FR3122667B1 - Procédé de forgeage d’une pièce en acier maraging - Google Patents

Procédé de forgeage d’une pièce en acier maraging Download PDF

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Publication number
FR3122667B1
FR3122667B1 FR2104747A FR2104747A FR3122667B1 FR 3122667 B1 FR3122667 B1 FR 3122667B1 FR 2104747 A FR2104747 A FR 2104747A FR 2104747 A FR2104747 A FR 2104747A FR 3122667 B1 FR3122667 B1 FR 3122667B1
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FR
France
Prior art keywords
temperature
austenite
ferrite
transformation
forging
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
FR2104747A
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English (en)
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FR3122667A1 (fr
Inventor
Maxime Eric Vincent
Laurent Ferrer
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 Aircraft Engines SAS
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Safran Aircraft 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 Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR2104747A priority Critical patent/FR3122667B1/fr
Priority to PCT/FR2022/050809 priority patent/WO2022234220A1/fr
Publication of FR3122667A1 publication Critical patent/FR3122667A1/fr
Application granted granted Critical
Publication of FR3122667B1 publication Critical patent/FR3122667B1/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/007—Heat treatment of ferrous alloys containing Co
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

Procédé de forgeage d’une pièce en acier maraging L’invention concerne un procédé de forgeage d’une pièce à partir d’un lingot d’acier maraging caractérisé en ce qu’il comprend en plus des étapes de forgeage classiques une étape de recristallisation étant choisie parmi : - une étape de recristallisation par chauffage à une température supérieure à la température Ac3 de fin de transformation de la ferrite en austénite, et une température inférieure à la température de remise en solution des précipités ; et/ou - une étape de recuit ferritique, l’étape de recuit ferritique étant réalisée : - soit, avant que la température la plus froide de la pièce ne soit inférieure à la température Ar1, par un maintien de la pièce à une température comprise entre Ar1 et Ar3, où Ar1 est la température de fin de transformation de l’austénite en ferrite et Ar3 la température de début de transformation de l’austénite en ferrite étant entendu que ces températures sont mesurées dans un cycle de refroidissement ; - soit, après que la température la plus chaude de la pièce soit inférieure à Ms, par un chauffage de la pièce à une température comprise entre Ac1 et Ac3, où Ms est la température de formation de la martensite, Ac1 est la température de début de transformation de ferrite en austénite et Ac3 la température de fin de transformation de ferrite en austénite étant entendu que Ac1 et Ac3 sont les températures mesurées dans un cycle de chauffage.
FR2104747A 2021-05-05 2021-05-05 Procédé de forgeage d’une pièce en acier maraging Active FR3122667B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2104747A FR3122667B1 (fr) 2021-05-05 2021-05-05 Procédé de forgeage d’une pièce en acier maraging
PCT/FR2022/050809 WO2022234220A1 (fr) 2021-05-05 2022-04-28 Procede de forgeage d'une piece en acier maraging

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2104747 2021-05-05
FR2104747A FR3122667B1 (fr) 2021-05-05 2021-05-05 Procédé de forgeage d’une pièce en acier maraging

Publications (2)

Publication Number Publication Date
FR3122667A1 FR3122667A1 (fr) 2022-11-11
FR3122667B1 true FR3122667B1 (fr) 2023-05-12

Family

ID=76807772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2104747A Active FR3122667B1 (fr) 2021-05-05 2021-05-05 Procédé de forgeage d’une pièce en acier maraging

Country Status (2)

Country Link
FR (1) FR3122667B1 (fr)
WO (1) WO2022234220A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116949260B (zh) * 2023-09-20 2023-12-19 成都先进金属材料产业技术研究院股份有限公司 一种p91无缝钢管用钢锭及其热变形方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2885142B1 (fr) 2005-04-27 2007-07-27 Aubert & Duval Soc Par Actions Acier martensitique durci, procede de fabrication d'une piece a partir de cet acier, et piece ainsi obtenue
CN103350180A (zh) * 2013-06-21 2013-10-16 贵州安大航空锻造有限责任公司 C250马氏体时效钢风扇轴的锻造成形方法
US11427897B2 (en) 2014-06-10 2022-08-30 Hitachi Metals, Ltd. Production method of maraging steel
CN107653421B (zh) * 2016-07-26 2019-12-10 中国科学院金属研究所 一种耐海水腐蚀的超高强度马氏体时效不锈钢
JP6860413B2 (ja) * 2017-03-02 2021-04-14 株式会社神戸製鋼所 マルエージング鋼およびその製造方法
GB201805776D0 (en) * 2018-04-06 2018-05-23 Rolls Royce Plc Maraging steel

Also Published As

Publication number Publication date
FR3122667A1 (fr) 2022-11-11
WO2022234220A1 (fr) 2022-11-10

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