DE69230706T2 - Ionische Plasma-nitrierte rostfreie Stahlbleche und Verfahren zu ihrer Herstellung - Google Patents

Ionische Plasma-nitrierte rostfreie Stahlbleche und Verfahren zu ihrer Herstellung

Info

Publication number
DE69230706T2
DE69230706T2 DE69230706T DE69230706T DE69230706T2 DE 69230706 T2 DE69230706 T2 DE 69230706T2 DE 69230706 T DE69230706 T DE 69230706T DE 69230706 T DE69230706 T DE 69230706T DE 69230706 T2 DE69230706 T2 DE 69230706T2
Authority
DE
Germany
Prior art keywords
interdependancies
manufacture
stainless steel
steel sheets
press plates
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.)
Expired - Lifetime
Application number
DE69230706T
Other languages
English (en)
Other versions
DE69230706D1 (de
Inventor
Kenneth J Laurence
Wolfgang Kieferle
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.)
Diller Corp
Original Assignee
Formica 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 Formica Corp filed Critical Formica Corp
Application granted granted Critical
Publication of DE69230706D1 publication Critical patent/DE69230706D1/de
Publication of DE69230706T2 publication Critical patent/DE69230706T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/08Solid 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
    • C23C8/24Nitriding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/06Embossing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06Platens or press rams
    • B30B15/062Press plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/36Solid 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 using ionised gases, e.g. ionitriding
    • C23C8/38Treatment of ferrous surfaces
    • 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
    • C23C8/00Solid 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
    • C23C8/80After-treatment
    • 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
    • Y10S76/00Metal tools and implements, making
    • Y10S76/02Case hardening

Landscapes

  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Laminated Bodies (AREA)
  • Chemical Vapour Deposition (AREA)
  • Ceramic Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE69230706T 1991-12-19 1992-12-15 Ionische Plasma-nitrierte rostfreie Stahlbleche und Verfahren zu ihrer Herstellung Expired - Lifetime DE69230706T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/810,244 US5244375A (en) 1991-12-19 1991-12-19 Plasma ion nitrided stainless steel press plates and applications for same

Publications (2)

Publication Number Publication Date
DE69230706D1 DE69230706D1 (de) 2000-03-30
DE69230706T2 true DE69230706T2 (de) 2000-08-10

Family

ID=25203377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69230706T Expired - Lifetime DE69230706T2 (de) 1991-12-19 1992-12-15 Ionische Plasma-nitrierte rostfreie Stahlbleche und Verfahren zu ihrer Herstellung

Country Status (14)

Country Link
US (2) US5244375A (de)
EP (1) EP0548760B1 (de)
JP (1) JPH0734219A (de)
KR (1) KR930013196A (de)
CN (1) CN1083126A (de)
AT (1) ATE189906T1 (de)
AU (1) AU651780B2 (de)
CA (1) CA2083317C (de)
DE (1) DE69230706T2 (de)
ES (1) ES2142311T3 (de)
MX (1) MX9207359A (de)
NZ (1) NZ245181A (de)
SE (1) SE511732C2 (de)
TW (1) TW249248B (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4316442A1 (de) * 1993-05-18 1994-11-24 Carbontec Gmbh Verfahren zur Herstellung von faserverstärkten orthopädischen Teilen
US5693376A (en) * 1995-06-23 1997-12-02 Wisconsin Alumni Research Foundation Method for plasma source ion implantation and deposition for cylindrical surfaces
US5723221A (en) * 1996-04-26 1998-03-03 Formica Corporation Aluminous press plate and process for producing same
GB9614303D0 (en) * 1996-07-08 1996-09-04 Nsk Rhp Europe Technology Co Ltd Surface treatment of bearing steels
US5945214C1 (en) * 1996-08-28 2002-04-23 Premark Rwp Holdings Inc Diboride coated pressing surfaces for abrasion resistant laminate and making pressing surfaces
US6656329B1 (en) * 1996-08-28 2003-12-02 Premark Rwp Holdings, Inc. Coated pressing surfaces for abrasion resistant laminate and making laminates therefrom
US5851313A (en) * 1996-09-18 1998-12-22 The Timken Company Case-hardened stainless steel bearing component and process and manufacturing the same
US6190514B1 (en) 1997-12-30 2001-02-20 Premark Rwp Holdings, Inc. Method for high scan sputter coating to produce coated, abrasion resistant press plates with reduced built-in thermal stress
AT409612B (de) * 1999-01-21 2002-09-25 Boehler Bleche Gmbh Plattenförmiges presswerkzeug und verfahren zu dessen herstellung
JP2001043376A (ja) 1999-07-30 2001-02-16 Canon Inc 画像抽出方法及び装置並びに記憶媒体
US6584820B1 (en) 1999-09-23 2003-07-01 Polyclad Laminates, Inc. Surface enhanced metal press plates for use in manufacture of laminates and multilayer materials and method of making same
CN1085555C (zh) * 1999-12-01 2002-05-29 上海交通大学 渗氮废气排放与残余氨回收的装置及其方法
US6484566B1 (en) 2000-05-18 2002-11-26 Rheologics, Inc. Electrorheological and magnetorheological fluid scanning rheometer
GB2364530B (en) * 2000-06-21 2002-10-16 Alstom Power Nv Method of finish treating a steel blade for use in turbomachinery
US6327884B1 (en) 2000-09-29 2001-12-11 Wilson Tool International, Inc. Press brake tooling with hardened surfaces
JP3729061B2 (ja) * 2000-11-15 2005-12-21 松下電器産業株式会社 回路形成基板の製造方法
US20030064158A1 (en) * 2001-10-03 2003-04-03 Thirkeldsen C. G. Method and apparatus for improving corrosion resistance of chrome plated material
US6808751B2 (en) * 2001-10-03 2004-10-26 Industrial Hard Chrome Method for improving corrosion resistance of chrome plated material
AUPR898601A0 (en) * 2001-11-20 2001-12-13 Depco-Trh Pty Ltd Improved pressplate for laminate production
WO2004013367A2 (en) * 2002-07-29 2004-02-12 Koninklijke Philips Electronics N.V. Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver
US7754036B1 (en) * 2003-12-03 2010-07-13 The United States Of America As Represented By The Secretary Of The Navy Thermobaric explosives and compositions, and articles of manufacture and methods regarding the same
US7556699B2 (en) * 2004-06-17 2009-07-07 Cooper Clark Vantine Method of plasma nitriding of metals via nitrogen charging
US20050281958A1 (en) * 2004-06-22 2005-12-22 Walton Scott G Electron beam enhanced nitriding system (EBENS)
US7695573B2 (en) * 2004-09-09 2010-04-13 Sikorsky Aircraft Corporation Method for processing alloys via plasma (ion) nitriding
US20060048857A1 (en) * 2004-09-09 2006-03-09 Cooper Clark V Method for processing alloys via high-current density ion implantation
US7687177B2 (en) * 2004-09-16 2010-03-30 General Motors Corporation Nitrided bipolar plates
JP4919968B2 (ja) * 2004-12-23 2012-04-18 ユナイテッド テクノロジーズ コーポレイション 鉄を含む構成要素の特性を高める組成及び方法
US8203095B2 (en) * 2006-04-20 2012-06-19 Materials & Electrochemical Research Corp. Method of using a thermal plasma to produce a functionally graded composite surface layer on metals
FR2939150B1 (fr) * 2008-12-01 2011-10-21 Quertech Ingenierie Procede de traitement d'une partie metallique par un faisceau d'ions
DE102010052894A1 (de) * 2010-12-01 2012-06-06 Oerlikon Trading Ag Kunststoffverarbeitungskomponente mit modifizierter Stahloberfläche
US8699655B2 (en) * 2011-03-10 2014-04-15 Westinghouse Electric Company, Llc Method of improving wear and corrosion resistance of rod control cluster assemblies
AT513190B9 (de) 2012-08-08 2014-05-15 Berndorf Hueck Band Und Pressblechtechnik Gmbh Vorrichtung und Verfahren zur Plasmabeschichtung eines Substrats, insbesondere eines Pressblechs
EP3282036B1 (de) 2016-02-09 2023-03-29 Wilsonart LLC Verfahren zur beschichtung von edelstahldruckplatten
CN109852922A (zh) * 2018-12-27 2019-06-07 陕西铁马铸锻有限公司 一种pc梁支座铰轴、辊轴防腐耐磨处理工艺
RU2760309C1 (ru) * 2020-11-20 2021-11-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский автомобильно-дорожный государственный технический университет (МАДИ)" Способ ионного азотирования изделий из конструкционных легированных сталей

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1995484A (en) * 1932-11-19 1935-03-26 Robert J Sullivan Armor plate
US3892597A (en) * 1972-04-13 1975-07-01 Midland Ross Corp Method of nitriding
US3928527A (en) * 1973-04-30 1975-12-23 Exxon Research Engineering Co Preparation of molding plate for production of high-pressure decorative textured laminates
CH590339A5 (de) * 1974-02-07 1977-08-15 Ciba Geigy Ag
US4036482A (en) * 1974-03-18 1977-07-19 Hawera Probst Kommanditgesellschaft Hartmetall-Werkzeugfabric Ravensburg Apparatus for hardening workpieces of steel
US3932085A (en) * 1974-07-17 1976-01-13 Stephen Horbach Mold base
DE2656470A1 (de) * 1976-12-09 1978-06-15 Hans Fiukowski Verfahren zur herstellung von schutzhelmen oder dergleichen und nach dem verfahren hergestellter gegenstand
GB1603832A (en) * 1977-05-31 1981-12-02 British Leyland Cars Ltd Method for the gaseous nitriding of ferrous metal components
DE2831791C2 (de) * 1978-07-19 1982-09-09 Gkss - Forschungszentrum Geesthacht Gmbh, 2000 Hamburg Bauteil aus metallischem Werkstoff mit aufladungsgefährdeter Oberfläche und Verwendung hierfür
ATE2909T1 (de) * 1978-07-08 1983-04-15 Wolfgang Kieferle Verfahren zum auflagern einer metall- oder legierungsschicht auf ein elektrisch leitendes werkstueck und vorrichtung zur durchfuehrung desselben.
US4264380A (en) * 1979-11-16 1981-04-28 General Electric Company Nitride casehardening process and the nitrided product thereof
US4446351A (en) * 1981-02-27 1984-05-01 Mitsubishi Denki Kabushiki Kaisha Process for preparing a press die
US4803127A (en) * 1983-02-25 1989-02-07 Liburdi Engineering Limited Vapor deposition of metal compound coating utilizing metal sub-halides and coated metal article
DE3322957C2 (de) * 1983-06-25 1985-05-15 Hauni-Werke Körber & Co KG, 2050 Hamburg Verfahren zum Härten der Oberfläche von Gegenständen aus Eisenwerkstoff
US4756774A (en) * 1984-09-04 1988-07-12 Fox Steel Treating Co. Shallow case hardening and corrosion inhibition process
GB2173513B (en) * 1985-02-25 1989-06-14 Lucas Ind Plc Making of steel component
GB8507230D0 (en) * 1985-03-20 1985-04-24 Lucas Ind Plc Thin flat article with hardened surfaces
AU582000B2 (en) * 1985-06-17 1989-03-09 Toyota Chuo Kenkyusho K.K. Treating the surface of iron alloy materials
EP0229159B1 (de) * 1985-06-18 1991-04-17 The Dow Chemical Company Verfahren zur herstellung von verstärkten verklebungen zwischen oberflächen und durch dieses verfahren hergestellten gegenständen
FR2588281B1 (fr) * 1985-10-08 1991-08-16 Air Liquide Procede de traitement thermique pour la realisation de pieces en acier resistant a la corrosion
US4738730A (en) * 1986-02-18 1988-04-19 Lindberg Corporation Steam sealing for nitrogen treated ferrous part
GB8608717D0 (en) * 1986-04-10 1986-05-14 Lucas Ind Plc Metal components
GB8616519D0 (en) * 1986-07-07 1986-08-13 Atomic Energy Authority Uk Stainless steels
KR880005354A (ko) * 1986-10-08 1988-06-28 나까무라 겐조 전자 작동기
GB8625912D0 (en) * 1986-10-29 1986-12-03 Electricity Council Thermochemical treatment
JP2584217B2 (ja) * 1986-11-18 1997-02-26 株式会社豊田中央研究所 表面処理方法
US4764394A (en) * 1987-01-20 1988-08-16 Wisconsin Alumni Research Foundation Method and apparatus for plasma source ion implantation
US4740483A (en) * 1987-03-02 1988-04-26 Motorola, Inc. Selective LPCVD tungsten deposition by nitridation of a dielectric
US4776901A (en) * 1987-03-30 1988-10-11 Teledyne Industries, Inc. Nitrocarburizing and nitriding process for hardening ferrous surfaces
US4853046A (en) * 1987-09-04 1989-08-01 Surface Combustion, Inc. Ion carburizing
US4921025A (en) * 1987-12-21 1990-05-01 Caterpillar Inc. Carburized low silicon steel article and process
US4872926A (en) * 1987-12-30 1989-10-10 American Air Liquide Process for heat treating metals or metal alloys in a thermal plasma
DE3800838C1 (de) * 1988-01-14 1989-09-14 Skf Gmbh, 8720 Schweinfurt, De
US4857119A (en) * 1988-03-01 1989-08-15 General Dynamics Lands Systems, Inc. Case-Hardened plate armor and method of making

Also Published As

Publication number Publication date
NZ245181A (en) 1995-12-21
JPH0734219A (ja) 1995-02-03
SE511732C2 (sv) 1999-11-15
AU3001992A (en) 1993-06-24
KR930013196A (ko) 1993-07-21
TW249248B (de) 1995-06-11
US5306531A (en) 1994-04-26
ATE189906T1 (de) 2000-03-15
SE9203739D0 (sv) 1992-12-11
MX9207359A (es) 1994-02-28
SE9203739L (sv) 1993-06-20
EP0548760A1 (de) 1993-06-30
DE69230706D1 (de) 2000-03-30
CN1083126A (zh) 1994-03-02
US5244375A (en) 1993-09-14
ES2142311T3 (es) 2000-04-16
CA2083317A1 (en) 1993-06-20
EP0548760B1 (de) 2000-02-23
AU651780B2 (en) 1994-07-28
CA2083317C (en) 2000-01-18

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