JPH05286790A - Heat resistant composite material and its production - Google Patents
Heat resistant composite material and its productionInfo
- Publication number
- JPH05286790A JPH05286790A JP11550092A JP11550092A JPH05286790A JP H05286790 A JPH05286790 A JP H05286790A JP 11550092 A JP11550092 A JP 11550092A JP 11550092 A JP11550092 A JP 11550092A JP H05286790 A JPH05286790 A JP H05286790A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- metal
- resistant
- brazing
- thermal stress
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は耐熱複合材料及びその製
造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat resistant composite material and a method for producing the same.
【０００２】[0002]
【従来の技術】近年計画されている宇宙往還機の機体や
推進装置を構成する部材には、高強度度特性と高耐熱特
性が要求される。2. Description of the Related Art High strength characteristics and high heat resistance characteristics are required for members constituting aircraft bodies and propulsion devices of space shuttles which have been planned in recent years.
【０００３】そこで、高強度特性を有するニッケル基金
属（例えばＩＮＣＯ−７１８）あるいはチタン合金（Ｔ
ｉ−６Ａｌ−４Ｖ）等の金属材料と高耐熱特性を有する
耐熱材料（カーボンコンポジット）とを接合して、高強
度特性と高耐熱特性の双方を具備した耐熱複合材料を作
ることが研究されている。Therefore, nickel base metal (for example, INCO-718) or titanium alloy (T
Research has been carried out by joining a metal material such as i-6Al-4V) and a heat-resistant material (carbon composite) having high heat-resistant characteristics to make a heat-resistant composite material having both high strength characteristics and high heat resistance characteristics. There is.
【０００４】[0004]
【発明が解決しようとする課題】ところが、ニッケル基
金属あるいはチタン合金等よりなる金属材料は、カーボ
ンコンポジットよりなる耐熱材料に比べて熱膨張係数が
大きい。However, a metal material made of a nickel-based metal or a titanium alloy has a larger coefficient of thermal expansion than a heat resistant material made of a carbon composite.
【０００５】このため、金属材料と耐熱材料の間にろう
材を介在させたうえ各材料を加熱し、金属材料と耐熱材
料をろう接（ろう付け）により接合しようとすると、各
材料の温度が常温に戻る際に、金属材料と耐熱材料の接
合面付近に熱膨張係数の差による熱応力が発生し、その
結果、耐熱材料の接合面付近においてカーボン繊維とグ
ラファイトマトリクスとが剥離して金属材料と耐熱材料
を強固に接合させることができない。Therefore, when a brazing material is interposed between the metal material and the heat-resistant material and each material is heated to join the metal material and the heat-resistant material by brazing (brazing), the temperature of each material is reduced. When returning to room temperature, thermal stress is generated near the joint surface between the metal material and the heat resistant material due to the difference in thermal expansion coefficient, and as a result, the carbon fiber and the graphite matrix are separated near the joint surface between the heat resistant material and the metal material. And the heat resistant material cannot be firmly joined.
【０００６】本発明は上述した実情に鑑みなしたもの
で、高強度特性と高耐熱特性の双方を具備した耐熱複合
材料を提供することを目的としている。The present invention has been made in view of the above circumstances, and an object thereof is to provide a heat-resistant composite material having both high strength characteristics and high heat resistance characteristics.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するた
め、本発明の請求項１に記載した耐熱複合材料において
は、高強度特性を有する金属材料と、該金属材料の一面
にろう接によって接合された金属繊維織布焼結体よりな
る熱応力緩衝材と、該熱応力緩衝材の反金属材料接合面
にろう接によって接合されたカーボンコンポジットより
なる耐熱材料とを備えている。In order to achieve the above object, in a heat resistant composite material according to claim 1 of the present invention, a metal material having high strength characteristics is joined to one surface of the metal material by brazing. And a heat resistant material made of carbon composite bonded to the anti-metal material bonding surface of the thermal stress buffer material by brazing.
【０００８】また、本発明の請求項２に記載した本発明
の請求項１に記載の耐熱複合材料の製造方法では、高強
度特性を有する金属材料の一面にろう材を介して金属繊
維織布焼結体よりなる熱応力緩衝材を当接させ、該熱応
力緩衝材の反金属材料側の面にろう材を介してカーボン
コンポジットよりなる耐熱材料を当接させて積層体を形
成し、前記金属材料に対して耐熱材料を押圧しながら前
記積層体を略真空条件下でろう材の溶融温度領域に加熱
したうえ、前記積層体を冷却する。Further, in the method for producing a heat-resistant composite material according to claim 1 of the present invention described in claim 2 of the present invention, the metal fiber woven cloth is provided on one surface of the metal material having high strength characteristics with a brazing material interposed therebetween. A thermal stress buffer made of a sintered body is brought into contact, and a heat-resistant material made of carbon composite is brought into contact with the surface of the thermal stress cushioned material on the side opposite to the metal material to form a laminate. While pressing the heat resistant material against the metal material, the laminated body is heated to a melting temperature region of the brazing material under a substantially vacuum condition, and then the laminated body is cooled.
【０００９】[0009]
【作用】本発明の請求項１に記載した耐熱複合材料は、
高強度特性を有する金属材料に、金属繊維織布焼結体よ
りなる熱応力緩衝材を介して耐熱材料をろう接によって
接合しているので、高強度特性と高耐熱特性の双方を具
備させることができる。The heat resistant composite material according to claim 1 of the present invention is
Since a heat resistant material is joined by brazing to a metal material having high strength characteristics through a thermal stress buffer made of a woven metal fiber cloth sintered body, both high strength characteristics and high heat resistance characteristics should be provided. You can
【００１０】本発明の請求項２に記載した本発明の請求
項１に記載の耐熱複合材料の製造方法では、金属材料に
対して耐熱材料を押圧しつつ、金属材料、熱応力緩衝
材、耐熱材料を真空条件下でろう接するので、各材料を
強固に接合することができる。In the method for producing a heat-resistant composite material according to claim 1 of the present invention described in claim 2 of the present invention, the metal material, the thermal stress buffer, and the heat-resistant material are pressed against the metal material while pressing the heat-resistant material. Since the materials are brazed under a vacuum condition, the materials can be firmly bonded.
【００１１】[0011]
【実施例】以下本発明の実施例を図面を参照しつつ説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００１２】図１は本発明の耐熱複合材料の一実施例を
示すもので、１は高強度特性を有するニッケル基金属
（例えばＩＮＣＯ−７１８）あるいはチタン合金（例え
ばＴｉ−６Ａｌ−４Ｖ）等よりなる金属材料、２は金属
材料１の上面にチタン系のろう材３（例えば４０Ｔｉ−
２０Ｚｒ−２０Ｃｕ−２０Ｎｉ）によってろう接したニ
ッケル系金属繊維織布焼結体（ハステロイＸ）よりなる
熱応力緩衝材、４は熱応力緩衝材２の上面に前記ろう材
３と同質のろう材５によってろう接したカーボンコンポ
ジットよりなる耐熱材料であり、前記熱応力緩衝材２は
金属材料１、耐熱材料４に比して伸縮性を有している。FIG. 1 shows an embodiment of the heat-resistant composite material of the present invention. Reference numeral 1 is a nickel-base metal (for example, INCO-718) or titanium alloy (for example, Ti-6Al-4V) having high strength characteristics. 2 is a titanium-based brazing material 3 (for example, 40Ti-).
20Zr-20Cu-20Ni), which is a thermal stress buffer made of a nickel-based metal fiber woven fabric sintered body (Hastelloy X) brazed to the upper surface of the thermal stress buffer 2 and a brazing material 5 of the same quality as the brazing material 3. It is a heat-resistant material made of carbon composite brazed with each other, and the thermal stress buffering material 2 has elasticity compared with the metal material 1 and the heat-resistant material 4.
【００１３】耐熱複合材料を構成する各部材の厚さは、
金属材料１が約３．５ｍｍ、熱応力緩衝材２が約０．５
ｍｍ、耐熱材料４が約８ｍｍとなっている。The thickness of each member constituting the heat resistant composite material is
Metal material 1 is about 3.5 mm, thermal stress buffer 2 is about 0.5
mm, and the heat resistant material 4 is about 8 mm.
【００１４】次に、耐熱複合材料の製造方法により上述
した構成を有する耐熱複合材料を製作する手順を説明す
る。Next, a procedure for producing the heat-resistant composite material having the above-mentioned structure by the method for producing the heat-resistant composite material will be described.
【００１５】金属材料１の上面にろう材３を介して熱応
力緩衝材２を載置し、該熱応力緩衝材２の上面にろう材
５を介して耐熱材料４を載置して積層体６を形成する
（図１参照）。The thermal stress buffer 2 is placed on the upper surface of the metal material 1 via the brazing material 3, and the heat resistant material 4 is placed on the upper surface of the thermal stress buffer 2 via the brazing material 5 to form a laminate. 6 is formed (see FIG. 1).
【００１６】この積層体６を前記金属材料１に対して耐
熱材料４を０．６Ｋｇ／ｃｍ2 程度の圧下力で押圧しな
がら、積層体６を加熱炉に入れ、該加熱炉を約１０-4Ｔ
ｏｒｒ程度の略真空状態に減圧し、積層体６を図２に示
すように、常温から段階的に約９３０℃まで加熱する。[0016] While pressing the heat-resistant material 4 to the laminate 6 to the metal material 1 in the rolling force of about 0.6 Kg / cm 2, placed laminate 6 into the heating furnace, the heating furnace of about 10 - 4 T
The pressure is reduced to a substantially vacuum state of about orr, and the laminate 6 is heated stepwise from room temperature to about 930 ° C. as shown in FIG.
【００１７】更に、積層体６を所定温度ｔ1まで自然冷
却させた後、加熱炉内へアルゴン等の不活性ガスを送給
して金属材料１、耐熱材料４等の酸化を防止しつつ前記
積層体６を冷却し、金属材料１と耐熱材料４を熱応力緩
衝材２を介したろう接を完了する。Further, after the laminated body 6 is naturally cooled to a predetermined temperature t 1 , an inert gas such as argon is fed into the heating furnace to prevent the metal material 1, the heat resistant material 4 and the like from being oxidized. The laminate 6 is cooled, and the brazing of the metal material 1 and the heat resistant material 4 with the thermal stress buffering material 2 is completed.
【００１８】このとき、金属材料１に対して耐熱材料４
を押圧しているので、各材料が確実にろう接される。At this time, the heat-resistant material 4 with respect to the metal material 1
By pressing, each material is securely brazed.
【００１９】このようにして製造される耐熱複合材料で
は、熱応力緩衝材２が伸縮性を有しているので、各材料
の温度が常温に戻る際に、金属材料１と熱応力緩衝材２
の接合面付近、耐熱材料４と熱応力緩衝材２の接合面付
近に熱応力が発生しない。In the heat-resistant composite material produced as described above, since the thermal stress buffer material 2 has elasticity, when the temperature of each material returns to room temperature, the metal material 1 and the thermal stress buffer material 2
No thermal stress is generated in the vicinity of the joint surface and in the vicinity of the joint surface between the heat resistant material 4 and the thermal stress buffer material 2.
【００２０】よって、カーボンコンポジットよりなる耐
熱材料４の接合面付近に剥離が生じることがなく、金属
材料１と耐熱材料４を強固に接合することができ、高強
度特性と高耐熱特性を具備した耐熱複合材料を得ること
ができる。Therefore, the metal material 1 and the heat-resistant material 4 can be firmly bonded without peeling off in the vicinity of the bonding surface of the heat-resistant material 4 made of carbon composite, and high strength characteristics and high heat resistance characteristics are provided. A heat resistant composite material can be obtained.
【００２１】なお、本発明の耐熱複合材料及びその製造
方法は、上述した実施例にのみ限定されるものではな
く、熱応力緩衝材にＳＵＳ−３１６Ｌ等のステンレス系
金属繊維織布焼結体よりなるものを用いるようにするこ
と、高強度特性を有する金属材料、ろう材の種類を耐熱
複合材料の用途に合わせて適宜変更すること、その他、
本発明の要旨を逸脱しない範囲において種々変更を加え
得ることは勿論である。The heat-resistant composite material of the present invention and the method for producing the same are not limited to the above-described embodiments, but a heat-stress buffer material made of a SUS-316L stainless steel metal fiber woven fabric sintered body is used. To be used, a metal material having high strength characteristics, the type of brazing material to be appropriately changed according to the application of the heat-resistant composite material, and others,
It goes without saying that various modifications can be made without departing from the scope of the present invention.
【００２２】[0022]
【発明の効果】以上述べたように、本発明の耐熱複合材
料及びその製造方法によれば、下記のような種々の優れ
た効果を奏し得る。As described above, according to the heat resistant composite material and the method for producing the same of the present invention, various excellent effects as described below can be obtained.
【００２３】（１）本発明の請求項１に記載した耐熱複
合材料は、高強度特性を有する金属材料に、金属繊維織
布焼結体よりなる熱応力緩衝材を介して耐熱材料をろう
接により接合しているので、高強度特性と高耐熱特性の
双方を具備させることができる。(1) In the heat resistant composite material according to claim 1 of the present invention, a heat resistant material is brazed to a metal material having high strength properties through a thermal stress buffer made of a sintered metal fiber cloth. Since they are joined together by, it is possible to have both high strength characteristics and high heat resistance characteristics.
【００２４】（２）本発明の請求項２に記載した本発明
の請求項１に記載の耐熱複合材料の製造方法では、金属
材料に対して耐熱材料を押圧しつつ、金属材料、熱応力
緩衝材、耐熱材料をろう接するので、各材料を強固に接
合することができる。(2) In the method for producing a heat resistant composite material according to claim 1 of the present invention described in claim 2 of the present invention, the metal material and the thermal stress buffer are pressed while pressing the heat resistant material against the metal material. Since the material and the heat-resistant material are brazed, the respective materials can be firmly bonded.
【図１】本発明の耐熱複合材料の一実施例を示す断面図
である。FIG. 1 is a sectional view showing an embodiment of a heat resistant composite material of the present invention.
【図２】本発明の耐熱複合材料を製造する際の熱処理時
間を示すグラフである。FIG. 2 is a graph showing a heat treatment time when the heat resistant composite material of the present invention is manufactured.
１ 金属材料 ２ 熱応力緩衝材 ３，５ ろう材 ４ 耐熱材料 ６ 積層体 1 Metallic Material 2 Thermal Stress Buffer Material 3,5 Brazing Material 4 Heat Resistant Material 6 Laminate
Claims (2)
材料の一面にろう接によって接合された金属繊維織布焼
結体よりなる熱応力緩衝材と、該熱応力緩衝材の反金属
材料接合面にろう接によって接合されたカーボンコンポ
ジットよりなる耐熱材料とを備えてなることを特徴とす
る耐熱複合材料。1. A thermal stress buffer comprising a metal material having high strength characteristics, a sintered metal fiber woven material bonded to one surface of the metal material by brazing, and an anti-metal material for the thermal stress buffer. A heat-resistant composite material, comprising: a heat-resistant material made of a carbon composite bonded to the bonding surface by brazing.
う材を介して金属繊維織布焼結体よりなる熱応力緩衝材
を当接させ、該熱応力緩衝材の反金属材料側の面にろう
材を介してカーボンコンポジットよりなる耐熱材料を当
接させて積層体を形成し、前記金属材料に対して耐熱材
料を押圧しながら前記積層体を略真空条件下でろう材の
溶融温度領域に加熱したうえ、前記積層体を冷却するこ
とを特徴とする耐熱複合材料の製造方法。2. A surface of the metal material having high strength characteristics, which is made of a sintered metal fiber woven material, is brought into contact with one surface of the metal material through a brazing material, and the surface of the thermal stress buffer material on the side opposite to the metal material. A heat-resistant material composed of a carbon composite is brought into contact with the metal via a brazing material to form a laminated body, and the laminated body is melted under a substantially vacuum condition while pressing the heat-resistant material against the metal material. A method for producing a heat-resistant composite material, which comprises heating the laminate and cooling the laminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11550092A JPH05286790A (en) | 1992-04-08 | 1992-04-08 | Heat resistant composite material and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11550092A JPH05286790A (en) | 1992-04-08 | 1992-04-08 | Heat resistant composite material and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05286790A true JPH05286790A (en) | 1993-11-02 |
Family
ID=14664053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11550092A Pending JPH05286790A (en) | 1992-04-08 | 1992-04-08 | Heat resistant composite material and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05286790A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568390A (en) * | 2012-07-26 | 2014-02-12 | 苏州沛德导热材料有限公司 | Graphite composite metallic material |
| JP2016013575A (en) * | 2014-06-30 | 2016-01-28 | ゼネラル・エレクトリック・カンパニイ | Fiber reinforced brazed components and methods |
| CN114211073A (en) * | 2022-02-23 | 2022-03-22 | 中机智能装备创新研究院(宁波)有限公司 | Welding material and welding method for hard alloy and steel |
-
1992
- 1992-04-08 JP JP11550092A patent/JPH05286790A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568390A (en) * | 2012-07-26 | 2014-02-12 | 苏州沛德导热材料有限公司 | Graphite composite metallic material |
| JP2016013575A (en) * | 2014-06-30 | 2016-01-28 | ゼネラル・エレクトリック・カンパニイ | Fiber reinforced brazed components and methods |
| CN114211073A (en) * | 2022-02-23 | 2022-03-22 | 中机智能装备创新研究院(宁波)有限公司 | Welding material and welding method for hard alloy and steel |
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