EP3375894A4 - Gas quenching method - Google Patents

Gas quenching method Download PDF

Info

Publication number
EP3375894A4
EP3375894A4 EP15908284.1A EP15908284A EP3375894A4 EP 3375894 A4 EP3375894 A4 EP 3375894A4 EP 15908284 A EP15908284 A EP 15908284A EP 3375894 A4 EP3375894 A4 EP 3375894A4
Authority
EP
European Patent Office
Prior art keywords
quenching method
gas quenching
gas
quenching
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.)
Withdrawn
Application number
EP15908284.1A
Other languages
German (de)
French (fr)
Other versions
EP3375894A1 (en
Inventor
Tsuyoshi Sugimoto
Yukichi OKAYAMA
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of EP3375894A1 publication Critical patent/EP3375894A1/en
Publication of EP3375894A4 publication Critical patent/EP3375894A4/en
Withdrawn legal-status Critical Current

Links

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • 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
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • 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
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)
EP15908284.1A 2015-11-11 2015-11-11 Gas quenching method Withdrawn EP3375894A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/081698 WO2017081760A1 (en) 2015-11-11 2015-11-11 Gas quenching method

Publications (2)

Publication Number Publication Date
EP3375894A1 EP3375894A1 (en) 2018-09-19
EP3375894A4 true EP3375894A4 (en) 2018-09-26

Family

ID=58694773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15908284.1A Withdrawn EP3375894A4 (en) 2015-11-11 2015-11-11 Gas quenching method

Country Status (9)

Country Link
US (1) US20180327874A1 (en)
EP (1) EP3375894A4 (en)
JP (1) JP6497446B2 (en)
KR (1) KR102124030B1 (en)
CN (1) CN108350516A (en)
BR (1) BR112018009549A2 (en)
MX (1) MX2018005795A (en)
RU (1) RU2690873C1 (en)
WO (1) WO2017081760A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11326223B2 (en) * 2017-03-31 2022-05-10 Nippon Steel Nisshin Co., Ltd. Method and device for manufacturing steam-treated products
CN111719114B (en) * 2019-03-21 2023-04-28 上海汽车变速器有限公司 Gas quenching method for controlling aperture shrinkage of part
CN114990316B (en) * 2022-06-20 2024-06-25 重庆长征重工有限责任公司 Heat treatment method for main shaft of wind generating set
CN116083838B (en) * 2022-11-25 2025-08-08 中国机械总院集团北京机电研究所有限公司 A small deformation vacuum carburizing method for synchronously strengthening and toughening the workpiece surface and matrix
CN117448530B (en) * 2023-12-07 2025-12-09 浙江欣兴工具股份有限公司 A heat treatment process for metal products
CN118219050A (en) * 2024-03-29 2024-06-21 东莞创响智能科技有限公司 Cooling method of cutting blade of CNC machine tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999002744A1 (en) * 1997-07-10 1999-01-21 Skf Engineering & Research Centre B.V. Method for performing a heat treatment on metallic rings, and bearing ring thus obtained
JP2005344183A (en) * 2004-06-04 2005-12-15 Hirohisa Taniguchi Carburization gas-quenching method
WO2006042538A1 (en) * 2004-10-22 2006-04-27 Ald Vacuum Technologies Gmbh Method for the low-warping case hardening of metallic parts
EP2604710A1 (en) * 2011-12-13 2013-06-19 Linde Aktiengesellschaft Method for hardening of a metallic workpiece

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03188213A (en) * 1989-12-18 1991-08-16 Daido Steel Co Ltd Heat treatment furnace
JPH0741848A (en) * 1993-07-27 1995-02-10 Demu Tec Kk Heat treatment furnace apparatus
UA10918C2 (en) * 1994-06-26 1996-12-25 Іноваційна Фірма "Екамет,Лтд" METHOD For thermal treatment of wire AND DEVICE FOR realization the same
RU2113509C1 (en) * 1997-11-24 1998-06-20 Открытое акционерное общество "КАМАЗ" Method for heat treatment of connecting rod forgings from alloyed steels
JP2000129341A (en) * 1998-10-20 2000-05-09 Toyota Motor Corp Low distortion quenching method
JP2005060760A (en) * 2003-08-11 2005-03-10 Nissan Motor Co Ltd Quenching method by gas cooling
RU2374335C1 (en) * 2005-09-26 2009-11-27 Аисин Ав Ко., Лтд. Steel element, method of its thermal treatment and method of its receiving
DE102005051420A1 (en) * 2005-10-27 2007-05-03 Robert Bosch Gmbh Method and plant for dry conversion of a material structure of semi-finished products
JP2008121064A (en) * 2006-11-10 2008-05-29 Daido Steel Co Ltd Manufacturing method of low strain quenching material
CN101255491A (en) * 2007-03-02 2008-09-03 上海市机械制造工艺研究所 Large die-casting mould micro-deformation vacuum heat treatment process
JP5906005B2 (en) * 2010-03-25 2016-04-20 株式会社Ihi Heat treatment method
JP5998438B2 (en) * 2011-07-25 2016-09-28 日本精工株式会社 Restraint quenching method and restraint quenching apparatus
CN103103326A (en) * 2011-11-15 2013-05-15 昆山鑫昌泰模具科技有限公司 Vacuum isothermal treatment technology for hot work die steel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999002744A1 (en) * 1997-07-10 1999-01-21 Skf Engineering & Research Centre B.V. Method for performing a heat treatment on metallic rings, and bearing ring thus obtained
JP2005344183A (en) * 2004-06-04 2005-12-15 Hirohisa Taniguchi Carburization gas-quenching method
WO2006042538A1 (en) * 2004-10-22 2006-04-27 Ald Vacuum Technologies Gmbh Method for the low-warping case hardening of metallic parts
EP2604710A1 (en) * 2011-12-13 2013-06-19 Linde Aktiengesellschaft Method for hardening of a metallic workpiece

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KOWALEWSKI J: "DESIGN AND APPLICATION OF VACUUM FURNACES WITH 2.6 AND 10/20 BAR GAS QUENCHING CAPABILITIES", SOCIETY OF MANUFACTURING ENGINEERS. TECHNICAL PAPER, SOCIETY OF MANUFACTURING ENGINEERS, DEARBORN, MI, US, 11 February 1999 (1999-02-11), pages MF99 - 213, XP009062983, ISSN: 0191-085X *
See also references of WO2017081760A1 *

Also Published As

Publication number Publication date
JP6497446B2 (en) 2019-04-10
KR102124030B1 (en) 2020-06-17
MX2018005795A (en) 2018-08-01
US20180327874A1 (en) 2018-11-15
EP3375894A1 (en) 2018-09-19
RU2690873C1 (en) 2019-06-06
WO2017081760A1 (en) 2017-05-18
BR112018009549A2 (en) 2018-11-06
CN108350516A (en) 2018-07-31
JPWO2017081760A1 (en) 2018-05-24
KR20180075647A (en) 2018-07-04

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