KR101218176B1 - 표면 강성 제어를 통한 내마모성 코팅 구조 및 그 제조방법 - Google Patents
표면 강성 제어를 통한 내마모성 코팅 구조 및 그 제조방법 Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 53
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- 238000005299 abrasion Methods 0.000 title claims description 4
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 74
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 73
- 239000010409 thin film Substances 0.000 claims description 29
- 239000010702 perfluoropolyether Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 230000003746 surface roughness Effects 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000008021 deposition Effects 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
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- 238000001035 drying Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 15
- 229910052710 silicon Inorganic materials 0.000 description 15
- 239000010703 silicon Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 5
- 239000007779 soft material Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000011651 chromium Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/343—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one DLC or an amorphous carbon based layer, the layer being doped or not
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/347—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with layers adapted for cutting tools or wear applications
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Abstract
Description
도 2 - 메쉬구조의 탄소나노튜브 층(5) 표면의 전자현미경 사진
도 3 - 메쉬구조의 탄소나노튜브 층(5) 측면의 전자현미경 사진
도 4a - 실리콘 웨이퍼 시편의 마찰 데이터
도 4b - 실리콘 웨이퍼에 나노유기박막(PFPE)가 코팅된 시편의 마찰 데이터
도 5a - 탄소나노튜브를 3회 코팅한 실리콘 웨이퍼 시편의 마찰 데이터
도 5b - 탄소나노튜브 3회 코팅과 나노유기박막(PFPE) 코팅이 조합된 실리콘 웨이퍼 시편의 마찰 데이터
도 6a - 탄소나노튜브를 8회 코팅한 실리콘 웨이퍼 시편의 마찰 데이터
도 6b - 탄소나노튜브 8회 코팅과 나노유기박막(PFPE) 코팅이 조합된 실리콘 웨이퍼 시편의 마찰 데이터
도 7 - 다양한 종류의 시편에 대한 마찰계수 데이터
도 8a, 8b - CVD 방법으로 증착된 CNT 코팅에 3시간 동안 4 mgf 하중을 준 후에 코팅 상에 나타난 마모흔적을 보여주는 사진 및 그래프
CNT 코팅 없음 | 3회 CNT 코팅 | 8회 CNT 코팅 | |
PFPE 없음 | 0.28 | 0.12 | 0.06 |
PFPE 코팅 | 0.27 | 0.08 | 0.06 |
A | B | C | D | E | F | |
티타늄이 코팅된 실리콘웨이퍼 |
CVD 방법으로 제조된 CNT 코팅 |
CNT가 5회 코팅된 실리콘웨이퍼 |
PFPE와 CNT가 5회 코팅된 실리콘웨이퍼 |
5㎛두께로 코팅된 CNT에 타타늄을 코팅한 실리콘웨이퍼 |
5㎛두께로 CNT가 코팅된 실리콘웨이퍼 |
|
마찰 계수 |
0.59 |
0.51 |
0.17 |
0.15 |
0.12 |
0.1 |
Claims (15)
- 접촉압력을 저감하여 접촉면의 마모를 최소화하기 위하여, 메쉬(mesh) 구조의 탄소나노튜브(carbon nanotube) 층이 접촉면에 형성되어,
상기 메쉬 구조의 탄소나노튜층이 외부 압력에 유연하게 변형됨으로써 접촉면의 접촉압력을 낮추고 걸림현상에 의한 연삭마모를 저감시키며,
상기 탄소나노튜브 층의 두께가 100nm ~ 5㎛ 인 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 삭제
- 제1항에 있어서, 표면 조도를 낮추고 탄소나노튜브가 접촉면으로부터 떨어져나가는 것을 방지하기 위하여, 상기 탄소나노튜브 층 위에 나노 금속층이 추가로 코팅되는 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 제3항에 있어서, 상기 금속층이 Ag, Ti, Ni 또는 Cu로 이루어진 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 제1항에 있어서, 표면 조도를 낮추고 탄소나노튜브가 접촉면으로부터 떨어져나가는 것을 방지하기 위하여, 상기 탄소나노튜브 층 위에 고경도 세라믹 나노박막층이 추가로 코팅된 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 제5항에 있어서, 상기 고경도 세라믹 나노박막층이 DLC(diamond like carbon) 또는 c-BN(cubic boron nitrid)으로 이루어진 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 제3항 내지 제6항 중 어느 한 항에 있어서, 상기 금속층 또는 세라믹 나노박막층의 두께가 10nm ~ 100 nm인 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 제1항에 있어서, 낮은 표면에너지와 마찰력을 구현하기 위하여, 상기 탄소나노튜브 층 위에 나노 유기박막층이 추가로 코팅된 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 제8항에 있어서, 상기 나노 유기박막층이 PFPE(perfluoropolyether)로 이루어진 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 구조.
- 접촉압력을 저감하여 접촉면의 마모를 최소화하기 위하여, 접촉면에 100nm ~ 5㎛ 두께의 메쉬(mesh) 구조의 탄소나노튜브(carbon nanotube) 층을 증착하여 상기 메쉬 구조의 탄소나노튜층이 외부 압력에 유연하게 변형됨으로써 접촉면의 접촉압력을 낮추고 걸림현상에 의한 연삭마모를 저감시키는 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 방법.
- 제10항에 있어서, 상기 탄소나노튜브층의 증착이 딥코팅(dip-coating)과 드라잉(drying)을 통하여 이루어지며, 상기 탄소나노튜브층의 두께가 탄소나노튜브 솔루션의 증발속도 및 시편이 솔루션에서 빠져나오는 속도를 조절함으로써 제어되는 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 방법.
- 제10항에 있어서, 상기 탄소나노튜브층의 증착 후, 표면 조도를 개선하기 위하여 표면의 이물질을 제거하는 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 방법.
- 제10항에 있어서, 상기 증착된 탄소나노튜브 층 위에 나노 금속층을 추가로 증착하는 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 방법.
- 제10항에 있어서, 상기 증착된 탄소나노튜브 층 위에 고경도 세라믹 나노박막층을 추가로 코팅하는 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 방법.
- 제10항에 있어서, 상기 증착된 탄소나노튜브 층 위에 나노 유기박막층을 추가로 코팅하는 것을 특징으로 하는 표면 강성 제어를 통한 내마모성 코팅 방법.
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JP2007091490A (ja) * | 2005-09-27 | 2007-04-12 | Nissin Kogyo Co Ltd | 多孔質材及びその製造方法 |
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JP2010137155A (ja) * | 2008-12-10 | 2010-06-24 | Toyota Motor Corp | 表面処理方法 |
JP2010189218A (ja) * | 2009-02-17 | 2010-09-02 | Ono Kogei Kk | 炭素繊維含有皮膜およびその製造方法 |
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KR101470320B1 (ko) * | 2013-01-17 | 2014-12-08 | 연세대학교 산학협력단 | 마찰 마모 저감을 위한 기능성 코팅 구조 및 그 방법 |
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