JP3081256B2 - Alloy for metallizing ceramics and metallizing method - Google Patents
Alloy for metallizing ceramics and metallizing methodInfo
- Publication number
- JP3081256B2 JP3081256B2 JP02418863A JP41886390A JP3081256B2 JP 3081256 B2 JP3081256 B2 JP 3081256B2 JP 02418863 A JP02418863 A JP 02418863A JP 41886390 A JP41886390 A JP 41886390A JP 3081256 B2 JP3081256 B2 JP 3081256B2
- Authority
- JP
- Japan
- Prior art keywords
- metallizing
- ceramics
- alloy
- aluminum
- mass
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/515—Other specific metals
- C04B41/5155—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/88—Metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00862—Uses not provided for elsewhere in C04B2111/00 for nuclear applications, e.g. ray-absorbing concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Coating By Spraying Or Casting (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、付着強度(接合強度)に
優れたセラミックスのメタライズ用アルミニュウム合金
及びセラミックスのメタライズ方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aluminum alloy for metallizing ceramics having excellent adhesion strength (joining strength) and a method for metallizing ceramics.
【０００２】[0002]
【従来の技術】従来、セラミックス面にアルミニュウム
合金をメタライズするためには、（１）セラミックス表
面を高融点金属法で金属化し、次いで、ニッケルを付着
した後アルミニュウム合金をロウ付けする方法、（２）
セラミックス表面を銅を含む活性金属で金属化し、次い
で、アルミニュウム合金をロウ付けする方法及び（３）
セラミックス表面をパラジウム等で活性化した後銅また
はニッケルなどで金属化し、次いで、アルミニュウム合
金をロウ付けする方法が知られている。2. Description of the Related Art Conventionally, in order to metallize an aluminum alloy on a ceramic surface, (1) a method of metallizing the ceramic surface by a refractory metal method, then attaching nickel and then brazing the aluminum alloy; )
(3) a method of metallizing a ceramic surface with an active metal containing copper and then brazing an aluminum alloy;
A method is known in which a ceramic surface is activated with palladium or the like, metallized with copper or nickel, and then an aluminum alloy is brazed.
【０００３】[0003]
【発明が解決しょうとする課題】しかし、従来の上記
（１）〜（３）の方法では、セラミックスとアルミニュ
ウム合金との中間層として、磁性材料であるニッケル又
は酸化に対し腐食しやすい銅を介在させるため、磁場が
かかる場所では使用できない、とか、高温下又は酸性雰
囲気等の場所では使用できない、といった制限が存在す
る。However, in the above-mentioned methods (1) to (3), the intermediate layer between the ceramics and the aluminum alloy includes nickel which is a magnetic material or copper which is susceptible to oxidation. Therefore, there is a limitation that the device cannot be used in a place where a magnetic field is applied, or cannot be used in a place under a high temperature or an acidic atmosphere.
【０００４】そこで、磁場がかかる場所又は酸化雰囲気
中でも使用できるアルミニュウムメタライズ法の開発
が、今日強く要望されている。本発明は、上述した従来
の問題点に着目してなされたものであって、上記要望に
沿うセラミックスのメタライズ用アルミニュウム合金及
びセラミックスのメタライズ法を提供するにあり、詳細
には、セラミックス表面に直接アルミニュウム合金をメ
タライズするメタライズ用合金の組成と接合方法を提供
することを目的とする。Therefore, there is a strong demand today for the development of an aluminum metallization method that can be used in a place where a magnetic field is applied or in an oxidizing atmosphere. The present invention has been made in view of the conventional problems described above, and has been made to provide an aluminum alloy for metallizing ceramics and a metallizing method for ceramics that meet the above-mentioned demands. An object of the present invention is to provide a composition of a metallizing alloy for metallizing an aluminum alloy and a joining method.
【０００５】[0005]
【課題を解決するための手段】そして、本発明は、上記
目的を達成するため、アルミニュウム76.0〜83.2質量
％、シリコン11.0〜12.0質量％及びチタン4.8〜13.0質
量％の組成から成るメタライズ用合金を提供するもので
あり、また、このメタライズ用合金をセラミックス表面
にプラズマ溶射し、セラミックス表面をメタライズする
セラミックスのメタライズ方法を提供するものである。Means for Solving the Problems The present invention provides the above
To achieve the purpose, aluminum 76.0 ~ 83.2mass
%, Silicon 11.0-12.0mass% And titanium 4.8-13.0quality
amount% Metallizing alloy.
Also, this metallizing alloy is
Metallizing the ceramic surface by plasma spraying
An object of the present invention is to provide a method for metallizing ceramics.
【０００６】本発明で使用できるセラミックスとして
は、アルミナ、窒化珪素、サイアロン及び炭化珪素が挙
げられる。また、これらのセラミックスは、通常の方法
において焼成した焼結体が使用でき、その形状等によっ
て限定されるものではない。The ceramics usable in the present invention include alumina, silicon nitride, sialon and silicon carbide. In addition, these ceramics can be used as a sintered body fired by an ordinary method, and are not limited by the shape and the like.
【０００７】質量でアルミニュウム87.4％、シリコン1
2.6％の合金は、共晶であり、ロウ付け用アルミニュウ
ム合金として知られているが、これは、通常のロウ付け
雰囲気である真空状態や窒素状態において、金属には濡
れるが、セラミックスには濡れず、そのため、セラミッ
クス表面のメタライズ化には利用できないものである。Aluminum 87.4% by mass , silicon 1
2.6% of alloys are eutectic and are known as aluminum alloys for brazing. They are wetted by metals, but not by ceramics in a normal brazing atmosphere such as vacuum or nitrogen. Therefore, it cannot be used for metallizing the ceramic surface.
【０００８】本発明者等は、プラズマ溶射法を適用し、
上記アルミニュウム合金を溶射することにより、セラミ
ックス表面にアルミニュウム合金をメタライズすること
ができる、との知見を得た。更に、アルミニュウム87.4
％、シリコン12.6％の合金に、チタンを外割質量で5％
〜15％加えることにより、実用上使用できる、付着強度
(接合強度)が5kg/mm2以上(49×10 -6 Pa以上)のメタライ
ズ膜を得ることができる、という知見を得た。The present inventors have applied a plasma spraying method,
It has been found that by spraying the above aluminum alloy, the aluminum alloy can be metallized on the ceramic surface. In addition, aluminum 87.4
%, An alloy of silicon 12.6%, and titanium 5% in outer mass
Adhesive strength that can be used practically by adding ~ 15%
It has been found that a metallized film having a (joining strength) of 5 kg / mm 2 or more (49 × 10 −6 Pa or more) can be obtained.
【０００９】質量でアルミニュウム87.4％、シリコン1
2.6％の合金に、チタンを外割の質量で5％添加したも
の、即ち、質量でアルミニュウムが83.2％、シリコンが
12.0％、チタンが4.8％の組成の場合、メタライズ膜の
付着強度(接合強度)は、実用強度の5kg/mm2 (49×10 -6 P
a)を上まる。しかし、チタン量が4.8％未満では、活性
金属として作用する効果が小さいので、メタライズ膜の
付着強度(接合強度)が低く、実用要求強度を満足するこ
とができない。Aluminum 87.4% by mass , silicon 1
2.6% of the alloy, which was added 5% titanium in outer percentage by mass, that is, aluminum is 83.2% by mass, silicon
When the composition is 12.0% and titanium is 4.8% ,
Adhesive strength (joining strength) is 5 kg / mm 2 (49 × 10 -6 P
a) However, if the titanium content is less than 4.8% , the effect of acting as an active metal is small, so that
Adhesive strength (joining strength) is low, and cannot satisfy the practically required strength.
【００１０】また、チタン量を外割の質量で15％添加し
たもの、即ち、質量でアルミニュウムが76.0％、シリコ
ンが11.0％、チタンが13.0％の組成の場合、メタライズ
膜の付着強度(接合強度)は、実用強度の5kg/mm2 (49×10
-6 Pa)を上まる。しかし、チタンが13.0％を超えると、
メタライズ膜とセラミックスとの接合強度は低下する。In the case where the titanium content is 15% by mass of the outer part , that is, the composition of aluminum is 76.0%, silicon is 11.0%, and titanium is 13.0% by mass.
The adhesion strength (bonding strength) of the film is 5 kg / mm 2 (49 × 10
-6 Pa) . However, when titanium exceeds 13.0% ,
The bonding strength between the metallized film and the ceramic decreases.
【００１１】本発明のメタライズ法において、セラミッ
クスにアルミニュウム合金をプラズマ溶射する際、この
セラミックスを予め５０〜２００℃に加熱することが好
ましい。これにより、付着強度の強いメタライズが得ら
れるが、５０℃より低い場合及び２００℃より高い場
合、プラズマ化したアルミニュウム合金の粒子は、セラ
ミックス表面に強固に補足されないため、付着強度は低
下する。In the metallizing method of the present invention, when the aluminum alloy is plasma-sprayed on the ceramic, it is preferable to heat the ceramic to 50 to 200 ° C. in advance. As a result, a metallized film having a strong adhesive strength can be obtained. However, when the temperature is lower than 50 ° C. or higher than 200 ° C., the plasma-formed aluminum alloy particles are not firmly captured on the ceramic surface, so that the adhesive strength is reduced.
【００１２】[0012]
【実施例】本発明を実施例に従って、詳細に説明する。
質量でアルミニュウムが87.4％、シリコンが12.6％から
成る合金の基本成分に、チタンを外割で5〜15％及びそ
の前後の量を添加した種々の合金を作製した。その組成
を表１に示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to embodiments.
Aluminum 87.4 percent by mass, the basic components of the alloy in which the silicon is made of 12.6%, to prepare a variety of alloy obtained by adding an amount of 5-15% and before and after the titanium outer percentage. The composition is shown in Table 1.
【００１３】[0013]
【表１】 [Table 1]
【００１４】表１に示す組成の合金を、種々の温度に加
熱した２０ｍｍ角で、厚さが３ｍｍのアルミナ、窒化珪
素、サイアロン及び炭素化珪素の表面に、表２に記す条
件でプラズマ溶射した場合の接合強度を表３に示す。An alloy having a composition shown in Table 1 was plasma-sprayed on a surface of 20 mm square, 3 mm thick alumina, silicon nitride, sialon and silicon carbide heated to various temperatures under the conditions shown in Table 2. Table 3 shows the bonding strength in the case.
【００１５】[0015]
【表２】 [Table 2]
【００１６】[0016]
【表３】 [Table 3]
【００１７】表３から明らかなように、本発明の接合用
合金を用いてプラズマ溶射すると、付着強度(接合強度)
が極めて大きく、一方、その組成前後のものでは、付着
強度(接合強度)が極端に小さいことが理解できる。ま
た、本発明の合金を用いても、セラミックスの加熱温度
が50〜200℃の範囲外になると、同じく、付着強度(接合
強度)が極端に小さいことが理解できる(表３中のNo.7及
びNo.10参照）。As is apparent from Table 3, when plasma bonding is performed using the bonding alloy of the present invention, the bonding strength (bonding strength) is obtained.
It can be understood that the adhesive strength ( joining strength) is extremely small when the composition is before and after the composition. Further, even when the alloy of the present invention is used, when the heating temperature of the ceramics is out of the range of 50 to 200 ° C. , the adhesive strength (bonding strength )
It can be understood that ( strength) is extremely small (see No. 7 and No. 10 in Table 3).
【００１８】[0018]
【発明の効果】本発明は、以上詳記したとおり、アルミ
ナ、窒化珪素、サイアロン及び炭化珪素などのセラミッ
クスを、高強度で接合でき、そして、磁性や酸化雰囲気
に影響しないという顕著な効果が生じ、そして、原子炉
関連に供することができるという有用性を有するもので
ある。As described in detail above, the present invention has the remarkable effect that ceramics such as alumina, silicon nitride, sialon, and silicon carbide can be bonded with high strength and does not affect the magnetism or the oxidizing atmosphere. And, it has utility that it can be provided for a nuclear reactor.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−291942（ＪＰ，Ａ) 特開 昭64−66095（ＪＰ，Ａ) 特開 昭61−281079（ＪＰ，Ａ) 特開 昭61−96051（ＪＰ，Ａ) 米国特許4902475（ＵＳ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C22C 21/00 - 21/18 C04B 37/02 - 37/04 C04B 41/88 C23C 4/00 - 6/00 B23K 35/28 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-291942 (JP, A) JP-A-64-66095 (JP, A) JP-A-61-281079 (JP, A) JP-A-61-291942 96051 (JP, A) US Patent 4,902,475 (US, A) (58) Fields investigated (Int. Cl. 7 , DB name) C22C 21/00-21/18 C04B 37/02-37/04 C04B 41/88 C23C 4/00-6/00 B23K 35/28
Claims (3)
コン11.0〜12.0質量％及びチタン4.8〜13.0質量％の組
成からなることを特徴とするセラミックスのメタライズ
用アルミニュウム合金。1. A aluminum from 76.0 to 83.2 wt%, silicon 11.0 to 12.0% by weight and titanium from 4.8 to 13.0% by weight of the metallization for aluminum alloys ceramics, characterized in that a composition.
83.2質量％、シリコン11.0〜12.0質量％及びチタン4.8
〜13.0質量％の組成からなるアルミニュウム合金をプラ
ズマ溶射し、セラミックス表面をメタライズすることを
特徴とするセラミックスのメタライズ方法。2. Ceramics, aluminum 76.0 ~
83.2 mass %, silicon 11.0-12.0 mass % and titanium 4.8
A metallizing method for ceramics, comprising plasma-spraying an aluminum alloy having a composition of 13.0% by mass to metallize the ceramics surface.
るセラミックスを、予め50〜200℃に加熱する請求項２
記載のセラミックスのメタライズ方法。3. The ceramic which is plasma-sprayed of an aluminum alloy is heated to 50 to 200 ° C. in advance.
Metallization method of the ceramics described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02418863A JP3081256B2 (en) | 1990-12-28 | 1990-12-28 | Alloy for metallizing ceramics and metallizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02418863A JP3081256B2 (en) | 1990-12-28 | 1990-12-28 | Alloy for metallizing ceramics and metallizing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04235246A JPH04235246A (en) | 1992-08-24 |
| JP3081256B2 true JP3081256B2 (en) | 2000-08-28 |
Family
ID=18526620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02418863A Expired - Fee Related JP3081256B2 (en) | 1990-12-28 | 1990-12-28 | Alloy for metallizing ceramics and metallizing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3081256B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10151716A1 (en) * | 2001-10-19 | 2003-05-08 | Bayerische Motoren Werke Ag | Alloy powder for coating in particular the valve seat area of a cylinder head of an internal combustion engine and coating method |
| CN104404426B (en) * | 2014-11-17 | 2016-09-28 | 苏州大学 | Surface of large-size workpiece Ti3siC2matrix composite coating and plasma surfacing preparation method |
| CN111733357B (en) * | 2020-05-21 | 2022-04-12 | 范语楠 | Preparation method of high-volume-fraction ceramic-reinforced aluminum-based composite material |
-
1990
- 1990-12-28 JP JP02418863A patent/JP3081256B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04235246A (en) | 1992-08-24 |
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