KR100305315B1 - 다이아몬드 막이 코팅된 절삭공구 및 그 제조방법 - Google Patents
다이아몬드 막이 코팅된 절삭공구 및 그 제조방법 Download PDFInfo
- Publication number
- KR100305315B1 KR100305315B1 KR1019990012546A KR19990012546A KR100305315B1 KR 100305315 B1 KR100305315 B1 KR 100305315B1 KR 1019990012546 A KR1019990012546 A KR 1019990012546A KR 19990012546 A KR19990012546 A KR 19990012546A KR 100305315 B1 KR100305315 B1 KR 100305315B1
- Authority
- KR
- South Korea
- Prior art keywords
- cemented carbide
- diamond film
- diamond
- base material
- cutting tool
- 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.)
- Expired - Lifetime
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- 239000010432 diamond Substances 0.000 title claims abstract description 121
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 120
- 238000005520 cutting process Methods 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 84
- 239000002245 particle Substances 0.000 claims abstract description 83
- 238000000034 method Methods 0.000 claims abstract description 73
- 230000012010 growth Effects 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000005261 decarburization Methods 0.000 claims abstract description 32
- 230000002159 abnormal effect Effects 0.000 claims abstract description 29
- 238000000151 deposition Methods 0.000 claims abstract description 21
- 238000003763 carbonization Methods 0.000 claims abstract description 20
- 239000012298 atmosphere Substances 0.000 claims description 38
- 239000001257 hydrogen Substances 0.000 claims description 33
- 229910052739 hydrogen Inorganic materials 0.000 claims description 33
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 230000001965 increasing effect Effects 0.000 abstract description 9
- 230000003746 surface roughness Effects 0.000 abstract description 6
- 208000006558 Dental Calculus Diseases 0.000 abstract description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 30
- 239000012071 phase Substances 0.000 description 25
- 238000000576 coating method Methods 0.000 description 22
- 239000011248 coating agent Substances 0.000 description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 20
- 229910052799 carbon Inorganic materials 0.000 description 13
- 230000008021 deposition Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 239000010953 base metal Substances 0.000 description 7
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- TWDJIKFUVRYBJF-UHFFFAOYSA-N Cyanthoate Chemical compound CCOP(=O)(OCC)SCC(=O)NC(C)(C)C#N TWDJIKFUVRYBJF-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000007373 indentation Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 150000001247 metal acetylides Chemical class 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910009043 WC-Co Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- -1 ferrous metals Chemical class 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 2
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004050 hot filament vapor deposition Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 238000002525 ultrasonication Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- AQSYHEKLGWEVDF-UHFFFAOYSA-N 1-n,3-n-bis[4-(4,5-dihydro-1h-imidazol-2-yl)phenyl]benzene-1,3-dicarboxamide;hydrochloride Chemical compound Cl.C=1C=CC(C(=O)NC=2C=CC(=CC=2)C=2NCCN=2)=CC=1C(=O)NC(C=C1)=CC=C1C1=NCCN1 AQSYHEKLGWEVDF-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- SKYGTJFKXUWZMD-UHFFFAOYSA-N ac1l2n4h Chemical compound [Co].[Co] SKYGTJFKXUWZMD-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 230000007773 growth pattern Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Chemical class 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- YGSFNCRAZOCNDJ-UHFFFAOYSA-N propan-2-one Chemical compound CC(C)=O.CC(C)=O YGSFNCRAZOCNDJ-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P5/00—Setting gems or the like on metal parts, e.g. diamonds on tools
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
- C23C14/044—Coating on selected surface areas, e.g. using masks using masks using masks to redistribute rather than totally prevent coating, e.g. producing thickness gradient
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0209—Pretreatment of the material to be coated by heating
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0254—Physical treatment to alter the texture of the surface, e.g. scratching or polishing
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
- C23C16/27—Diamond only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Chemical Vapour Deposition (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (11)
- 초경모재의 표면에 4~10μm크기의 입자로 이루어진 비정상입자성장층이 형성되어 있고, 그 비정상입자성장층의 외측면에 일정두께의 다이아몬드 막이 증착되어 있는 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구.
- 제 1항에 있어서, 상기 초경모재는 WC계, TiC계, TaC계 중 어느 하나인 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구.
- 제 2항에 있어서, WC계 모재의 경우에 Co의 함량은 16% 이내인 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구.
- 제 2항 또는 제3항에 있어서, 상기 WC계 모재의 경우에 타탄화물의 함량은 20% 이내인 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구.
- 제 1항에 있어서, 상기 다이아몬드 막의 두께는 10-100μm인 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구.
- 소정형상으로 초경모재를 가공한 다음, 그 가공된 초경모재의 표면에 다이아몬드 막을 증착하는 순서로 제조되는 절삭공구의 제조방법에 있어서, 상기와 같이 증착을 실시하기 전에 가공된 초경모재를 탈탄분위기에서 Co3W3C 조성의 η상이 될때까지 열처리하여 초경모재의 표면을 탈탄시키는 탈탄공정과, 그와 같이 표면이 탈탄된 초경모재를 탄화분위기에서 열처리하여 탈탄된 모재표면의 초경입자가 탄화되면서 4~10μm 크기로 비정상입자성장이 일어나도록 하는 탄화공정을 순차적으로 실시하는 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구의 제조방법.
- 제 6항에 있어서, 상기 초경모재는 비정상입자성장이 가능한 WC계, TiC계, TaC계의 모재중 어느 하나를 사용하는 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구의 제조방법.
- 제 7항에 있어서, 상기 WC계 모재의 경우에 Co의 함량은 16% 이내인 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구의 제조방법.
- 제 6항 또는 제7항에 있어서, 상기 WC계 모재의 경우에 타탄화물의 함량은 20% 이내인 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구의 제조방법.
- 제 6항에 있어서, 상기 다이아몬드 막의 두께는 10-100μm인 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구의 제조방법.
- 제 6항에 있어서, 상기 탈탄공정에서는 수소나 진공 또는 산소분위기를 이용하여 열처리하고, 탄화공정에서는 메탄과 같은 탄화수소분위기를 이용하여 열처리하는 것을 특징으로 하는 다이아몬드 막이 코팅된 절삭공구의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990012546A KR100305315B1 (ko) | 1999-04-09 | 1999-04-09 | 다이아몬드 막이 코팅된 절삭공구 및 그 제조방법 |
US09/459,026 US6365230B1 (en) | 1999-04-09 | 1999-12-10 | Method of manufacturing a diamond film coated cutting tool |
US10/008,028 US20020081433A1 (en) | 1999-04-09 | 2001-11-05 | Method of manufacturing a diamond film/coating cutting tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990012546A KR100305315B1 (ko) | 1999-04-09 | 1999-04-09 | 다이아몬드 막이 코팅된 절삭공구 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000065840A KR20000065840A (ko) | 2000-11-15 |
KR100305315B1 true KR100305315B1 (ko) | 2001-09-13 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990012546A Expired - Lifetime KR100305315B1 (ko) | 1999-04-09 | 1999-04-09 | 다이아몬드 막이 코팅된 절삭공구 및 그 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (2) | US6365230B1 (ko) |
KR (1) | KR100305315B1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9901992D0 (en) * | 1999-01-30 | 1999-03-17 | Brit Bit Limited | Apparatus and method for mitigating wear in downhole tools |
JP3439423B2 (ja) * | 2000-04-11 | 2003-08-25 | オーエスジー株式会社 | ダイヤモンド被膜除去方法およびダイヤモンド被覆部材の製造方法 |
US20020158305A1 (en) * | 2001-01-05 | 2002-10-31 | Sidharth Dalmia | Organic substrate having integrated passive components |
TW522504B (en) * | 2001-02-15 | 2003-03-01 | Ngk Insulators Ltd | Diamond-coated member |
US7017677B2 (en) * | 2002-07-24 | 2006-03-28 | Smith International, Inc. | Coarse carbide substrate cutting elements and method of forming the same |
US7407525B2 (en) * | 2001-12-14 | 2008-08-05 | Smith International, Inc. | Fracture and wear resistant compounds and down hole cutting tools |
US20050262774A1 (en) * | 2004-04-23 | 2005-12-01 | Eyre Ronald K | Low cobalt carbide polycrystalline diamond compacts, methods for forming the same, and bit bodies incorporating the same |
US20080282733A1 (en) * | 2007-04-23 | 2008-11-20 | Tolwani Ravi | Memory gemstones |
US8069937B2 (en) | 2009-02-26 | 2011-12-06 | Us Synthetic Corporation | Polycrystalline diamond compact including a cemented tungsten carbide substrate that is substantially free of tungsten carbide grains exhibiting abnormal grain growth and applications therefor |
KR20160142395A (ko) | 2014-06-20 | 2016-12-12 | 핼리버튼 에너지 서비시즈 인코퍼레이티드 | 레이저-침출된 다결정질 다이아몬드 및 레이저-침출 방법들 및 디바이스들 |
CN105887029A (zh) * | 2016-06-26 | 2016-08-24 | 苏州思创源博电子科技有限公司 | 一种具备氮钇锆硬质涂层钼合金板材的制备方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE68916207T3 (de) * | 1988-12-21 | 1999-11-25 | Mitsubishi Materials Corp., Tokio/Tokyo | Diamantbeschichtetes Werkzeug, Substrate dafür und Verfahren zu dessen Herstellung. |
SE9002136D0 (sv) * | 1990-06-15 | 1990-06-15 | Sandvik Ab | Cement carbide body for rock drilling, mineral cutting and highway engineering |
JP3191878B2 (ja) | 1991-02-21 | 2001-07-23 | 三菱マテリアル株式会社 | 気相合成ダイヤモンド被覆切削工具の製造法 |
US5236740A (en) | 1991-04-26 | 1993-08-17 | National Center For Manufacturing Sciences | Methods for coating adherent diamond films on cemented tungsten carbide substrates |
US5370944A (en) * | 1991-07-22 | 1994-12-06 | Sumitomo Electric Industries, Ltd. | Diamond-coated hard material and a process for the production thereof |
DE69332263T2 (de) | 1992-06-30 | 2003-08-07 | Sumitomo Electric Industries, Ltd. | Schneidwerkzeug unter Anwendung von aus der Dampfphase abgeschiedenem polykristallinem Diamant für die Schneidkante und Verfahren zu dessen Herstellung |
DE69330052T2 (de) * | 1992-12-08 | 2001-11-15 | Osaka Diamond Industrial Co., Sakai | Ultrahartes folienbeschichtetes material und dessen herstellung |
SE503038C2 (sv) | 1993-07-09 | 1996-03-11 | Sandvik Ab | Diamantbelagt skärande verktyg av hårdmetall eller keramik |
US5585176A (en) * | 1993-11-30 | 1996-12-17 | Kennametal Inc. | Diamond coated tools and wear parts |
CA2142649A1 (en) | 1994-03-01 | 1995-09-02 | Matthew A. Simpson | Cvd diamond cutting tools |
US5560839A (en) | 1994-06-27 | 1996-10-01 | Valenite Inc. | Methods of preparing cemented metal carbide substrates for deposition of adherent diamond coatings and products made therefrom |
US5635256A (en) | 1994-08-11 | 1997-06-03 | St. Gobain/Norton Industrial Ceramics Corporation | Method of making a diamond-coated composite body |
US5674620A (en) | 1994-08-11 | 1997-10-07 | Saint-Gobain/Norton Industrial Ceramics Corporation | Diamond-coated composite cutting tool and method of making |
US5596813A (en) | 1994-08-30 | 1997-01-28 | Saint Gobain/Norton Industrial Ceramics Corp. | Measuring instrument with diamond coated contacts |
US5643523A (en) | 1995-04-18 | 1997-07-01 | Saint-Gobain/Norton Industrial Ceramics Corp. | Method of manufacturing diamond-coated cutting tool inserts |
US5716170A (en) * | 1996-05-15 | 1998-02-10 | Kennametal Inc. | Diamond coated cutting member and method of making the same |
-
1999
- 1999-04-09 KR KR1019990012546A patent/KR100305315B1/ko not_active Expired - Lifetime
- 1999-12-10 US US09/459,026 patent/US6365230B1/en not_active Expired - Lifetime
-
2001
- 2001-11-05 US US10/008,028 patent/US20020081433A1/en not_active Abandoned
Also Published As
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US6365230B1 (en) | 2002-04-02 |
KR20000065840A (ko) | 2000-11-15 |
US20020081433A1 (en) | 2002-06-27 |
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