JP5640004B2 - コーティングシステム、コーティングされたワークピースおよびその製造方法 - Google Patents
コーティングシステム、コーティングされたワークピースおよびその製造方法 Download PDFInfo
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- JP5640004B2 JP5640004B2 JP2011517112A JP2011517112A JP5640004B2 JP 5640004 B2 JP5640004 B2 JP 5640004B2 JP 2011517112 A JP2011517112 A JP 2011517112A JP 2011517112 A JP2011517112 A JP 2011517112A JP 5640004 B2 JP5640004 B2 JP 5640004B2
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- 238000000576 coating method Methods 0.000 title claims description 112
- 239000011248 coating agent Substances 0.000 title claims description 95
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000005520 cutting process Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 28
- 238000003801 milling Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 21
- 238000000151 deposition Methods 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- HBWNBEPBYSDFLC-UHFFFAOYSA-N CNBO Chemical compound CNBO HBWNBEPBYSDFLC-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000005240 physical vapour deposition Methods 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000011195 cermet Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 138
- 230000008021 deposition Effects 0.000 description 15
- 239000000758 substrate Substances 0.000 description 8
- 238000001771 vacuum deposition Methods 0.000 description 7
- 239000002826 coolant Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000005137 deposition process Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000004626 scanning electron microscopy Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910010038 TiAl Inorganic materials 0.000 description 2
- 229910010037 TiAlN Inorganic materials 0.000 description 2
- 229910008482 TiSiN Inorganic materials 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000005068 cooling lubricant Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
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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
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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
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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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- C23C14/00—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
- C23C14/0688—Cermets, e.g. mixtures of metal and one or more of carbides, nitrides, oxides or borides
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- 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
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- 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
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- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
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- Cutting Tools, Boring Holders, And Turrets (AREA)
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Description
a)上記ワークピースに少なくとも1つのタイプA層を堆積するステップと、
b)上記ワークピースに上記タイプAと異なる少なくとも1つのタイプB層を堆積するステップと
を含み、
− 上記少なくとも1つのタイプA層は、タイプXのnxターゲットを用いて堆積され、
− 上記少なくとも1つのタイプB層は、上記タイプXと異なるタイプYのnyターゲットを用いると同時に上記タイプXのnxyターゲットを用いて堆積され、
ここで、nx、ny、およびnxyは、≧1の整数であり、上記タイプXの上記ターゲットの少なくとも1つは、ステップa)およびステップb)の両方の間活性である。このように、大幅に低減された堆積回数が実現され得る。1つまたは複数のターゲットが、タイプB層の堆積およびタイプA層の堆積の両方の間活性であり得る。このことは、プロセス安定性の点においても有利であり得る。堆積は、僅かな時間で実施することができ、堆積ステップは、同じ真空室において真空を破壊することなく実施することができる。
ミリング条件:
ワークピース(ミリング対象):DIN1.2344(45HRC)
切削工具:4溝付きエンドミル、φ10mm、マイクログレインカーバイドグレード
切削速度:120m/min
供給量:0.1mm/tooth
切削の半径方向深さ:0.5mm
切削の軸方向深さ:10mm
冷却剤:潤滑油6%エマルジョン
ミリング操作:サイドミリング
単一通過の長さ:15m
寿命の終わり:それぞれの単一通過の後に摩耗測定:寿命の終わりの基準:単一通過の端部においてVbmax>120μm
ミリング条件:
ワークピース(ミリング対象):DIN1.1191(190HB)
切削工具(コーティングされている):4溝付きエンドミル、φ10mm、マイクログレインカーバイドグレード
切削速度:400m/min
供給量:0.2mm/tooth
切削の半径方向深さ:0.5mm
切削の軸方向深さ:10mm
冷却剤:乾燥切削
ミリング操作:サイドミリング
単一通過の長さ:50m
寿命の終わり:それぞれの単一通過の後に摩耗測定:寿命の終わりの基準:単一通過の端部においてVbmax>120μm
ミリング条件:
ワークピース(ミリング対象):DIN GGG50
切削工具(コーティングされている):2溝付きドリル、φ6mm、マイクログレインカーバイドグレード
切削速度:120m/min
供給量:0.25mm/tooth
切削の深さ:6×直径
冷却剤:内部冷却−潤滑油6%エマルジョン
ミリング操作:ドリル加工
単一通過の長さ:200穴
寿命の終わり:それぞれの単一通過の後に摩耗測定:寿命の終わりの基準:単一通過の端部においてVbmax>250μm
ミリング条件:
ワークピース(ミリング対象):DIN1.2344(52HRC)
切削工具(コーティングされている):2溝付きボールノーズエンドミル、φ10mm、マイクログレインカーバイドグレード
切削速度:147m/min
供給量:0.15mm/tooth
切削の半径方向深さ:4mm
切削の軸方向深さ:0.8mm
冷却剤:圧縮空気
ミリング操作:サイドミリング
単一通過の長さ:15m
寿命の終わり:それぞれの単一通過の後に摩耗測定:寿命の終わりの基準:単一通過の端部においてVbmax>200μm
Claims (29)
- (AlyCr1−y)X(式中、Xは、N、CN、BN、NO、CNO、CBN、BNOおよびCNBOからなる群の1種を表し、yは、金属相部分の化学量論組成を記載し、0<y<1なる値を有する)から実質的になる少なくとも1つのタイプA層と、
(AluCr1−u−v−wSivMew)X(式中、Xは、N、CN、BN、NO、CNO、CBN、BNOおよびCNBOからなる群の1種を表し、Meは、W、Nb、MoおよびTaからなる群の1種または該群の構成要素の2種以上の混合物を表し、u、vおよびwは、金属相部分の化学量論組成を記載し、0<u<1、かつ0<v<1、かつ0<w<1なる値を有する)から実質的になる少なくとも1つのタイプB層と
を含むコーティングシステムであって、前記タイプA層対前記タイプB層の厚さ比が1を超えるコーティングシステム。 - 前記厚さ比が1.5を超える、請求項1に記載のコーティングシステム。
- 前記少なくとも1つのタイプB層が、少なくとも2つの結晶相を含む、請求項1または請求項2に記載のコーティングシステム。
- 前記少なくとも1つのタイプB層が、立方晶相および六方晶相を含む、請求項1から3のいずれか一項に記載のコーティングシステム。
- 前記少なくとも1つのタイプB層の前記六方晶相の含有量が、前記少なくとも1つのタイプB層の<50体積%である、請求項4に記載のコーティングシステム。
- 前記少なくとも1つのタイプB層の前記六方晶相の含有量が、前記少なくとも1つのタイプB層の>5体積%かつ前記少なくとも1つのタイプB層の<40体積%である、請求項4または請求項5に記載のコーティングシステム。
- 前記少なくとも1つのタイプA層が、立方晶構造から実質的になる、請求項1から6のいずれか一項に記載のコーティングシステム。
- 0.5<y<0.7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システム。
- 0.5<u<0.7かつ0.01<v<0.15かつ0.002<w<0.1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システム。
- w<0.05である、請求項9に記載のコーティングシステム。
- 前記少なくとも1つのタイプB層が、前記少なくとも1つのタイプA層上に直接堆積されている、請求項1から10のいずれか一項に記載のコーティングシステム。
- 第1のタイプA層と第2のタイプA層との間に挟持されているタイプB層を含む、請求項1から11のいずれか一項に記載のコーティングシステム。
- 複数の層周期を含み、1つのこのような層周期が、1つのタイプA層および1つのタイプB層によって形成されている、請求項1から12のいずれか一項に記載のコーティングシステム。
- 請求項1から13のいずれか一項に記載のコーティングシステムを含むワークピース。
- −工具、
−機械加工工具、
−ミリング工具、
−切削工具、
−旋削工具、
−タップ切り工具、
−ねじ切り工具、
−リーマー、
−エンドミル、
−ドリル、
−切削インサート、
−ギア切削工具、
−インサート、
−ホブ、
−除去工具、
−旋削用およびミリング用インサート
からなる群の少なくとも1種である、請求項14に記載のワークピース。 - −鉄を含む金属、
−非鉄金属、
−複合材料、
−超硬合金、
−サーメット、
−立方晶窒化ホウ素、
−セラミック材料、
−鋼、
−高速度鋼
からなる群の少なくとも1種から実質的にできている本体を有する、請求項14または請求項15に記載のワークピース。 - コーティングされたワークピースを製造する方法であって、
a)前記ワークピースに少なくとも1つのタイプA層を堆積するステップと、
b)前記ワークピースに前記タイプAと異なる少なくとも1つのタイプB層を堆積するステップと
を含み、
−前記少なくとも1つのタイプA層は、タイプXのnxターゲットを用いて堆積され、
−前記少なくとも1つのタイプB層は、前記タイプXと異なるタイプYのnyターゲットを用いると同時に前記タイプXのnxyターゲットを用いて堆積され、
ここで、nx、ny、およびnxyは、≧1の整数であり、前記タイプXの前記ターゲットの少なくとも1つは、ステップa)およびステップb)の両方の間活性であり、
−タイプA層が、(Al y Cr 1−y )X(式中、Xは、N、CN、BN、NO、CNO、CBN、BNOおよびCNBOからなる群の1種を表し、yは、金属相部分の化学量論組成を記載し、0<y<1なる値を有する)から実質的になり、
−タイプB層が、(Al u Cr 1−u−v−w Si v Me w )X(式中、Xは、N、CN、BN、NO、CNO、CBN、BNOおよびCNBOからなる群の1種を表し、Meは、W、Nb、MoおよびTaからなる群の1種または該群の構成要素の2種以上の混合物を表し、u、vおよびwは、金属相部分の化学量論組成を記載し、0<u<1、かつ0<v<1、かつ0<w<1なる値を有する)から実質的になる、方法。 - 前記タイプA層対前記タイプB層の厚さ比が、1を超える、請求項17に記載の方法。
- 前記タイプA層対前記タイプB層の厚さ比が、1.5を超える、請求項18に記載の方法。
- 前記タイプXのターゲットが、AlおよびCrを含み、タイプYのターゲットが、前記タイプB層に設けられているAl、Cr、Siおよび前記Meを含む、請求項17から19のいずれか1項に記載の方法。
- ステップa)およびb)が、物理蒸着法を用いて実施される、請求項17から20のいずれか一項に記載の方法。
- ステップa)およびb)が、陰極アーク蒸発法を用いて実施される、請求項21に記載の方法。
- ステップa)およびb)を実施する間、前記ワークピースを650℃未満の温度に保持するステップを含む、請求項17から22のいずれか一項に記載の方法。
- ステップa)およびb)を実施する間、前記ワークピースを500℃以下の温度に保持するステップを含む、請求項23に記載の方法。
- ステップa)およびb)を実施する間、前記ワークピースを全ガス圧が0.5Paから10Paの間である反応性ガス雰囲気に曝すステップを含む、請求項17から24のいずれか一項に記載の方法。
- ステップa)およびb)を実施する間、前記ワークピースを全ガス圧が>2Paである反応性ガス雰囲気に曝すステップを含む、請求項25に記載の方法。
- 前記反応性ガス雰囲気が主にNを含む、請求項25または26に記載の方法。
- ステップa)およびb)を実施する間、40Vから200Vの間のバイアス電圧を前記ワークピースに印加するステップを含む、請求項17から27のいずれか一項に記載の方法。
- ステップa)を実施する間、バイアス電圧を前記ワークピースに印加するステップ、およびステップb)を実施する間、より高いバイアス電圧を前記ワークピースに印加するステップを含む、請求項17から28のいずれか一項に記載の方法。
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