JPH01272732A - Manufacture of fiber reinforced metal-based prepreg sheet - Google Patents
Manufacture of fiber reinforced metal-based prepreg sheetInfo
- Publication number
- JPH01272732A JPH01272732A JP10137288A JP10137288A JPH01272732A JP H01272732 A JPH01272732 A JP H01272732A JP 10137288 A JP10137288 A JP 10137288A JP 10137288 A JP10137288 A JP 10137288A JP H01272732 A JPH01272732 A JP H01272732A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- prepreg sheet
- metal
- fibers
- matrix
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 53
- 239000002184 metal Substances 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000007751 thermal spraying Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 9
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000007750 plasma spraying Methods 0.000 description 6
- 239000002905 metal composite material Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 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
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、軽量で強度が大きく耐熱性が大であり宇宙、
航空機材料、自動車材料などとしての用途に適した繊維
強化金属複合材料製造の中間素材である繊維強化金属基
プリプレグシートの製造方法に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention is lightweight, has high strength, and has high heat resistance.
The present invention relates to a method for producing a fiber-reinforced metal-based prepreg sheet, which is an intermediate material for producing fiber-reinforced metal composite materials suitable for use as aircraft materials, automobile materials, etc.
（従来の技術）
繊維強化金属基プリプレグシートを積層し、該積層物を
ホットプレス等で接合することにより繊維強化金属複合
材料を製造する場合、製造された繊維強化金属複合材料
の特性はそのプリプレグシートの性状に依存し、例えば
、繊維間へのマトリックス金属の回り込みが良いなど優
れた性状のプリプレグシートからは高強度の繊維強化金
属複合材料が得られることが知られている。(Prior art) When manufacturing a fiber-reinforced metal composite material by laminating fiber-reinforced metal-base prepreg sheets and joining the laminates by hot pressing, the characteristics of the manufactured fiber-reinforced metal composite material are those of the prepreg sheet. It is known that a high-strength fiber-reinforced metal composite material can be obtained from a prepreg sheet with excellent properties depending on the properties of the sheet, such as good wraparound of the matrix metal between the fibers.
繊維強化金属基プリプレグシートの製造法としては、ス
ラリー法、アーク溶射法、プラズマ溶射法、イオンブレ
ーティング法、減圧下でのプラズマ溶射法などが一般的
であるが、細径繊維を強化繊維として用いる場合は専ら
アーク溶射法、プラズマ溶射法が用いられている。Common methods for manufacturing fiber-reinforced metal-based prepreg sheets include the slurry method, arc spraying method, plasma spraying method, ion brating method, and plasma spraying method under reduced pressure. When used, arc spraying and plasma spraying are exclusively used.
（発明が解決しようとする問題点）
細径繊維を強化繊維とし、アーク溶射法やプラズマ溶射
法を用いてプリプレグシートを製造する場合、高強度の
繊維強化金属複合材料を得る、と言う観点から、得られ
た繊維強化金属基プリプレグシートに、下記のような解
決すべき問題点がある。(Problems to be solved by the invention) From the viewpoint of obtaining a high-strength fiber-reinforced metal composite material when manufacturing a prepreg sheet using arc spraying or plasma spraying using small diameter fibers as reinforcing fibers. The obtained fiber-reinforced metal-based prepreg sheet has the following problems to be solved.
（１）マトリックスに気孔が多い。(1) There are many pores in the matrix.
（２）繊維と溶射されたマトリックス金属との接着性が
低い。(2) Poor adhesion between the fibers and the thermally sprayed matrix metal.
（３）溶射されたマトリックス金属の繊維間への回り込
みが悪い。(3) The thermally sprayed matrix metal wraps poorly between the fibers.
（問題点を解決するための技術的手段）本発明は、上記
問題点を解消した繊維強化金属基プリプレグシートの製
造方法を提供する。(Technical means for solving the problems) The present invention provides a method for manufacturing a fiber-reinforced metal-based prepreg sheet that solves the above problems.
本発明は、長繊維束を開繊し、ついで一方向に引揃えた
長繊維にマトリックス金属を溶射してプリプレグシート
を製造する際、溶射前に、引揃えた長繊維を予熱する工
程を付は加えて繊維強化金属基プリプレグシートを製造
する方法である。The present invention adds a step of preheating the aligned long fibers before thermal spraying when manufacturing a prepreg sheet by opening a long fiber bundle and then thermally spraying a matrix metal onto the aligned long fibers in one direction. Additionally, there is a method for producing a fiber-reinforced metal-based prepreg sheet.
本発明で使用される長繊維としては、例えば炭化ケイ素
繊維、炭素繊維、アルミナ繊維、５ｉ−Ｔｉ−Ｃ−０繊
維（宇部興産■製チラノ繊維：登録商標）などが挙げら
れる。Examples of the long fibers used in the present invention include silicon carbide fibers, carbon fibers, alumina fibers, 5i-Ti-C-0 fibers (Tyranno fiber manufactured by Ube Industries, Ltd.: registered trademark), and the like.
この長繊維よりなる繊維束は、開繊操作により薄く展開
された後に張力をかけながら一方向に引揃えられる。This fiber bundle made of long fibers is spread thinly by a fiber opening operation, and then pulled in one direction while applying tension.
溶射に先立って引揃えられた長繊維は、例えば予熱炉中
を通過させ予熱する。通常、長繊維は５００〜６００°
Ｃに予熱される。Prior to thermal spraying, the aligned long fibers are preheated by passing through a preheating furnace, for example. Usually long fibers are 500-600°
Preheated to C.
引揃えられた長繊維の予熱は溶射されたマトリックス金
属を長繊維に均一に回り込ませるうえできわめて重要で
あり、この予熱を行わないと前述したような種々の問題
が発生する。Preheating the aligned long fibers is extremely important for uniformly wrapping the thermally sprayed matrix metal around the long fibers, and if this preheating is not performed, various problems as described above will occur.
これに対して、本発明によれば、長繊維を予熱するため
、溶射粒子は繊維表面で急激な冷却を受けず、溶射粒子
の粘度は急激に失われないため、マトリックス層は密に
なり、繊維表面と溶射粒子との接着性も向上する。さら
に、溶射粒子の流動性も保持されるため、゛マトリック
ス金属の長繊維間への回り込みも向上する。On the other hand, according to the present invention, since the long fibers are preheated, the thermal spray particles are not rapidly cooled on the fiber surface, and the viscosity of the thermal spray particles is not rapidly lost, so the matrix layer becomes dense. Adhesion between the fiber surface and the thermal spray particles is also improved. Furthermore, since the fluidity of the thermal spray particles is maintained, their wrap around between the long fibers of the matrix metal is also improved.
上記の引揃え、予熱した長繊維に前記の溶射方法により
マトリックス金属を溶射し、繊維強化金属基プリプレグ
シートが得られる。A matrix metal is thermally sprayed onto the aligned and preheated long fibers by the thermal spraying method described above to obtain a fiber-reinforced metal-based prepreg sheet.
マトリックス金属としては、通常、Ａｆ、Ｔｉ、Ｎｉ、
Ｃｕ、これらの合金及びＦｅ基耐熱合金などが用いられ
る。The matrix metal is usually Af, Ti, Ni,
Cu, alloys thereof, Fe-based heat-resistant alloys, and the like are used.
溶射方法としては、通常、ガス溶射法１．アーク溶射法
、プラズマ溶射法などが用いられる。As a thermal spraying method, gas spraying method 1. Arc spraying, plasma spraying, etc. are used.
一方向に引揃えられた繊維は、溶射操作により、瞬間的
に溶融されたマトリックス金属を吹きつける。これより
シート状の中間素材であるプリプレグシートが得られる
。プリプレグシートは成形可能な程度の厚さを有したも
のであればよく、通常、１００〜２００μｍ程度の厚さ
を有している。The fibers aligned in one direction are instantly sprayed with molten matrix metal by a thermal spraying operation. From this, a prepreg sheet, which is a sheet-like intermediate material, is obtained. The prepreg sheet may have a thickness that can be molded, and usually has a thickness of about 100 to 200 μm.
（発明の効果）
本発明によれば、長繊維へのマトリックス金属の回り込
みの良好な、長繊維とマトリ・ンクス金属との接着性の
良い、しかもマトリックス層の緻密化した繊維強化金属
基プリプレグシートを得ることができる。(Effects of the Invention) According to the present invention, a fiber-reinforced metal-based prepreg sheet with good wraparound of the matrix metal into the long fibers, good adhesion between the long fibers and the matrix metal, and a dense matrix layer. can be obtained.
（実施例） 以下に実施例を示す。(Example) Examples are shown below.
実施例１
直径１０μｍのＳ ｉ −Ｔ ｉ −Ｃ−０１ｊｉ維（
宇部興産■製チラノ繊維：登録商標）８００本よりなる
繊維束を均一に２〜３［＋に開繊し、張力をかけながら
一方向に引揃えた。Example 1 S i -T i -C-01ji fiber with a diameter of 10 μm (
A fiber bundle consisting of 800 Tyranno fibers manufactured by Ube Industries (registered trademark) was uniformly opened to 2 to 3 +, and pulled in one direction while applying tension.
この引揃えた繊維を予熱炉中を通過させ、５００〜６０
０°Ｃに予熱し、短時間で、溶融したＡ２をプラズマス
プレーし、プリプレグシート番作製した。その際、プラ
ズマスプレー装置のノズルは繊維面より１４０ｍａ＋離
して設置した。ノズルと繊維の移動速度は引揃えた繊維
の全巾との兼ね合いで決定した。The aligned fibers are passed through a preheating furnace and
It was preheated to 0°C and plasma sprayed with molten A2 for a short time to prepare a prepreg sheet. At that time, the nozzle of the plasma spray device was installed at a distance of 140 ma+ from the fiber surface. The moving speed of the nozzle and the fibers was determined in consideration of the total width of the aligned fibers.
得られたプリプレグシートの厚さは１３０〜１５０μｍ
であった。このプリプレグシートの断面図を第１図に示
した。第１図よりプリプレグシートのマトリックス層は
緻密であり、長繊維と溶射されたマトリックス金属との
接着性が高いことがわかる。また、溶射されたマトリッ
クス金属の長繊維間への回り込みも良好であることがわ
かる。The thickness of the obtained prepreg sheet is 130 to 150 μm
Met. A cross-sectional view of this prepreg sheet is shown in FIG. From FIG. 1, it can be seen that the matrix layer of the prepreg sheet is dense and the adhesiveness between the long fibers and the thermally sprayed matrix metal is high. It is also seen that the thermally sprayed matrix metal wraps well between the long fibers.
比較例１
実施例１と同様の手法で繊維束を２〜３ｍｍに開繊し、
一方向に引揃えた。Comparative Example 1 A fiber bundle was opened to 2 to 3 mm using the same method as in Example 1,
It was pulled in one direction.
引揃えられた繊維にマトリックス金属をプラズマスプレ
ーし、プリプレグシートを作製した。このプリプレグシ
ートの断面図を第２図に示した。A prepreg sheet was prepared by plasma spraying matrix metal onto the aligned fibers. A cross-sectional view of this prepreg sheet is shown in FIG.
第２図より、プリプレグシートのマトリックス層はポー
ラスであり、長繊維と溶射されたマトリックス金属との
接着性が低いことがわかる。また、溶射されたマトリッ
クス金属の長繊維間への回り込みが悪いこともわかる。From FIG. 2, it can be seen that the matrix layer of the prepreg sheet is porous and the adhesion between the long fibers and the thermally sprayed matrix metal is low. It can also be seen that the thermally sprayed matrix metal does not wrap around between the long fibers.
第１図及び第２図は、それぞれ、実施例１及び比較例１
で得られた繊維強化金属基プリプレグシートの繊維軸方
向に対して直角方向の金属組織の断面図である。
図中、
１−・・マトリックス（Ａｆ） ２−チラノ繊維３
−空隙FIG. 1 and FIG. 2 show Example 1 and Comparative Example 1, respectively.
FIG. 2 is a cross-sectional view of the metal structure of the fiber-reinforced metal-based prepreg sheet obtained in the direction perpendicular to the fiber axis direction. In the figure, 1- Matrix (Af) 2- Tyranno fiber 3
- air gap
Claims (1)
トリックス金属を溶射してプリプレグシートを製造する
際、溶射前に引き揃えた繊維を予熱することを特徴とす
る繊維強化金属基プリプレグシートの製造方法。A fiber-reinforced metal-based prepreg characterized in that when manufacturing a prepreg sheet by opening a long fiber bundle and then thermally spraying a matrix metal onto the aligned fibers in one direction, the aligned fibers are preheated before thermal spraying. Method of manufacturing sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10137288A JPH01272732A (en) | 1988-04-26 | 1988-04-26 | Manufacture of fiber reinforced metal-based prepreg sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10137288A JPH01272732A (en) | 1988-04-26 | 1988-04-26 | Manufacture of fiber reinforced metal-based prepreg sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01272732A true JPH01272732A (en) | 1989-10-31 |
Family
ID=14298984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10137288A Pending JPH01272732A (en) | 1988-04-26 | 1988-04-26 | Manufacture of fiber reinforced metal-based prepreg sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01272732A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5774115A (en) * | 1980-10-27 | 1982-05-10 | Res Dev Corp Of Japan | Manufacture of prepreg sheet |
| JPS602660A (en) * | 1983-06-17 | 1985-01-08 | Toyota Motor Corp | Fiber reinforcing method of surface part of article |
-
1988
- 1988-04-26 JP JP10137288A patent/JPH01272732A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5774115A (en) * | 1980-10-27 | 1982-05-10 | Res Dev Corp Of Japan | Manufacture of prepreg sheet |
| JPS602660A (en) * | 1983-06-17 | 1985-01-08 | Toyota Motor Corp | Fiber reinforcing method of surface part of article |
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