EP4556589A4 - LOW THERMAL EXPANSION ALLOY - Google Patents

LOW THERMAL EXPANSION ALLOY

Info

Publication number
EP4556589A4
EP4556589A4 EP23839656.8A EP23839656A EP4556589A4 EP 4556589 A4 EP4556589 A4 EP 4556589A4 EP 23839656 A EP23839656 A EP 23839656A EP 4556589 A4 EP4556589 A4 EP 4556589A4
Authority
EP
European Patent Office
Prior art keywords
thermal expansion
low thermal
expansion alloy
alloy
low
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.)
Pending
Application number
EP23839656.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4556589A1 (en
Inventor
Shingo Matsumura
Haruyasu Ohno
Kotaro Ona
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.)
Shinhokoku Material Corp
Original Assignee
Shinhokoku Material Corp
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 Shinhokoku Material Corp filed Critical Shinhokoku Material Corp
Publication of EP4556589A1 publication Critical patent/EP4556589A1/en
Publication of EP4556589A4 publication Critical patent/EP4556589A4/en
Pending legal-status Critical Current

Links

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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • 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

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)
  • Powder Metallurgy (AREA)
  • Forging (AREA)
  • Compositions Of Oxide Ceramics (AREA)
EP23839656.8A 2022-07-12 2023-07-12 LOW THERMAL EXPANSION ALLOY Pending EP4556589A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022111934 2022-07-12
PCT/JP2023/025751 WO2024014484A1 (ja) 2022-07-12 2023-07-12 低熱膨張合金

Publications (2)

Publication Number Publication Date
EP4556589A1 EP4556589A1 (en) 2025-05-21
EP4556589A4 true EP4556589A4 (en) 2026-03-11

Family

ID=89536758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23839656.8A Pending EP4556589A4 (en) 2022-07-12 2023-07-12 LOW THERMAL EXPANSION ALLOY

Country Status (5)

Country Link
EP (1) EP4556589A4 (https=)
JP (1) JP7776181B2 (https=)
KR (1) KR20250012714A (https=)
TW (1) TW202405200A (https=)
WO (1) WO2024014484A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2024214777A1 (https=) * 2023-04-13 2024-10-17

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001262277A (ja) * 2000-03-17 2001-09-26 Nippon Chuzo Kk 被削性に優れた低熱膨張合金およびその製造方法
JP2003286546A (ja) * 2002-03-28 2003-10-10 Nippon Chuzo Kk 常温での硬度および強度に優れた鋳造時の割れ感受性が小さい低熱膨張鋳造合金
JP2018145491A (ja) * 2017-03-07 2018-09-20 新報国製鉄株式会社 低熱膨張合金

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051547B2 (ja) 1982-05-29 1985-11-14 新一 榎本 低熱膨張鋳鉄
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
RU2532190C2 (ru) * 2009-06-11 2014-10-27 Форд Мотор Компани Формы для заливки с низким коэффициентом теплового расширения и с текстурированной поверхностью и способ создания и использования таких форм
JP6793583B2 (ja) * 2017-03-28 2020-12-02 新報国製鉄株式会社 低熱膨張合金
JP2019065344A (ja) * 2017-09-29 2019-04-25 新報国製鉄株式会社 低熱膨張合金

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001262277A (ja) * 2000-03-17 2001-09-26 Nippon Chuzo Kk 被削性に優れた低熱膨張合金およびその製造方法
JP2003286546A (ja) * 2002-03-28 2003-10-10 Nippon Chuzo Kk 常温での硬度および強度に優れた鋳造時の割れ感受性が小さい低熱膨張鋳造合金
JP2018145491A (ja) * 2017-03-07 2018-09-20 新報国製鉄株式会社 低熱膨張合金

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024014484A1 *

Also Published As

Publication number Publication date
WO2024014484A1 (ja) 2024-01-18
JP7776181B2 (ja) 2025-11-26
KR20250012714A (ko) 2025-01-24
EP4556589A1 (en) 2025-05-21
TW202405200A (zh) 2024-02-01
JPWO2024014484A1 (https=) 2024-01-18

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RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/00 20060101AFI20260130BHEP

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