JP5474064B2 - 超滑性薄層を作製するための方法により特徴付けられる、超滑性薄層を使用するための方法 - Google Patents
超滑性薄層を作製するための方法により特徴付けられる、超滑性薄層を使用するための方法 Download PDFInfo
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Description
−窒化チタン(TiN)、窒化クロム(CrN)、炭化チタン(TiC)、炭化クロム(CrC)、炭化タングステン(W2C)、および炭化タングステン/炭素(WC/C)複合材、アルミナ(Al2O3)、硫化モリブデン(MoS2)、ならびに水素化非晶質炭素型(a:CH)の材料から選択される硬質材料で作製された1つの層であって、その面のうちの少なくとも1つの面上に、溝およびレリーフの連続を備える層と、
−親油性材料で作製された1つの層と
を備えるフィルムの使用を提案する。
a)前記部品の少なくとも1つの表面上に、窒化チタン(TiN)、窒化クロム(CrN)、炭化チタン(TiC)、炭化クロム(CrC)、炭化タングステン(W2C)、および炭化タングステン/炭素(WC/C)複合材、アルミナ(Al2O3)、硫化モリブデン(MoS2)、ならびに水素化非晶質炭素型(a:CH)の材料から選択される硬質材料で作製された層を堆積させるステップと、
b)テクスチャ加工された層を得るために、ステップa)において得られた層にレリーフおよびピットの連続を形成するステップと、
c)ステップb)において得られた層上に、親油性材料で作製された層を堆積させるステップと
により得られるコーティングの使用を提案する。
a)部品の少なくとも1つの表面上に、窒化チタン(TiN)、窒化クロム(CrN)、炭化チタン(TiC)、炭化クロム(CrC)、炭化タングステン(W2C)、および炭化タングステン/炭素(WC/C)複合材、アルミナ(Al2O3)、硫化モリブデン(MoS2)、ならびに水素化非晶質炭素型(a:CH)の材料から選択される硬質材料で作製された層を堆積させるステップと、
b)テクスチャ加工された層を得るために、ステップa)において得られた層の自由表面にレリーフおよびピットの連続を形成するステップと、
c)ステップb)において得られたテクスチャ加工された層上に、親油性材料で作製された層を堆積させるステップと
を含む方法を提案する。
−各レリーフの幅を画定し、1μmから100μmの間(これらを含む)で変動し得る、パラメータa、
−レリーフの高さを画定し、ひいてはピットの深さに対応し、30nmから2μmの間(これらを含む)で変動し得る、パラメータh、および
−ピットの幅を画定する、パラメータb)。
−第一に、接触圧が特に高い熱機械的応力領域において、特に潤滑が効果的である。
−第二に、テクスチャ加工中に形成された微小貯蔵部内に潤滑剤を捕捉することにより、摩擦条件の変化、例えば部品の摺動速度の変化、ヘルツ条件と等しい接触圧の変化等の最中であっても、潤滑剤の一定した源を有することが可能となる。
−第三に、この種の応力下での著しい摩損により生成された磨耗屑が、これらの貯蔵部に捕捉され、したがって摩擦領域内での第3の物体の形成が制限される。実際に、この屑は、部品の激しい損壊の一因となる、極めて硬質で研磨性の堆積物を形成する硬質粒子であることが多い。
本発明において使用されるフィルムを堆積するための方法の様々なステップを、図1に概略的に示す。
2 コーティング
3 テクスチャ加工された層
4 親油性材料で作製された層
5 ナノ粒子および/またはナノチューブの層
Claims (15)
- 著しい磨耗および高い摩擦に曝されることが意図される部品の潤滑性を改善するために、少なくとも、
−窒化チタン(TiN)、窒化クロム(CrN)、炭化チタン(TiC)、炭化クロム(CrC)、炭化タングステン(W2C)、および炭化タングステン/炭素(WC/C)複合材、アルミナ(Al2O3)、硫化モリブデン(MoS2)、ならびに水素化非晶質炭素型(a:CH)の材料から選択される硬質材料で作製された1つの層(3)であって、その面のうちの1つの面上に、ピットおよびレリーフの連続を備える層と、
−層(3)の微小溝の内壁上に堆積されたナノ粒子および/またはナノチューブと、
−親油性材料で作製された1つの層(4)と
を備えるフィルムの使用。 - 層(3)を構成する硬質材料が、水素化非晶質炭素であることを特徴とする、請求項1に記載の使用。
- 親油性材料が、SiOxベースの材料であることを特徴とする、請求項1または2に記載の使用。
- 親油性材料が、フッ素化有機シラン化合物(複数可)ベースの材料であることを特徴とする、請求項1から3のいずれか一項に記載の使用。
- 堆積されるナノ粒子が、金属、ケイ素、シリカ、ポリマーおよび/または炭素のナノ粒子から選択されること、ならびに、堆積されるナノチューブが、カーボンナノチューブであることを特徴とする、請求項1から4のいずれか一項に記載の使用。
- 高い摩擦および著しい磨耗に曝されることが意図される部品の潤滑性を改善するために、
a)前記部品の少なくとも1つの表面上に、窒化チタン(TiN)、窒化クロム(CrN)、炭化チタン(TiC)、炭化クロム(CrC)、炭化タングステン(W2C)、および炭化タングステン/炭素(WC/C)複合材、アルミナ(Al2O3)、硫化モリブデン(MoS2)、ならびに水素化非晶質炭素型(a:CH)の材料から選択される硬質材料で作製された層(2)を堆積させるステップと、
b)テクスチャ加工された層(3)を得るために、ステップa)において得られた層(2)にレリーフおよびピットの連続を形成するステップと、
b1)ナノ粒子および/またはナノチューブをテクスチャ加工された層(3)上に堆積させるステップと、
b2)ステップb1)において得られた層の上面を研磨するステップと、
c)ステップb)において得られた層(3)上に、親油性材料で作製された層(4)を堆積させるステップと
により得られるコーティングの使用。 - テクスチャ加工された層(3)が、水素化非晶質炭素で作製されることを特徴とする、請求項6に記載の使用。
- 層(4)を構成する親油性材料が、SiOxベースの材料であることを特徴とする、請求項6または7に記載の使用。
- 層(4)を構成する親油性材料が、フッ素化有機シラン化合物(複数可)ベースの材料であることを特徴とする、請求項6から8のいずれか一項に記載の使用。
- ステップb1)において堆積されるナノ粒子が、金属、ケイ素、シリカ、ポリマーおよび/または炭素のナノ粒子から選択されること、ならびに、ステップb1)において堆積されるナノチューブが、カーボンナノチューブであることを特徴とする、請求項6から9のいずれか一項に記載の使用。
- 著しい磨耗および高い摩擦に曝されることが意図される部品の潤滑性を改善するための方法であって、
a)部品(1)の少なくとも1つの表面上に、窒化チタン(TiN)、窒化クロム(CrN)、炭化チタン(TiC)、炭化クロム(CrC)、炭化タングステン(W2C)、および炭化タングステン/炭素(WC/C)複合材、アルミナ(Al2O3)、硫化モリブデン(MoS2)、ならびに水素化非晶質炭素型(a:CH)の材料から選択される硬質材料で作製された層(2)を堆積させるステップと、
b)テクスチャ加工された層(3)を得るために、層(2)の自由表面にレリーフおよびピットの連続を形成するステップと、
b1)ナノ粒子および/またはナノチューブをテクスチャ加工された層(3)上に堆積させるステップと、
b2)ステップb1)において得られた層の上面を研磨するステップと、
c)層(3)上に、親油性材料で作製された層(4)を堆積させるステップと
を含む方法。 - 層(2)を構成する硬質材料が、水素化非晶質炭素であることを特徴とする、請求項11に記載の方法。
- 親油性材料が、SiOxベースの材料であることを特徴とする、請求項11または12に記載の方法。
- 親油性材料が、フッ素化有機シラン化合物(複数可)ベースの材料であることを特徴とする、請求項11から13のいずれか一項に記載の方法。
- ステップb1)において堆積されるナノ粒子が、金属、ケイ素、シリカ、ポリマーおよび/または炭素のナノ粒子から選択されること、ならびに、ステップb1)において堆積されるナノチューブが、カーボンナノチューブであることを特徴とする、請求項11から14のいずれか一項に記載の方法。
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FR0804403 | 2008-08-01 | ||
PCT/FR2009/000850 WO2010012879A1 (fr) | 2008-08-01 | 2009-07-09 | Procede d'utilisation d'une couche mince supraglissante caracterise par son procede d'obtention |
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WO2014115792A1 (ja) * | 2013-01-26 | 2014-07-31 | 株式会社 ジャパンナノコート | 透明導電性薄膜形成用分散液及び透明導電性薄膜付き基材 |
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US10094425B2 (en) * | 2014-05-21 | 2018-10-09 | Koninklijke Philips N.V. | Hydrodynamic bearing, and X-ray tube, and X-ray system, and a method for manufacturing a hydrodynamic bearing, |
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WO2016172561A1 (en) * | 2015-04-24 | 2016-10-27 | The Penn State Research Foundation | Slippery rough surfaces |
GB201518826D0 (en) * | 2015-10-23 | 2015-12-09 | Ucl Business Plc | Composite particles, coatings and coated articles |
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US20110192521A1 (en) | 2011-08-11 |
KR20110048545A (ko) | 2011-05-11 |
EP2334443A1 (fr) | 2011-06-22 |
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