BRPI0504417A - processo para aumento de resistência a temperatura de peça de aço - Google Patents

processo para aumento de resistência a temperatura de peça de aço

Info

Publication number
BRPI0504417A
BRPI0504417A BRPI0504417A BRPI0504417A BR PI0504417 A BRPI0504417 A BR PI0504417A BR PI0504417 A BRPI0504417 A BR PI0504417A BR PI0504417 A BRPI0504417 A BR PI0504417A
Authority
BR
Brazil
Prior art keywords
steel part
temperature resistance
increasing temperature
increasing
resistance
Prior art date
Application number
Other languages
English (en)
Inventor
Rogerio Milleo Pitella
Nils Lothar Lippmann
Original Assignee
Bosch Do Brasil
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 Bosch Do Brasil filed Critical Bosch Do Brasil
Priority to BRPI0504417 priority Critical patent/BRPI0504417B1/pt
Priority to EP06793677.3A priority patent/EP1954848B1/en
Priority to PCT/EP2006/066548 priority patent/WO2007039468A2/en
Publication of BRPI0504417A publication Critical patent/BRPI0504417A/pt
Publication of BRPI0504417B1 publication Critical patent/BRPI0504417B1/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

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)
  • Heat Treatment Of Articles (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

PROCESSO PARA AUMENTO DE RESISTêNCIA A TEMPERATURA DE PEçA DE AçO. A presente invenção refere-se a um processo para aumento de resistência á temperatura de peça de aço, a qual é cementada a vácuo e austenitizada, e posteriormente temperada em um meio com um coeficiente de transmissão de calor maior que 1500 W/m¬ 2¬K.
BRPI0504417 2005-09-27 2005-09-27 Processo para aumento de resistência à têmpera de peça de aço BRPI0504417B1 (pt)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BRPI0504417 BRPI0504417B1 (pt) 2005-09-27 2005-09-27 Processo para aumento de resistência à têmpera de peça de aço
EP06793677.3A EP1954848B1 (en) 2005-09-27 2006-09-20 A process for raising the tempering resistance of a steel work piece
PCT/EP2006/066548 WO2007039468A2 (en) 2005-09-27 2006-09-20 A process for raising the tempering resistance of a steel work piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0504417 BRPI0504417B1 (pt) 2005-09-27 2005-09-27 Processo para aumento de resistência à têmpera de peça de aço

Publications (2)

Publication Number Publication Date
BRPI0504417A true BRPI0504417A (pt) 2007-06-12
BRPI0504417B1 BRPI0504417B1 (pt) 2014-11-04

Family

ID=37460204

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0504417 BRPI0504417B1 (pt) 2005-09-27 2005-09-27 Processo para aumento de resistência à têmpera de peça de aço

Country Status (3)

Country Link
EP (1) EP1954848B1 (pt)
BR (1) BRPI0504417B1 (pt)
WO (1) WO2007039468A2 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2462253B1 (en) 2009-08-07 2021-04-07 Swagelok Company Low temperature carburization under soft vacuum
JP6257527B2 (ja) 2012-01-20 2018-01-10 スウエイジロク・カンパニー 低温浸炭における活性化ガスの同時流

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001068933A2 (en) * 2000-03-14 2001-09-20 The Timken Company High performance carburizing stainless steel for high temperature use
DE10021583A1 (de) * 2000-05-04 2001-11-15 Ald Vacuum Techn Ag Verfahren und Vorrichtung zum Aufkohlen und Härten von Werkstückchargen
DE10254846B4 (de) * 2002-11-25 2011-06-16 Robert Bosch Gmbh Verfahren zum Einsatzhärten von Bauteilen aus Warmarbeitsstählen mittels Unterdruckaufkohlung
GB0300687D0 (en) * 2003-01-13 2003-02-12 Boc Group Plc Quenching method and furnace
DE102004039926B4 (de) * 2004-08-18 2016-09-22 Robert Bosch Gmbh Verfahren zur Herstellung eines temperatur- und korrosionsbeständigen Kraftstoffinjektorkörpers

Also Published As

Publication number Publication date
WO2007039468A2 (en) 2007-04-12
EP1954848A2 (en) 2008-08-13
WO2007039468A3 (en) 2007-10-11
BRPI0504417B1 (pt) 2014-11-04
EP1954848B1 (en) 2018-08-15

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA DE INT.CL.: C23C 8/22

Ipc: C21D 9/00 (2006.01), C23C 8/22 (2006.01)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/09/2005, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 19A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2794 DE 23-07-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.