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1. (WO2016084938) SURFACE-COATED CUTTING TOOL
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2016/084938    International Application No.:    PCT/JP2015/083400
Publication Date: 02.06.2016 International Filing Date: 27.11.2015
IPC:
B23B 27/14 (2006.01)
Applicants: MITSUBISHI MATERIALS CORPORATION [JP/JP]; 3-2, Otemachi 1-chome, Chiyoda-ku, Tokyo 1008117 (JP)
Inventors: SATO Kenichi; (JP).
TATSUOKA Sho; (JP).
YAMAGUCHI Kenji; (JP)
Agent: SHIGA Masatake; (JP)
Priority Data:
2014-240834 28.11.2014 JP
2015-229738 25.11.2015 JP
Title (EN) SURFACE-COATED CUTTING TOOL
(FR) OUTIL DE COUPE À REVÊTEMENT DE SURFACE
(JA) 表面被覆切削工具
Abstract: front page image
(EN)Provided is a surface-coated cutting tool having a hard coating layer which comprises a composite nitride or composite carbonitride layer (2) represented by the compositional formula: (Ti1-x-yAlxMey)(CzN1-z) (wherein Me represents at least one element selected from Si, Zr, B, V and Cr), wherein the average Al content ratio Xavg, the average Me content ratio Yavg and the average C content ratio Zavg satisfy the formulae: 0.60 ≤ Xavg, 0.005 ≤ Yavg ≤ 0.10, 0 ≤ Zavg ≤ 0.005, and 0.605 ≤ Xavg + Yavg ≤ 0.95, crystal grains each having a cubic crystal structure are contained in crystal grains that constitute the composite nitride or composite carbonitride layer (2), and a specific periodic change in the compounding ratio of Ti, Al and Me occurs in the crystal grains each having a cubic crystal structure.
(FR)L'invention concerne un outil de coupe à revêtement de surface comportant une couche de revêtement dure qui comprend une couche de nitrure composite ou de carbonitrure composite (2) représentée par la formule de composition : (Ti1-x-yAlxMey)(CzN1-z) (où Me représente au moins un élément choisi parmi Si, Zr, B, V et Cr), le rapport de teneur en Al moyenne Xavg, le rapport de teneur en Me moyenne Yavg et le rapport de teneur en C moyenne Zavg satisfaisant les formules : 0,60 ≤ Xavg, 0,005 ≤ Yavg ≤ 0,10, 0 ≤ Zavg ≤ 0,005, et 0,605 ≤ Xavg + Yavg ≤ 0,95, des grains de cristal comportant chacun une structure de cristal cubique sont contenus dans des grains de cristal qui constituent la couche de nitrure composite ou de carbonitrure composite (2), et un changement périodique spécifique du rapport de composition de Ti, Al et Me se produit dans les grains de cristal comportant chacun une structure de cristal cubique.
(JA) 硬質被覆層が、組成式:(Ti1-x―yAlMe)(C1-z)で表される複合窒化物または複合炭窒化物層(2)(但し、Meは、Si、Zr、B、V、Crの中から選ばれる一種の元素)を含み、Alの平均含有割合Xavg、Meの平均含有割合Yavg、Cの平均含有割合Zavgが、0.60≦Xavg、0.005≦Yavg≦0.10、0≦Zavg≦0.005、0.605≦Xavg+Yavg≦0.95を満足し、複合窒化物または複合炭窒化物層(2)を構成する結晶粒は、立方晶構造を有するものが存在し、立方晶構造を有する結晶粒内に、TiとAlとMeの所定の周期の組成変化が存在する表面被覆切削工具を提供する。
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, KE, KG, KN, KP, KR, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)