JP2006503232A - 金属炭化物−炭素複合物から形成された表面を有する素材及びその製造方法 - Google Patents
金属炭化物−炭素複合物から形成された表面を有する素材及びその製造方法 Download PDFInfo
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Abstract
【解決手段】本発明は、金属炭化物−炭素複合物からなる表面を有する素材に関する。この素材は、金属炭化物表面の幾何学的に規定された領域が、0.01から1,000μmまでの深さまで物質合体によって結合した炭素を含む。
Description
Claims (12)
- 金属炭化物−炭素複合物から形成された表面を有する素材であって、金属炭化物の表面が、幾何学的に規定された領域において、0.01から1000μmまでの深さで凝集的に結合した炭素を含むことを特徴とする素材。
- 前記金属炭化物は、SiCであることを特徴とする請求項1に記載の素材。
- 前記SiCは、SiCの焼結体、反応結合した炭化ケイ素、又は、何らかの所望の基盤上のSiC被覆層であることを特徴とする請求項2に記載の素材。
- 表面積の0.1−99、好ましくは5−95、特に好ましくは15−90、特別に好ましくは25−80パーセントが、炭素からなることを特徴とする請求項1から3いずれか記載の素材。
- 前記炭素は、非晶性炭素、結晶性炭素、グラファイト、ダイヤモンド、あるいはそれらの混合物であることを特徴とする請求項1から4いずれか記載の素材。
- 前記炭素の層の厚さは、0.01−50μmであることを特徴とする請求項1から5いずれか記載の素材。
- 金属炭化物表面を有する素材を、その表面の規定された領域において、反応ガス、遮蔽ガスの存在下、又は真空状態で、放射源を用いて加熱することにより、この領域内で、前記金属炭化物が局部的に炭素に転換されることを特徴とする成形体の製造方法。
- 前記金属炭化物は、放射源によって局所的に照射され、600−1500℃に加熱され、同時に、前記金属炭化物の表面は反応ガスに暴露されるものであり、前記反応ガスは、所定の温度範囲において、金属炭化物の金属を溶かして後に炭素を残し得るものであることを特徴とする請求項7に記載の成形体の製造方法。
- 使用される反応ガスは、ハロゲンが混合されたキャリヤーガスであることを特徴とする請求項8に記載の成形体の製造方法。
- 使用されるハロゲンは塩素であり、使用されるキャリヤーガスはアルゴンであることを特徴とする請求項9に記載の成形体の製造方法。
- 放射源によって照射される表面は、局所的に1500℃より大きく2200℃未満に加熱され、真空状態あるいは遮蔽ガスに曝されて、外来元素を含むことなく、金属炭化物が金属と炭素に分解することを特徴とする請求項7に記載の成形体の製造方法。
- 使用される放射源は、レーザー、マイクロ波、又は電子ビームであることを特徴とする請求項7から11いずれか記載の成形体の製造方法。
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Application Number | Priority Date | Filing Date | Title |
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DE10235269A DE10235269A1 (de) | 2002-08-01 | 2002-08-01 | SiC-Werkstoff mit einer Kohlenstoffeinlagerung in definierten Teilbereichen der Oberfläche und ein Verfahren zu seiner Herstellung |
PCT/EP2003/008177 WO2004013505A1 (de) | 2002-08-01 | 2003-07-24 | Werkstoff mit einer oberfläche aus einem metallcarbid-kohlenstoff-komposit und ein verfahren zu seiner herstellung |
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JP2006503232A true JP2006503232A (ja) | 2006-01-26 |
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US (1) | US20050271816A1 (ja) |
EP (1) | EP1525405B1 (ja) |
JP (1) | JP2006503232A (ja) |
AT (1) | ATE354038T1 (ja) |
AU (1) | AU2003250171A1 (ja) |
DE (2) | DE10235269A1 (ja) |
DK (1) | DK1525405T3 (ja) |
WO (1) | WO2004013505A1 (ja) |
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FR2867247B1 (fr) * | 2004-03-05 | 2006-06-02 | Skf Ab | Dispositif de galet tendeur |
US7811914B1 (en) * | 2006-04-20 | 2010-10-12 | Quick Nathaniel R | Apparatus and method for increasing thermal conductivity of a substrate |
US8753603B2 (en) * | 2008-06-18 | 2014-06-17 | Board Of Trustees Of The University Of Arkansas | Microwave-assisted synthesis of carbon nanotubes from tannin, lignin, and derivatives |
EP2297383A1 (en) * | 2008-06-18 | 2011-03-23 | Board of Trustees of the University of Arkansas | Microwave-assisted synthesis of carbon and carbon-metal composites from lignin, tannin and asphalt derivatives |
US8647512B2 (en) * | 2008-06-18 | 2014-02-11 | Board Of Trustees Of The University Of Arkansas | Use of magnetic carbon composites from renewable resource materials for oil spill clean up and recovery |
US8790615B2 (en) * | 2008-06-18 | 2014-07-29 | Board Of Trustees Of The University Of Arkansas | Methods of synthesizing carbon-magnetite nanocomposites from renewable resource materials and application of same |
US9095837B2 (en) | 2008-06-18 | 2015-08-04 | Broad of Trustees of the University of Arkansas | Renewable resource-based metal oxide-containing materials and applications of the same |
US20110171108A1 (en) * | 2008-06-18 | 2011-07-14 | Board Of Trustees Of The University Of Arkansas | Microwave-assisted synthesis of nanodiamonds from tannin, lignin, asphalt, and derivatives |
US8920688B2 (en) * | 2008-06-18 | 2014-12-30 | Board Of Trustees Of The University Of Arkansas | Microwave-assisted synthesis of transition metal phosphide |
US9643165B2 (en) | 2008-06-18 | 2017-05-09 | Board Of Trustees Of The University Of Arkansas | Doped-carbon composites, synthesizing methods and applications of the same |
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JPS59208219A (ja) * | 1983-05-09 | 1984-11-26 | Toshiba Eng Co Ltd | 固体潤滑軸受 |
JPS62288721A (ja) * | 1986-06-09 | 1987-12-15 | Brother Ind Ltd | 固体潤滑剤埋め込み型セラミツクス軸受およびその製造方法 |
JPS6353316A (ja) * | 1986-08-20 | 1988-03-07 | Ibiden Co Ltd | 摺動部材及びその製造方法 |
US6579833B1 (en) * | 1999-09-01 | 2003-06-17 | The Board Of Trustees Of The University Of Illinois | Process for converting a metal carbide to carbon by etching in halogens |
DE10032044B4 (de) * | 2000-07-05 | 2008-09-11 | Walter Spang | Gleitlager mit Festschmierstoff |
DE10045339A1 (de) * | 2000-09-14 | 2002-04-04 | Wacker Chemie Gmbh | Mit Grafit beschichteter Formkörper aus gesintertem Siliciumcarbid |
-
2002
- 2002-08-01 DE DE10235269A patent/DE10235269A1/de not_active Ceased
-
2003
- 2003-07-24 DE DE50306524T patent/DE50306524D1/de not_active Expired - Lifetime
- 2003-07-24 AU AU2003250171A patent/AU2003250171A1/en not_active Abandoned
- 2003-07-24 JP JP2004525309A patent/JP2006503232A/ja active Pending
- 2003-07-24 EP EP03766289A patent/EP1525405B1/de not_active Expired - Lifetime
- 2003-07-24 AT AT03766289T patent/ATE354038T1/de not_active IP Right Cessation
- 2003-07-24 DK DK03766289T patent/DK1525405T3/da active
- 2003-07-24 WO PCT/EP2003/008177 patent/WO2004013505A1/de active IP Right Grant
- 2003-07-24 US US10/522,533 patent/US20050271816A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2004013505A1 (de) | 2004-02-12 |
EP1525405B1 (de) | 2007-02-14 |
AU2003250171A1 (en) | 2004-02-23 |
DE50306524D1 (de) | 2007-03-29 |
DE10235269A1 (de) | 2004-02-12 |
ATE354038T1 (de) | 2007-03-15 |
DK1525405T3 (da) | 2007-03-05 |
EP1525405A1 (de) | 2005-04-27 |
US20050271816A1 (en) | 2005-12-08 |
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