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1. (WO2019065682) SURFACE-COATED CUTTING TOOL IN WHICH HARD COATING LAYER EXHIBITS EXCEPTIONAL CHIPPING RESISTANCE
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Pub. No.: WO/2019/065682 International Application No.: PCT/JP2018/035575
Publication Date: 04.04.2019 International Filing Date: 26.09.2018
IPC:
B23B 27/14 (2006.01) ,C23C 16/36 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B
TURNING; BORING
27
Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
14
Cutting tools of which the bits or tips are of special material
C CHEMISTRY; METALLURGY
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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
C
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
16
Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition (CVD) processes
22
characterised by the deposition of inorganic material, other than metallic material
30
Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
36
Carbo-nitrides
Applicants:
三菱マテリアル株式会社 MITSUBISHI MATERIALS CORPORATION [JP/JP]; 東京都千代田区大手町一丁目3番2号 3-2, Otemachi 1-chome, Chiyoda-ku, Tokyo 1008117, JP
Inventors:
柳澤 光亮 YANAGISAWA Kousuke; JP
石垣 卓也 ISHIGAKI Takuya; JP
佐藤 賢一 SATO Kenichi; JP
Priority Data:
2017-19080029.09.2017JP
2018-16940811.09.2018JP
Title (EN) SURFACE-COATED CUTTING TOOL IN WHICH HARD COATING LAYER EXHIBITS EXCEPTIONAL CHIPPING RESISTANCE
(FR) OUTIL DE COUPE REVÊTU EN SURFACE COMPRENANT UNE COUCHE DE REVÊTEMENT DUR PRÉSENTANT UNE RÉSISTANCE EXCEPTIONNELLE À L'ÉCAILLAGE
(JA) 硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆切削工具
Abstract:
(EN) Provided is a coated tool in which a hard coating layer exhibits exceptional chipping resistance. In this surface-coated cutting tool, a TiAlCN layer α and a TiAlCN layer β are laminated on a tool base in an alternating manner. In the TiAlCN layer α: (Ti1-XαAl)(CNY1-Yα), the average Al content ratio Xαavg and the average C content ratio Yαavg satisfy the relationships 0.60 ≤ Xαavg ≤ 0.95 and 0 ≤ Yαavg ≤ 0.005. In the TiAlCN layer β: (Ti1 - XβAl)(CN1 - Yβ), the minimum value Xβmin of the Al content ratio, the maximum value Xβmax of the Al content ratio, and the average C content ratio Yβavg satisfy the relationships 0 ≤ Xβmin < (Xαavg - 0.15), Xβmax < (Xαavg + 0.15), and 0 ≤ Yβavg ≤ 0.005. The average layer thickness Lα of the TiAlCN layer α and the average layer thickness Lβ of the TiAlCN layer β satisfy the relationships 0.2 μm < Lα ≤ 2.0 μm, 1 nm ≤ Lβ ≤ 400 nm, and 3L β < Lα.
(FR) L'invention concerne un outil revêtu comprenant une couche de revêtement dur présentant une résistance exceptionnelle à l'écaillage. Cet outil de coupe revêtu en surface comprend une couche de TiAlCN α et une couche de TiAlCN β stratifiées en alternance sur une base d'outil. Dans la couche de TiAlCN α : (Ti1-XαAl)(CNY1-Yα), le rapport moyen de teneur en Al Xαmoy et le rapport moyen de teneur en C Yαmoy satisfont aux relations 0,60 ≤ Xαmoy ≤ 0,95 et 0 ≤ Yαmoy ≤ 0,005. Dans la couche de TiAlCN β : (Ti1 - XβAl)(CN1 - Yβ), la valeur minimale Xβmin du rapport de teneur en Al, la valeur maximale Xβmax du rapport de teneur en Al, et le rapport moyen de teneur en C Yβmoy satisfont aux relations 0 ≤ Xβmin < (Xαmoy – 0,15), Xβmax < (Xαmoy + 0,15), et 0 ≤ Yβmoy ≤ 0,005. L'épaisseur moyenne de couche Lα de la couche de TiAlCN α et l'épaisseur moyenne de couche Lβ de la couche de TiAlCN β satisfont aux relations 0,2 μm < Lα ≤ 2,0 μm, 1 nm ≤ Lβ ≤ 400 nm, et 3L β < Lα.
(JA) 硬質被覆層がすぐれた耐チッピング性を発揮する被覆工具を提供 工具基体にTiAlCN層αとTiAlCN層βが交互積層され、TiAlCN層α:(Ti1-xαAlxα)(CYαY1-Yα)は、Alの平均含有割合XαavgとCの平均含有割合Yαavgが、0.60≦Xαavg≦0.95、0≦Yαavg≦0.005で、TiAlCN層β:(Ti1-xβAlxβ)(CYβ1-Yβ)は、Alの含有割合の最小値Xβmin、Alの含有割合の最大値XβmaxとCの平均含有割合Yβavgが、0≦Xβmin<(Xαavg-0.15)、Xβmax<(Xαavg+0.15)、0≦Yβavg≦0.005で、TiAlCN層αの平均層厚LαとTiAlCN層βの平均層厚Lβは、0.2μm<Lα≦ 2.0μm、1nm≦Lβ≦400nm、3Lβ<Lαである表面被覆切削工具
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)