BRPI0504417A - process for increasing temperature resistance of steel part - Google Patents

process for increasing temperature resistance of steel part

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
Portuguese (pt)
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/en
Priority to EP06793677.3A priority patent/EP1954848B1/en
Priority to PCT/EP2006/066548 priority patent/WO2007039468A2/en
Publication of BRPI0504417A publication Critical patent/BRPI0504417A/en
Publication of BRPI0504417B1 publication Critical patent/BRPI0504417B1/en

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.PROCESS FOR INCREASING RESISTANCE TO ACTION PART TEMPERATURE. The present invention relates to a process for increasing temperature resistance of the steel part, which is vacuum carburized and austenitized, and then quenched in a medium with a heat transmission coefficient greater than 1500 W / m¬ 2. ¬K.

BRPI0504417 2005-09-27 2005-09-27 PROCESS FOR INCREASING STEEL PIECE RESISTANCE BRPI0504417B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BRPI0504417 BRPI0504417B1 (en) 2005-09-27 2005-09-27 PROCESS FOR INCREASING STEEL PIECE RESISTANCE
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 (en) 2005-09-27 2005-09-27 PROCESS FOR INCREASING STEEL PIECE RESISTANCE

Publications (2)

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

Family

ID=37460204

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0504417 BRPI0504417B1 (en) 2005-09-27 2005-09-27 PROCESS FOR INCREASING STEEL PIECE RESISTANCE

Country Status (3)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011017495A1 (en) 2009-08-07 2011-02-10 Swagelok Company Low temperature carburization under soft vacuum
AU2013210034A1 (en) 2012-01-20 2014-09-11 Swagelok Company Concurrent flow of activating gas in low temperature carburization

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001245704A1 (en) * 2000-03-14 2001-09-24 The Timken Company High performance carburizing stainless steel for high temperature use
DE10021583A1 (en) * 2000-05-04 2001-11-15 Ald Vacuum Techn Ag Assembly to carburize and harden steel workpiece charges has structured pressures in the transport tunnel and heating chambers and carburizing and quenching chambers to reduce energy costs
DE10254846B4 (en) * 2002-11-25 2011-06-16 Robert Bosch Gmbh Method for case-hardening components made of hot-work steels by means of vacuum carburizing
GB0300687D0 (en) * 2003-01-13 2003-02-12 Boc Group Plc Quenching method and furnace
DE102004039926B4 (en) * 2004-08-18 2016-09-22 Robert Bosch Gmbh Process for producing a temperature and corrosion resistant fuel injector body

Also Published As

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

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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 Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

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