JP7195155B2 - 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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- 238000005520 cutting process Methods 0.000 title claims description 86
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 84
- 238000000576 coating method Methods 0.000 claims description 38
- 239000000758 substrate Substances 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 32
- 238000001887 electron backscatter diffraction Methods 0.000 claims description 20
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 14
- 238000005229 chemical vapour deposition Methods 0.000 claims description 8
- 238000002441 X-ray diffraction Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 150000001247 metal acetylides Chemical class 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 15
- 229910002091 carbon monoxide Inorganic materials 0.000 description 13
- 238000004901 spalling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 239000013078 crystal Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910003074 TiCl4 Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- -1 TiCN Inorganic materials 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005555 metalworking Methods 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
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- B23B27/148—Composition of the cutting inserts
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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
- C23C16/40—Oxides
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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
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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
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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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- C23C16/00—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
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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
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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
- B23B2228/10—Coatings
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- C—CHEMISTRY; METALLURGY
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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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Description
により定められており、用いられている(h k l)反射は、(1 0 4)、(1 1 0)、(1 1 3)、(0 2 4)、(1 1 6)、(2 1 4)、(3 0 0)および(0 0 12)であり、I(h k l)=(h k l)反射の測定された強度(積分ピーク面積)、I0(h k l)=ICDDのPDFカードNo.00-10-0173による標準強度、n=計算に使用される反射数(この場合8つの反射)、1<TC(0 2 4)<4および3<TC(0 0 12)<6である。
XRD検査
層のテクスチャを調査するために、X線回折を、PIXcel検出器が備え付けられているパナリティカル(PANalytical)のCubiX3回折計を使用して、逃げ面上で行った。コーティングされた切削工具を試料ホルダ内に取り付けて、試料の逃げ面が試料ホルダの基準面に平行であること、およびまた、逃げ面が適切な高さにあることを確実にした。Cu-Kα放射を、45kVの電圧および40mAの電流で測定に使用した。1/2度の散乱除去スリットおよび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°までの2θの範囲内で、すなわち10°から70°までの入射角θ範囲に亘って、測定した。
電子後方散乱回折(EBSD:electron backscatter diffraction)によりもたらされるポールプロットを、本明細書に記載されているように研究した。該EBSD技術は、後方散乱された電子により生成される菊池(Kikuchi-type)回折パターンの自動分析に基づいている。
試料1(発明)
立方晶炭化物を実質的に含まず、基材表面からかつ本体内への深さまで約25μmのCoを多く含む表面区域を含む、旋削用の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、および残部WCから製造した。したがって、超硬合金の組成は、約7.2wt%のCo、2.9wt%のTaC、1.9wt%のTiC、0.4wt%のTiN、0.4wt%のNbC、および86.9wt%のWCである。
旋削用のISO型CNMG120408の超硬合金基材を、7.5wt%のCo、2.7wt%のTa、1.8wt%のTi、0.4wt%のNb、0.1wt%のN、および残部WCから製造した。該基材は、立方晶炭化物を実質的に含まない、基材表面からかつ本体内への深さまで約25μmのCoを多く含む表面区域を含む。
旋削用の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、および残部WCの組成で製造した。該基材は、立方晶炭化物を実質的に含まない、基材表面から本体内への深さまで約25μmのCoを多く含む表面区域を含む。
コーティングされた切削工具、すなわち試料1、2および3を、以下の切削データを使用して、軸受鋼(Ovako 825B)内での長手方向旋削において試験した;
切削速度vc:220m/分
切削送りf:0.3mm/回転
切削深さap:2mm
インサート型:CNMG120408-PM
水混和性金属加工流体を使用した。
切削工具当たり1つの切削刃を評価した。
コーティングされた切削工具、すなわち試料1、2および3を、切削刃の塑性変形時の剥離に対する耐性を評価することを目的とした試験において試験した。
切削速度vc:105または115m/分
切削深さap:2mm
送りf:0.7mm/回転
切削時間:0.5分
金属加工流体を使用しなかった。
コーティングされた切削工具、すなわち試料1、2および3を、熱割れおよび刃線の欠けに対する耐性を評価することを目的とした試験において、試験した。
Claims (15)
- 基材とコーティングとを含むコーティングされた切削工具であって、コーティングが、化学蒸着(CVD)により堆積された、1~20μmの厚さを有する少なくとも1つのα-Al2O3層を含み、前記α-Al2O3層がX線回折パターンを示し、テクスチャ係数TC(h k l)がハリスの式
[式中、用いられる(h k l)反射が、(1 0 4)、(1 1 0)、(1 1 3)、(0 2 4)、(1 1 6)、(2 1 4)、(3 0 0)および(0 0 12)であり、
I(h k l)=前記(h k l)反射の測定された強度であり、
I0(h k l)=ICDDのPDFカードNo.00-10-0173による標準強度であり、
n=8である]
により定められる、コーティングされた切削工具において、
1<TC(0 2 4)<4および3<TC(0 0 12)<6であることを特徴とする、コーティングされた切削工具。 - 前記α-Al2O3層が1<TC(0 2 4)<3及び3.5<TC(0 0 12)<5.5を示す、請求項1に記載のコーティングされた切削工具。
- 前記α-Al2O3層が1.5<TC(0 2 4)<2.5及び4<TC(0 0 12)<5を示す、請求項1に記載のコーティングされた切削工具。
- 前記α-Al2O3層の3番目に強いTC(h k l)がTC(1 1 0)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。
- 前記α-Al2O3層が、コーティングの外面に平行なα-Al2O3層の部分においてEBSDにより測定される{0 0 1}極点図を示し、コーティングの外面の法線から0°≦β≦90°の傾斜角範囲に亘る0.25°のビンサイズを有する、極点図のデータに基づくポールプロットが、≧40%の、0°≦β≦90°の範囲内の強度に対するβ≦15°の傾斜角の範囲内の強度の比率を示し、
前記α-Al2O3層が、コーティングの外面に平行なα-Al2O3層の部分においてEBSDにより測定される{0 1 2}極点図を示し、コーティングの外面の法線から0°≦β≦90°の傾斜角範囲に亘る0.25°のビンサイズを有する、極点図のデータに基づくポールプロットが、≧40%の、0°≦β≦90°の範囲内の強度に対するβ≦15°の傾斜角の範囲内の強度の比率を示す、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。 - {0 0 1}極点図及び{0 1 2}極点図がα-Al2O3層の同一部分からのものである、請求項5に記載のコーティングされた切削工具。
- 前記α-Al2O3層が柱状粒子を含む、請求項1から6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層が柱状α-Al2O3層粒子を含み、前記柱状粒子の平均幅が、前記α-Al2O3層の中央で基材の表面に平行な線に沿って測定される0.5~2μmである、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。
- α-Al2O3層の平均厚さが2~10μmである、請求項1から8のいずれか一項に記載のコーティングされた切削工具。
- コーティングが、TiN、TiCN、TiC、TiCO、TiCNOのうちの1つ又は複数の層をさらに含む、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。
- コーティングが、基材の表面からTiN、TiCN、TiCNO、およびα-Al2O3の順序で層を含む、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。
- コーティングが最外磨耗表示カラー層をさらに含む、請求項1から11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、基材表面からかつ本体内へ約15~35μmの深さまでの表面区域を有する、超硬合金からなり、前記表面区域は、バインダー相が富化されており、立方晶炭化物を実質的に含まない、請求項1から12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、6~12wt%、好ましくは8~11wt%のCo含有量を有する超硬合金からなる、請求項1から13のいずれか一項に記載のコーティングされた切削工具。
- 切削工具が切削インサートであり、前記切削インサートの内接円が≧15mmの直径を有する、請求項1から14のいずれか一項に記載のコーティングされた切削工具。
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EP16176939.3A EP3263743A1 (en) | 2016-06-29 | 2016-06-29 | Cvd coated cutting tool |
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PCT/EP2017/064999 WO2018001786A1 (en) | 2016-06-29 | 2017-06-20 | Cvd coated cutting tool |
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JP6955706B2 (ja) | 2016-10-24 | 2021-10-27 | 株式会社タンガロイ | 被覆切削工具 |
JP6955707B2 (ja) | 2016-10-25 | 2021-10-27 | 株式会社タンガロイ | 被覆切削工具 |
JP7137141B2 (ja) * | 2016-11-17 | 2022-09-14 | 株式会社タンガロイ | 被覆切削工具 |
EP3851230B1 (en) | 2019-02-19 | 2023-01-25 | Sumitomo Electric Hardmetal Corp. | Cutting tool |
WO2020174755A1 (ja) * | 2019-02-26 | 2020-09-03 | 住友電工ハードメタル株式会社 | 切削工具 |
JP7253153B2 (ja) * | 2021-04-30 | 2023-04-06 | 株式会社タンガロイ | 被覆切削工具 |
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JP2022091827A (ja) | 2022-06-21 |
CN109312473A (zh) | 2019-02-05 |
KR20190024896A (ko) | 2019-03-08 |
US11213893B2 (en) | 2022-01-04 |
BR112018076561B1 (pt) | 2023-05-09 |
US20200306837A1 (en) | 2020-10-01 |
RU2736536C2 (ru) | 2020-11-17 |
WO2018001786A1 (en) | 2018-01-04 |
EP3478874A1 (en) | 2019-05-08 |
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