EP0699772A3 - Use of surface nitrided molybdenum as an extrusion die - Google Patents

Use of surface nitrided molybdenum as an extrusion die Download PDF

Info

Publication number
EP0699772A3
EP0699772A3 EP95202051A EP95202051A EP0699772A3 EP 0699772 A3 EP0699772 A3 EP 0699772A3 EP 95202051 A EP95202051 A EP 95202051A EP 95202051 A EP95202051 A EP 95202051A EP 0699772 A3 EP0699772 A3 EP 0699772A3
Authority
EP
European Patent Office
Prior art keywords
extrusion die
surface nitrided
nitrided molybdenum
molybdenum
extrusion
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
EP95202051A
Other languages
German (de)
French (fr)
Other versions
EP0699772A2 (en
EP0699772B1 (en
Inventor
Gerhard Dipl-Ing Leichtfried
Hans-Peter Dr Martinz
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.)
Plansee SE
Original Assignee
Plansee SE
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 Plansee SE filed Critical Plansee SE
Publication of EP0699772A2 publication Critical patent/EP0699772A2/en
Publication of EP0699772A3 publication Critical patent/EP0699772A3/en
Application granted granted Critical
Publication of EP0699772B1 publication Critical patent/EP0699772B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—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
    • C23C—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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extrusion Of Metal (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Catalysts (AREA)
  • Powder Metallurgy (AREA)

Abstract

Mo alloys are used as extrusion dies after being surface-nitrided.
EP95202051A 1994-08-01 1995-07-26 Use of surface nitrided molybdenum as an extrusion die Expired - Lifetime EP0699772B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0151194A AT401778B (en) 1994-08-01 1994-08-01 USE OF MOLYBDENUM ALLOYS
AT1511/94 1994-08-01

Publications (3)

Publication Number Publication Date
EP0699772A2 EP0699772A2 (en) 1996-03-06
EP0699772A3 true EP0699772A3 (en) 1996-10-16
EP0699772B1 EP0699772B1 (en) 1998-12-02

Family

ID=3515287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95202051A Expired - Lifetime EP0699772B1 (en) 1994-08-01 1995-07-26 Use of surface nitrided molybdenum as an extrusion die

Country Status (5)

Country Link
US (1) US5645944A (en)
EP (1) EP0699772B1 (en)
AT (2) AT401778B (en)
DE (1) DE59504397D1 (en)
ES (1) ES2125552T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6371261B1 (en) * 1997-11-06 2002-04-16 Otis Elevator Company Molybdenum alloy elevator safety brakes
JP4307649B2 (en) * 1999-09-06 2009-08-05 独立行政法人科学技術振興機構 High toughness / high strength refractory metal alloy material and method for producing the same
AT14986U1 (en) * 2015-10-05 2016-10-15 Plansee Se Component of a metalworking machine
CN107034404B (en) * 2017-04-18 2019-01-22 中南大学 A kind of MoHfTiBC system molybdenum alloy

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121730A (en) * 1973-03-23 1974-11-21
US4228670A (en) * 1977-10-26 1980-10-21 Bbc Brown, Boveri & Company, Limited Process for the isothermal forging of a work piece
US4657735A (en) * 1985-10-02 1987-04-14 Amax Inc. Mo-Hf-C alloy composition
US4717538A (en) * 1986-11-28 1988-01-05 Gte Products Corporation Molybdenum-tungsten-titanium-zirconium-carbon alloy system
JPH01111833A (en) * 1987-10-26 1989-04-28 Toshiba Corp Wear-resistant alloy
SU1560617A1 (en) * 1988-03-01 1990-04-30 Предприятие П/Я А-1278 Method of nitriding molybdenum inserts of press-moulds

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU56821A1 (en) * 1967-09-05 1970-09-03
DE1758508C3 (en) * 1968-06-15 1974-01-24 Wieland-Werke Ag, 7900 Ulm Use of a composite material for the production of die inserts for dies for the extrusion of non-ferrous metals and alloys
US3801381A (en) * 1968-08-27 1974-04-02 Surface Technology Corp Composite nitrided articles
AT294529B (en) * 1970-02-02 1971-11-25 Plansee Metallwerk Extrusion die
US3701655A (en) * 1970-12-18 1972-10-31 Surface Technology Corp Columbium base alloy
US3830670A (en) * 1970-12-18 1974-08-20 Surface Technology Corp Graded multiphase carburized materials
US4026730A (en) * 1973-01-18 1977-05-31 Surface Technology Corporation Nitrided materials
US3994692A (en) * 1974-05-29 1976-11-30 Erwin Rudy Sintered carbonitride tool materials
US4799977A (en) * 1987-09-21 1989-01-24 Fansteel Inc. Graded multiphase oxycarburized and oxycarbonitrided material systems

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121730A (en) * 1973-03-23 1974-11-21
US4228670A (en) * 1977-10-26 1980-10-21 Bbc Brown, Boveri & Company, Limited Process for the isothermal forging of a work piece
US4657735A (en) * 1985-10-02 1987-04-14 Amax Inc. Mo-Hf-C alloy composition
US4717538A (en) * 1986-11-28 1988-01-05 Gte Products Corporation Molybdenum-tungsten-titanium-zirconium-carbon alloy system
JPH01111833A (en) * 1987-10-26 1989-04-28 Toshiba Corp Wear-resistant alloy
SU1560617A1 (en) * 1988-03-01 1990-04-30 Предприятие П/Я А-1278 Method of nitriding molybdenum inserts of press-moulds

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 7625, Derwent World Patents Index; AN 76-46574x, XP002009468 *
HU,S.J.: "Surface protecting layer properties of molybdenum alloy by combinded treatment of siliconizing and ion nitriding.", HEAT TREAT. MET., vol. 206, no. 10, October 1994 (1994-10-01), CHINA, pages 10 - 13, XP002009467 *
LAKHTIN, YU.M., KOGAN, YA.D., SHASHKOV, D.P., LIKHACHEVA, T.E.: "Effects of plastic deformation on the nuitriding of molybdenum alloyed with 0.2wt.% hafnium.", RUSS. METALL., no. 4, 1982, pages 151 - 154, XP000576912 *
PATENT ABSTRACTS OF JAPAN vol. 013, no. 336 (C - 623) 27 July 1989 (1989-07-27) *

Also Published As

Publication number Publication date
AT401778B (en) 1996-11-25
EP0699772A2 (en) 1996-03-06
US5645944A (en) 1997-07-08
ATE174071T1 (en) 1998-12-15
ATA151194A (en) 1996-04-15
DE59504397D1 (en) 1999-01-14
ES2125552T3 (en) 1999-03-01
EP0699772B1 (en) 1998-12-02

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