JP6931610B2 - Cvdコーティングされた切削工具 - Google Patents
Cvdコーティングされた切削工具 Download PDFInfo
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- 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
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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
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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
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- C23C16/34—Nitrides
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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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- 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
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- 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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- 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
- C23C28/048—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 with layers graded in composition or physical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23B2222/84—Steel
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- 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
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- 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)
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- 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
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- 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
- B23B2228/04—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner applied by chemical vapour deposition [CVD]
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- 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
- B23B2228/24—Hard, i.e. after being hardened
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
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- B23B2228/36—Multi-layered
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Description
[式中、I(hkl)は、(hkl)反射の測定された強度(集積エリア)であり、
I0(hkl)は、ICDDのPDFカード番号00−010−0173による標準の強度であり、nは計算に用いられる反射の数であって、使用される(hkl)反射は、(1 0 4)、(1 1 0)、(1 1 3)、(0 2 4)、(1 1 6)、(2 1 4)、(3 0 0)及び(0 0 12)である]に従って定義されるテクスチャ係数TC(hkl)を呈し、TC(hkl)は、6、好ましくは7より高い。一実施態様では、α−Al2O3層のTC(0 0 12)は、6、好ましくは7より高い。
CVDコーティングの堆積
後述の実施例におけるCVDコーティングは、ハーフインチサイズの切削インサートを10000個収容できる大きさのラジアルイオン結合型CVD装置530で堆積された。
後述の実施例に開示されるコーティングされた切削工具の実施例に基づき、誘電損失特性の測定が本明細書に開示される。TiN層及びTiCN層は、他の導電層により置き換えることができ、対応する測定を実施することができる。代替的に、測定において導電基材(例えば超硬合金)でTiCNを置き換えることができ、TiCNの代わりに基材が露出して接続される。
0.5MOhm>>10kOhm]が与えられる。
(一又は複数の)層のテクスチャを調べるために、フランク面において、PIXcel検出器を備えるPANalytical CubiX3回折計を用いてX線回折の測定を行った。確実に試料のフランク面が試料保持器の基準面と平行になり、且つフランク面が適切な高さとなるように、コーティングされた切削工具を試料保持器にマウントした。電圧45kV及び電流40mAでの測定に、Cu−Kα照射を使用した。1/2度の散乱除去スリット及び1/4度の発散スリットを使用した。コーティングされた切削工具からの回折強度を、20°から140°2θの範囲で、即ち10から70°の入射角θの範囲で測定した。
旋削加工用のISO型CNMG120408の超硬合金基材(試料E23C−1及びE23C−2)を、7.2wt−%のCo、2.7wt%のTa、1.8wt%のTi、0.4wt%のNb、0.1wt%のN及び残部のWCから製造した。これは、基材表面から、実質的に立方晶炭化物を有さない本体の深部まで約25μmのCo富化表面ゾーンを含んでいた。
旋削加工用のISO型CNMG120408の超硬合金基材を、7.2wt−%のCo、2.7wt%のTa、1.8wt%のTi、0.4wt%のNb、0.1wt%のN及び残部のWCから製造した。これは、基材表面から、実質的に立方晶炭化物を有さない本体の深部まで約25μmのCo富化表面ゾーンを含んでいた。
旋削加工用のISO型CNMG120408の超硬合金基材を、7.2wt−%のCo、2.7wt%のTa、1.8wt%のTi、0.4wt%のNb、0.1wt%のN及び残部のWCから製造した。これは、基材表面から、実質的に立方晶炭化物を有さない本体の深部まで約25μmのCo富化表面ゾーンを含んでいた。
X線回折測定を用いて、上記に開示した方法により、α−Al2O3及びTiCNのTC値を分析した。コーティングされたCNMG120408基材の二つの試料それぞれを、テクスチャ分析し、その後摩耗試験した。層厚を、各コーティングの断面を調べることにより、光学顕微鏡で分析した。結合層は、表2に示すTiCN層の厚さに含めている。結果を表2に示す。
切削摩耗試験に先立ち、水中においてアルミナのスラリーを用いるウェットブラスチング装置において、インサートのスクイ面にブラスチングした。切削インサートのスクイ面とブラスタスラリーの方向との間の角度は約90°であった。ブラスチングの目的は、コーティングの残留応力と表面粗さに影響を与え、それによりその後の旋削試験においてインサートの特性を改善することである。
Claims (11)
- α−Al2O3の層と、TiCNからなる耐火層と、を含むコーティングでコーティングされた基材を含み、前記耐火層が、前記基材と前記α−Al2O3の層との間に位置し、20℃において10kHzのAC及び100mVで測定した場合に前記α−Al2O3層が10−6≦tan δ≦25×10−4の誘電損失を呈する、コーティングされた切削工具。
- α−Al2O3層の厚さが2〜20μm、好ましくは2〜10μmである、請求項1に記載のコーティングされた切削工具。
- α−Al2O3層の誘電損失tan δが、10−5以上、好ましくは10−4以上、最も好ましくは5×10−4以上である、請求項1又は2に記載のコーティングされた切削工具。
- α−Al2O3層の誘電損失tan δが、20×10−4以下、好ましくは15×10−4以下、さらに好ましくは10×10−4以下、最も好ましくは7×10−4 以下である、請求項1から3のいずれか一項に記載のコーティングされた切削工具。
- α−Al2O3層の誘電損失tan δが、切削工具のフランク面の上で測定される、請求項1から4のいずれか一項に記載のコーティングされた切削工具。
- α−Al2O3層が、CuKα照射及びθ−2θスキャンを用いるX線回折により測定した場合、ハリスの式(Harris formula)
[式中、I(hkl)は、(hkl)反射の測定された強度(集積エリア)であり、
I0(hkl)は、ICDDのPDF−カード番号00−010−0173による標準の強度であり、nは計算に用いられる反射の数であって、使用される(hkl)反射は、(1 0 4)、(1 1 0)、(1 1 3)、(0 2 4)、(1 1 6)、(2 1 4)、(3 0 0)及び(0 0 12)である。]に従って定義されるテクスチャ係数TC(hkl)を呈し、7より高いTC(hkl)の値を特徴とする、
請求項1から5のいずれか一項に記載のコーティングされた切削工具。 - α−Al2O3層のTC(0 0 12)が、7より高い、請求項6に記載のコーティングされた切削工具。
- α−Al2O3層が100〜500MPa(張力)の残留応力レベルを呈する、請求項1から7のいずれか一項に記載のコーティングされた切削工具。
- 前記耐火層の厚さが4〜20μmである、請求項8に記載のコーティングされた切削工具。
- 前記コーティングが、厚さ1〜3μmの、最も外側のTiN層をさらに含む、請求項1から9のいずれか一項に記載のコーティングされた切削工具。
- 基材が、超硬合金、サーメット、セラミックである、請求項1から10のいずれか一項に記載のコーティングされた切削工具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP14199221.4 | 2014-12-19 | ||
EP14199221.4A EP3034652A1 (en) | 2014-12-19 | 2014-12-19 | CVD coated cutting tool |
PCT/EP2015/080242 WO2016097157A1 (en) | 2014-12-19 | 2015-12-17 | Cvd coated cutting tool |
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JP2018501118A JP2018501118A (ja) | 2018-01-18 |
JP6931610B2 true JP6931610B2 (ja) | 2021-09-08 |
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US (1) | US10570509B2 (ja) |
EP (2) | EP3034652A1 (ja) |
JP (1) | JP6931610B2 (ja) |
CN (1) | CN107002237B (ja) |
WO (1) | WO2016097157A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP3263743A1 (en) * | 2016-06-29 | 2018-01-03 | Sandvik Intellectual Property AB | Cvd coated cutting tool |
US11717893B2 (en) | 2016-10-24 | 2023-08-08 | Tungaloy Corporation | Coated cutting tool |
EP3533544B1 (en) * | 2016-10-25 | 2023-08-09 | Tungaloy Corporation | Coated cutting tool |
WO2018088114A1 (ja) * | 2016-11-14 | 2018-05-17 | 株式会社タンガロイ | 被覆切削工具 |
EP3542935B1 (en) * | 2016-11-17 | 2023-08-09 | Tungaloy Corporation | Coated cutting tool |
EP3366796A1 (en) * | 2017-02-28 | 2018-08-29 | Sandvik Intellectual Property AB | Coated cutting tool |
BR112019020882A2 (pt) * | 2017-04-07 | 2020-04-28 | Sandvik Intellectual Property | ferramenta de corte revestida |
JP7256978B2 (ja) * | 2017-09-29 | 2023-04-13 | 三菱マテリアル株式会社 | 硬質被覆層がすぐれた耐溶着性と耐異常損傷性を発揮する表面被覆切削工具 |
US11299807B2 (en) | 2017-09-29 | 2022-04-12 | Mitsubishi Materials Corporation | Surface-coated cutting tool in which hard coating layer exhibits exceptional adhesion resistance and anomalous damage resistance |
JP7082934B2 (ja) * | 2018-10-31 | 2022-06-09 | ユニオンツール株式会社 | 穴明け工具及びその製造方法 |
JP6999585B2 (ja) * | 2019-01-18 | 2022-01-18 | 株式会社タンガロイ | 被覆切削工具 |
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CN102061454B (zh) * | 2011-01-20 | 2012-08-22 | 厦门金鹭特种合金有限公司 | 一种在刀具上涂覆涂层的制备方法 |
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JP5892073B2 (ja) * | 2013-01-15 | 2016-03-23 | アイコム株式会社 | 通信機および通信方法 |
WO2014198881A1 (en) * | 2013-06-14 | 2014-12-18 | Sandvik Intellectual Property Ab | Coated cutting tool |
RU2704949C2 (ru) * | 2014-12-19 | 2019-10-31 | Сандвик Интеллекчуал Проперти Аб | Режущий инструмент с хогф-покрытием |
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