FR3118064B1 - Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces. - Google Patents

Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces. Download PDF

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Publication number
FR3118064B1
FR3118064B1 FR2014031A FR2014031A FR3118064B1 FR 3118064 B1 FR3118064 B1 FR 3118064B1 FR 2014031 A FR2014031 A FR 2014031A FR 2014031 A FR2014031 A FR 2014031A FR 3118064 B1 FR3118064 B1 FR 3118064B1
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France
Prior art keywords
timepieces
obtaining
magnetic
parts
treatment process
Prior art date
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Active
Application number
FR2014031A
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English (en)
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FR3118064A1 (fr
Inventor
Pascal Laheurte
Pierre Frédéric Charbonnier
Coz Gael Le
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.)
Innotech Conseils
Universite de Lorraine
Original Assignee
Innotech Conseils
Universite de Lorraine
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.)
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Publication date
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Priority to FR2014031A priority Critical patent/FR3118064B1/fr
Priority to PCT/EP2021/087307 priority patent/WO2022136552A1/fr
Priority to EP21843991.7A priority patent/EP4267772A1/fr
Priority to CN202180093515.9A priority patent/CN116888282A/zh
Priority to US18/259,011 priority patent/US20240043951A1/en
Publication of FR3118064A1 publication Critical patent/FR3118064A1/fr
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Publication of FR3118064B1 publication Critical patent/FR3118064B1/fr
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Classifications

    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C21D1/26—Methods of annealing
    • 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
    • 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
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
    • 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
    • C21D2261/00—Machining or cutting being involved
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Landscapes

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

Abstract

« Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces » Alliage austénitique comprenant, en pourcentage massique, du fer entre 50 à 85 %, un ou plusieurs éléments gammagènes dont le pourcentage massique ou la somme des pourcentages massiques est compris entre 8 et 38 % et de l’azote à un pourcentage massique inférieur à 2%. L’alliage austénitique présente une structure cristallographique comprenant une structure cristalline cubique majoritaire et une présence d’une structure cristalline hexagonale. Figure pour l’abrégé : Figure 1
FR2014031A 2020-12-23 2020-12-23 Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces. Active FR3118064B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR2014031A FR3118064B1 (fr) 2020-12-23 2020-12-23 Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces.
PCT/EP2021/087307 WO2022136552A1 (fr) 2020-12-23 2021-12-22 Pièces d'horlogerie amagnétiques et procédé de traitement thermomécanique pour l'obtention de telles pièces
EP21843991.7A EP4267772A1 (fr) 2020-12-23 2021-12-22 Pièces d'horlogerie amagnétiques et procédé de traitement thermomécanique pour l'obtention de telles pièces
CN202180093515.9A CN116888282A (zh) 2020-12-23 2021-12-22 非磁性计时器部件和用于获得非磁性计时器部件的热机械处理方法
US18/259,011 US20240043951A1 (en) 2020-12-23 2021-12-22 Non-magnetic timepiece parts and thermomechanical treatment method for obtaining said parts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2014031 2020-12-23
FR2014031A FR3118064B1 (fr) 2020-12-23 2020-12-23 Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces.

Publications (2)

Publication Number Publication Date
FR3118064A1 FR3118064A1 (fr) 2022-06-24
FR3118064B1 true FR3118064B1 (fr) 2023-12-01

Family

ID=74759071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2014031A Active FR3118064B1 (fr) 2020-12-23 2020-12-23 Pièces d’horlogerie amagnétiques et procédé de traitement thermomécanique pour l’obtention de telles pièces.

Country Status (5)

Country Link
US (1) US20240043951A1 (fr)
EP (1) EP4267772A1 (fr)
CN (1) CN116888282A (fr)
FR (1) FR3118064B1 (fr)
WO (1) WO2022136552A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5217576B2 (ja) * 2008-04-02 2013-06-19 大同特殊鋼株式会社 耐熱部品用オーステナイト系ステンレス鋼及びこれを用いた耐熱部品
DE102009013506A1 (de) * 2009-03-17 2010-09-23 Schaeffler Technologies Gmbh & Co. Kg Korrosionsbeständiger austenitischer Stahl, insbesondere für die Herstellung von Wälzlagerkomponenten
EP3147378A1 (fr) * 2015-09-25 2017-03-29 The Swatch Group Research and Development Ltd. Acier inoxydable austénitique sans nickel
DE102018108173A1 (de) * 2018-04-06 2019-10-10 Vacuumschmelze Gmbh & Co. Kg Austenitische Legierung und Verfahren zum Herstellen einer stickstoffhaltigen austenitischen Legierung
CH715726B1 (fr) * 2019-01-11 2022-10-14 Richemont Int Sa Procédé d'obtention d'un composant fonctionnel pour mouvement horloger.

Also Published As

Publication number Publication date
US20240043951A1 (en) 2024-02-08
CN116888282A (zh) 2023-10-13
FR3118064A1 (fr) 2022-06-24
EP4267772A1 (fr) 2023-11-01
WO2022136552A1 (fr) 2022-06-30

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