JP2008285745A - 高熱伝導複合材料 - Google Patents
高熱伝導複合材料 Download PDFInfo
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- JP2008285745A JP2008285745A JP2007167105A JP2007167105A JP2008285745A JP 2008285745 A JP2008285745 A JP 2008285745A JP 2007167105 A JP2007167105 A JP 2007167105A JP 2007167105 A JP2007167105 A JP 2007167105A JP 2008285745 A JP2008285745 A JP 2008285745A
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- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/025—Aligning or orienting the fibres
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
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Abstract
【解決手段】 金属粉体、又は金属とセラミックスの混合粉体、若しくはセラミックス粉体の放電プラズマ焼結体からなる基材中に、単層又は多層のグラフェンにより構成された極細のチューブ状構成体からなる繊維状炭素材料が複数の層をなして存在する。各層を構成する繊維状炭素材料は、平均直径が500nm〜100μmの大径繊維1に、平均直径が100nm以下の小径繊維2を少量混合した混合物からなる。
【選択図】 図1
Description
2 カーボンナノチューブ(小径繊維)
10 複合材料
11 繊維層
12 粉末焼結層
20 試験片
Claims (11)
- 金属粉体、又は金属とセラミックスの混合粉体、若しくはセラミックス粉体の放電プラズマ焼結体からなる基材中に、単層又は多層のグラフェンにより構成された極細のチューブ状構成体からなる繊維状炭素材料が複数の層をなして存在しており、各層を構成する繊維状炭素材料が、平均直径が500nm〜100μmの大径繊維と、平均直径が100nm以下の小径繊維との混合物からなることを特徴とする高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、大径繊維の含有量に比べて小径繊維の含有量は僅かであり、大径繊維の含有量は、その比重を2とした場合の体積比で表して1〜75%の範囲内、小径繊維の含有量は、その比重を1.4としたときの体積比で表して0.01〜5%の範囲内である高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、繊維層中の小径繊維は、大径繊維間を架橋するべく繊維層中の大径繊維に網状に絡まりあって存在する高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、繊維層中の大径繊維は層表面に平行な1又は複数の特定方向に配向し、小径繊維は無配向である高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、大径繊維は、グラフェンシートが円筒形状に丸まった単層又は複数層のグラフェンチューブを芯部に有しており、その芯部を多重に取り囲むようにグラフェンシートがグラフェンチューブの径方向に積層された気相成長炭素繊維を含む高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、小径繊維は、グラフェンシートが円筒形状に丸まった単層又は複数層のグラフェンチューブにより構成されたカーボンナノチューブを含む高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、金属粉体は平均粒径が200μm以下であり、前記セラミックス粉体は平均粒径が10μm以下である高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、金属粉体はアルミニウム、アルミニウム合金、チタン、チタン合金、銅、銅合金、ステンレス鋼のうちの1種または2種以上である高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、セラミックス粉体は酸化物、窒化物、炭化物、ホウ化物のうちの1種または2種以上である高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、混合粉体におけるセラミックスは重量比で20%以下の含有である高熱伝導複合材料。
- 請求項1に記載の高熱伝導複合材料において、前記基材は前記繊維状炭素材料と共に塑性加工を受けた金属粉体焼結体である高熱伝導複合材料。
Priority Applications (6)
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JP2007167105A JP5116082B2 (ja) | 2007-04-17 | 2007-06-26 | 高熱伝導複合材料 |
CN2008800174472A CN101707911B (zh) | 2007-04-17 | 2008-03-06 | 高导热性复合材料 |
PCT/JP2008/054038 WO2008129906A1 (ja) | 2007-04-17 | 2008-03-06 | 高熱伝導複合材料 |
EP08721458.1A EP2145972B1 (en) | 2007-04-17 | 2008-03-06 | Highly thermally conductive composite material |
US12/595,397 US8053069B2 (en) | 2007-04-17 | 2008-03-06 | High heat conduction composite material |
KR1020097021606A KR101506976B1 (ko) | 2007-04-17 | 2008-03-06 | 고열전도 복합 재료 |
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JP2007167105A JP5116082B2 (ja) | 2007-04-17 | 2007-06-26 | 高熱伝導複合材料 |
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JP5116082B2 JP5116082B2 (ja) | 2013-01-09 |
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US (1) | US8053069B2 (ja) |
EP (1) | EP2145972B1 (ja) |
JP (1) | JP5116082B2 (ja) |
KR (1) | KR101506976B1 (ja) |
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WO (1) | WO2008129906A1 (ja) |
Cited By (19)
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JP2010196098A (ja) * | 2009-02-24 | 2010-09-09 | Shinshu Univ | 金属基複合体およびその製造方法 |
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US20100143691A1 (en) | 2010-06-10 |
JP5116082B2 (ja) | 2013-01-09 |
US8053069B2 (en) | 2011-11-08 |
CN101707911B (zh) | 2012-09-05 |
WO2008129906A1 (ja) | 2008-10-30 |
KR101506976B1 (ko) | 2015-03-30 |
KR20100015630A (ko) | 2010-02-12 |
CN101707911A (zh) | 2010-05-12 |
EP2145972B1 (en) | 2013-09-25 |
EP2145972A1 (en) | 2010-01-20 |
EP2145972A4 (en) | 2012-06-27 |
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