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Withdrawn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)
English (en)
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Withdrawn legal-status Critical Current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 (ja) 2015-11-11 2015-11-11 ガス焼入れ方法

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 (ru)
EP (1) EP3375894A4 (ru)
JP (1) JP6497446B2 (ru)
KR (1) KR102124030B1 (ru)
CN (1) CN108350516A (ru)
BR (1) BR112018009549A2 (ru)
MX (1) MX2018005795A (ru)
RU (1) RU2690873C1 (ru)
WO (1) WO2017081760A1 (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018181685A1 (ja) * 2017-03-31 2018-10-04 日新製鋼株式会社 水蒸気処理製品の製造方法および製造装置
CN111719114B (zh) * 2019-03-21 2023-04-28 上海汽车变速器有限公司 控制零件孔径收缩量的气体淬火方法
CN114990316B (zh) * 2022-06-20 2024-06-25 重庆长征重工有限责任公司 一种用于风力发电机组主轴的热处理方法

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 (ja) * 2004-06-04 2005-12-15 Hirohisa Taniguchi 浸炭ガス焼入れ方法
WO2006042538A1 (de) * 2004-10-22 2006-04-27 Ald Vacuum Technologies Gmbh Verfahren zum verzugsarmen einsatzhärten von metallischen bauteilen
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 (ja) * 1989-12-18 1991-08-16 Daido Steel Co Ltd 熱処理炉
JPH0741848A (ja) * 1993-07-27 1995-02-10 Demu Tec Kk 熱処理炉装置
RU2113509C1 (ru) * 1997-11-24 1998-06-20 Открытое акционерное общество "КАМАЗ" Способ термической обработки поковок шатуна из легированных сталей
JP2000129341A (ja) * 1998-10-20 2000-05-09 Toyota Motor Corp 低歪み焼入れ方法
JP2005060760A (ja) * 2003-08-11 2005-03-10 Nissan Motor Co Ltd ガス冷却による焼入れ方法
UA10918U (ru) * 2004-12-29 2005-12-15 Дніпропетровський Національний Університет Залізничного Транспорту Імені Академіка В. Лазаряна Способ определения напряжения неОБРАТИМого перемещения дислокаций при нагрузке металлов
CN101233247B (zh) * 2005-09-26 2011-07-06 爱信艾达株式会社 钢部件、及其热处理方法和制造方法
DE102005051420A1 (de) * 2005-10-27 2007-05-03 Robert Bosch Gmbh Verfahren und Anlage zur trockenen Umwandlung eines Material-Gefüges von Halbzeugen
JP2008121064A (ja) * 2006-11-10 2008-05-29 Daido Steel Co Ltd 低ひずみ焼入れ材の製造方法
CN101255491A (zh) * 2007-03-02 2008-09-03 上海市机械制造工艺研究所 大型压铸模微变形真空热处理工艺
JP5906005B2 (ja) * 2010-03-25 2016-04-20 株式会社Ihi 熱処理方法
JP5998438B2 (ja) * 2011-07-25 2016-09-28 日本精工株式会社 ワークの拘束焼入れ方法および拘束焼入れ装置
CN103103326A (zh) * 2011-11-15 2013-05-15 昆山鑫昌泰模具科技有限公司 热作模具钢真空等温处理工艺

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 (ja) * 2004-06-04 2005-12-15 Hirohisa Taniguchi 浸炭ガス焼入れ方法
WO2006042538A1 (de) * 2004-10-22 2006-04-27 Ald Vacuum Technologies Gmbh Verfahren zum verzugsarmen einsatzhärten von metallischen bauteilen
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
MX2018005795A (es) 2018-08-01
CN108350516A (zh) 2018-07-31
KR20180075647A (ko) 2018-07-04
US20180327874A1 (en) 2018-11-15
RU2690873C1 (ru) 2019-06-06
JPWO2017081760A1 (ja) 2018-05-24
WO2017081760A1 (ja) 2017-05-18
KR102124030B1 (ko) 2020-06-17
JP6497446B2 (ja) 2019-04-10
EP3375894A1 (en) 2018-09-19
BR112018009549A2 (pt) 2018-11-06

Similar Documents

Publication Publication Date Title
EP3294671A4 (en) Enhanced biochar
EP3336220A4 (en) GAS GENERATOR
EP3357998A4 (en) SUBSTRATE, STRUCTURE, STRUCTURE MANUFACTURING METHOD, CELL SORTING METHOD, CELL MANUFACTURING METHOD AND SECRETION MANUFACTURING METHOD
GB201503534D0 (en) Novel method
EP3249319A4 (en) Refrigerator and operation method for refrigerator
GB201512372D0 (en) Novel method
EP3104146A4 (en) Spectrometer, and spectrometer production method
EP3248188B8 (en) Authentication method
EP3104144A4 (en) Spectrometer, and spectrometer production method
EP3248704A4 (en) Flanging method
EP3125265A4 (en) Gas circuit-breaker
EP3366526A4 (en) GAS GENERATOR
EP3369630A4 (en) GAS GENERATOR
EP3285924A4 (en) Oxidation method
EP3428384A4 (en) GAS COLLECTION PROCEDURES
EP3282008A4 (en) Sporulation method ofbacillus
GB201500427D0 (en) Method
EP3321836A4 (en) Authentication method
EP3265120C0 (en) PROCEDURE
EP3140601A4 (en) Arc furnace smeltering system & method
EP3213832A4 (en) Spin-molding method
EP3197587A4 (en) Gas scrubber system and method
GB201501565D0 (en) Method
EP3351296A4 (en) PROCESS FOR TREATING GAS
EP3376235A4 (en) Reaction method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20180523

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20180828

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/19 20060101ALI20180822BHEP

Ipc: C21D 1/00 20060101AFI20180822BHEP

Ipc: C21D 9/40 20060101ALI20180822BHEP

Ipc: C21D 1/767 20060101ALI20180822BHEP

Ipc: C21D 1/06 20060101ALI20180822BHEP

Ipc: C21D 1/613 20060101ALI20180822BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20201223