JP5776125B2 - 表面被覆焼結体 - Google Patents
表面被覆焼結体 Download PDFInfo
- Publication number
- JP5776125B2 JP5776125B2 JP2012545638A JP2012545638A JP5776125B2 JP 5776125 B2 JP5776125 B2 JP 5776125B2 JP 2012545638 A JP2012545638 A JP 2012545638A JP 2012545638 A JP2012545638 A JP 2012545638A JP 5776125 B2 JP5776125 B2 JP 5776125B2
- Authority
- JP
- Japan
- Prior art keywords
- sintered body
- boron nitride
- cubic boron
- adhesion layer
- coating layer
- 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.)
- Active
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- 239000010410 layer Substances 0.000 claims description 296
- 229910052582 BN Inorganic materials 0.000 claims description 229
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 229
- 239000011247 coating layer Substances 0.000 claims description 162
- 239000002245 particle Substances 0.000 claims description 98
- 238000005520 cutting process Methods 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 51
- 239000002345 surface coating layer Substances 0.000 claims description 36
- 239000011230 binding agent Substances 0.000 claims description 35
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 29
- 239000011882 ultra-fine particle Substances 0.000 claims description 24
- 239000013078 crystal Substances 0.000 claims description 23
- 229910052719 titanium Inorganic materials 0.000 claims description 22
- 238000005304 joining Methods 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 229910052804 chromium Inorganic materials 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- 239000006104 solid solution Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052796 boron Inorganic materials 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910010037 TiAlN Inorganic materials 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- 229910008482 TiSiN Inorganic materials 0.000 claims description 4
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 70
- 238000004544 sputter deposition Methods 0.000 description 42
- 230000008020 evaporation Effects 0.000 description 34
- 238000001704 evaporation Methods 0.000 description 34
- 239000000758 substrate Substances 0.000 description 34
- 238000010891 electric arc Methods 0.000 description 32
- 239000000843 powder Substances 0.000 description 29
- 150000002500 ions Chemical class 0.000 description 28
- 230000015572 biosynthetic process Effects 0.000 description 23
- 238000007733 ion plating Methods 0.000 description 21
- 229910052721 tungsten Inorganic materials 0.000 description 21
- 239000011248 coating agent Substances 0.000 description 19
- 238000000576 coating method Methods 0.000 description 19
- 238000005530 etching Methods 0.000 description 18
- 238000005219 brazing Methods 0.000 description 15
- 239000002994 raw material Substances 0.000 description 15
- 239000000956 alloy Substances 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 14
- 238000005245 sintering Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- -1 etc.) Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- UWNXGZKSIKQKAH-UHFFFAOYSA-N Cc1cc(CNC(CO)C(O)=O)c(OCc2cccc(c2)C#N)cc1OCc1cccc(c1C)-c1ccc2OCCOc2c1 Chemical compound Cc1cc(CNC(CO)C(O)=O)c(OCc2cccc(c2)C#N)cc1OCc1cccc(c1C)-c1ccc2OCCOc2c1 UWNXGZKSIKQKAH-UHFFFAOYSA-N 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 238000010884 ion-beam technique Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 3
- 229910008947 W—Co Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000001883 metal evaporation Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 229910010038 TiAl Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002003 electron diffraction Methods 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 238000001198 high resolution scanning electron microscopy Methods 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000851 scanning transmission electron micrograph Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
-
- 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
-
- 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
- B23B27/18—Cutting tools of which the bits or tips or cutting inserts are of special material with cutting bits or tips or cutting inserts rigidly mounted, e.g. by brazing
- B23B27/20—Cutting tools of which the bits or tips or cutting inserts are of special material with cutting bits or tips or cutting inserts rigidly mounted, e.g. by brazing with diamond bits or cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/90—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being a metal
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- 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
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
- C23C14/022—Cleaning or etching treatments by means of bombardment with energetic particles or radiation
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- 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
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
- C23C14/025—Metallic sublayers
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0664—Carbonitrides
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
- C23C14/325—Electric arc evaporation
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
- C23C14/548—Controlling the composition
-
- 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
- C23C14/58—After-treatment
- C23C14/5873—Removal of 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
- 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
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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
- C23C28/04—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
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- C—CHEMISTRY; METALLURGY
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Description
<表面被覆焼結体>
本発明の表面被覆焼結体は、立方晶窒化硼素焼結体とその表面に形成された表面被覆層とを含む。本発明の表面被覆焼結体において、表面被覆層は、立方晶窒化硼素焼結体の全表面を覆うように形成されていてもよいし、その一部の表面のみを覆うようにして形成されていてもよい。特に、後述のように、この表面被覆焼結体を基材に接合して用いる場合は、その基材との接合部に表面被覆層を形成する必要はない。
本発明の立方晶窒化硼素焼結体は、20〜99.5体積%の立方晶窒化硼素と、結合材とを含む。本発明の立方晶窒化硼素焼結体は、これら2成分を含む限り、不可避不純物を含め他の任意の成分を含んでいても差し支えない。
組成1:元素周期律表のIVa族元素、Va族元素、VIa族元素、Al、およびSiからなる群より選ばれる少なくとも1種の元素と、硼素、炭素、窒素および酸素からなる群より選ばれる少なくとも1種の元素とからなる化合物。
組成2:上記化合物を含む固溶体。
組成3:Co、W、Ni、Al等の金属単体。
組成4:Co、W、Ni、Al等を含む化合物。
組成5:上記組成1の化合物とCo、W、Ni、Al等とを含む固溶体。
組成6:上記組成1の化合物に対しさらにCo、W、Ni、Al等を含む化合物。
本発明の表面被覆層は、密着層と1層以上の硬質被膜層とを含む。これらの層を含む限り、他の任意の層が含まれていても差し支えない。
本発明の密着層は、少なくともWを含む金属層であり、該立方晶窒化硼素焼結体の表面の一部を被覆するように形成される。そして、本発明においては、立方晶窒化硼素焼結体の表面において密着層または硬質被膜層と接する立方晶窒化硼素粒子の総数に対して、密着層と接する立方晶窒化硼素粒子の割合が0.01〜20%であることを特徴とする。この割合は、さらに好ましくは、0.02〜1%である。このように本発明の密着層を上記のような構成とすることにより、耐熱性、強度、および靭性を高度に兼ね備え、以って立方晶窒化硼素焼結体と表面被覆層とを極めて強力に密着することができるという優れた効果を示す。
本発明の密着層は、アモルファス状態であるかまたは平均粒径が5nm以下の超微粒子により構成されることが好ましい。そして、本発明の密着層は、これら両者の混合相となることがより好ましい。
本発明の密着層は、Wを0.05〜95原子%含むことが好ましい。Wを含むことにより、上記のように優れた効果を得ることができるからである。ここで、Wの含有量が0.05原子%未満の場合は、上記の優れた効果を十分に得られない場合がある。また、Wの効果は、わずかな異元素の混入により促進されるため、95原子%以下とすることが好ましい。ここで異元素とは、酸素、炭素、窒素、硼素などの軽元素、IVa族元素、Va族元素、VIa族元素などの遷移金属、Co、Fe、Niなどの鉄族金属、Y、Al、Siなどを挙げることができる。なお、Wの含有量が95原子%を超えるとWが結晶化し、粗粒化しやすいという不都合を有する場合がある。Wのより好ましい含有量は、5〜70原子%である。
上記密着層は、0.5〜30nmの厚みを有することが好ましい。密着層の厚みをこの範囲とすることにより、密着層自体の強度が高く、また立方晶窒化硼素および硬質被膜層の両者に対して高い密着性(親和性)を有したものとなる。より好ましくは、2〜20nmである。
本発明の表面被覆層は、1層以上の硬質被膜層を含み、当該硬質被膜層は、立方晶窒化硼素焼結体(の密着層が形成されていない部分)および密着層を被覆するように形成される。そして、この硬質被膜層は、−1.5〜+0.5GPaの応力を有することが好ましい。より好ましくは、−1〜0GPaである。
本発明の硬質被膜層は、立方晶窒化硼素焼結体および密着層と接する最下層として第1被膜層を含み、該第1被膜層は、元素周期律表のIVa族元素(Ti、Zr、Hf等)、Va族元素(V、Nb、Ta等)、VIa族元素(Cr、Mo、W等)、Al、およびSiからなる群より選ばれる少なくとも1種の元素と、硼素、炭素、窒素および酸素からなる群より選ばれる少なくとも1種の元素とからなる化合物で構成されることが好ましい。このような化合物としては、たとえばTiN、TiCN、TiB2、TiAlN、AlCrN、TiSiN等を挙げることができる。なお、本発明において、化合物をTiCN等の化学式で表わす場合、特に断りのない限り従来公知のあらゆる原子比を含むものとし、TiとCとNの原子比が1:1:1の場合を示すものではない。
本発明の表面被覆焼結体は、それ単独で用いることも可能であるが、たとえば超硬合金等で構成される基材に接合することにより、切削工具等として用いることができる。特に、本発明は、表面被覆焼結体を超硬合金製の基材の刃先部に接合してなる切削工具としての使用に適したものである。
<製造方法>
本発明の立方晶窒化硼素焼結体は、超高圧焼結法等の従来公知の製法により得ることができる。また、表面被覆層は、たとえば下記のようにして立方晶窒化硼素焼結体上に形成することができる。
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例101〜109>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例301〜307>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例401〜409>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例501〜507>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例601〜605および比較例601〜602>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例801〜807>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例901〜906>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例1001>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例1002>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<実施例1003>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<比較例1001>
超硬合金製の基材の刃先部に表面被覆焼結体を接合することにより切削工具を作製した。
<測定条件>
上記の実施例および比較例における数値は以下のようにして測定した。
密着層の厚み、組成、結晶性および超微粒子の平均粒径を含む状態評価(組織評価)は、次のようにして測定した。すなわち、まず立方晶窒化硼素焼結体と表面被覆層とを含む一断面をFIB(Focused Ion Beam)法により形成した。次いで、その断面において、立方晶窒化硼素焼結体と密着層との界面を走査透過型電子顕微鏡(STEM)/エネルギ分散型X線分光分析(EDS)により観察した。
立方晶窒化硼素焼結体の表面における、密着層または硬質被膜層と接する立方晶窒化硼素粒子の総数に対する、密着層と接する立方晶窒化硼素粒子の割合は次のようにして測定した。
上記で得た実施例および比較例の切削工具を用いて以下の切削条件により切削試験を2種行なった。切削試験Aは硬質被膜層の密着性、耐摩耗性とチッピングの集積による欠損を主に評価でき、切削試験Bは硬質被膜層の密着性、耐摩耗性とともに比較的大きな欠けによる耐欠損性を評価できる。両試験とも、逃げ面摩耗量(Vb)が0.2mmとなるまでに要する時間(切削時間)を工具寿命とし、時間が長くなるほど立方晶窒化硼素焼結体と表面被覆層との密着性が優れること(すなわち耐摩耗性と靭性の両者に優れること)を示す。その結果を表1〜11に示す。なお、表中、「剥離・欠損」とは、切削試験の途中で表面被覆層が剥離したり、切削工具が欠損し、切削時間を測定できなかったことを示す。
切削速度:V=170m/min.
送 り:f=0.1mm/rev.
切り込み:d=0.2mm
湿式乾式:乾式(Dry)
被削材 :SCM435浸炭材(HRC62)であって、1つの溝を有し、黒皮付きの丸棒。
切削速度:V=200m/min.
送 り:f=0.05mm/rev.
切り込み:d=0.2mm
湿式乾式:乾式(Dry)
被削材 :SUJ2(HRC60)であって、長手方向に6つの溝を有する丸棒。
Claims (11)
- 立方晶窒化硼素焼結体とその表面に形成された表面被覆層とを含み、
前記立方晶窒化硼素焼結体は、20〜99.5体積%の立方晶窒化硼素と、結合材とを含み、
前記表面被覆層は、密着層と1層以上の硬質被膜層とを含み、
前記密着層は、少なくともWを含む金属層であり、前記立方晶窒化硼素焼結体の表面の一部を被覆するように形成され、かつ
前記密着層は、TiまたはCrのいずれか一方または両方を、Wに対し原子比で0.1〜3含み、
前記硬質被膜層は、前記立方晶窒化硼素焼結体および前記密着層を被覆するように形成され、
前記立方晶窒化硼素焼結体の表面において前記密着層または前記硬質被膜層と接する立方晶窒化硼素粒子の総数に対して、前記密着層と接する立方晶窒化硼素粒子の割合が0.01〜20%である、表面被覆焼結体。 - 立方晶窒化硼素焼結体とその表面に形成された表面被覆層とを含み、
前記立方晶窒化硼素焼結体は、20〜99.5体積%の立方晶窒化硼素と、結合材とを含み、
前記表面被覆層は、密着層と1層以上の硬質被膜層とを含み、
前記密着層は、少なくともWを含む金属層であり、前記立方晶窒化硼素焼結体の表面の一部を被覆するように形成され、かつ
前記密着層は、Co、Ni、およびFeからなる群より選ばれる少なくとも1種の元素を、0.1〜20原子%含み、
前記硬質被膜層は、前記立方晶窒化硼素焼結体および前記密着層を被覆するように形成され、
前記立方晶窒化硼素焼結体の表面において前記密着層または前記硬質被膜層と接する立方晶窒化硼素粒子の総数に対して、前記密着層と接する立方晶窒化硼素粒子の割合が0.01〜20%である、表面被覆焼結体。 - 前記密着層は、アモルファス状態であるかまたは平均粒径が5nm以下の超微粒子により構成される、請求項1または請求項2に記載の表面被覆焼結体。
- 前記密着層は、Wを5〜70原子%含む、請求項1または請求項2に記載の表面被覆焼結体。
- 前記密着層は、0.5〜30nmの厚みを有する、請求項1または請求項2に記載の表面被覆焼結体。
- 前記硬質被膜層は、−1.5〜+0.5GPaの応力を有する、請求項1または請求項2に記載の表面被覆焼結体。
- 前記硬質被膜層は、前記立方晶窒化硼素焼結体および前記密着層と接する最下層として第1被膜層を含み、
前記第1被膜層は、元素周期律表のIVa族元素、Va族元素、VIa族元素、Al、およびSiからなる群より選ばれる少なくとも1種の元素と、硼素、炭素、窒素および酸素からなる群より選ばれる少なくとも1種の元素とからなる化合物で構成される、請求項1または請求項2に記載の表面被覆焼結体。 - 前記第1被膜層は、TiAlN、AlCrNおよびTiSiNからなる群より選ばれる少なくとも1種の化合物またはその化合物を含む固溶体で構成されるか、あるいは前記化合物または前記固溶体を構成層とする超多層積層体で構成される、請求項7記載の表面被覆焼結体。
- 前記第1被膜層は、前記密着層との界面から20nm以内の領域が1〜20nmの粒径の柱状晶で構成されている、請求項7記載の表面被覆焼結体。
- 前記硬質被膜層は、0.5〜20μmの厚みを有する、請求項1または請求項2に記載の表面被覆焼結体。
- 請求項1または請求項2に記載の表面被覆焼結体を超硬合金製の基材の刃先部に接合してなる、切削工具。
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JP6016269B2 (ja) * | 2013-03-29 | 2016-10-26 | 住友電工ハードメタル株式会社 | 表面被覆窒化硼素焼結体工具 |
JP6016271B2 (ja) * | 2013-03-29 | 2016-10-26 | 住友電工ハードメタル株式会社 | 表面被覆窒化硼素焼結体工具 |
JP6016270B2 (ja) * | 2013-03-29 | 2016-10-26 | 住友電工ハードメタル株式会社 | 表面被覆窒化硼素焼結体工具 |
DE102013011073A1 (de) * | 2013-07-03 | 2015-01-08 | Oerlikon Trading Ag, Trübbach | TlxSi1-xN Schichten und ihre Herstellung |
KR102178189B1 (ko) | 2013-07-03 | 2020-11-13 | 외를리콘 서피스 솔루션즈 아게, 페피콘 | TixSi1-xN 층 및 그의 생산 |
JP6604136B2 (ja) * | 2015-10-20 | 2019-11-13 | 三菱マテリアル株式会社 | 硬質被覆層がすぐれた耐欠損性と耐摩耗性を備える表面被覆切削工具およびその製造方法 |
CN108778583B (zh) * | 2016-03-30 | 2020-11-06 | 住友电工硬质合金株式会社 | 表面被覆立方氮化硼烧结体以及包括该烧结体的切削工具 |
JP7065424B2 (ja) * | 2016-11-28 | 2022-05-12 | パナソニックIpマネジメント株式会社 | 鉄系焼結体の基材の表面に形成される酸化被膜、およびこの酸化被膜を形成した摺動部材、並びに、この摺動部材を備える機器 |
EP3613716B1 (de) * | 2018-08-21 | 2020-07-29 | Refractory Intellectual Property GmbH & Co. KG | Feuerfestes erzeugnis, ein versatz zur herstellung des erzeugnisses, ein verfahren zur herstellung des erzeugnisses sowie eine verwendung des erzeugnisses |
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JP7346751B1 (ja) * | 2022-03-08 | 2023-09-19 | 住友電工ハードメタル株式会社 | 立方晶窒化硼素焼結体 |
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