JP7431946B2 - 被覆工具 - Google Patents
被覆工具 Download PDFInfo
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- JP7431946B2 JP7431946B2 JP2022510577A JP2022510577A JP7431946B2 JP 7431946 B2 JP7431946 B2 JP 7431946B2 JP 2022510577 A JP2022510577 A JP 2022510577A JP 2022510577 A JP2022510577 A JP 2022510577A JP 7431946 B2 JP7431946 B2 JP 7431946B2
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- 239000010410 layer Substances 0.000 claims description 72
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 67
- 239000002245 particle Substances 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 42
- 238000000576 coating method Methods 0.000 claims description 42
- 239000002344 surface layer Substances 0.000 claims description 41
- 230000003628 erosive effect Effects 0.000 claims description 38
- 238000005520 cutting process Methods 0.000 claims description 31
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 28
- 239000000758 substrate Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 29
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 238000011156 evaluation Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 102200082816 rs34868397 Human genes 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000009694 cold isostatic pressing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/148—Composition of the cutting inserts
-
- 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
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/403—Oxides of aluminium, magnesium or beryllium
-
- 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
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/36—Carbonitrides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
-
- 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
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/32—Carbides
-
- 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
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/34—Nitrides
-
- 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
- C23C28/04—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 only coatings of inorganic non-metallic material
- C23C28/042—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 only coatings of inorganic non-metallic material including a refractory ceramic layer, e.g. refractory metal oxides, ZrO2, rare earth oxides
-
- 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
- C23C28/04—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 only coatings of inorganic non-metallic material
- C23C28/044—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 only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
-
- 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/04—Aluminium oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/28—Titanium carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/32—Titanium carbide nitride (TiCN)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/36—Titanium nitride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/10—Coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/10—Coatings
- B23B2228/105—Coatings with specified thickness
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
以下、本開示の限定されない実施形態の被覆工具1について、図面を用いて詳細に説明する。ただし、以下で参照する各図では、説明の便宜上、実施形態を説明する上で必要な主要部材のみが簡略化して示される。したがって、被覆工具1は、参照する各図に示されていない任意の構成部材を備え得る。また、各図中の部材の寸法は、実際の構成部材の寸法および各部材の寸法比率などを忠実に表したものではない。
次に、本開示の限定されない実施形態の被覆工具の製造方法について、MSE試験において上記の評価結果を有する被覆工具1を製造する場合を例に挙げて説明する。
図4に示す限定されない一例のように、本開示の限定されない実施形態の切削工具101は、第1端102aから第2端102bに亘る長さを有し、第1端102a側に位置するポケット103を有するホルダ102と、ポケット103に位置する被覆工具1と、を有していてもよい。なお、図4では、被覆工具1が貫通孔を有し、この貫通孔を介して被覆工具1をポケット103にネジ104で固定した場合を例示している。
<被覆工具の作製>
まず、基体を作製した。具体的には、平均粒径1.2μmのWC粉末に対して、平均粒径1.5μmの金属Co粉末を6質量%、TiC(炭化チタン)粉末を2.0質量%、Cr3C2(炭化クロム)粉末を0.2質量%の比率で添加して混合し、プレス成形により切削工具形状(CNMG120408)に成形し、成形体を得た。得られた成形体に脱バインダ処理を施し、0.5~100Paの真空中、1400℃で1時間焼成し、超硬合金からなる基体を作製した。作製した基体のすくい面(第1面)の側に、ブラシ加工で刃先処理(Rホーニング)を施した。
AlCl3ガス:4.0体積%
HClガス:2.0体積%
CO2ガス:4.0体積%
H2Sガス:0.3体積%
H2ガス:残部
温度:1000℃
圧力:5kPa
時間:240分
厚み:4.0μm
得られた被覆工具について、エロージョン率を測定した。測定方法を以下に示すとともに、結果を表2に示す。
被覆膜の表面に対して直角の方向から、液体AまたはBを100m/sの速さで衝突させ、第1および第2エロージョン率(μm/分)をそれぞれ測定した。なお、エロージョン率の測定には、株式会社パルメソ製のMSE試験機「MSE-Al2O3」を用いた。不定形のAl2O3粒子は、平均粒径が1.2μmであるパルメソ社製の「MSE-GA-1-3」を用いた。球形のAl2O3粒子は、平均粒径が3.0μmであるパルメソ社製の「MSE-BA-3-3」を用いた。
また、得られた被覆工具について、切削評価を行い作製した被覆工具の耐摩耗性および耐欠損性を評価した。評価条件を以下に示す。また、評価結果を表2に示す。
加工方法:旋削
被削材 :S45C 丸棒
切削速度:200m/min
切込み :1.5mm
送り :0.3mm/rev
加工状態:湿式
判断方法:逃げ面の摩耗幅が0.3mmに達したときの切削時間で評価
加工方法:旋削
被削材 :S45C 16本溝入丸棒
切削速度:100m/min
切込み :1.0mm
送り :0.3mm/rev
加工状態:湿式
判断方法:刃先が欠損するまでにかかった切削時間で評価
2・・・基体
3・・・被覆膜
4・・・表面
5・・・第1面
6・・・第2面
7・・・切刃
8・・・Al2O3層
9・・・表面層
10・・・第1表面
11・・・第2表面
101・・・切削工具
102・・・ホルダ
102a・・第1端
102b・・第2端
103・・・ポケット
104・・・ネジ
Claims (4)
- 基体と、該基体の上に位置する被覆膜とを有する被覆工具であって、
前記被覆膜は、
Al2O3層と、
該Al2O3層の前記基体から離れた側の第1表面から、前記被覆膜の表面である第2表面までの位置に位置する表面層と、を有し、
該表面層は、
純水に対して、平均粒径が1.1~1.3μmの不定形のAl2O3粒子を3質量%分散した液体Aを98~102m/sの速度で前記表面層に衝突させて測定して得られる第1エロージョン率が、0.1μm/分以下であり、
純水に対して、平均粒径が2.8~3.2μmの球形のAl2O3粒子を3質量%分散した液体Bを前記速度で前記表面層に衝突させて測定して得られる第2エロージョン率が、2.0μm/分以上であり、
前記表面層は、前記Al 2 O 3 層側から順に、TiN層、TiC層、TiCN層を有する、被覆工具。 - 基体と、該基体の上に位置する被覆膜とを有する被覆工具であって、
前記被覆膜は、
Al 2 O 3 層と、
該Al 2 O 3 層の前記基体から離れた側の第1表面から、前記被覆膜の表面である第2表面までの位置に位置する表面層と、を有し、
該表面層は、
純水に対して、平均粒径が1.1~1.3μmの不定形のAl 2 O 3 粒子を3質量%分散した液体Aを98~102m/sの速度で前記表面層に衝突させて測定して得られる第1エロージョン率が、0.1μm/分以下であり、
純水に対して、平均粒径が2.8~3.2μmの球形のAl 2 O 3 粒子を3質量%分散した液体Bを前記速度で前記表面層に衝突させて測定して得られる第2エロージョン率が、2.0μm/分以上であり、
前記表面層は、前記Al 2 O 3 層側から順に、
TiCN層、TiN層、TiC層、TiCN層を有するか、
TiN層、TiC層、TiN層を有するか、
TiN層、TiCN層、TiC層を有するか、または、
TiN層、TiC層を有する、被覆工具。 - 前記表面層は、TiとCとNとを有するTiCN層を有し、
該TiCN層におけるN/(C+N)は、0.7以上である、請求項1に記載の被覆工具。 - 第1端から第2端に亘る長さを有し、前記第1端側に位置するポケットを有するホルダと、
前記ポケットに位置する請求項1~3のいずれかに記載の被覆工具と、を有する切削工具。
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WO2000079022A1 (fr) | 1999-06-21 | 2000-12-28 | Sumitomo Electric Industries, Ltd. | Alliage dur enrobé |
JP2003145311A (ja) | 2001-11-12 | 2003-05-20 | Mitsubishi Materials Corp | 高速断続切削で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆超硬合金製切削工具 |
JP2018059146A (ja) | 2016-10-04 | 2018-04-12 | 株式会社神戸製鋼所 | 硬質皮膜、硬質皮膜被覆部材及び硬質皮膜の製造方法 |
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JP6699056B2 (ja) | 2016-06-14 | 2020-05-27 | 住友電工ハードメタル株式会社 | 表面被覆切削工具 |
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WO2000079022A1 (fr) | 1999-06-21 | 2000-12-28 | Sumitomo Electric Industries, Ltd. | Alliage dur enrobé |
JP2003145311A (ja) | 2001-11-12 | 2003-05-20 | Mitsubishi Materials Corp | 高速断続切削で硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆超硬合金製切削工具 |
JP2018059146A (ja) | 2016-10-04 | 2018-04-12 | 株式会社神戸製鋼所 | 硬質皮膜、硬質皮膜被覆部材及び硬質皮膜の製造方法 |
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