JP7104715B2 - コーティングされた切削工具 - Google Patents
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 37
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 31
- 239000002245 particle Substances 0.000 claims description 29
- 238000001887 electron backscatter diffraction Methods 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 15
- 230000001186 cumulative effect Effects 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000002441 X-ray diffraction Methods 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 description 14
- 239000000843 powder Substances 0.000 description 13
- 239000002002 slurry Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002547 anomalous effect Effects 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Description
でNが80μm2未満であるほどうまく分布されたガンマ相を有し、
上式中、X(μm2)は、EBSD分析から取得される累積プロットにおける累積相対面積0.90(y軸)での粒子面積(x軸)であり、ガンマ相粒子の累積相対粒子面積(y軸)は粒子面積(x軸)に対してプロットされている。
[上式中、I(hkl)は(hkl)反射の測定強度(積分面積)であり、I0(hkl)はICDDのPDFカード番号00-010-0173による標準強度であり、nは計算で使用される反射数であり、使用される(hkl)反射は、(1 0 4)、(1 1 0)、(1 1 3)、(024)、(1 1 6)、(2 1 4)、(3 0 0)及び(0 0 12)である]によって定義される集合組織係数TC(hkl)を示し、
TC(0 0 12)≧7.2であることを特徴とし、I(0 0 12)/I(0 1 14)の比率は≧1である。
[上式中、I(hkl)は(hkl)反射の測定強度(積分面積)であり、
I0(hkl)はICDDのPDFカード番号00-010-0173による標準強度であり、nは計算で使用される反射の数であり、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]によって定義される集合組織係数TC(hkl)を示し、ここで、
超硬合金基材は、エタノールと水(9重量%水)から成る粉砕液中で、(Ta,Nb)C、(Ti,W)C、及びTi(C,N)と共にリサイクル超硬合金材料(PRZ)を最初に予備粉砕することにより製造された。スラリーが粉砕チャンバーと保持タンクとの間を循環する水平撹拌ミルである、NetzschのLMZ10と呼ばれる攪拌ミル内での粉体と粉砕液の比率は、232kg粉体/80L粉砕液であった。650rpmで、蓄積エネルギー30kWhまでスラリーを粉砕した。
上記の方法に従って、XRDを使用してα-Al2O3及びTiCNのTC値を分析した。各コーティングの断面を1000倍の倍率で調べることにより、光学顕微鏡で層の厚さを分析した。結合層と初期TiN層の両方が表5に示すTiCN層の厚さに含まれている。表5には、基準品である比較例1(商用グレードのGC4235)も含まれている。発明1と比較例1の2つの試料をそれぞれ分析した。結果を表5に示す。
基材の微細構造もEBSDで分析した。60*100μmの4つの画像を使用した。
WC(六方晶),59の反射体,Acta Crystallogr.,[ACCRA9],(1961),vol.14,p200-201
Co(立方晶),68の反射体,Z.Angew.Phys.,[ZAPHAX],(1967),vol.23,p245-249
Co(六方晶),50の反射体,Fiz.Met.Metalloved,[FMMTAK],(1968),vol.26,p140-143
立方晶炭化物相,TiC,77の反射体,J. Matter. Chem.[JMACEP],(2001),vol.11,p2335-2339の反射体であった。
実施例1、発明1に記載のインサートを、湿潤条件下での旋削作業で比較例1と一緒に試験した。被削材は、1回転につき2回の間欠回転が起こるように作製されている。被削材は炭素鋼(SS1312)で、条件は以下の通りであった。
Claims (15)
- 超硬合金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、前記超硬合金基材がWC、コバルト結合相及びガンマ相を含み、前記超硬合金基材がガンマ相のない結合相富化表面ゾーンを含み、ここで前記表面ゾーンの厚さが14から26μmの間であり、且つ、前記超硬合金が、
でNが80μm2未満であるガンマ相を有し、上式中、X(μm2)は、EBSD分析から取得される累積プロットにおける累積相対面積0.90(y軸)での粒子面積(x軸)であり、ガンマ相粒子の累積相対粒子面積(y軸)は粒子面積(x軸)に対してプロットされており、Yは補正因子
であり、上式中、面積分率はEBSD分析から取得され、
と定義され、前記aWC av は前記WC粒の平均面積である、異常WC粒のEBSD分析から取得される面積分率は0から0.03の間であり、且つ、コーティングはα-Al2O3層を含み、前記基材と前記α-Al2O3層の間に、コーティングはTiCN層を含み、ここで前記α-Al2O3層は、CuKα線及びθ-2θスキャンを用いるX線回折により測定され、且つ、以下のハリスの式:
[上式中、I(hkl)は(hkl)反射の測定強度(積分面積)であり、I0(hkl)はICDDのPDFカード番号00-010-0173による標準強度であり、nは計算で使用される反射の数であり、使用される(hkl)反射は、(1 0 4)、(1 1 0)、(1 1 3)、(024)、(1 1 6)、(2 1 4)、(3 0 0)及び(0 0 12)である]によって定義される集合組織係数TC(hkl)を示す切削工具であり、
TC(0 0 12)≧7.2であることを特徴とし、
I(0 0 12)/I(0 1 14)の比率は≧1である、切削工具。 - ガンマ相の量が3から25体積%の間である、請求項1に記載のコーティングされた切削工具。
- 異常WC粒の前記面積分率が0から0.025の間である、請求項1又は2に記載のコーティングされた切削工具。
- ガンマ相分布である前記Nが15から75μm2の間である、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TiCN層の厚さが4-20μmである、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。
- 前記α-Al2O3層の厚さが2-20μmである、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。
- 前記TC(0 0 12)≧7.4であり、I(0 0 12)/I(0 1 14)の前記比率は≧1.5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。
- 前記コーティングが、TiCNとTiCNOを含む結合層であって、前記TiCN層の最も外側に位置し、且つ、前記α-Al2O3層に隣接する結合層をさらに含む、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。
- 前記結合層の厚さが0.5-2μm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α-Al2O3層と前記基材の間に位置する前記TiCN層が、CuKα線及びθ-2スキャンを用いるX線回折により測定され、且つ、ハリスの式[式中、I(hkl)は(hkl)反射の測定強度(積分面積)であり、I0(hkl)はICDDのPDFカード番号42-1489による標準強度であり、nは反射の数であり、計算で使用される反射は(1 1 1)、(2 0 0)、(2 2 0)、(3 1 1)、(3 3 1)、(4 2 0)、(4 2 2)及び(5 1 1)である]によって定義される集合組織係数TC(hkl)を示す切削工具であって、TC(2 2 0)が≦0.5であることを特徴とする、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。
- 前記TiCN層がTC(4 2 2)≧3を示す、請求項10に記載のコーティングされた切削工具。
- 前記TiCN層のTC(3 1 1)+TC(4 2 2)が≧4である、請求項10又は11に記載のコーティングされた切削工具。
- 前記TC(2 2 0)が≦0.3である、請求項10に記載のコーティングされた切削工具。
- 前記TC(4 2 2)が≧3.5である、請求項11に記載のコーティングされた切削工具。
- 前記TiCN層の前記TC(3 1 1)+TC(4 2 2)が≧5である、請求項12に記載のコーティングされた切削工具。
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EP17158416.2A EP3366796A1 (en) | 2017-02-28 | 2017-02-28 | Coated cutting tool |
EP17158416.2 | 2017-02-28 | ||
PCT/EP2018/054800 WO2018158245A1 (en) | 2017-02-28 | 2018-02-27 | Coated cutting tool |
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EP3920771A4 (en) | 2019-02-07 | 2022-11-02 | Solace Therapeutics, Inc. | PRESSURE DAMPING DEVICE |
JP7141601B2 (ja) * | 2019-12-19 | 2022-09-26 | 株式会社タンガロイ | 被覆切削工具 |
EP4129539B1 (en) * | 2020-03-25 | 2024-11-06 | Mitsubishi Materials Corporation | Surface-coated cutting tool |
EP4006199A1 (en) * | 2020-11-26 | 2022-06-01 | AB Sandvik Coromant | A coated cutting tool |
US20240229232A1 (en) * | 2021-05-07 | 2024-07-11 | Ab Sandvik Coromant | Cutting tool |
KR20240028992A (ko) * | 2021-07-02 | 2024-03-05 | 발터 악티엔게젤샤프트 | 코팅된 절삭 공구 |
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JP2005126824A (ja) | 2003-10-23 | 2005-05-19 | Sandvik Ab | 焼結炭化物及びその製造方法 |
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US20210138556A1 (en) | 2021-05-13 |
CN110268081A (zh) | 2019-09-20 |
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WO2018158245A1 (en) | 2018-09-07 |
EP3366796A1 (en) | 2018-08-29 |
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