JPH0210794B2 - - Google Patents
Info
- Publication number
- JPH0210794B2 JPH0210794B2 JP56192308A JP19230881A JPH0210794B2 JP H0210794 B2 JPH0210794 B2 JP H0210794B2 JP 56192308 A JP56192308 A JP 56192308A JP 19230881 A JP19230881 A JP 19230881A JP H0210794 B2 JPH0210794 B2 JP H0210794B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- powder
- present
- zirconia
- hip
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000007496 glass forming Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 239000002759 woven fabric Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 241001494479 Pecora Species 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910021431 alpha silicon carbide Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
Landscapes
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Powder Metallurgy (AREA)
Description
【発明の詳細な説明】
本発明はヒツプ処理用被覆材に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dressing for treating hips.
ヒツプ処理法は熱間静水圧法（Hot Isostatic
Pressing）ともよばれるものであつて、セラミツ
ク粉末、耐熱合金粉末などの焼結に用いられるも
のである。 The sheep treatment method is the hot isostatic pressure method.
It is also called "pressing" and is used for sintering ceramic powder, heat-resistant alloy powder, etc.
このヒツプ処理法に用いられる加圧媒体は窒
素、アルゴン等の気体である。そのため被焼結体
（例えば、粉末成形体、半焼結体等）を少なくと
も焼結温度域で密封する必要がある。 The pressurized medium used in this sheep treatment method is a gas such as nitrogen or argon. Therefore, it is necessary to seal the body to be sintered (for example, a powder compact, a semi-sintered body, etc.) at least in the sintering temperature range.
従来このような手段としては、
各種の合金でカンをつくり、その中へ原料粉
末を入れ、真空排気後カンを溶封して密封化す
る。 Conventionally, such a method involves making cans from various alloys, putting raw material powder into the cans, evacuating the cans, and then melting and sealing the cans.
半焼結品の場合には、通常の方法である程度
のかさ密度まで焼結後、焼結体表面にガラス粉
末を塗付し、このガラス塗付物が高温で粘稠性
液体となつた溶融物で密封する、
あるいは、
成形時の気孔が閉気孔化するまで通常の方法
で焼結しておき、次いで密封材なしでヒツプす
る、
等の手段が採用されてきた。 In the case of semi-sintered products, glass powder is applied to the surface of the sintered product after sintering to a certain bulk density using the usual method, and this glass coating becomes a viscous liquid at high temperature. Methods have been adopted, such as sealing the molded material with a mold, or sintering it in a conventional manner until the pores are closed during molding, and then packing the molded material without a sealant.
しかしながらこれらの方法では複雑な形状のも
のを処理することが困難である。Si3N4等の難焼
結性の粉末を原料とした場合には適用しにくい等
の問題がある。 However, with these methods, it is difficult to process objects with complex shapes. There are problems such as difficulty in applying it when using a powder that is difficult to sinter, such as Si 3 N 4 , as a raw material.
本発明はこのような従来技術の問題点を解消す
べくなされたものであつて、その目的とするとこ
ろは、形状の複雑なもの、あるいは難焼結性原料
を用いたものでも容易にヒツプ処理して焼結せし
めることが可能なヒツプ処理用被覆材を提供する
にある。 The present invention has been made in order to solve the problems of the prior art, and its purpose is to easily process the shrapnel even if the shape is complicated or the material is difficult to sinter. An object of the present invention is to provide a covering material for hip treatment that can be sintered.
本発明は、セラミツク繊維とガラス形成物質と
から構成された布状のヒツプ処理用被覆材、によ
つてこの目的を達成するものである。 The present invention achieves this objective by means of a cloth-like sheep treatment dressing comprised of ceramic fibers and glass-forming materials.
本発明において用いられるセラミツク繊維とし
ては、例えばジルコニア（ZrO2）繊維、アルミ
ナ（Al2O3）繊維、溶融石英繊維、高珪酸繊維、
炭化珪素繊維等が採用可能である。 Ceramic fibers used in the present invention include, for example, zirconia (ZrO 2 ) fibers, alumina (Al 2 O 3 ) fibers, fused silica fibers, high silicate fibers,
Silicon carbide fiber or the like can be used.
またガラス形成物質としては、珪酸ソーダ系、
ホウ珪酸系等各種の所謂ガラスの他、高温状態で
ガラス状となるものも採用可能である。 Glass-forming substances include sodium silicate,
In addition to various so-called glasses such as borosilicate-based glasses, it is also possible to use materials that become glass-like at high temperatures.
本発明の好ましい一実施態様としては、ジルコ
ニア質織布のメツシユ間隙に珪酸ソーダガラス粉
末が充填されてなるヒツプ処理用被覆材がある。
この被覆材は、珪酸ソーダ系ガラスの粉末を水等
の液体中に分散させ、次いでこの分散液をジルコ
ニア質織布に吹き付け、該織布のメツシユ間隙に
充填する等の方法によつて製造することができ
る。このような珪酸ソーダガラスとしては例えば
SiO2とNa2Oとのモル比が１〜２のものが好適に
採用される。また上記分散液吹き付けに際してジ
ルコニア質織布を加熱しておいても良い。 A preferred embodiment of the present invention is a sheath treatment covering material in which the mesh gaps of a zirconia woven fabric are filled with soda silicate glass powder.
This coating material is manufactured by a method such as dispersing sodium silicate glass powder in a liquid such as water, then spraying this dispersion onto a zirconia woven fabric, and filling the gaps between the meshes of the woven fabric. be able to. Examples of such soda silicate glass include
A material having a molar ratio of SiO 2 and Na 2 O of 1 to 2 is preferably employed. Further, the zirconia woven fabric may be heated before spraying the dispersion.
本発明の好ましい他の実施態様としては、ジル
コニア等のセラミツク繊維とガラス繊維とから織
製された布状のヒツプ処理用被覆材がある。 Another preferred embodiment of the present invention is a cloth-like covering for hip treatment woven from ceramic fibers such as zirconia and glass fibers.
本発明の被覆材を用いてヒツプ処理を行うに
は、原料粉末を成形し、次いで所望により軽度に
焼結せしめ、次いで該成形体を本発明の被覆材で
覆い、ヒツプ装置によつて処理する方法、あるい
は、部品Ａに部品Ｂをその接合面に粉末を介在せ
しめてつき合せ、これらを本発明被覆材で囲繞し
た後、ヒツプ装置によつて処理する方法、等が採
用可能である。 In order to perform a hip treatment using the coating material of the present invention, the raw material powder is shaped, and if desired, it is lightly sintered, and then the molded body is covered with the coating material of the present invention and processed by a hip device. Alternatively, a method may be adopted in which component A and component B are butted together with powder interposed between their joining surfaces, and after these are surrounded with the coating material of the present invention, they are treated using a hip device.
実施例 １
りん酸肥料工業副産シリカ200ｇに炭酸ソーダ
（試薬特級）を166ｇ、240ｇ、332ｇを湿式
混合し、乾燥後、白金坩堝中で1200℃に加熱し
た。清澄後これを水中に投じて冷却固化させ、固
化物を1μm以下に粉砕した。平均粒径は0.3μmで
あつた。この３種類の粉砕物を各々水中に18重量
％分散させた。この分散液を、180℃に加熱され
たジルコニア質織布（商品名zircar）にくり返し
吹きつけた。分散液中の水分は直ちに蒸発し、メ
ツシユ間隙間に珪酸ソーダガラス粉末が充填され
たヒツプ処理用被覆材が得られた。Example 1 166 g, 240 g, and 332 g of soda carbonate (reagent grade) were wet mixed with 200 g of silica by-product from the phosphate fertilizer industry, and after drying, the mixture was heated to 1200° C. in a platinum crucible. After clarification, it was poured into water to cool and solidify, and the solidified product was ground to 1 μm or less. The average particle size was 0.3 μm. Each of these three types of pulverized products was dispersed in water in an amount of 18% by weight. This dispersion was repeatedly sprayed onto a zirconia woven fabric (trade name: zircar) heated to 180°C. The water in the dispersion liquid immediately evaporated, and a covering material for treating a hip was obtained in which the gaps between the meshes were filled with sodium silicate glass powder.
焼結助剤として６重量％のY2O3と、８重量％
のAl2O3を含んだSi3N4粉末から成形されたター
ビンブレード材を、この被覆材で覆つた。 6% by weight Y 2 O 3 and 8% by weight as sintering aids
A turbine blade material formed from Si 3 N 4 powder containing Al 2 O 3 was covered with this coating material.
これをヒツプ装置の炉心に置き、まず真空中で
1200℃まで加熱し、珪酸ソーダガラス粉末の溶融
によつて生じた液相で、ジルコニア質織布のメツ
シユを密閉した。次いで窒素ガスを導入して3000
気圧にまで加圧した。昇温速度25℃／minで加熱
し、1750℃に４時間保持した。その後ヒツプ装置
より試料を取り出し、試料表面に残留していたジ
ルコニア質織布の形骸とガラス質物質を除去し、
製品を得た。この製品の焼結性は極めて良好であ
つた。 This was placed in the core of the hip device, and first it was placed in a vacuum.
It was heated to 1200°C, and the mesh of zirconia woven fabric was sealed with the liquid phase generated by melting the sodium silicate glass powder. Next, nitrogen gas was introduced and the temperature was increased to 3000
It was pressurized to atmospheric pressure. It was heated at a temperature increase rate of 25°C/min and held at 1750°C for 4 hours. After that, the sample was taken out from the hip device, and the remains of the zirconia fabric and the glassy substance remaining on the sample surface were removed.
Got the product. The sinterability of this product was extremely good.
実施例 ２
タービンブレードの材質をSiC、AlN、並びに
サイアロンに夫々変えたものについて、実施例１
と同様にしてヒツプ処理した。Example 2 Example 1 shows that the materials of the turbine blades were changed to SiC, AlN, and Sialon.
The sheep were treated in the same manner as above.
その結果焼結性はいずれも極めて良好であつ
た。 As a result, the sinterability was extremely good in all cases.
実施例 ３
直径50mm、厚さ30mm、かさ密度3.01ｇ／cm3の
SiC製円盤２枚の間に平均粒径0.15μmのα−SiC
（焼結助剤として３重量％のAl、１重量％のＢ及
び１重量％のＣを含む）の粉末を100μm厚で均一
に狭み、上記実施例１の被覆材（但しガラス組成
はのものである。）で覆つた。これをヒツプ装
置を用いて、アルゴン1500気圧、昇温速度10℃／
minで加熱し、1950℃に１時間保持した。その結
果両円盤は一様に接合していた。Example 3 Diameter 50 mm, thickness 30 mm, bulk density 3.01 g/cm 3
α-SiC with an average particle size of 0.15μm between two SiC disks
(containing 3% by weight Al, 1% by weight B, and 1% by weight C as sintering aids) powder was uniformly narrowed to a thickness of 100 μm, and the coating material of Example 1 was prepared (however, the glass composition was the same). ). This was heated using a hip device under argon pressure of 1500 atm and a temperature increase rate of 10℃/
The mixture was heated at 1950° C. for 1 hour. As a result, both disks were uniformly joined.
実施例 ４
Si3N4製ブレードとハブの半焼結品のブレード
をハブに差し込み、ブレードとハブの間にSi3N4
−SiC−Al−Ｂ−Ｃ系の接合剤を注入した。これ
を上記実施例１の被覆材（但しガラス組成はの
もの）で覆つた。これを窒素2000気圧、昇温速度
15℃／minで1800℃、２時間ヒツプ処理した。そ
の結果ハブとブレードが緊結されたロータが得ら
れた。Example 4 A Si 3 N 4 blade and a semi-sintered hub blade are inserted into the hub, and Si 3 N 4 is inserted between the blade and the hub.
-SiC-Al-B-C type bonding agent was injected. This was covered with the covering material of Example 1 (but with a glass composition). This was heated to 2000 atmospheres of nitrogen and the temperature was increased at a rate of
The sheep were treated at 1800°C for 2 hours at 15°C/min. As a result, a rotor in which the hub and blades were tightly connected was obtained.
以上の通り、本発明のヒツプ処理用被覆材によ
れば、形状の複雑なもの、あるいは難焼結性のも
のでも容易にヒツプ処理を行うことができる。 As described above, according to the covering material for hip treatment of the present invention, it is possible to easily perform hip treatment even on items with complicated shapes or those that are difficult to sinter.
Claims (1)
された布状のヒツプ処理用被覆材。 ２ 前記ガラス形成物質は、ガラス粉末であるこ
とを特徴とする特許請求の範囲第１項記載のヒツ
プ処理用被覆材。 ３ 前記ガラス形成物質は、ガラス繊維であるこ
とを特徴とする特許請求の範囲第１項記載のヒツ
プ処理用被覆材。[Scope of Claims] 1. A cloth-like covering material for treating hips composed of ceramic fibers and a glass-forming substance. 2. The covering material for hip treatment according to claim 1, wherein the glass-forming substance is glass powder. 3. The covering material for hip treatment according to claim 1, wherein the glass-forming substance is glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56192308A JPS5895664A (en) | 1981-11-30 | 1981-11-30 | Coating material for hip treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56192308A JPS5895664A (en) | 1981-11-30 | 1981-11-30 | Coating material for hip treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5895664A JPS5895664A (en) | 1983-06-07 |
| JPH0210794B2 true JPH0210794B2 (en) | 1990-03-09 |
Family
ID=16289106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56192308A Granted JPS5895664A (en) | 1981-11-30 | 1981-11-30 | Coating material for hip treatment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5895664A (en) |
-
1981
- 1981-11-30 JP JP56192308A patent/JPS5895664A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5895664A (en) | 1983-06-07 |
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