JPH11209833A - Particle laminated body and its production - Google Patents
Particle laminated body and its productionInfo
- Publication number
- JPH11209833A JPH11209833A JP1596498A JP1596498A JPH11209833A JP H11209833 A JPH11209833 A JP H11209833A JP 1596498 A JP1596498 A JP 1596498A JP 1596498 A JP1596498 A JP 1596498A JP H11209833 A JPH11209833 A JP H11209833A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- fiber
- thermal spraying
- particle
- particle laminate
- 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
Landscapes
- Laminated Bodies (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、機械、装置の部
品、部材を構成する材料として使用される粒子積層体と
その製造方法に関するものであり、これに限定する意図
はないが、例えばクラッチディスクのフェーシング、あ
るいはライニングに使用される粒子積層体とその製造方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a particle laminate used as a material for forming parts and members of a machine and an apparatus, and a method for producing the same. And a method for producing the same.
【０００２】[0002]
【従来の技術】機械や装置の部品、部材を構成する材料
に要求される機能は多様化している。例えば、摩擦材に
は強度とクッション性、あるいは耐摩耗性と低攻撃性等
を兼ね備えた材料が求められる。また、応力検出、ガス
検出、光検出等のセンサ類には特殊な電気磁気的性質を
有している材料が必要となる。このような、要求を達成
するための手段の１つとして、粉末材料の機能を自由に
組み合わせて複合機能化や高性能化、新たな特殊機能創
出を図る粉末加工がある。2. Description of the Related Art Functions required for materials constituting parts and members of machines and apparatuses are diversifying. For example, a material having both strength and cushioning properties, or abrasion resistance and low aggressiveness is required for the friction material. Further, sensors having special electro-magnetic properties are required for sensors such as stress detection, gas detection, and light detection. As one of means for achieving such demands, there is powder processing for freely combining the functions of powder materials to achieve multifunctionality, high performance, and creation of new special functions.
【０００３】粉末加工には、例えば焼結や樹脂成形のよ
うに粒子同士を融合させたり、あるいは冶金的、化学的
に結合して部材と成す方法がある。[0003] In powder processing, for example, there is a method in which particles are fused with each other, such as sintering or resin molding, or a method in which metal particles are chemically and chemically bonded to form a member.
【０００４】例えば、特開平８−１３１１８号には、粒
子の積層体に熱処理を施して粒子同士を冶金的または化
学的に結合させているが、樹脂と金属のように、大幅に
その特性が異なり、冶金的あるいは化学的には結合しな
い混合材料では、その結合力が低く、又、耐熱性の低い
材料では材料を加熱する温度を上げることができず、や
はり、十分な結合力を得ることができず、その強度が低
いという問題があった。For example, in Japanese Patent Application Laid-Open No. Hei 8-13118, a heat treatment is applied to a laminated body of particles so that the particles are metallurgically or chemically bonded. In contrast, a mixed material that does not bond metallurgically or chemically has a low bonding strength, and a material with low heat resistance cannot raise the temperature at which the material is heated. However, there was a problem that the strength was low.
【０００５】[0005]
【発明が解決しようとする課題】本発明の課題とすると
ころは、上記問題を解決する粒子積層体とその製造方法
を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a particle laminate which solves the above problems and a method for producing the same.
【０００６】[0006]
【課題を解決するための手段】上記問題を解決するため
に本発明の請求項１においては、粒子同士が繊維片によ
って連結されていることを特徴とする粒子積層体とし
た。Means for Solving the Problems In order to solve the above-mentioned problems, a first aspect of the present invention provides a particle laminate in which particles are connected by fiber pieces.
【０００７】又、本発明の請求項２においては、粒子は
金属粒子であることを特徴とする請求項１記載の粒子積
層体とした。According to a second aspect of the present invention, there is provided the particle laminate according to the first aspect, wherein the particles are metal particles.
【０００８】又、本発明の請求項３においては、粒子は
樹脂粒子であることを特徴とする請求項１記載の粒子積
層体とした。According to a third aspect of the present invention, there is provided the particle laminate according to the first aspect, wherein the particles are resin particles.
【０００９】又、本発明の請求項４においては、繊維片
はその融点が粒子の融点より高いことを特徴とする請求
項１記載の粒子積層体とした。According to a fourth aspect of the present invention, there is provided the particle laminate according to the first aspect, wherein the fiber pieces have a melting point higher than the melting point of the particles.
【００１０】又、本発明の請求項５においては、繊維片
は２〜７０体積％含まれることを特徴とする請求項４記
載の粒子積層体とした。According to a fifth aspect of the present invention, there is provided the particle laminate according to the fourth aspect, wherein the fiber pieces are contained in an amount of 2 to 70% by volume.
【００１１】又、本発明の請求項６においては、繊維片
は直径２〜５０μｍ、長さ５０μｍ以上、アスペクト比
１０以上であることを特徴とする請求項５記載の粒子積
層体とした。According to a sixth aspect of the present invention, there is provided the particle laminate according to the fifth aspect, wherein the fiber pieces have a diameter of 2 to 50 μm, a length of 50 μm or more, and an aspect ratio of 10 or more.
【００１２】又、本発明の請求項７においては、繊維片
は毛羽立った形状であることを特徴とする請求項６記載
の粒子積層体とした。According to a seventh aspect of the present invention, there is provided the particle laminate according to the sixth aspect, wherein the fiber pieces have a fluffy shape.
【００１３】又、本発明の請求項８においては、粒子同
士が繊維片によって連結されている粒子積層体の製造方
法で、粒子と繊維片を混合した後、溶射することを特徴
とする粒子積層体の製造方法とした。According to an eighth aspect of the present invention, there is provided a method for producing a particle laminate in which particles are connected by fiber pieces, wherein the particles and the fiber pieces are mixed and then sprayed. Body manufacturing method.
【００１４】又、本発明の請求項９においては、 粒子
同士が繊維片によって連結されている粒子積層体の製造
方法で、粒子及び繊維片をそれぞれ溶射することによっ
て混合させることを特徴とする粒子積層体の製造方法と
した。According to a ninth aspect of the present invention, there is provided a method for producing a particle laminate in which particles are connected to each other by fiber pieces, wherein the particles and the fiber pieces are mixed by thermal spraying. This was a method for producing a laminate.
【００１５】又、本発明の請求項１０においては、粒子
同士が繊維片によって連結されている粒子積層体の製造
方法で、あらかじめ繊維片を各粒子内に含有させたもの
を、溶射することを特徴とする粒子積層体の製造方法と
した。According to a tenth aspect of the present invention, in the method for producing a particle laminate in which particles are connected to each other by a fiber piece, it is preferable to spray-spray a material in which a fiber piece is previously contained in each particle. A method for producing a characteristic particle laminate was adopted.
【００１６】上記請求項１に記載した粒子積層体によれ
ば、粒子同士が繊維片によって連結されているため、各
粒子が強固に連結される。According to the particle laminate of the first aspect, since the particles are connected to each other by the fiber pieces, the particles are strongly connected.
【００１７】又、上記請求項２に記載した粒子積層体に
よれば、各金属粒子が繊維片によって強固に連結され
る。Further, according to the particle laminate of the second aspect, the metal particles are firmly connected by the fiber pieces.
【００１８】又、上記請求項３に記載した粒子積層体に
よれば、各樹脂粒子が繊維片によって強固に連結され
る。According to the particle laminate of the third aspect, the resin particles are firmly connected by the fiber pieces.
【００１９】又、上記請求項４に記載した粒子積層体に
よれば、繊維片はその融点が粒子の融点より高いため、
繊維形状を維持したまま粒子同士を連結する。According to the particle laminate according to the fourth aspect, since the melting point of the fiber pieces is higher than the melting point of the particles,
The particles are connected with each other while maintaining the fiber shape.
【００２０】又、上記請求項５に記載した粒子積層体に
よれば、繊維片は２〜７０体積％含まれているため、高
強度化できる。In the particle laminate according to the fifth aspect, since the fiber pieces are contained in an amount of 2 to 70% by volume, the strength can be increased.
【００２１】又、上記請求項６に記載した粒子積層体に
よれば、繊維片は直径２〜５０μｍ、長さ５０μｍ以
上、アスペクト比１０以上であるため、高強度化でき
る。According to the particle laminate of the sixth aspect, since the fiber pieces have a diameter of 2 to 50 μm, a length of 50 μm or more, and an aspect ratio of 10 or more, the strength can be increased.
【００２２】又、上記請求項７に記載した粒子積層体に
よれば、繊維片は毛羽立った形状であるため、高強度化
できる。Further, according to the particle laminate according to the seventh aspect, since the fiber pieces have a fluffy shape, the strength can be increased.
【００２３】又、上記請求項８に記載した粒子積層体の
製造方法によれば、粒子と繊維片を混合した後、溶射す
るため、容易に高強度の粒子積層体を製造できる。According to the method for producing a particle laminate according to the eighth aspect, since the particles and the fiber pieces are mixed and then sprayed, a high-strength particle laminate can be easily produced.
【００２４】又、上記請求項９に記載した粒子積層体の
製造方法によれば、粒子及び繊維片をそれぞれ溶射する
ことによって混合させるため、容易に高強度の粒子積層
体を製造できる。According to the method for producing a particle laminate according to the ninth aspect, the particles and the fiber pieces are mixed by spraying, so that a high-strength particle laminate can be easily produced.
【００２５】又、上記請求項１０に記載した粒子積層体
の製造方法によれば、あらかじめ繊維片を各粒子内に含
有させておき、溶射するため、容易に高強度の粒子積層
体を製造できる。According to the method for producing a particle laminate according to the tenth aspect, since a fiber piece is previously contained in each particle and sprayed, a high-strength particle laminate can be easily produced. .
【００２６】[0026]
【発明の実施の形態】図１は本発明による粒子積層体の
第１の製造方法を示す図である。図において溶射ガン１
は、ガン本体３とノズル５を備えている。ガン本体３に
は内孔３ａが備えられており、ノズル５から溶射ガスを
送ることによって、内孔３ａ内には熱源としての炎７が
発生されている。FIG. 1 is a view showing a first method for producing a particle laminate according to the present invention. In the figure, spray gun 1
Has a gun body 3 and a nozzle 5. The gun body 3 is provided with an inner hole 3a, and by sending a spray gas from the nozzle 5, a flame 7 as a heat source is generated in the inner hole 3a.
【００２７】金属粒子あるいは樹脂粒子、あるいはその
混合物によって形成された溶射材料９と、金属材料、カ
ーボン材料あるいはセラミックス材料等によって形成さ
れた、あるいはそれらの混合物である繊維１１とは、予
め混合されて溶射ガン１のノズル５内に投入されてい
る。The thermal spray material 9 formed of metal particles or resin particles, or a mixture thereof, and the fiber 11 formed of a metal material, carbon material, ceramic material, or the like, or a mixture thereof are mixed in advance. It is thrown into the nozzle 5 of the thermal spray gun 1.
【００２８】溶射材料９と繊維１１との混合物は、ノズ
ル５から噴射されるため、内孔３ａ内の炎７中を通過す
る際に溶融される。この時、繊維１１を溶射材料９より
も融点の高い材料のものを選択し、溶射材料９のみが溶
融するように炎７を制御すれば、繊維１１の繊維形状を
維持でき、容易に粒子同士を結合できる。Since the mixture of the thermal spray material 9 and the fibers 11 is injected from the nozzle 5, it is melted when passing through the flame 7 in the inner hole 3a. At this time, if the fiber 11 is selected from a material having a higher melting point than the thermal spray material 9 and the flame 7 is controlled so that only the thermal spray material 9 is melted, the fiber shape of the fiber 11 can be maintained, and the particles can be easily separated. Can be combined.
【００２９】又、繊維１１の含有量は２〜７０体積％が
よく、これ以下では高強度化の効果がなく、これ以上で
は逆に強度低下となる。更に、繊維１１の形状は、直径
２〜５０μｍであって、長さ５０μｍ以上、更に、アス
ペクト比（繊維長／繊維径）１０以上のものが望まし
い。The content of the fiber 11 is preferably 2 to 70% by volume. If the content is less than this, there is no effect of increasing the strength, and if it is more than this, the strength decreases. Further, the shape of the fiber 11 is preferably 2 to 50 μm in diameter, 50 μm or more in length, and more preferably 10 or more in aspect ratio (fiber length / fiber diameter).
【００３０】ガン本体３から溶射された後、混合物は台
座１３に衝突するとともに自然冷却される。混合物は台
座１３への衝突時に、溶射材料９同士が、機械的嵌合に
よる結合力、原子間力、互いの融合による結合力、化学
的あるいは冶金的な結合力によって結合されるととも
に、繊維１１が溶融材料９の内部に取込まれた状態で冷
却されることによって、強大な結合力が発生する。After being sprayed from the gun body 3, the mixture collides with the pedestal 13 and is naturally cooled. When the mixture collides with the pedestal 13, the thermal sprayed materials 9 are bonded to each other by a bonding force due to mechanical fitting, an atomic force, a bonding force due to fusion with each other, a chemical or metallurgical bonding force, and the fibers 11. Is cooled while being taken in the molten material 9, a strong bonding force is generated.
【００３１】台座１３に衝突した混合物は、台座１３上
で冷却されて徐々に積層され、目的とする粒子積層体１
５が形成される。粒子積層体１５は、溶射材料９と繊維
１１との混合物を溶射することのみによって形成され、
型による成形等の工程は一切必要としない。The mixture that has collided with the pedestal 13 is cooled on the pedestal 13 and gradually laminated, and the desired particle laminate 1 is formed.
5 are formed. The particle laminate 15 is formed only by spraying a mixture of the thermal spray material 9 and the fibers 11,
No steps such as molding with a mold are required.
【００３２】図２は本発明による粒子積層体１５の拡大
図であり、図３は図２を更に拡大した図である。図２に
おいては、溶射材料９は樹脂粒子１７と金属粒子１９と
によって構成されており、図３に示すように、これら
は、繊維１１がそれぞれの中に取込まれることによっ
て、互いに強固に連結されている。図３にあるように、
繊維１１は毛羽立ったものを使用することによって、樹
脂粒子１７と金属粒子１９の結合はより強固にすること
ができる。FIG. 2 is an enlarged view of the particle laminate 15 according to the present invention, and FIG. 3 is an enlarged view of FIG. In FIG. 2, the thermal spray material 9 is composed of resin particles 17 and metal particles 19, and as shown in FIG. 3, these are firmly connected to each other by the fibers 11 being taken therein. Have been. As shown in FIG.
By using the fibers 11 which are fluffy, the bonding between the resin particles 17 and the metal particles 19 can be further strengthened.
【００３３】図４は本発明による粒子積層体の第２の製
造方法を示す図である。図４が図１に示した方法と異な
るところは、溶射材料９を溶射する溶射ガン１ａと、繊
維１１を溶射する溶射ガン１ｂとを設けた点にある。こ
の方法の場合、溶射ガン１ｂの熱源を繊維１１が溶融し
ない程度に制御し、繊維１１を加熱することによって、
溶融材料９への取込まれ性をよくすることができる。FIG. 4 is a view showing a second method for producing a particle laminate according to the present invention. FIG. 4 differs from the method shown in FIG. 1 in that a thermal spray gun 1 a for thermal spraying the thermal spray material 9 and a thermal spray gun 1 b for thermal spraying the fibers 11 are provided. In the case of this method, the heat source of the thermal spray gun 1b is controlled to such an extent that the fiber 11 does not melt, and the fiber 11 is heated.
The incorporation into the molten material 9 can be improved.
【００３４】又、図５に示すように金属あるいは溶射材
料（樹脂粒子）９内に、これより融点の高い繊維１１を
予め含有させておき、これを溶射してもよい。この方法
によれば、粒子９は溶融あるいは半溶融状態となって台
座１３に衝突するため、この時に偏平して繊維１１が突
き出る。これによって、繊維１１が含有している粒子以
外の粒子と結合し、粒子９同士の結合を強固にする。Alternatively, as shown in FIG. 5, fibers 11 having a higher melting point may be previously contained in a metal or spray material (resin particles) 9 and sprayed. According to this method, the particles 9 are in a molten or semi-molten state and collide with the pedestal 13, so that the fibers 11 protrude at this time. Thereby, the fibers 9 are bonded to particles other than the particles contained therein, and the bonding between the particles 9 is strengthened.
【００３５】更に、図６に示すように、毛玉状にした繊
維１１を用いて溶射すれば、溶射ガス流に対する投影面
積が増加する。従って、溶射ガス流からの運動エネルギ
の伝達効率が向上して繊維１１の飛行速度が増すため、
繊維１１と溶射材料９との連結がより強固になる。Further, as shown in FIG. 6, when the thermal spraying is performed using the pill-shaped fiber 11, the projected area with respect to the thermal spray gas flow increases. Therefore, the efficiency of transmitting the kinetic energy from the spray gas stream is improved, and the flying speed of the fiber 11 is increased.
The connection between the fiber 11 and the thermal spray material 9 becomes stronger.
【００３６】[0036]
【発明の効果】上記したように本発明によれば、溶射時
に繊維片を混合させるだけで、粒子同士の結合が強固な
粒子積層体を製造することができるため、低コストで品
質のよい粒子積層体とすることができる。As described above, according to the present invention, it is possible to manufacture a particle laminate in which the bonding between particles is strong only by mixing the fiber pieces at the time of thermal spraying. It can be a laminate.
【図１】本発明による粒子積層体の第１の製造方法を示
す図FIG. 1 is a diagram showing a first method for producing a particle laminate according to the present invention.
【図２】本発明による粒子積層体の拡大図FIG. 2 is an enlarged view of a particle laminate according to the present invention.
【図３】図２の拡大図FIG. 3 is an enlarged view of FIG. 2;
【図４】本発明による粒子積層体の第２の製造方法を示
す図FIG. 4 is a view showing a second method for producing a particle laminate according to the present invention.
【図５】粒子内に、繊維を予め含有させたところを表わ
す図FIG. 5 is a view showing a state where fibers are previously contained in particles.
【図６】毛玉状にした繊維片を表わす図FIG. 6 shows a pill-shaped fiber piece.
１ 溶射ガン ９ 溶射材料 １１ 繊維 １５
粒子積層体DESCRIPTION OF SYMBOLS 1 Thermal spray gun 9 Thermal spray material 11 Fiber 15
Particle laminate
Claims (10)
ることを特徴とする粒子積層体。1. A particle laminate in which particles are connected by a fiber piece.
請求項１記載の粒子積層体。2. The particle laminate according to claim 1, wherein the particles are metal particles.
請求項１記載の粒子積層体。3. The particle laminate according to claim 1, wherein the particles are resin particles.
ことを特徴とする請求項１記載の粒子積層体。4. The particle laminate according to claim 1, wherein the fiber pieces have a melting point higher than the melting point of the particles.
特徴とする請求項４記載の粒子積層体。5. The particle laminate according to claim 4, wherein the fiber pieces are contained in an amount of 2 to 70% by volume.
ｍ以上、アスペクト比１０以上であることを特徴とする
請求項５記載の粒子積層体。6. The fiber piece has a diameter of 2 to 50 μm and a length of 50 μm.
The particle laminate according to claim 5, wherein the particle ratio is not less than m and the aspect ratio is not less than 10.
徴とする請求項６記載の粒子積層体。7. The particle laminate according to claim 6, wherein the fiber pieces have a fluffy shape.
る粒子積層体の製造方法で、粒子と繊維片を混合した
後、溶射することを特徴とする粒子積層体の製造方法。8. A method for producing a particle laminate in which particles are connected by fiber pieces, wherein the particles and the fiber pieces are mixed and then sprayed.
る粒子積層体の製造方法で、粒子及び繊維片をそれぞれ
溶射することによって混合させることを特徴とする粒子
積層体の製造方法。9. A method for producing a particle laminate in which particles are connected by fiber pieces, wherein the particles and the fiber pieces are mixed by spraying, respectively.
いる粒子積層体の製造方法で、あらかじめ繊維片を各粒
子内に含有させたものを、溶射することを特徴とする粒
子積層体の製造方法。10. A method for producing a particle laminate in which particles are connected to each other by a fiber piece, wherein a method in which a fiber piece is previously contained in each particle is thermally sprayed. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1596498A JPH11209833A (en) | 1998-01-28 | 1998-01-28 | Particle laminated body and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1596498A JPH11209833A (en) | 1998-01-28 | 1998-01-28 | Particle laminated body and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11209833A true JPH11209833A (en) | 1999-08-03 |
Family
ID=11903414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1596498A Pending JPH11209833A (en) | 1998-01-28 | 1998-01-28 | Particle laminated body and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11209833A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010023445A (en) * | 2008-07-24 | 2010-02-04 | National Institute For Materials Science | Coating member, manufacturing method thereof and particle used in the method |
| JP2014521836A (en) * | 2011-07-25 | 2014-08-28 | エッカルト ゲゼルシャフト ミット ベシュレンクテル ハフツング | Coating methods using special powdered coating materials and the use of such coating materials |
-
1998
- 1998-01-28 JP JP1596498A patent/JPH11209833A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010023445A (en) * | 2008-07-24 | 2010-02-04 | National Institute For Materials Science | Coating member, manufacturing method thereof and particle used in the method |
| JP2014521836A (en) * | 2011-07-25 | 2014-08-28 | エッカルト ゲゼルシャフト ミット ベシュレンクテル ハフツング | Coating methods using special powdered coating materials and the use of such coating materials |
| US9580787B2 (en) | 2011-07-25 | 2017-02-28 | Eckart Gmbh | Coating method using special powdered coating materials and use of such coating materials |
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