JPS55136190A - Boride coated sintered carbide - Google Patents

Boride coated sintered carbide

Info

Publication number
JPS55136190A
JPS55136190A JP2416380A JP2416380A JPS55136190A JP S55136190 A JPS55136190 A JP S55136190A JP 2416380 A JP2416380 A JP 2416380A JP 2416380 A JP2416380 A JP 2416380A JP S55136190 A JPS55136190 A JP S55136190A
Authority
JP
Japan
Prior art keywords
sintered carbide
coated sintered
boride coated
boride
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.)
Pending
Application number
JP2416380A
Other languages
English (en)
Inventor
Yuujin Haare Toomasu
Kaaru Ruusu Roi
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.)
General Electric Co
Original Assignee
General Electric Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21779627&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS55136190(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Publication of JPS55136190A publication Critical patent/JPS55136190A/ja
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/38Borides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/148Composition of the cutting inserts
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C30/00Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/911Penetration resistant layer
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/922Static electricity metal bleed-off metallic stock
    • Y10S428/9265Special properties
    • Y10S428/932Abrasive or cutting feature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/922Static electricity metal bleed-off metallic stock
    • Y10S428/9335Product by special process
    • Y10S428/938Vapor deposition or gas diffusion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12014All metal or with adjacent metals having metal particles
    • Y10T428/12028Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12049Nonmetal component
    • Y10T428/12056Entirely inorganic
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12576Boride, carbide or nitride component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Vapour Deposition (AREA)
  • Physical Vapour Deposition (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
JP2416380A 1979-03-02 1980-02-29 Boride coated sintered carbide Pending JPS55136190A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/016,902 US4268582A (en) 1979-03-02 1979-03-02 Boride coated cemented carbide

Publications (1)

Publication Number Publication Date
JPS55136190A true JPS55136190A (en) 1980-10-23

Family

ID=21779627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2416380A Pending JPS55136190A (en) 1979-03-02 1980-02-29 Boride coated sintered carbide

Country Status (7)

Country Link
US (1) US4268582A (ja)
EP (1) EP0015451B2 (ja)
JP (1) JPS55136190A (ja)
AU (1) AU535312B2 (ja)
BR (1) BR8001241A (ja)
CA (1) CA1149245A (ja)
DE (1) DE3067406D1 (ja)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403015A (en) * 1979-10-06 1983-09-06 Sumitomo Electric Industries, Ltd. Compound sintered compact for use in a tool and the method for producing the same
US4453951A (en) * 1980-07-09 1984-06-12 General Electric Co. Process for the production of silicone carbide composite
US4417906A (en) * 1980-07-09 1983-11-29 General Electric Company Process for production of silicon carbide composite
US4448591A (en) * 1981-01-21 1984-05-15 General Electric Company Cutting insert having unique cross section
US4402764A (en) * 1981-03-05 1983-09-06 Turbine Metal Technology, Inc. Method for producing abrasion and erosion resistant articles
US4343865A (en) * 1981-06-24 1982-08-10 General Electric Company Hard metal body and method of making same
US4436775A (en) 1981-06-24 1984-03-13 General Electric Company Hard metal body and method of making same
CH647556A5 (fr) * 1981-07-02 1985-01-31 Stellram Sa Piece d'usure en materiau refractaire.
US4645715A (en) * 1981-09-23 1987-02-24 Energy Conversion Devices, Inc. Coating composition and method
US4698070A (en) * 1981-12-16 1987-10-06 General Electric Company Cutting insert for interrupted heavy machining
US4483892A (en) * 1981-12-16 1984-11-20 General Electric Company Wear resistant annular insert and process for making same
US4460382A (en) * 1981-12-16 1984-07-17 General Electric Company Brazable layer for indexable cutting insert
US4544517A (en) * 1981-12-16 1985-10-01 General Electric Co. Automatic composite press technique for producing cutting inserts
US4497639A (en) * 1981-12-16 1985-02-05 General Electric Company Silicon carbide cutting insert with pre-pressed core center piece and sintered diamond envelope
US4442169A (en) * 1982-01-28 1984-04-10 General Electric Company Multiple coated cutting tool and method for producing same
JPS5918349B2 (ja) * 1982-07-12 1984-04-26 工業技術院長 炭窒化チタン−ホウ化金属系セラミツクス材料
DE3332260A1 (de) * 1983-09-07 1985-03-28 Fried. Krupp Gmbh, 4300 Essen Beschichteter hartmetallkoerper
US4668538A (en) * 1984-07-10 1987-05-26 Westinghouse Electric Corp. Processes for depositing metal compound coatings
US4761346A (en) * 1984-11-19 1988-08-02 Avco Corporation Erosion-resistant coating system
US4741975A (en) * 1984-11-19 1988-05-03 Avco Corporation Erosion-resistant coating system
EP0188057A1 (en) * 1984-11-19 1986-07-23 Avco Corporation Erosion resistant coatings
JPS627673A (ja) * 1985-06-19 1987-01-14 旭硝子株式会社 ZrB↓2系焼結体
US4698266A (en) * 1985-11-18 1987-10-06 Gte Laboratories Incorporated Coated cemented carbide tool for steel roughing applications and methods for machining
US4708037A (en) * 1985-11-18 1987-11-24 Gte Laboratories Incorporated Coated cemented carbide tool for steel roughing applications and methods for machining
US4781989A (en) * 1986-03-07 1988-11-01 Mitsubishi Kinzoku Kabushiki Kaisha Surface-coated cutting member
US4696352A (en) * 1986-03-17 1987-09-29 Gte Laboratories Incorporated Insert for a drilling tool bit and a method of drilling therewith
US4692385A (en) * 1986-04-14 1987-09-08 Materials Development Corporation Triplex article
JPH0732961B2 (ja) * 1986-10-03 1995-04-12 三菱マテリアル株式会社 表面被覆炭化タングステン基超硬合金製切削工具
AT387988B (de) * 1987-08-31 1989-04-10 Plansee Tizit Gmbh Verfahren zur herstellung mehrlagig beschichteter hartmetallteile
US4787464A (en) * 1987-11-13 1988-11-29 Gte Products Corporation Variable rake mine tool insert and method of use
US5116416A (en) * 1988-03-11 1992-05-26 Vermont American Corporation Boron-treated hard metal
US4961780A (en) * 1988-06-29 1990-10-09 Vermont American Corporation Boron-treated hard metal
FR2668480B1 (fr) * 1990-10-26 1993-10-08 Propulsion Ste Europeenne Procede pour la protection anti-oxydation d'un materiau composite contenant du carbone, et materiau ainsi protege.
US5269387A (en) * 1992-02-27 1993-12-14 Tungco, Incorporated Insert for mine roof tool bit
DE4437053A1 (de) * 1994-10-18 1996-02-08 Widia Gmbh WC-Hartlegierung, Verfahren zu seiner Herstellung und seiner Verwendung
US5753382A (en) * 1996-01-10 1998-05-19 Moltech Invent S.A. Carbon bodies resistant to deterioration by oxidizing gases
SE506949C2 (sv) * 1996-07-19 1998-03-09 Sandvik Ab Hårdmetallverktyg med borerad ytzon och användning av detta för kallbearbetningsoperationer
DE19719195A1 (de) * 1997-05-09 1998-11-12 Widia Gmbh Schneideinsatz zum Zerspanen und Verfahren zur Herstellung dieses Schneideinsatzes
US6478887B1 (en) * 1998-12-16 2002-11-12 Smith International, Inc. Boronized wear-resistant materials and methods thereof
SE522722C2 (sv) 2001-03-28 2004-03-02 Seco Tools Ab Skärverktyg belagt med titandiborid
GB0118755D0 (en) * 2001-08-01 2001-09-26 Univ Leeds Wear resistant boride based coatings
EP1587676A4 (en) * 2002-11-15 2010-07-21 Univ Utah Res Found INTEGRATED TITANIUM BORON COATINGS APPLIED ON TITANIUM SURFACES AND RELATED METHODS
US7459105B2 (en) * 2005-05-10 2008-12-02 University Of Utah Research Foundation Nanostructured titanium monoboride monolithic material and associated methods
US8016056B2 (en) * 2005-07-01 2011-09-13 Sandvik Intellectual Property Ab Asymmetric graded composites for improved drill bits
EP2209929B1 (de) * 2007-12-06 2013-08-21 Ceratizit Austria GmbH Beschichtetes werkzeug
US20100176339A1 (en) * 2009-01-12 2010-07-15 Chandran K S Ravi Jewelry having titanium boride compounds and methods of making the same
MX2013003900A (es) * 2010-10-08 2013-12-02 Baker Hughes Inc Materiales compuestos que incluyen nanoparticulas, herramientas para perforacion en la tierra y componentes que incluyen tales materiales compuestos, materiales policristalinos que incluyen nanoparticulas y metodos relacionados.
JP5734318B2 (ja) * 2011-02-01 2015-06-17 オーエスジー株式会社 硬質積層被膜
US9109280B2 (en) * 2011-02-01 2015-08-18 Osg Corporation Hard laminar coating
JP5896326B2 (ja) * 2012-10-02 2016-03-30 住友電工ハードメタル株式会社 表面被覆切削工具およびその製造方法
JP5896327B2 (ja) * 2012-10-02 2016-03-30 住友電工ハードメタル株式会社 表面被覆切削工具およびその製造方法
CZ305986B6 (cs) * 2013-02-15 2016-06-08 Technická univerzita v Liberci Povlakované nástroje závitořezné z rychlořezné oceli, zejména závitníky
US9896585B2 (en) 2014-10-08 2018-02-20 General Electric Company Coating, coating system, and coating method
CN109072360A (zh) * 2016-01-25 2018-12-21 超级金属公司 四硼化钨之粘合剂组合物及彼之研磨方法
CN110079775B (zh) * 2019-04-30 2021-06-15 江苏理工学院 一种钼合金表面MoSi2涂层的制备方法
CN112063983B (zh) * 2020-07-31 2021-11-05 广东工业大学 一种带HfB2涂层的刀具及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832732A (ja) * 1971-09-02 1973-05-02
JPS5014549A (ja) * 1973-05-07 1975-02-15
JPS5441211A (en) * 1977-09-09 1979-04-02 Sumitomo Electric Ind Ltd Covered superhard alloy parts

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844492A (en) * 1953-02-26 1958-07-22 Siemens Plania Werke Ag Fuer K Method of producing heat resisting metallic materials and formed bodies
DE1056450B (de) 1955-05-25 1959-04-30 Metallgesellschaft Ag Verfahren zur Herstellung von UEberzuegen aus Hartstoffen
US3029162A (en) * 1959-05-21 1962-04-10 Chromalloy Corp Process for the production of metallic borides on the surface of metals
US3459515A (en) * 1964-03-31 1969-08-05 Du Pont Cermets of aluminum with titanium carbide and titanium and zirconium borides
US3647576A (en) * 1967-12-26 1972-03-07 Suwa Seikosha Kk Method of hardening sintered cemented carbide compositions by boronizing
US3547673A (en) * 1969-02-19 1970-12-15 Wall Colmonoy Corp Method of forming cermet-type protective coatings on heat resistant alloys
US3784402A (en) * 1969-05-02 1974-01-08 Texas Instruments Inc Chemical vapor deposition coatings on titanium
US3656995A (en) * 1969-05-02 1972-04-18 Texas Instruments Inc Chemical vapor deposition coatings on titanium
BE759088A (fr) * 1969-11-28 1971-04-30 Deutsche Edelstahlwerke Ag Couche de revetement d'elements en metal dur pour usinage avec ou sans enlevement de copeaux et procede de depot d'une telle couche
US3712798A (en) * 1970-01-06 1973-01-23 Surface Technology Corp Chromium boride coated articles
US3640689A (en) * 1970-03-04 1972-02-08 Fansteel Inc Composite hard metal product
US3661524A (en) * 1970-04-14 1972-05-09 Ppg Industries Inc Preparation of titanium carbide
AT301299B (de) * 1970-09-09 1972-08-25 Plansee Metallwerk Verwendung von Zerspanungswerkzeugen zur Bearbeitung von Belag bildenden Stählen
US3787245A (en) * 1970-10-26 1974-01-22 Inst Haertereitechn Method for the boration of titanium and titanium alloys
CH540990A (fr) * 1971-07-07 1973-08-31 Battelle Memorial Institute Procédé pour augmenter la résistance à l'usure de la surface d'un outil de coupe
US4162338A (en) * 1972-02-04 1979-07-24 Schwarzkopf Development Corporation Coated cemented carbide elements and their manufacture
DE2263210B2 (de) * 1972-02-04 1977-03-17 Metallwerk Plansee AG & Co. KG, Reutte, Tirol (Österreich) Verschleissteil aus hartmetall, insbesondere fuer werkzeuge
US3811961A (en) * 1972-03-09 1974-05-21 Chromalloy American Corp Boridized steel-bonded carbides
US4040870A (en) * 1973-05-07 1977-08-09 Chemetal Corporation Deposition method
US4196233A (en) * 1974-02-07 1980-04-01 Ciba-Geigy Corporation Process for coating inorganic substrates with carbides, nitrides and/or carbonitrides
US3882581A (en) * 1974-03-13 1975-05-13 Minnesota Mining & Mfg Coated, partially laminated carbide cutting tool insert
DE2435989C2 (de) * 1974-07-26 1982-06-24 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung eines verschleißfesten, beschichteten Hartmetallkörpers für Zerspanungszwecke
DE2525185C3 (de) * 1975-06-06 1986-04-17 Fried. Krupp Gmbh, 4300 Essen Hartmetallkörper
US4018631A (en) * 1975-06-12 1977-04-19 General Electric Company Coated cemented carbide product
US4153483A (en) * 1975-06-19 1979-05-08 Chemetal Corporation Deposition method and products
US4035541A (en) * 1975-11-17 1977-07-12 Kennametal Inc. Sintered cemented carbide body coated with three layers
US4150984A (en) * 1977-09-15 1979-04-24 Ngk Spark Plug Co., Ltd. Tungsten carbide-base sintered alloys and method for production thereof
CH632944A5 (fr) * 1978-06-22 1982-11-15 Stellram Sa Piece d'usure en metal dur.
US4187344A (en) * 1978-09-27 1980-02-05 Norton Company Protective silicon nitride or silicon oxynitride coating for porous refractories

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832732A (ja) * 1971-09-02 1973-05-02
JPS5014549A (ja) * 1973-05-07 1975-02-15
JPS5441211A (en) * 1977-09-09 1979-04-02 Sumitomo Electric Ind Ltd Covered superhard alloy parts

Also Published As

Publication number Publication date
US4268582A (en) 1981-05-19
CA1149245A (en) 1983-07-05
EP0015451B1 (en) 1984-04-11
BR8001241A (pt) 1980-11-04
AU5583380A (en) 1980-09-04
EP0015451B2 (en) 1989-07-26
DE3067406D1 (en) 1984-05-17
EP0015451A1 (en) 1980-09-17
AU535312B2 (en) 1984-03-15

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