BR9101780A - Processo para a nitracao de pecas de trabalho de aco sob pressao - Google Patents

Processo para a nitracao de pecas de trabalho de aco sob pressao

Info

Publication number
BR9101780A
BR9101780A BR9101780A BR9101780A BR9101780A BR 9101780 A BR9101780 A BR 9101780A BR 9101780 A BR9101780 A BR 9101780A BR 9101780 A BR9101780 A BR 9101780A BR 9101780 A BR9101780 A BR 9101780A
Authority
BR
Brazil
Prior art keywords
nitration
work pieces
steel work
pressure steel
pressure
Prior art date
Application number
BR9101780A
Other languages
English (en)
Inventor
Friedrich Dr Preisser
Rudolf Dr Seif
Original Assignee
Degussa
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 filed Critical Degussa
Publication of BR9101780A publication Critical patent/BR9101780A/pt

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)
BR9101780A 1990-11-15 1991-05-03 Processo para a nitracao de pecas de trabalho de aco sob pressao BR9101780A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9101780A true BR9101780A (pt) 1992-06-23

Family

ID=6418307

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9101780A BR9101780A (pt) 1990-11-15 1991-05-03 Processo para a nitracao de pecas de trabalho de aco sob pressao

Country Status (9)

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

Families Citing this family (7)

* 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 (pt) * 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.
TW237484B (pt) * 1992-09-16 1995-01-01 Daido Oxygen
DE4333917C2 (de) * 1993-10-05 1994-06-23 Hans Prof Dr Ing Berns Randaufsticken zur Erzeugung einer hochfesten austenitischen Randschicht in nichtrostenden Stählen
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

Family Cites Families (4)

* 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
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

Also Published As

Publication number Publication date
YU47730B (sh) 1996-01-08
CS336091A3 (en) 1992-06-17
JPH076053B2 (ja) 1995-01-25
YU50691A (sh) 1993-11-16
DE4036381C1 (pt) 1991-08-14
EP0485686A1 (de) 1992-05-20
RU2015197C1 (ru) 1994-06-30
CA2055541A1 (en) 1992-05-16
JPH04268063A (ja) 1992-09-24
PL289794A1 (en) 1992-06-01

Similar Documents

Publication Publication Date Title
BR9004804A (pt) Processo para a fabricacao de filamento de aco
BR9406687A (pt) Processo para polimento de uma peça de trabalho
PT96843A (pt) Processo para a recuperacao de actinio-225 e bismuto-213
BR9105097A (pt) Processo para a regeneracao de areia usada de fundicao
BR9103931A (pt) Processo e aparelho para a producao de material de composite de metal base
BR8801679A (pt) Processo para a fosfatizacao de pecas de aco e emprego
BR8701458A (pt) Folha de aco para pintura e processo para sua producao
BR9103948A (pt) Processo para a producao de polimeros de estireno expandiveis
PT94188A (pt) Processo para a purificacao de acidos aminometilenofosfonicos
BR9302950A (pt) Processo para a producao de polifenil poliisocianatos de polimetileno
BR9400818A (pt) Processo para a preparação de dialquilpolihidroxiaminas terciárias
BR9406201A (pt) Processo para a produção de difluoro-metano
BR9203799A (pt) Processo para a producao de diritromicina
PT90593A (pt) Processo para a preparacao de nitrobenzenos
BR9101780A (pt) Processo para a nitracao de pecas de trabalho de aco sob pressao
BR9303358A (pt) Processo para a producao de aco
BR9501794A (pt) Aparelho e processo para a produção de tira de aço DR
PT101498A (pt) Processo para a producao de clorato de metal alcalino
BR9401308A (pt) Processo para a produção de derivados de fenol ortoisopropilatados
BR9404999A (pt) Explosivo e processo para a fabricaçÃo do mesmo
BR9503611A (pt) Processo para a produçao contínua de compostos nitroaromáticos
BR8805254A (pt) Processo para a fundicao de aco
BR9105109A (pt) Processo para a producao de tuberculos
BR9206765A (pt) Processo para produção de um polímero reticulado mediante uso de um composto de beta-dicarbonila
BR9305198A (pt) Processo para a produção de uma fita de aço

Legal Events

Date Code Title Description
FF Decision: granting
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law