JPS60166276A - Bonding of ceramic and metal - Google Patents
Bonding of ceramic and metalInfo
- Publication number
- JPS60166276A JPS60166276A JP2259584A JP2259584A JPS60166276A JP S60166276 A JPS60166276 A JP S60166276A JP 2259584 A JP2259584 A JP 2259584A JP 2259584 A JP2259584 A JP 2259584A JP S60166276 A JPS60166276 A JP S60166276A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- ceramics
- bonding
- carbon electrode
- metal powder
- 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
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- Ceramic Products (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】
〔発明の技術分野〕
本発明は、金属とセラミックスを接合する際、中間に金
属粉末シートをはさみ金属側に通電することにより発熱
させ、更に全体を加圧することにより短時間に金属とセ
ラミックスを接合する方法に関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] When joining metal and ceramics, the present invention involves sandwiching a metal powder sheet between them, generating heat by applying electricity to the metal side, and further applying pressure to the entire body, thereby achieving a short bonding time. It concerns a method of joining metals and ceramics in a timely manner.
金属とセラミックスは元来、異質のものであるためその
接合が極めて困難である。セラミックスは顕著な耐熱性
、耐薬品性、それに優れた硬度を有するため各分野にお
いて実用化されているが、金属との接合性が悪いため、
その改善が望まれている。Since metals and ceramics are originally different, it is extremely difficult to join them together. Ceramics have remarkable heat resistance, chemical resistance, and excellent hardness, so they are put into practical use in various fields, but they have poor bonding properties with metals.
Improvement is desired.
従来から金属とセラミックスとの接着にはバインダーと
して金属粉末が用いられ、これを加熱溶融して圧着する
方法が一般的である。そして加熱は普通、加熱雰囲気を
用いる。ところが金属粉末を溶融し、セラミックスと接
合可能にするためには１０００１＜以上の高熱が必要で
あり、このような高温雰囲気を作り接合させるには、大
きな装置と融着に長時間を要した。Conventionally, metal powder has been used as a binder to bond metals and ceramics, and the common method is to heat and melt the powder and then press it. For heating, a heated atmosphere is usually used. However, in order to melt the metal powder and make it possible to bond it to ceramics, high heat of 10,001< or more is required, and creating such a high-temperature atmosphere and bonding requires large equipment and a long time for fusion.
本発明の目的は、簡単な装置で短時間に金属とセラミッ
クスを確実に接合する方法を提供することにある。An object of the present invention is to provide a method for reliably joining metal and ceramics in a short time using a simple device.
本発明の構成は、金属とセラミックスとの間に金属粉末
シー１〜をはさみ、中性雰囲気中で該金属と金属粉末シ
ー）へを通電加熱すると同時に全体を加圧する金属とセ
ラミックスとの接合方法を、その要旨とするものである
。The structure of the present invention is a method for joining metal and ceramics, in which a metal powder sheet (1) is sandwiched between metal and ceramics, and the metal and metal powder sheet (1 to 1) are placed between the metal and ceramics, and the metal and the metal powder sheet (1) are electrically heated in a neutral atmosphere, and at the same time, the entire body is pressurized. This is its gist.
以下、本発明の構成を更に具体的に説明する。Hereinafter, the configuration of the present invention will be explained in more detail.
本発明に用いることのできる金属は純鉄、ステンレス、
スチール、銅、ニッケル、アルミニウムあるいはこれら
の合金等、導電性のものであれば特に限定されない。ま
た、金属粉末シー１へに使用される金属は銅、ニッケル
、アルミニウム等が有効である。金属と接合されるセラ
ミックスとしてはアルミナ系、ジルコニア系、５ｉａＮ
４系等が好ましい。Metals that can be used in the present invention include pure iron, stainless steel,
It is not particularly limited as long as it is conductive, such as steel, copper, nickel, aluminum, or an alloy thereof. Further, effective metals used for the metal powder sheet 1 include copper, nickel, and aluminum. Ceramics to be bonded to metal include alumina, zirconia, and 5iaN.
4 series etc. are preferred.
本発明においては、金属とセラミックスの間に金属粉末
シー１〜をはさみ、金属側、即ち金属粉末シー１〜およ
び金属を加熱するが、この加熱手段として電流を通すこ
とが最大の特徴である。通電方法は特に限定されないが
、金属粉末シー１〜側と金属側にカーボン電極を設置す
ることが好ましい。In the present invention, the metal powder sheets 1 to 1 are sandwiched between metal and ceramics, and the metal side, that is, the metal powder sheets 1 to 1 and the metal are heated, and the most important feature is that electric current is passed as the heating means. Although the energization method is not particularly limited, it is preferable to install carbon electrodes on the metal powder seam 1 side and the metal side.
また、発熱部分を均一にさせるためには、金属側に中間
カーボン電極を設けることが好ましい。Further, in order to make the heat generating portion uniform, it is preferable to provide an intermediate carbon electrode on the metal side.
この電極により金属面との接触面積を変化させ、また、
その固定位置や形状を変化させることにより、電流の通
路を変化させて発熱部を集中させることができる。This electrode changes the contact area with the metal surface, and
By changing the fixed position and shape, the current path can be changed and the heat generating portion can be concentrated.
電流は５００〜７００ Ａ／ｃ＋＋ｔの大電流を流すこ
とが好ましく、電圧は２〜５ｖが好ましい。通電時間は
５〜３０秒で十分であり、目的とする１７００〜２３０
０にの発熱を得ることが可能になる。It is preferable to flow a large current of 500 to 700 A/c++t, and the voltage is preferably 2 to 5 V. 5 to 30 seconds is sufficient for the current application time, and the desired 1700 to 230
It becomes possible to obtain heat generation of 0.
本発明においては、このようにして通電発熱と同時に電
極間を加圧して融着をより強固にさせるが、この圧力は
１〜３ ｔ／ｆｕｌ ｌが好ましい。In the present invention, pressure is applied between the electrodes at the same time as electricity is generated and heat is generated to further strengthen the fusion bond, and this pressure is preferably 1 to 3 t/ful.
次に、本発明の方法を実施するための装置について図面
を参照して説明する。Next, an apparatus for implementing the method of the present invention will be described with reference to the drawings.
図は金属とセラミックスの接合装置であり、装置本体１
には上下に可動な圧縮部材２．２′が設けられ、圧縮部
材２．２′の先端は銅製電極：３．３′に接している。The figure shows a joining device for metal and ceramics, and the device body 1
is provided with a compression member 2.2' that is movable up and down, and the tip of the compression member 2.2' is in contact with a copper electrode: 3.3'.
下側の銅製電極３の上には上面に四部を有する下部カー
ボン電極７が固定され、その四部の中に金属と接合され
るべきセラミックスＪＯが納入されている。セラミック
ス１０の」−には、そのセラミックス１０の表面と下部
カーボン電極７の表面と接して金属粉末シー１−９が置
かれ、その上には金属粉末シー１へ９の全面に接して接
合されるべき金属板８が乗せられている。金属板８の上
には、これより接触面の小さい中間カーボン電極６が中
央部に接している。中間カーホン電極６の上面は上部カ
ーホン電極５に固定され、この上部カーボン電極５の上
面は上側の銅製電極３′に固定されている。A lower carbon electrode 7 having four parts on the upper surface is fixed on the lower copper electrode 3, and a ceramic JO to be bonded to metal is delivered into each of the four parts. A metal powder sheet 1-9 is placed on the ceramic 10 in contact with the surface of the ceramic 10 and the surface of the lower carbon electrode 7, and a metal powder sheet 1-9 is bonded to the metal powder sheet 1 on top of the metal powder sheet 1-9 in contact with the entire surface of the ceramic 10. A metal plate 8 to be used is placed thereon. On the metal plate 8, an intermediate carbon electrode 6 having a smaller contact surface is in contact with the center portion. The upper surface of the intermediate carbon electrode 6 is fixed to the upper carbon electrode 5, and the upper surface of the upper carbon electrode 5 is fixed to the upper copper electrode 3'.
一方、銅製電極３．３′、上部カーボン電極５、中間カ
ーボン電極６、金属板８、金属粉末シー１−９、セラミ
ックス１０および下部カーホン電極７は外壁１２に囲ま
れ、その中には窒素１１が通気されている。また、過剰
の熱を除去するために冷却水４が銅製電極３．３′に通
っている。On the other hand, the copper electrode 3.3', the upper carbon electrode 5, the intermediate carbon electrode 6, the metal plate 8, the metal powder sheet 1-9, the ceramic 10 and the lower carbon electrode 7 are surrounded by an outer wall 12, inside which nitrogen 11 is ventilated. Cooling water 4 also passes through the copper electrodes 3.3' to remove excess heat.
このような接合装置において、下側銅製電極３から上側
銅製電極３′へ電流Ａを通すと電流Ａは図の点線にした
がい下部カーボン電極７から金属粉末シー１−９、金属
板８を通り、中間カーボン電極６、上部カーボン電極５
を経て上側銅製電極３′へ抜ける。そして、各カーボン
電極を通電する際、高熱を発し金属粉末シート９を溶融
し、金属板８とセラミックス】０を接合するのである。In such a bonding device, when a current A is passed from the lower copper electrode 3 to the upper copper electrode 3', the current A passes from the lower carbon electrode 7 to the metal powder sheet 1-9 and the metal plate 8 according to the dotted line in the figure. Middle carbon electrode 6, upper carbon electrode 5
and exits to the upper copper electrode 3'. When electricity is applied to each carbon electrode, high heat is generated to melt the metal powder sheet 9 and join the metal plate 8 and the ceramic 0.
そして、この通電作業と同時に上下の圧縮部材２．２′
を作動し、全体を圧縮することにより、金属とセラミッ
クスの接合がより強固になる。At the same time as this energization operation, the upper and lower compression members 2.2'
By activating and compressing the entire body, the bond between metal and ceramic becomes stronger.
この接合装置は、中間カーボン電極６の大きさおよび固
定場所を種々選択することにより、電流の通路を変える
ことができ、その結果、発熱箇所および発熱量を変える
ことができる。In this bonding device, the current path can be changed by variously selecting the size and fixing location of the intermediate carbon electrode 6, and as a result, the heat generation location and amount of heat generation can be changed.
また、下部カーボン電極７は上面の四部を任意に加工す
ることにより、所望のセラミックスの形状に合わせるこ
とができるようになっている。Further, the lower carbon electrode 7 can be made to match the desired shape of the ceramic by arbitrarily processing the four parts of the upper surface.
以下、実施例を挙げて本発明の詳細な説明する。Hereinafter, the present invention will be explained in detail with reference to Examples.
実施例
金属としてＳ Ｕ Ｓ ３０４− （ステンレススチー
ル）の板材（厚さ０．５ ％ ）を使い、セラミックス
とし料の接合条件を表１に示した。An SUS 304- (stainless steel) plate (thickness: 0.5%) was used as the example metal, and Table 1 shows the bonding conditions for the ceramics and the material.
なお、接合用バインダーとしてＮ１、ＣＬＩ、Ａ１の粉
末圧粉板を用いた。接合面の大きさは１．２ｃ１ｎＸ０
、８ ｃｍであった。Note that N1, CLI, and A1 powder compact plates were used as bonding binders. The size of the bonding surface is 1.2c1nX0
, 8 cm.
表 １
接合試験の結果、試料１〜３の金属とセラミックスとの
接合強度は、いずれも４〜９ Ｍｐａ （４０〜９０
ｋｇ／ｆｆｌ ）の範囲にあり、実用的強度であること
がわかった。Table 1 As a result of the bonding test, the bonding strength between the metal and ceramics of Samples 1 to 3 was 4 to 9 Mpa (40 to 90 Mpa).
kg/ffl), and was found to have a practical strength.
図は、本発明の実施に用いることができる接合装置の断
面図である。
２．２′・・・・圧縮部材 ３．３′・・・銅製電極５
・・・・・・上部カーボン電極
６・・・・・中間カーボン電極
７・・・・・・下部カーボン電極
８・・・・金属板
９・・・・・金属粉末シー１−
１０・・・・・・セラミックスThe figure is a cross-sectional view of a bonding device that can be used to implement the present invention. 2.2'... Compression member 3.3'... Copper electrode 5
... Upper carbon electrode 6 ... Middle carbon electrode 7 ... Lower carbon electrode 8 ... Metal plate 9 ... Metal powder sheet 1-10 ... ...ceramics
Claims (1)
中性雰囲気中で該金属と金属粉末シー１−を通電加熱す
ると同時に全体を加圧することを特徴とする金属とセラ
ミックスとの接合方法。Sandwiching a metal powder sheet between metal and ceramics,
A method for joining metal and ceramics, characterized in that the metal and metal powder sheet 1- are electrically heated in a neutral atmosphere and simultaneously pressurized as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2259584A JPS60166276A (en) | 1984-02-08 | 1984-02-08 | Bonding of ceramic and metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2259584A JPS60166276A (en) | 1984-02-08 | 1984-02-08 | Bonding of ceramic and metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60166276A true JPS60166276A (en) | 1985-08-29 |
Family
ID=12087191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2259584A Pending JPS60166276A (en) | 1984-02-08 | 1984-02-08 | Bonding of ceramic and metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166276A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0294675A (en) * | 1988-09-30 | 1990-04-05 | Osaka Prefecture | Method of forming electrode of oxide superconductor |
| WO1996020333A1 (en) * | 1994-12-28 | 1996-07-04 | Sumitomo Electric Industries, Ltd. | Sliding part and method of manufacturing the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582276A (en) * | 1981-06-24 | 1983-01-07 | 株式会社日立製作所 | Metal-ceramic joint body and manufacture |
| JPS5855113A (en) * | 1981-09-29 | 1983-04-01 | Sumitomo Metal Ind Ltd | Rolling method for steel band |
| JPS5891088A (en) * | 1981-11-27 | 1983-05-30 | トヨタ自動車株式会社 | Method of bonding ceramic and metal |
| JPS59215281A (en) * | 1983-05-23 | 1984-12-05 | Seiichiro Miyata | Press welding method of two members of which surfaces to be joined consist of metal |
| JPS60106662A (en) * | 1983-11-11 | 1985-06-12 | Miyata Giken:Kk | Joining method of members |
-
1984
- 1984-02-08 JP JP2259584A patent/JPS60166276A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS582276A (en) * | 1981-06-24 | 1983-01-07 | 株式会社日立製作所 | Metal-ceramic joint body and manufacture |
| JPS5855113A (en) * | 1981-09-29 | 1983-04-01 | Sumitomo Metal Ind Ltd | Rolling method for steel band |
| JPS5891088A (en) * | 1981-11-27 | 1983-05-30 | トヨタ自動車株式会社 | Method of bonding ceramic and metal |
| JPS59215281A (en) * | 1983-05-23 | 1984-12-05 | Seiichiro Miyata | Press welding method of two members of which surfaces to be joined consist of metal |
| JPS60106662A (en) * | 1983-11-11 | 1985-06-12 | Miyata Giken:Kk | Joining method of members |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0294675A (en) * | 1988-09-30 | 1990-04-05 | Osaka Prefecture | Method of forming electrode of oxide superconductor |
| WO1996020333A1 (en) * | 1994-12-28 | 1996-07-04 | Sumitomo Electric Industries, Ltd. | Sliding part and method of manufacturing the same |
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