JP6273161B2 - 耐摩耗性に優れた積層皮膜 - Google Patents
耐摩耗性に優れた積層皮膜 Download PDFInfo
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- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C—CHEMISTRY; METALLURGY
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C23C14/24—Vacuum evaporation
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- 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
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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
- 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
- C23C16/38—Borides
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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
- C23C28/042—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
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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
- 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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- 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
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
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- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
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- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physical Vapour Deposition (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Laminated Bodies (AREA)
- Drilling Tools (AREA)
Description
[皮膜Q]
組成式がTi1−a−b−cBaCbNc(但し、a、b、cはそれぞれB、C、Nの原子比を示す)であり、0.2≦a≦0.7、0≦b≦0.35、0≦c≦0.35及び(1−a−b−c)≧0.3を満たす皮膜。
[皮膜R]
組成式がL(BxCyN1−x−y)(但し、Lは、MoおよびVよりなる群から選択される1種以上の元素であり、x,yはそれぞれB、Cの原子比を示す)であり、
0≦x≦0.15、および
0≦y≦0.5を満たす皮膜。
[皮膜Q]
組成式がTi1-a-b-cBaCbNc(但し、a、b、cはそれぞれB、C、Nの原子比を示す)であり、0.2≦a≦0.7、0≦b≦0.35、および0≦c≦0.35を満たす皮膜;
組成式がSi1-d-eCdNe(但し、d、eはそれぞれC、Nの原子比を示す)であり、0.2≦d≦0.50、および0≦e≦0.3を満たす皮膜;ならびに、
組成式がB1-f-gCfNg(但し、f、gはそれぞれC、Nの原子比を示す)であり、0.03≦f≦0.25、および0≦g≦0.5を満たす皮膜;
よりなる群から選択される1種以上の皮膜。
[皮膜R]
組成式がL(BxCyN1-x-y)(但し、Lは、W、MoおよびVよりなる群から選択される1種以上の元素であり、x,yはそれぞれB、Cの原子比を示す)であり、
0≦x≦0.15、および
0≦y≦0.5を満たす皮膜。
まず皮膜Qとして、組成式がTi1-a-b-cBaCbNcである皮膜(皮膜Q1)が挙げられる。皮膜Q1は、TiB2(Ti0.33B0.67)からなる皮膜の他、該皮膜中にCやNを含み、高硬度を発揮するTi−N結合、Ti−C結合、B−C結合、または潤滑性を示すB−N結合を有する耐摩耗性のより高い皮膜でもよい。上記CやNを含有させる場合、C量(b)は、0.05以上であることが好ましく、より好ましくは0.10以上、更に好ましくは0.15以上である。またN量(c)は、0.05以上であることが好ましく、より好ましくは0.10以上である。しかしC、N共に過度に含まれると、硬さの低下、すなわち耐摩耗性の低下を招く。よって、C量とN量の上限はいずれも0.35である。C量の上限は、好ましくは0.20以下である。N量の上限は、好ましくは0.15以下である。
皮膜Rは、摺動下において潤滑性の酸化物を形成するL(以下、「元素L」という)、具体的には、W、MoおよびVよりなる群から選択される1種以上の元素を含む。前記元素LとしてVが最も低温で潤滑性酸化物を形成するため好ましい。
前記皮膜Qおよび皮膜Rの各機能を発揮させるには、各皮膜が一定以上の厚さを有し、独立した積層状態で存在する必要がある。よって、皮膜Q、皮膜Rの各々の膜厚(本発明において、この「膜厚」は、1層の膜厚(厚さ)を示し、積層皮膜の全膜厚(総厚さ)とは区別される)は、いずれも2nm以上とすることが好ましく、より好ましくは5nm以上、更に好ましくは10nm以上である。積層皮膜の全膜厚を例えば3μmとした場合、膜厚が1500nmの皮膜Qと、膜厚が1500nmの皮膜Rの2層構造の積層皮膜とすることもできる。しかし、皮膜Qによる高硬度化と皮膜Rによる潤滑膜の効果とを最大限に発揮させるには、積層皮膜が、皮膜Qと皮膜Rが各々2層以上交互に積層した構造を有していることが好ましい。この観点から、皮膜Qと皮膜Rの膜厚はいずれも100nm以下であることが好ましい。より好ましい上限はいずれも50nm以下、更に好ましい上限はいずれも30nm以下である。
本発明は、前記積層皮膜の形成方法まで規定するものではなく、該積層皮膜は、物理気相成長法(PVD法、Physical Vapor Deposition法)や化学気相成長法(CVD法、Chemical Vapor Deposition法)など公知の方法を用いて製造できる。基材との密着性確保等の観点から、前記PVD法を用いて製造することが好ましい。具体的には、スパッタリング法や真空蒸着法、イオンプレーティング法などが挙げられる。
実施例1では、皮膜Q、皮膜Rの各組成が種々の積層皮膜(皮膜Qと皮膜Rの各厚さは一定)を形成し、該組成が耐摩耗性に及ぼす影響について検討した。
上記切削工具表面に成膜したサンプルを用い、下記条件で切削試験を行った。この切削試験では、超硬ドリルが折損に至るまでの加工穴数を工具性能の指標とした。そして、前記「超硬ドリルが折損に至るまでの加工穴数」(切削可能穴数)が1500個以上の場合を耐摩耗性に優れると評価した。
[切削試験条件]
被削材:S50C(生材)
切削速度:100m/分
送り:0.24mm/回転
穴深さ:23mm
潤滑:外部給油、エマルジョン
評価指標:超硬ドリルが折損に至るまでの加工穴数
実施例2では、皮膜Qと皮膜Rの皮膜組成を一定とし、サンプルごとに皮膜Qと皮膜Rの各膜厚・積層回数が異なるが総厚さはほとんどの例で3000nmである皮膜を形成し、この皮膜Qと皮膜Rの各膜厚・積層回数が、切削性能に及ぼす影響について検討した。
Claims (2)
- 基材上に形成される積層皮膜であって、膜厚がいずれも10nm以上である下記の皮膜Qと皮膜Rが各々1層以上交互に積層されていることを特徴とする耐摩耗性に優れた積層皮膜。
[皮膜Q]
組成式がTi1−a−b−cBaCbNc(但し、a、b、cはそれぞれB、C、Nの原子比を示す)であり、0.2≦a≦0.7、0≦b≦0.35、0≦c≦0.35及び(1−a−b−c)≧0.3を満たす皮膜。
[皮膜R]
組成式がL(BxCyN1−x−y)(但し、Lは、MoおよびVよりなる群から選択される1種以上の元素であり、x,yはそれぞれB、Cの原子比を示す)であり、
0≦x≦0.15、および
0≦y≦0.5を満たす皮膜。 - 前記皮膜Qと前記皮膜Rの膜厚がいずれも100nm以下である請求項1記載の積層皮膜。
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US (1) | US9670575B2 (ja) |
JP (1) | JP6273161B2 (ja) |
KR (1) | KR101702255B1 (ja) |
DE (1) | DE112014001619B4 (ja) |
WO (1) | WO2014156739A1 (ja) |
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KR102299470B1 (ko) * | 2019-12-23 | 2021-09-08 | 주식회사 현대케피코 | 연료 인젝터용 부품과 그 코팅 방법 |
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DE10222347C2 (de) * | 2002-05-21 | 2003-11-27 | Walter Ag | TiBN-Beschichtung für einen Schneideinsatz oder ein Schneidwerkzeug |
JP4452089B2 (ja) * | 2004-02-12 | 2010-04-21 | 株式会社神戸製鋼所 | 耐摩耗性に優れた硬質皮膜およびその製造方法 |
CN100419117C (zh) | 2004-02-02 | 2008-09-17 | 株式会社神户制钢所 | 硬质叠层被膜、其制造方法及成膜装置 |
JP4408231B2 (ja) | 2004-03-11 | 2010-02-03 | 株式会社神戸製鋼所 | 硬質積層皮膜および硬質積層皮膜の形成方法 |
EP2256229A1 (de) * | 2005-11-04 | 2010-12-01 | Sulzer Metaplas GmbH | Schichtsystem zur Bildung einer Oberflächenschicht auf einer Oberfläche eines Substrats, Beschichtungsverfahren und Substrat mit einem Schichtsystem |
JP4380622B2 (ja) * | 2005-11-04 | 2009-12-09 | 日立ツール株式会社 | 多層皮膜被覆部材及びその製造方法 |
JP4699978B2 (ja) | 2006-08-09 | 2011-06-15 | 株式会社神戸製鋼所 | 硬質皮膜被覆材 |
JP2009068047A (ja) * | 2007-09-11 | 2009-04-02 | Kobe Steel Ltd | 硬質皮膜、硬質皮膜被覆材および冷間塑性加工用金型 |
JP5043906B2 (ja) * | 2009-08-27 | 2012-10-10 | 株式会社神戸製鋼所 | 硬質皮膜およびその形成方法 |
JP5483071B2 (ja) | 2009-10-27 | 2014-05-07 | 住友電工ハードメタル株式会社 | 表面被覆切削工具 |
JP5483072B2 (ja) | 2009-10-27 | 2014-05-07 | 住友電工ハードメタル株式会社 | 表面被覆切削工具 |
JP5804589B2 (ja) * | 2010-02-10 | 2015-11-04 | 日立金属株式会社 | 摺動特性に優れた被覆金型または鋳造用部材及びその製造方法 |
WO2012105001A1 (ja) * | 2011-02-01 | 2012-08-09 | オーエスジー株式会社 | 硬質積層被膜 |
WO2014156739A1 (ja) | 2013-03-25 | 2014-10-02 | 株式会社神戸製鋼所 | 耐摩耗性に優れた積層皮膜 |
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- 2014-03-14 DE DE112014001619.5T patent/DE112014001619B4/de not_active Expired - Fee Related
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US20150368787A1 (en) | 2015-12-24 |
DE112014001619B4 (de) | 2018-06-14 |
KR101702255B1 (ko) | 2017-02-03 |
US9670575B2 (en) | 2017-06-06 |
WO2014156739A1 (ja) | 2014-10-02 |
KR20150121118A (ko) | 2015-10-28 |
DE112014001619T5 (de) | 2015-12-17 |
JP2014208903A (ja) | 2014-11-06 |
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