EP0789086A3 - Process for preparing a metallic material having high hardness and its use - Google Patents

Process for preparing a metallic material having high hardness and its use Download PDF

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Publication number
EP0789086A3
EP0789086A3 EP97400093A EP97400093A EP0789086A3 EP 0789086 A3 EP0789086 A3 EP 0789086A3 EP 97400093 A EP97400093 A EP 97400093A EP 97400093 A EP97400093 A EP 97400093A EP 0789086 A3 EP0789086 A3 EP 0789086A3
Authority
EP
European Patent Office
Prior art keywords
substantially free
preparing
metallic material
high hardness
coating
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.)
Withdrawn
Application number
EP97400093A
Other languages
German (de)
French (fr)
Other versions
EP0789086A2 (en
Inventor
Marc Le Calvar
Jean-Louis Deneuville
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.)
Areva NP SAS
Original Assignee
Framatome SA
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 Framatome SA filed Critical Framatome SA
Publication of EP0789086A2 publication Critical patent/EP0789086A2/en
Publication of EP0789086A3 publication Critical patent/EP0789086A3/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • C22C1/0433—Nickel- or cobalt-based alloys
    • 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
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • 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
    • B22F2201/10—Inert gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)

Abstract

On soumet une poudre d'un alliage métallique renfermant principalement l'un au moins des éléments fer et nickel ainsi que du chrome, à une compression isostatique à haute température, la pression, la température et la durée du traitement de compression isostatique étant définies pour obtenir un matériau homogène et isotrope à grains fins sensiblement exempt de fissures et de défauts volumiques. De préférence, l'alliage métallique est sensiblement exempt de cobalt. Le procédé peut être utilisé en particulier pour réaliser un revêtement antiusure sur une pièce métallique. Le procédé s'applique à la fabrication ou au revêtement de pièces de frottement utilisées dans une centrale nucléaire.

Figure 00000001
A powder of a metallic alloy containing mainly at least one of the elements iron and nickel as well as chromium is subjected to isostatic compression at high temperature, the pressure, the temperature and the duration of the isostatic compression treatment being defined for obtain a homogeneous and isotropic material with fine grains substantially free from cracks and volume defects. Preferably, the metal alloy is substantially free of cobalt. The method can be used in particular to produce an antiwear coating on a metal part. The method applies to the manufacture or coating of friction parts used in a nuclear power plant.
Figure 00000001
EP97400093A 1996-01-30 1997-01-16 Process for preparing a metallic material having high hardness and its use Withdrawn EP0789086A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9601093A FR2744046B1 (en) 1996-01-30 1996-01-30 METHOD FOR MANUFACTURING HIGH-HARDNESS METAL MATERIAL AND USES THEREOF
FR9601093 1996-01-30

Publications (2)

Publication Number Publication Date
EP0789086A2 EP0789086A2 (en) 1997-08-13
EP0789086A3 true EP0789086A3 (en) 1998-01-07

Family

ID=9488633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400093A Withdrawn EP0789086A3 (en) 1996-01-30 1997-01-16 Process for preparing a metallic material having high hardness and its use

Country Status (4)

Country Link
EP (1) EP0789086A3 (en)
JP (1) JPH09310132A (en)
CA (1) CA2196331A1 (en)
FR (1) FR2744046B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11342442A (en) * 1998-04-20 1999-12-14 Crucible Materials Corp Method of manufacturing forged iron-nickel system superalloy

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1425774A (en) * 1964-02-27 1966-01-24 Eutectic Welding Alloys Process and metal powder for welding
GB2005305A (en) * 1977-10-04 1979-04-19 Creusot Loire Nickel-based alloy for nuclear power station components
US4401724A (en) * 1978-01-18 1983-08-30 Scm Corporation Spray-and-fuse self-fluxing alloy powder coating
WO1986004841A1 (en) * 1985-02-19 1986-08-28 Asea Stal Ab Method in producing a molding of an iron alloy
JPS6289843A (en) * 1985-10-14 1987-04-24 Kobe Steel Ltd Sintered tool steel
EP0341643A1 (en) * 1988-05-09 1989-11-15 SEILSTORFER GMBH & CO. METALLURGISCHE VERFAHRENSTECHNIK KG Corrosion-resistant cold-worked steel and composite containing a matrix of this cold-worked steel and a hard material
JPH02200748A (en) * 1989-01-31 1990-08-09 Mitsubishi Metal Corp Ni-alloy powder for lining cylinder member for injection molding machine and extrusion molding machine and above cylinder member lined with above powder
JPH0347946A (en) * 1989-07-17 1991-02-28 Nkk Corp Manufacture of boron-containing austenitic stainless steel having excellent hot workability as well as cold ductility and toughness
JPH03277747A (en) * 1990-03-27 1991-12-09 Hitachi Metals Ltd Material for high corrosion resistant and wear resistant tool parts
JPH04185415A (en) * 1990-11-20 1992-07-02 Hitachi Metals Ltd Composite cylinder with lining layer composed of corrosion-resistant and wear-resistant alloy
JPH07216584A (en) * 1994-01-26 1995-08-15 Kuroki Kogyosho:Kk Conductor roll and ts production

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1425774A (en) * 1964-02-27 1966-01-24 Eutectic Welding Alloys Process and metal powder for welding
GB2005305A (en) * 1977-10-04 1979-04-19 Creusot Loire Nickel-based alloy for nuclear power station components
US4401724A (en) * 1978-01-18 1983-08-30 Scm Corporation Spray-and-fuse self-fluxing alloy powder coating
WO1986004841A1 (en) * 1985-02-19 1986-08-28 Asea Stal Ab Method in producing a molding of an iron alloy
JPS6289843A (en) * 1985-10-14 1987-04-24 Kobe Steel Ltd Sintered tool steel
EP0341643A1 (en) * 1988-05-09 1989-11-15 SEILSTORFER GMBH & CO. METALLURGISCHE VERFAHRENSTECHNIK KG Corrosion-resistant cold-worked steel and composite containing a matrix of this cold-worked steel and a hard material
JPH02200748A (en) * 1989-01-31 1990-08-09 Mitsubishi Metal Corp Ni-alloy powder for lining cylinder member for injection molding machine and extrusion molding machine and above cylinder member lined with above powder
JPH0347946A (en) * 1989-07-17 1991-02-28 Nkk Corp Manufacture of boron-containing austenitic stainless steel having excellent hot workability as well as cold ductility and toughness
JPH03277747A (en) * 1990-03-27 1991-12-09 Hitachi Metals Ltd Material for high corrosion resistant and wear resistant tool parts
JPH04185415A (en) * 1990-11-20 1992-07-02 Hitachi Metals Ltd Composite cylinder with lining layer composed of corrosion-resistant and wear-resistant alloy
JPH07216584A (en) * 1994-01-26 1995-08-15 Kuroki Kogyosho:Kk Conductor roll and ts production

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 117, no. 2, 13 July 1992, Columbus, Ohio, US; abstract no. 12062, ITO, YUJI ET AL: "Sintered iron alloys for corrosion- and wear-resistant tools" XP002044671 *
DATABASE WPI Section Ch Week 9233, Derwent World Patents Index; Class A32, AN 92-272811, XP002016817 *
DATABASE WPI Section Ch Week 9541, Derwent World Patents Index; Class M13, AN 95-317944, XP002016818 *
PATENT ABSTRACTS OF JAPAN vol. 011, no. 297 (C - 448) 25 September 1987 (1987-09-25) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 485 (C - 0772) 23 October 1990 (1990-10-23) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 189 (C - 0831) 15 May 1991 (1991-05-15) *

Also Published As

Publication number Publication date
CA2196331A1 (en) 1997-07-31
FR2744046B1 (en) 1998-04-30
EP0789086A2 (en) 1997-08-13
JPH09310132A (en) 1997-12-02
FR2744046A1 (en) 1997-08-01

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