JPS61146735A - Glass/ceramic manufacturing method - Google Patents
Glass/ceramic manufacturing methodInfo
- Publication number
- JPS61146735A JPS61146735A JP26625784A JP26625784A JPS61146735A JP S61146735 A JPS61146735 A JP S61146735A JP 26625784 A JP26625784 A JP 26625784A JP 26625784 A JP26625784 A JP 26625784A JP S61146735 A JPS61146735 A JP S61146735A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- particles
- silicon carbide
- compacted
- carbide particles
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/04—Particles; Flakes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (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】
使用分野
本発明は、ガラスにセラミック粒子を均一に分散させて
強度を高めたガラス・セラミックの製法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Use The present invention relates to a process for producing glass-ceramics in which ceramic particles are uniformly dispersed in the glass to increase its strength.
従来技術
特開昭５９−１１７００号は低融点ガラスにアルミナ粒
子を分散させた材料が熱伝導率が高く曲げ強度が２００
ｋｇ ／−であることを開示する。Conventional technology JP-A-59-11700 discloses that a material in which alumina particles are dispersed in low-melting glass has high thermal conductivity and bending strength of 200.
kg/-.
問題点
アルミナは、ヤング率が４ Ｘ １０ ＆ｋｇ／ｄであ
り、これよりヤング率の高いセラミック粒子をガラスに
分散させれば、強度を高める効果がさらに大きいことが
期待される。ｒＲ化けい素はヤング率が６ Ｘ １０’
ｋｇ／−であり、この目的に適しているが、ガラスとの
ぬれ性が悪いので、ガラスをはじき、炭化けい素粒子が
互いに凝集してガラス中に均一に分散しない欠点がある
。Problem: Alumina has a Young's modulus of 4×10 &kg/d, and if ceramic particles having a higher Young's modulus than this are dispersed in glass, it is expected that the effect of increasing the strength will be even greater. rR silicon has a Young's modulus of 6 x 10'
kg/- and is suitable for this purpose, but has the disadvantage that it has poor wettability with glass, so it repels the glass, and the silicon carbide particles aggregate with each other and are not uniformly dispersed in the glass.
解決手段
上記欠点は、平均粒形１０８ｍ以下の炭化けい素粒子を
酸化性雰囲気中で温度１２００℃以上に加熱して表面に
酸化物膜を形成した後、この粒子とガラス粉末とを混合
して圧粉した成形体をガラス粉末の軟化点以上に加熱し
て焼成体とすることを特徴とする、ガラスマトリックス
に炭化けい素粒子を均一に分散させたガラス・セラミッ
クの製法によって解決することができる。Solution The above disadvantages can be solved by heating silicon carbide particles with an average particle size of 108 m or less to a temperature of 1200°C or higher in an oxidizing atmosphere to form an oxide film on the surface, and then mixing the particles with glass powder. This problem can be solved by a glass-ceramic manufacturing method in which silicon carbide particles are uniformly dispersed in a glass matrix, which is characterized by heating a compacted compact to a temperature above the softening point of the glass powder to produce a fired product. .
このガラスは軟化点が１２００℃以下のほうけい酸ガラ
ス、リチウムガラスまたはアルミノけい酸ガラスを使用
することが便宜である。As this glass, it is convenient to use borosilicate glass, lithium glass, or aluminosilicate glass having a softening point of 1200° C. or less.
また圧粉した成形体の焼成は、常圧焼成した後に、この
常圧焼成温度より低い温度で熱間静水加圧して緻密化す
ることが有利である。Furthermore, it is advantageous for the compacted compact to be densified by hot isostatic pressing at a temperature lower than the normal pressure sintering temperature after normal pressure sintering.
実施例
平均粒径１μｍ１純度９８％の炭化けい素粒子をアルミ
するつぼに入れ、大気中で１２００℃に３時間加熱した
。この粒子の表面が白色に変わり二酸化けい素薄膜層が
形成された。Example Silicon carbide particles having an average particle size of 1 μm and a purity of 98% were placed in an aluminum crucible and heated to 1200° C. for 3 hours in the atmosphere. The surface of the particles turned white and a silicon dioxide thin film layer was formed.
この酸化粒子５００ｇを平均粒径５μｍのほうけい酸ガ
ラス５００ｇ、 Ｐ Ｖ Ｂ系樹脂バインダ５ｇ、溶剤
アセトン１５０ｇとともにボールミルで混練し、溶剤を
追出しに後、プレス成形して焼成用の成形体とした。500 g of these oxidized particles were kneaded in a ball mill with 500 g of borosilicate glass with an average particle size of 5 μm, 5 g of a P V B resin binder, and 150 g of acetone as a solvent, and after driving off the solvent, press molding was performed to obtain a molded body for firing. .
この成形体を大気中で１０００℃に２時間焼成し、さら
に１０００ｋｇ／ｃｄ加圧下で９５０℃に３０分間加熱
して、ＨＩＰ処理した。This molded body was fired at 1000° C. for 2 hours in the air, and then heated at 950° C. for 30 minutes under a pressure of 1000 kg/cd to perform HIP treatment.
こうして得られたガラス・セラミックは曲げ強度が３０
００ ｋｇ ／ ｃｄであり、はうけい酸ガラスの曲げ
強度７００ｋｇ／ａＪより大幅に向上した。また熱伝導
率ははうけい酸ガラスの３Ｗ／儀、により１０Ｗ／ｓ＋
、ｋに向上した。The glass/ceramic thus obtained has a bending strength of 30
00 kg/cd, which is significantly higher than the bending strength of silicate glass, which is 700 kg/aJ. In addition, the thermal conductivity is 10W/s+ due to the 3W/meter of silicate glass.
, improved to k.
発明の効果
本発明の方法によれば、通常では均一に分散しない炭化
けい素粒子をガラスマトリックスに均一に分散させるこ
とができ、得られたガラス・セラミックは機械的強度お
よび熱伝導率が大きい利点を有する。Effects of the Invention According to the method of the present invention, silicon carbide particles, which are normally not uniformly dispersed, can be uniformly dispersed in a glass matrix, and the obtained glass/ceramic has the advantage of high mechanical strength and thermal conductivity. has.
Claims (1)
囲気中で温度１２００℃以上に加熱して表面に酸化物膜
を形成した後に、この粒子とガラス粉末とを混合して圧
粉した成形体をガラス粉末の軟化点以上に加熱して焼成
体とすることを特徴とする、ガラスマトリックスに炭化
けい素粒子を均一に分散させたガラス・セラミックの製
法。 ２、ガラスは軟化点が１２００℃以下のほうけい酸ガラ
ス、リチウムガラスまたはアルミノけい酸ガラスである
、特許請求の範囲第１項記載の製法。 ３、圧粉した成形体の焼成において、常圧で焼成した後
に、この常圧焼成温度より低い温度で熱間静水加圧（Ｈ
ＩＰ処理）して緻密化する、特許請求の範囲第１または
２項記載の製法。[Claims] 1. After heating silicon carbide particles with an average particle size of 10 μm or less to a temperature of 1200° C. or higher in an oxidizing atmosphere to form an oxide film on the surface, the particles are mixed with glass powder. A method for producing glass/ceramics in which silicon carbide particles are uniformly dispersed in a glass matrix, which is characterized by heating the compacted compacted body to a temperature above the softening point of the glass powder to produce a fired body. 2. The manufacturing method according to claim 1, wherein the glass is borosilicate glass, lithium glass, or aluminosilicate glass having a softening point of 1200° C. or less. 3. In firing the compacted compact, after firing at normal pressure, hot isostatic pressing (H
3. The manufacturing method according to claim 1 or 2, wherein the method is densified by IP treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26625784A JPS61146735A (en) | 1984-12-19 | 1984-12-19 | Glass/ceramic manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26625784A JPS61146735A (en) | 1984-12-19 | 1984-12-19 | Glass/ceramic manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61146735A true JPS61146735A (en) | 1986-07-04 |
Family
ID=17428462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26625784A Pending JPS61146735A (en) | 1984-12-19 | 1984-12-19 | Glass/ceramic manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61146735A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63210043A (en) * | 1987-02-24 | 1988-08-31 | Shinko Electric Ind Co Ltd | High thermal conductivity glass-ceramic composite |
| EP0343301A2 (en) * | 1988-05-23 | 1989-11-29 | Corning Glass Works | Hybrid ceramic matrix composite articles comprising particulate additives and method |
| FR2968299A1 (en) * | 2010-12-02 | 2012-06-08 | Commissariat Energie Atomique | PROCESS FOR THE PREPARATION OF A GLASS-SILICON CARBIDE COMPOSITE MATERIAL |
| JP2012111665A (en) * | 2010-11-25 | 2012-06-14 | Tokyo Univ Of Science | Heat conductive glass, and method for manufacturing the same |
| CN108503230A (en) * | 2018-04-24 | 2018-09-07 | 佛山市奥耶克思机械设备有限公司 | A kind of package substrate composite material and preparation method |
| CN109320074A (en) * | 2018-10-31 | 2019-02-12 | 濮阳市鲁蒙玻璃制品有限公司 | A kind of neutral boron silica glass material and preparation method thereof |
-
1984
- 1984-12-19 JP JP26625784A patent/JPS61146735A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63210043A (en) * | 1987-02-24 | 1988-08-31 | Shinko Electric Ind Co Ltd | High thermal conductivity glass-ceramic composite |
| EP0343301A2 (en) * | 1988-05-23 | 1989-11-29 | Corning Glass Works | Hybrid ceramic matrix composite articles comprising particulate additives and method |
| JP2012111665A (en) * | 2010-11-25 | 2012-06-14 | Tokyo Univ Of Science | Heat conductive glass, and method for manufacturing the same |
| FR2968299A1 (en) * | 2010-12-02 | 2012-06-08 | Commissariat Energie Atomique | PROCESS FOR THE PREPARATION OF A GLASS-SILICON CARBIDE COMPOSITE MATERIAL |
| WO2012072700A3 (en) * | 2010-12-02 | 2012-08-16 | Commissariat à l'énergie atomique et aux énergies alternatives | Method for preparing a glass/silicon-carbide composite material |
| CN108503230A (en) * | 2018-04-24 | 2018-09-07 | 佛山市奥耶克思机械设备有限公司 | A kind of package substrate composite material and preparation method |
| CN109320074A (en) * | 2018-10-31 | 2019-02-12 | 濮阳市鲁蒙玻璃制品有限公司 | A kind of neutral boron silica glass material and preparation method thereof |
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