JP7315273B2 - 低熱膨張鋳物及びその製造方法 - Google Patents

低熱膨張鋳物及びその製造方法 Download PDF

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Publication number
JP7315273B2
JP7315273B2 JP2022536355A JP2022536355A JP7315273B2 JP 7315273 B2 JP7315273 B2 JP 7315273B2 JP 2022536355 A JP2022536355 A JP 2022536355A JP 2022536355 A JP2022536355 A JP 2022536355A JP 7315273 B2 JP7315273 B2 JP 7315273B2
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Prior art keywords
casting
thermal expansion
point
room temperature
low thermal
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Japanese (ja)
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JPWO2022014544A1 (https=
Inventor
晴康 大野
直輝 坂口
浩太郎 小奈
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Shinhokoku Material Corp
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Shinhokoku Material Corp
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    • 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
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • 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
    • C21D1/785—Thermocycling
    • 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
    • C21D6/04—Hardening by cooling below 0 degrees Celsius
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/04—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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2022536355A 2020-07-17 2021-07-12 低熱膨張鋳物及びその製造方法 Active JP7315273B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020122884 2020-07-17
JP2020122884 2020-07-17
PCT/JP2021/026189 WO2022014544A1 (ja) 2020-07-17 2021-07-12 低熱膨張鋳物及びその製造方法

Publications (2)

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JPWO2022014544A1 JPWO2022014544A1 (https=) 2022-01-20
JP7315273B2 true JP7315273B2 (ja) 2023-07-26

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JP2022536355A Active JP7315273B2 (ja) 2020-07-17 2021-07-12 低熱膨張鋳物及びその製造方法

Country Status (5)

Country Link
US (1) US12421584B2 (https=)
EP (1) EP4183501A4 (https=)
JP (1) JP7315273B2 (https=)
CN (2) CN116157217B (https=)
WO (1) WO2022014544A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015168865A (ja) 2014-03-10 2015-09-28 日本鋳造株式会社 低熱膨張鋳造合金およびその製造方法
JP2016027187A (ja) 2014-07-02 2016-02-18 新報国製鉄株式会社 高剛性低熱膨張鋳物及びその製造方法
JP2020122180A (ja) 2019-01-30 2020-08-13 新報国製鉄株式会社 低熱膨張鋳物及びその製造方法
JP2020122188A (ja) 2019-01-30 2020-08-13 新報国製鉄株式会社 低熱膨張鋳物及びその製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2585014B2 (ja) * 1987-08-25 1997-02-26 日本鋳造株式会社 快削性高強度低熱膨張鋳造合金及びその製造方法
JP2568022B2 (ja) 1988-11-02 1996-12-25 株式会社東芝 低熱膨張鋳鉄を用いた工作機械、精密測定機器、成形用金型、半導体装置および電子製造装置
JPH11279709A (ja) * 1998-03-31 1999-10-12 Nippon Chuzo Kk 高ヤング率低熱膨張鋳造合金およびその製造方法
JPH11293413A (ja) 1998-04-13 1999-10-26 Nippon Chuzo Kk 熱的形状安定性及び剛性に優れた合金鋼を使用した超精密機器の部材
JP2010095747A (ja) * 2008-10-15 2010-04-30 Nabeya Co Ltd 低熱膨張鋳鉄材の製造方法
CN105296844B (zh) 2014-07-02 2019-02-01 新报国制铁株式会社 高刚性低热膨胀铸件及其制造方法
CN105039850A (zh) * 2015-08-11 2015-11-11 河北钢铁股份有限公司 高强度低膨胀的热轧因瓦合金
CN106673422A (zh) * 2015-11-10 2017-05-17 旭硝子株式会社 风冷强化用玻璃及风冷强化玻璃
JP6846806B2 (ja) 2017-04-28 2021-03-24 新報国製鉄株式会社 低熱膨張合金
US12553113B2 (en) 2020-03-24 2026-02-17 Shinhokoku Material Corp. Low thermal expansion cast steel and method of production of same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015168865A (ja) 2014-03-10 2015-09-28 日本鋳造株式会社 低熱膨張鋳造合金およびその製造方法
JP2016027187A (ja) 2014-07-02 2016-02-18 新報国製鉄株式会社 高剛性低熱膨張鋳物及びその製造方法
JP2020122180A (ja) 2019-01-30 2020-08-13 新報国製鉄株式会社 低熱膨張鋳物及びその製造方法
JP2020122188A (ja) 2019-01-30 2020-08-13 新報国製鉄株式会社 低熱膨張鋳物及びその製造方法

Also Published As

Publication number Publication date
WO2022014544A1 (ja) 2022-01-20
US20230148368A1 (en) 2023-05-11
EP4183501A4 (en) 2024-08-07
EP4183501A1 (en) 2023-05-24
US12421584B2 (en) 2025-09-23
JPWO2022014544A1 (https=) 2022-01-20
CN116157217A (zh) 2023-05-23
CN116157217B (zh) 2025-12-05
CN121250240A (zh) 2026-01-02

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