＶＤ装置の一例を示す説明図。 図中、　　　　（１ン：圧粉体 （２）：反応槽 （３）：ヒーター

Claims (1)

    【特許請求の範囲】
  1. １、粉体若しくはその圧縮体を、気相反応（ＣＶＤ）装
    置内に装入し、該粉体若しくはその圧縮体中に、ＣＶＤ
    用ガスを通過させることにより粉体間隙内にウィスカー
    若しくは微粒子体を生起せしめ、又は粉体表面に被膜層
    を生起せしめることを特徴とする複合材料用原料の製造
    方法。
JP60065867A 1985-03-28 1985-03-28 複合材料用原料の製造方法 Pending JPS61222702A (ja)

Priority Applications (2)

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JP60065867A JPS61222702A (ja) 1985-03-28 1985-03-28 複合材料用原料の製造方法
US06/843,600 US4725456A (en) 1985-03-28 1986-03-25 Method for preparing mixture to be used for production of composite material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60065867A JPS61222702A (ja) 1985-03-28 1985-03-28 複合材料用原料の製造方法

Publications (1)

Publication Number Publication Date
JPS61222702A true JPS61222702A (ja) 1986-10-03

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Country Link
US (1) US4725456A (ja)
JP (1) JPS61222702A (ja)

Cited By (1)

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JPH02116682A (ja) * 1988-10-25 1990-05-01 Ube Ind Ltd β型窒化珪素ウイスカー複合材料及びその製法

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EP0331160B1 (en) * 1988-03-04 1994-09-28 Hitachi, Ltd. Functional ceramic shaped article and process for producing the same
JP2644876B2 (ja) * 1988-03-04 1997-08-25 株式会社日立製作所 機能性セラミックス物品の製造方法
WO1990012769A2 (en) * 1989-04-27 1990-11-01 Battelle Memorial Institute Heat-sink structures with increased heat dissipation capacity and methods for the production of such structures
JP3452617B2 (ja) * 1993-12-10 2003-09-29 真空冶金株式会社 ガスデポジション装置

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IT1030934B (it) * 1974-12-20 1979-04-10 Sir Soc Italiana Resine Spa Procedimento per il post trattamento di pigmenti di biossido di titanio
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02116682A (ja) * 1988-10-25 1990-05-01 Ube Ind Ltd β型窒化珪素ウイスカー複合材料及びその製法

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