FR3081884B1 - Procede de cementation basse pression d'une piece comprenant de l'acier - Google Patents

Procede de cementation basse pression d'une piece comprenant de l'acier Download PDF

Info

Publication number
FR3081884B1
FR3081884B1 FR1854876A FR1854876A FR3081884B1 FR 3081884 B1 FR3081884 B1 FR 3081884B1 FR 1854876 A FR1854876 A FR 1854876A FR 1854876 A FR1854876 A FR 1854876A FR 3081884 B1 FR3081884 B1 FR 3081884B1
Authority
FR
France
Prior art keywords
rate
low pressure
part including
period
neutral gas
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.)
Active
Application number
FR1854876A
Other languages
English (en)
Other versions
FR3081884A1 (fr
Inventor
Bruno Petroix
Andre Marcarie
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.)
Safran Helicopter Engines SAS
Original Assignee
Safran Helicopter Engines SAS
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 Safran Helicopter Engines SAS filed Critical Safran Helicopter Engines SAS
Priority to FR1854876A priority Critical patent/FR3081884B1/fr
Priority to PCT/FR2019/051338 priority patent/WO2019234352A1/fr
Priority to CN201980037596.3A priority patent/CN112218970A/zh
Priority to US15/734,542 priority patent/US11293087B2/en
Priority to EP19735366.7A priority patent/EP3802904A1/fr
Publication of FR3081884A1 publication Critical patent/FR3081884A1/fr
Application granted granted Critical
Publication of FR3081884B1 publication Critical patent/FR3081884B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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
    • C23C8/80—After-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

Procédé de cémentation d'une pièce d'acier réalisant 1 à 30 cycles (C1, C2, C3, C4) consécutifs, chaque cycle (C1, C2, C3, C4) comprenant une étape (10) d'injection de gaz cémentant de manière à faire croître le taux surfacique de carbone jusqu'à un taux supérieur (14) prédéterminé, le gaz cémentant étant injecté à un débit compris entre 1000 Nl/h et 3000 Nl/h, à une température comprise entre 950°C et 1050°C, pendant une durée (t1), et une étape (12) d'injection d'un gaz neutre, de manière à faire décroître le taux surfacique de carbone de la pièce jusqu'à un taux inférieur (22) prédéterminé, l'étape d'injection de gaz neutre comprenant une première phase d'injection de gaz neutre, à un débit compris entre 1000 à 10000 Nl/h, pendant une durée (t2), suivie d'une deuxième phase d'injection de gaz neutre, à un débit compris entre 500 Nl/h et 3000 Nl/h, pendant une durée (t3).
FR1854876A 2018-06-05 2018-06-05 Procede de cementation basse pression d'une piece comprenant de l'acier Active FR3081884B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1854876A FR3081884B1 (fr) 2018-06-05 2018-06-05 Procede de cementation basse pression d'une piece comprenant de l'acier
PCT/FR2019/051338 WO2019234352A1 (fr) 2018-06-05 2019-06-05 Procédé de cémentation basse pression d'une pièce comprenant de l'acier
CN201980037596.3A CN112218970A (zh) 2018-06-05 2019-06-05 含钢的工件的低压渗碳方法
US15/734,542 US11293087B2 (en) 2018-06-05 2019-06-05 Method for low-pressure carburizing of a workpiece comprising steel
EP19735366.7A EP3802904A1 (fr) 2018-06-05 2019-06-05 Procédé de cémentation basse pression d'une pièce comprenant de l'acier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1854876A FR3081884B1 (fr) 2018-06-05 2018-06-05 Procede de cementation basse pression d'une piece comprenant de l'acier
FR1854876 2018-06-05

Publications (2)

Publication Number Publication Date
FR3081884A1 FR3081884A1 (fr) 2019-12-06
FR3081884B1 true FR3081884B1 (fr) 2021-05-21

Family

ID=63896272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1854876A Active FR3081884B1 (fr) 2018-06-05 2018-06-05 Procede de cementation basse pression d'une piece comprenant de l'acier

Country Status (5)

Country Link
US (1) US11293087B2 (fr)
EP (1) EP3802904A1 (fr)
CN (1) CN112218970A (fr)
FR (1) FR3081884B1 (fr)
WO (1) WO2019234352A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113502449A (zh) * 2021-06-04 2021-10-15 中航力源液压股份有限公司 一种15Cr14Co12Mo5Ni2VW高强度不锈钢低压渗碳热处理方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306919A (en) * 1980-09-04 1981-12-22 Union Carbide Corporation Process for carburizing steel
FR2678287B1 (fr) * 1991-06-26 1993-10-29 Etudes Constructions Mecaniques Procede et four de cementation a basse pression.
FR2801059B1 (fr) 1999-11-17 2002-01-25 Etudes Const Mecaniques Procede de trempe apres cementation a basse pression
US6547888B1 (en) * 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
FR2821362B1 (fr) 2001-02-23 2003-06-13 Etudes Const Mecaniques Procede de cementation basse pression
DE10254846B4 (de) * 2002-11-25 2011-06-16 Robert Bosch Gmbh Verfahren zum Einsatzhärten von Bauteilen aus Warmarbeitsstählen mittels Unterdruckaufkohlung
US7208052B2 (en) * 2003-12-23 2007-04-24 Rolls-Royce Corporation Method for carburizing steel components
FR2884523B1 (fr) * 2005-04-19 2008-01-11 Const Mecaniques Sa Et Procede et four de carbonitruration a basse pression
US8696830B2 (en) * 2010-07-21 2014-04-15 Kenneth H. Moyer Stainless steel carburization process
FR3029938B1 (fr) * 2014-12-11 2019-04-26 Ecm Technologies Procede et four de carbonitruration a basse pression
US10494708B2 (en) * 2015-04-02 2019-12-03 Sikorsky Aircraft Corporation Carburization of steel components

Also Published As

Publication number Publication date
WO2019234352A1 (fr) 2019-12-12
US11293087B2 (en) 2022-04-05
EP3802904A1 (fr) 2021-04-14
FR3081884A1 (fr) 2019-12-06
US20210230732A1 (en) 2021-07-29
CN112218970A (zh) 2021-01-12

Similar Documents

Publication Publication Date Title
FR2884523B1 (fr) Procede et four de carbonitruration a basse pression
MX2015014659A (es) Proceso y aparato para endurecer termoquimicamente piezas a trabajar.
DK1701775T3 (da) Fremgangsmåde og proces til styring af temperatur-, tryk- og densitetsprofiler i processer med tætte fluider samt tilhörende apparat
MY146550A (en) Apparatus and process for the production of vinyl chloride by thermal cracking of 1,2-dichloroethane
FR3081884B1 (fr) Procede de cementation basse pression d'une piece comprenant de l'acier
MX2018014134A (es) Metodo y aparato para la produccion de hierro fundido, hierro fundido producido de acuerdo con dicho metodo.
MX2018008996A (es) Procedimiento y dispositivo para el tratamiento termico de un componente metalico.
EA202092378A1 (ru) Способ получения водорода и углеродных продуктов
ATE553344T1 (de) Mehrkammer-durchlaufofen mit schutzgasbetrieb und verfahren zum oxidfreien erwärmen von verzinkten werkstücken
FR3105041B1 (fr) Procédé de fabrication par compression isostatique à chaud d’une pièce outil
FR3029938B1 (fr) Procede et four de carbonitruration a basse pression
RU2013118075A (ru) Способ комбинированной химико-термической обработки деталей машин из теплостойких сталей
FR3045655B1 (fr) Procede de gazeification a lit fluidise de pneus
DE50001540D1 (de) Verfahren zum Nitrieren und/oder Nitrocarburieren von höher legierten Stählen
NO941516L (no) 3-kinolylsubstituerte dihydropyridiner, fremgangsmåter for deres fremstilling og deres anvendelse
PL422596A1 (pl) Sposób nawęglania podciśnieniowego (LPC) elementów wykonanych ze stopów żelaza i innych metali
JP5866660B2 (ja) 鉄基材の表面処理方法
Karabelchtchikova et al. Thermodynamic and Kinetic Aspects of Endothermic Carburizing Atmosphere with Natural Gas Enrichment
WO2006051018A3 (fr) Procede pour le post-usinage d'un trou de passage
MX2016001329A (es) Aparato de fundicion de baja presion y metodo de fundicion de baja presion utilizando la misma.
PL422874A1 (pl) Sposób termicznego gratowania
PL424224A1 (pl) Sposób nawęglania niskociśnieniowego (LPC)
Grafen New results of carbon transfer wtih low-pressure carburizing with acetylene
Lu et al. Expanding pressure calculation based on essential deformation character
UA16592A1 (uk) Спосіб гартуваhhя виробів

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20191206

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7