EP4372115A4 - CEMENTED CARBIDE AND CUTTING TOOL USING SAME - Google Patents

CEMENTED CARBIDE AND CUTTING TOOL USING SAME Download PDF

Info

Publication number
EP4372115A4
EP4372115A4 EP22943731.4A EP22943731A EP4372115A4 EP 4372115 A4 EP4372115 A4 EP 4372115A4 EP 22943731 A EP22943731 A EP 22943731A EP 4372115 A4 EP4372115 A4 EP 4372115A4
Authority
EP
European Patent Office
Prior art keywords
same
cutting tool
cemented carbide
cemented
carbide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22943731.4A
Other languages
German (de)
French (fr)
Other versions
EP4372115B1 (en
EP4372115A1 (en
Inventor
Nobuo MIYASAKA
Takahiro Yamakawa
Kazuhiro Hirose
Katsuya Uchino
Tsuyoshi Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Hardmetal Corp
Original Assignee
Sumitomo Electric Hardmetal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Hardmetal Corp filed Critical Sumitomo Electric Hardmetal Corp
Publication of EP4372115A1 publication Critical patent/EP4372115A1/en
Publication of EP4372115A4 publication Critical patent/EP4372115A4/en
Application granted granted Critical
Publication of EP4372115B1 publication Critical patent/EP4372115B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/026—Spray drying of solutions or suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/20—Use of vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/15—Nickel or cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
    • B22F2302/10—Carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2200/00—Crystalline structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Powder Metallurgy (AREA)
  • Drilling Tools (AREA)
EP22943731.4A 2022-05-25 2022-05-25 Cemented carbide and cutting tool using the same Active EP4372115B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/021423 WO2023228328A1 (en) 2022-05-25 2022-05-25 Cemented carbide and cutting tool using same

Publications (3)

Publication Number Publication Date
EP4372115A1 EP4372115A1 (en) 2024-05-22
EP4372115A4 true EP4372115A4 (en) 2024-10-23
EP4372115B1 EP4372115B1 (en) 2025-11-26

Family

ID=88918722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22943731.4A Active EP4372115B1 (en) 2022-05-25 2022-05-25 Cemented carbide and cutting tool using the same

Country Status (6)

Country Link
US (1) US20240352561A1 (en)
EP (1) EP4372115B1 (en)
JP (1) JP7401048B1 (en)
CN (1) CN117916397A (en)
TW (1) TW202346614A (en)
WO (1) WO2023228328A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7501800B1 (en) * 2023-02-07 2024-06-18 住友電気工業株式会社 Carbide alloy and cutting tool using same
JP7782777B1 (en) * 2024-09-26 2025-12-09 住友電工ハードメタル株式会社 Cemented Carbide and Cutting Tools

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006131974A (en) * 2004-11-08 2006-05-25 Sumitomo Electric Ind Ltd Cemented carbide
CN110578067A (en) * 2019-10-30 2019-12-17 株洲硬质合金集团有限公司 Sintering method of superfine hard alloy

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3811938B2 (en) * 2000-02-28 2006-08-23 三菱マテリアル株式会社 A miniature drill made of a fine-grain pressure-sintered compact that exhibits excellent fracture resistance and wear resistance in high-speed drilling.
JP2004162080A (en) * 2002-11-08 2004-06-10 Hitachi Tool Engineering Ltd Tough microparticulate cemented carbide
JP2006255825A (en) * 2005-03-16 2006-09-28 Hitachi Tool Engineering Ltd Wc-based cemented carbide member
JP3952209B2 (en) 2005-09-27 2007-08-01 日立ツール株式会社 WC-base cemented carbide member
JP4924808B2 (en) * 2006-08-08 2012-04-25 冨士ダイス株式会社 Super fine cemented carbide
JP2011208268A (en) * 2010-03-30 2011-10-20 Hitachi Tool Engineering Ltd Ultrafine particle cemented carbide
JP2012117100A (en) 2010-11-30 2012-06-21 Sumitomo Electric Ind Ltd Cemented carbide
JP5289532B2 (en) 2011-10-07 2013-09-11 京セラ株式会社 Cemented carbide and rotary tool using the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006131974A (en) * 2004-11-08 2006-05-25 Sumitomo Electric Ind Ltd Cemented carbide
CN110578067A (en) * 2019-10-30 2019-12-17 株洲硬质合金集团有限公司 Sintering method of superfine hard alloy

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
JAROENWORALUCK A. ET AL: "Segregation of Vanadium at the WC/Co Interface in VC-doped WC-Co", JOURNAL OF MATERIALS RESEARCH, vol. 13, no. 9, 1 September 1998 (1998-09-01), US, pages 2450 - 2452, XP093199797, ISSN: 0884-2914, DOI: 10.1557/JMR.1998.0341 *
KAWAKAMI MASARU ET AL: "Segregation layers of grain growth inhibitors at WC/WC interfaces in VC-doped submicron-grained WC-Co cemented carbides", INTERNATIONAL JOURNAL OF REFRACTORY METALS AND HARD MATERIALS, vol. 52, 26 June 2015 (2015-06-26), AMSTERDAM, NL, pages 229 - 234, XP093199796, ISSN: 0263-4368, DOI: 10.1016/j.ijrmhm.2015.06.014 *
LAN SUN ET AL: "VC, CrCdoped ultrafine WC Co cemented carbides prepared by spark plasma sintering", INTERNATIONAL JOURNAL OF REFRACTORY METALS AND HARD MATERIALS, ELSEVIER, AMSTERDAM, NL, vol. 29, no. 2, 8 September 2010 (2010-09-08), pages 147 - 152, XP028127591, ISSN: 0263-4368, [retrieved on 20100917], DOI: 10.1016/J.IJRMHM.2010.09.004 *
MASARU KAWAKAMI ET AL: "Effect of Sintering Cooling Rate on V Segregation Amount at WC/Co Interface in VC-doped WC-Co Fine-Grained Hardmetal", J. JPN. SOC. POWDER POWDER METALLURGY, vol. 51, no. 8, 15 August 2004 (2004-08-15), pages 576 - 585, XP093199791 *
See also references of WO2023228328A1 *

Also Published As

Publication number Publication date
CN117916397A (en) 2024-04-19
EP4372115B1 (en) 2025-11-26
TW202346614A (en) 2023-12-01
WO2023228328A1 (en) 2023-11-30
US20240352561A1 (en) 2024-10-24
JP7401048B1 (en) 2023-12-19
JPWO2023228328A1 (en) 2023-11-30
EP4372115A1 (en) 2024-05-22

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