DE4036381C1 - - Google Patents

Info

Publication number
DE4036381C1
DE4036381C1 DE19904036381 DE4036381A DE4036381C1 DE 4036381 C1 DE4036381 C1 DE 4036381C1 DE 19904036381 DE19904036381 DE 19904036381 DE 4036381 A DE4036381 A DE 4036381A DE 4036381 C1 DE4036381 C1 DE 4036381C1
Authority
DE
Germany
Prior art keywords
nitrogen
nitriding
ammonia
pressure
gas atmosphere
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
DE19904036381
Other languages
German (de)
English (en)
Inventor
Friedrich Dipl.-Phys. Dr. 6470 Buedingen De Preisser
Rudolf Dipl.-Ing. Dr. 6454 Bruchkoebel De Seif
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Priority to DE19904036381 priority Critical patent/DE4036381C1/de
Priority to EP91104103A priority patent/EP0485686A1/fr
Priority to YU50691A priority patent/YU47730B/sh
Priority to PL28979491A priority patent/PL289794A1/xx
Priority to BR9101780A priority patent/BR9101780A/pt
Application granted granted Critical
Publication of DE4036381C1 publication Critical patent/DE4036381C1/de
Priority to CS913360A priority patent/CS336091A3/cs
Priority to JP29545091A priority patent/JPH076053B2/ja
Priority to CA 2055541 priority patent/CA2055541A1/fr
Priority to SU5001982 priority patent/RU2015197C1/ru
Priority to US07/926,023 priority patent/US5211768A/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
    • C23C8/26—Nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
DE19904036381 1990-11-15 1990-11-15 Expired - Lifetime DE4036381C1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE19904036381 DE4036381C1 (fr) 1990-11-15 1990-11-15
EP91104103A EP0485686A1 (fr) 1990-11-15 1991-03-16 Procédé de nitruration sous pression d'articles en acier
YU50691A YU47730B (sh) 1990-11-15 1991-03-22 Postupak za nitriranje pod pritiskom radnih komada od čelika
PL28979491A PL289794A1 (en) 1990-11-15 1991-04-09 Method of nitriding steel workpieces under pressure
BR9101780A BR9101780A (pt) 1990-11-15 1991-05-03 Processo para a nitracao de pecas de trabalho de aco sob pressao
CS913360A CS336091A3 (en) 1990-11-15 1991-11-06 Process of nitriding steel workpieces under pressure
JP29545091A JPH076053B2 (ja) 1990-11-15 1991-11-12 加圧下での鋼製工作物の窒化法
CA 2055541 CA2055541A1 (fr) 1990-11-15 1991-11-14 Procede de nitruration de pieces d'acier sous pression
SU5001982 RU2015197C1 (ru) 1990-11-15 1991-11-14 Способ азотирования заготовок из стали
US07/926,023 US5211768A (en) 1990-11-15 1992-08-07 Method of nitriding work pieces of steel under pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904036381 DE4036381C1 (fr) 1990-11-15 1990-11-15

Publications (1)

Publication Number Publication Date
DE4036381C1 true DE4036381C1 (fr) 1991-08-14

Family

ID=6418307

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904036381 Expired - Lifetime DE4036381C1 (fr) 1990-11-15 1990-11-15

Country Status (9)

Country Link
EP (1) EP0485686A1 (fr)
JP (1) JPH076053B2 (fr)
BR (1) BR9101780A (fr)
CA (1) CA2055541A1 (fr)
CS (1) CS336091A3 (fr)
DE (1) DE4036381C1 (fr)
PL (1) PL289794A1 (fr)
RU (1) RU2015197C1 (fr)
YU (1) YU47730B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588458A1 (fr) * 1992-09-16 1994-03-23 Daido Hoxan Inc. Méthode pour la nitruration d'un acier à austénite inoxydable
EP0652300A1 (fr) * 1993-10-05 1995-05-10 Hans Prof. Dr.-Ing. Berns Nitruration superficielle pour la production d'une couche austénitique à résistance élevée dans les aciers inoxydables

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5292555A (en) * 1990-07-04 1994-03-08 Degussa Aktiengesellschaft Process for applying nitride layers to titanium
DE4115135C1 (fr) * 1991-05-08 1992-02-27 Degussa Ag, 6000 Frankfurt, De
CH690019A5 (de) * 1992-07-16 2000-03-31 Giroflex Entwicklungs Ag Traggestell für einen Stuhl, insbesondere für einen in der Höhe und Neigung verstellbaren Bürostuhl.
FR2884879B1 (fr) * 2005-04-22 2007-08-03 Stephanois Rech Mec Couple d'organes de guidage dont l'un est en acier particulier conduisant a des performances ameliorees.
CN102994939B (zh) * 2013-01-07 2014-08-06 聊城市人和精工轴承有限公司 一种用于轴承保持器热处理的真空脉冲氮化工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779697A (en) * 1955-09-26 1957-01-29 United States Steel Corp Method of nitriding metallic surfaces

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1319729A (fr) * 1962-04-12 1963-03-01 P I M Prodotti Per L Ind Metal Procédé et four de traitement en phase gazeuse, de cémentation, nitruration et analogue sur des pièces métalliques
GB1510158A (en) * 1976-07-09 1978-05-10 Rolls Royce Motors Ltd Nitriding of steel
GB2055404B (en) * 1979-06-26 1983-02-16 Lucas Industries Ltd Gas nitriding steel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779697A (en) * 1955-09-26 1957-01-29 United States Steel Corp Method of nitriding metallic surfaces

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588458A1 (fr) * 1992-09-16 1994-03-23 Daido Hoxan Inc. Méthode pour la nitruration d'un acier à austénite inoxydable
US5376188A (en) * 1992-09-16 1994-12-27 Daidousanso Co., Ltd. Method of nitriding austenitic stainless steel products
EP0652300A1 (fr) * 1993-10-05 1995-05-10 Hans Prof. Dr.-Ing. Berns Nitruration superficielle pour la production d'une couche austénitique à résistance élevée dans les aciers inoxydables
CN1058758C (zh) * 1993-10-05 2000-11-22 汉斯·博恩 不锈钢中形成高强度奥氏体表面层的表面渗氮热处理方法

Also Published As

Publication number Publication date
JPH076053B2 (ja) 1995-01-25
RU2015197C1 (ru) 1994-06-30
PL289794A1 (en) 1992-06-01
YU50691A (sh) 1993-11-16
EP0485686A1 (fr) 1992-05-20
JPH04268063A (ja) 1992-09-24
CA2055541A1 (fr) 1992-05-16
CS336091A3 (en) 1992-06-17
YU47730B (sh) 1996-01-08
BR9101780A (pt) 1992-06-23

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8363 Opposition against the patent
8331 Complete revocation