JP7737754B2 - 鉄鋳物およびそれを製造する方法 - Google Patents

鉄鋳物およびそれを製造する方法

Info

Publication number
JP7737754B2
JP7737754B2 JP2024508165A JP2024508165A JP7737754B2 JP 7737754 B2 JP7737754 B2 JP 7737754B2 JP 2024508165 A JP2024508165 A JP 2024508165A JP 2024508165 A JP2024508165 A JP 2024508165A JP 7737754 B2 JP7737754 B2 JP 7737754B2
Authority
JP
Japan
Prior art keywords
mass
cooling
less
holding
heat treatment
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
JP2024508165A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023176791A5 (https=
JPWO2023176791A1 (https=
Inventor
拓郎 梅谷
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.)
Hinode Ltd
Original Assignee
Hinode 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 Hinode Ltd filed Critical Hinode Ltd
Publication of JPWO2023176791A1 publication Critical patent/JPWO2023176791A1/ja
Publication of JPWO2023176791A5 publication Critical patent/JPWO2023176791A5/ja
Application granted granted Critical
Publication of JP7737754B2 publication Critical patent/JP7737754B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D1/26—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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/84—Controlled slow cooling
    • 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
    • C21D5/00—Heat treatments of cast-iron
    • 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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
JP2024508165A 2022-03-14 2023-03-13 鉄鋳物およびそれを製造する方法 Active JP7737754B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022038788 2022-03-14
JP2022038788 2022-03-14
PCT/JP2023/009691 WO2023176791A1 (ja) 2022-03-14 2023-03-13 鉄鋳物およびそれを製造する方法

Publications (3)

Publication Number Publication Date
JPWO2023176791A1 JPWO2023176791A1 (https=) 2023-09-21
JPWO2023176791A5 JPWO2023176791A5 (https=) 2025-02-12
JP7737754B2 true JP7737754B2 (ja) 2025-09-11

Family

ID=88023791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024508165A Active JP7737754B2 (ja) 2022-03-14 2023-03-13 鉄鋳物およびそれを製造する方法

Country Status (5)

Country Link
US (1) US20250188577A1 (https=)
JP (1) JP7737754B2 (https=)
CN (1) CN118922564A (https=)
DE (1) DE112023001366T5 (https=)
WO (1) WO2023176791A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000119793A (ja) 1998-10-13 2000-04-25 Toshiba Corp 低温安定性低膨張鋳鉄およびその製造方法
JP2003138336A (ja) 2001-10-31 2003-05-14 Kogi Corp 低熱膨張鋳鋼
JP2019173110A (ja) 2018-03-29 2019-10-10 虹技株式会社 球状黒鉛鋳鉄とその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62284039A (ja) * 1986-06-03 1987-12-09 Nippon Chuzo Kk 低熱膨張鋳鉄
JP2694240B2 (ja) * 1990-10-01 1997-12-24 株式会社 栗本鐵工所 高温低熱膨張鋳鉄の製造方法
JP2010095747A (ja) 2008-10-15 2010-04-30 Nabeya Co Ltd 低熱膨張鋳鉄材の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000119793A (ja) 1998-10-13 2000-04-25 Toshiba Corp 低温安定性低膨張鋳鉄およびその製造方法
JP2003138336A (ja) 2001-10-31 2003-05-14 Kogi Corp 低熱膨張鋳鋼
JP2019173110A (ja) 2018-03-29 2019-10-10 虹技株式会社 球状黒鉛鋳鉄とその製造方法

Also Published As

Publication number Publication date
WO2023176791A1 (ja) 2023-09-21
US20250188577A1 (en) 2025-06-12
CN118922564A (zh) 2024-11-08
DE112023001366T5 (de) 2025-01-09
JPWO2023176791A1 (https=) 2023-09-21

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