EP3660178A4 - MEDIUM ENTRY ALLOY WITH EXCELLENT CRYOGENIC CHARACTERISTICS - Google Patents

MEDIUM ENTRY ALLOY WITH EXCELLENT CRYOGENIC CHARACTERISTICS Download PDF

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Publication number
EP3660178A4
EP3660178A4 EP17912348.4A EP17912348A EP3660178A4 EP 3660178 A4 EP3660178 A4 EP 3660178A4 EP 17912348 A EP17912348 A EP 17912348A EP 3660178 A4 EP3660178 A4 EP 3660178A4
Authority
EP
European Patent Office
Prior art keywords
alloy
medium entry
excellent cryogenic
cryogenic characteristics
entry
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.)
Granted
Application number
EP17912348.4A
Other languages
German (de)
French (fr)
Other versions
EP3660178B1 (en
EP3660178A1 (en
Inventor
Hyoung-Seop KIM
Jong-un MOON
Jae-wung BAE
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.)
POSTECH Academy Industry Foundation
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POSTECH Academy Industry Foundation
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Publication of EP3660178A1 publication Critical patent/EP3660178A1/en
Publication of EP3660178A4 publication Critical patent/EP3660178A4/en
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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
    • C22C38/06—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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Hard Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP17912348.4A 2017-07-26 2017-08-28 Medium-entropy alloy having excellent cryogenic characteristics Active EP3660178B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170094759A KR101910744B1 (en) 2017-07-26 2017-07-26 Medium-entropy alloys with excellent cryogenic properties
PCT/KR2017/009364 WO2019022283A1 (en) 2017-07-26 2017-08-28 Medium-entropy alloy having excellent cryogenic characteristics

Publications (3)

Publication Number Publication Date
EP3660178A1 EP3660178A1 (en) 2020-06-03
EP3660178A4 true EP3660178A4 (en) 2020-06-03
EP3660178B1 EP3660178B1 (en) 2022-10-19

Family

ID=64102284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17912348.4A Active EP3660178B1 (en) 2017-07-26 2017-08-28 Medium-entropy alloy having excellent cryogenic characteristics

Country Status (5)

Country Link
US (1) US20210054486A1 (en)
EP (1) EP3660178B1 (en)
JP (1) JP2019532169A (en)
KR (1) KR101910744B1 (en)
WO (1) WO2019022283A1 (en)

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WO2019117519A1 (en) * 2017-12-11 2019-06-20 한국기계연구원 High entropy alloy, manufacturing method therefor, and rod for bolts, using same
KR102181568B1 (en) * 2018-10-12 2020-11-20 포항공과대학교 산학협력단 Transformation-induced-plasticity dual-phase high-entropy alloy and manufacturing method of the same
KR102178331B1 (en) * 2018-10-15 2020-11-12 포항공과대학교 산학협력단 Medium-entropy alloys and Manufacturing method of the same
KR102178332B1 (en) * 2018-10-24 2020-11-12 포항공과대학교 산학협력단 High-strength and high-toughness medium entropy alloy and manufacturing method for the same
CN110129731B (en) * 2019-05-22 2021-01-19 江苏理工学院 A kind of anti-fatigue high-entropy alloy film and preparation method thereof
CN110157970B (en) * 2019-06-11 2021-01-05 沈阳航空航天大学 High-strength-ductility CoCrNi intermediate-entropy alloy and preparation method thereof
US11353117B1 (en) 2020-01-17 2022-06-07 Vulcan Industrial Holdings, LLC Valve seat insert system and method
CN111676409B (en) * 2020-06-11 2021-07-02 北京科技大学 A kind of preparation method of low density and low cost Fe-Mn-Al-C medium entropy alloy
US11421679B1 (en) 2020-06-30 2022-08-23 Vulcan Industrial Holdings, LLC Packing assembly with threaded sleeve for interaction with an installation tool
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CN111705254A (en) * 2020-06-30 2020-09-25 江苏鑫信润科技股份有限公司 CoNiFe intermediate entropy alloy for corrosion-resistant dynamic seal and preparation method thereof
US11384756B1 (en) 2020-08-19 2022-07-12 Vulcan Industrial Holdings, LLC Composite valve seat system and method
USD986928S1 (en) 2020-08-21 2023-05-23 Vulcan Industrial Holdings, LLC Fluid end for a pumping system
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US12366245B1 (en) 2020-08-27 2025-07-22 Vulcan Industrial Holdings, LLC Connecting rod assembly for reciprocating pump
CN111876648B (en) * 2020-09-10 2021-07-30 燕山大学 A kind of CoCrNiSi medium entropy alloy and preparation method thereof
KR20220087349A (en) * 2020-12-17 2022-06-24 엘지전자 주식회사 High-strength medium entropy alloy and manufacturing method for the same
US12055221B2 (en) 2021-01-14 2024-08-06 Vulcan Industrial Holdings, LLC Dual ring stuffing box
US11391374B1 (en) 2021-01-14 2022-07-19 Vulcan Industrial Holdings, LLC Dual ring stuffing box
US12292120B1 (en) 2021-02-23 2025-05-06 Vulcan Industrial Holdings, LLC System and method for valve assembly
CN113403519B (en) * 2021-05-27 2022-07-12 西北工业大学 FeCoNiSnxMedium-entropy alloy and preparation method thereof
CN113234986B (en) * 2021-06-03 2022-04-12 哈尔滨工程大学 Low-activation refractory medium-entropy alloy and preparation method thereof
CN115491560B (en) * 2021-06-17 2024-06-04 西北工业大学 Method for improving low-temperature wear resistance of alloy
CN113667941B (en) * 2021-08-17 2023-04-11 西安邮电大学 Medium-entropy thermosensitive film and preparation method and application thereof
US11846356B1 (en) 2021-08-18 2023-12-19 Vulcan Industrial Holdings, LLC Self-locking plug
US12510164B1 (en) 2021-08-18 2025-12-30 Vulcan Industrial Holdings, LLC Sleeved fluid end
CN113878220B (en) * 2021-08-27 2023-03-28 合肥工业大学 Tungsten and steel layered metal composite material and diffusion bonding method thereof
CN114058888B (en) * 2021-10-25 2022-07-05 重庆大学 A kind of smelting method of FeCrCoNiAl high entropy alloy
CN114086049B (en) * 2021-11-17 2022-08-23 沈阳航空航天大学 2.0GPa grade CoCrNi-based medium entropy alloy with ultrahigh yield strength and plasticity and preparation method thereof
CN114058894B (en) * 2021-11-25 2022-08-02 中国科学院兰州化学物理研究所 Medium-entropy alloy self-lubricating composite material and preparation method thereof
CN114231765B (en) * 2021-11-26 2022-06-21 北冶功能材料(江苏)有限公司 Preparation method and application of high-temperature alloy bar
US12140240B1 (en) 2022-01-19 2024-11-12 Vulcan Industrial Holdings, LLC Gradient material structures and methods of forming the same
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CN115074595B (en) * 2022-06-06 2023-04-21 北京科技大学 A kind of acid corrosion non-equiatomic ratio CoCrNi medium entropy alloy and preparation method thereof
CN114990509B (en) * 2022-06-15 2024-07-12 西安热工研究院有限公司 Strengthening method of medium-entropy alloy coating
CN114959613B (en) * 2022-06-15 2024-07-12 西安热工研究院有限公司 Method for enhancing corrosion resistance of medium-entropy alloy CoCrNi film
USD1061623S1 (en) 2022-08-03 2025-02-11 Vulcan Industrial Holdings, LLC Fluid end for a pumping system
CN115323240B (en) * 2022-08-29 2023-06-30 沈阳工业大学 A kind of high-strength and toughness metastable dual-phase FeMnCrCo high-entropy alloy and preparation method thereof
CN115198162B (en) * 2022-09-19 2022-12-02 太原理工大学 Entropy alloy in high-toughness heterogeneous multi-phase core-shell organization structure and preparation method thereof
CN115786795B (en) * 2022-11-24 2024-01-26 陕西科技大学 CrFe 2 Ni 2 Nb x M y Eutectic medium-entropy alloy and preparation method thereof
CN116145008B (en) * 2023-02-24 2025-03-28 南京理工大学 A Mn2-xFeCoNi medium-entropy alloy material with zero-field cold exchange bias effect and a preparation method thereof
CN116716585A (en) * 2023-05-22 2023-09-08 南方科技大学 Friction-resistant alloy film and preparation method and application thereof
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US3673010A (en) * 1970-05-19 1972-06-27 Tohoku Special Steel Works Ltd Cold-workable permanent magnet alloy
WO1990000629A1 (en) * 1988-07-08 1990-01-25 Famcy Steel Corporation High damping capacity, two-phase fe-mn-al-c alloy

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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US3673010A (en) * 1970-05-19 1972-06-27 Tohoku Special Steel Works Ltd Cold-workable permanent magnet alloy
WO1990000629A1 (en) * 1988-07-08 1990-01-25 Famcy Steel Corporation High damping capacity, two-phase fe-mn-al-c alloy

Non-Patent Citations (3)

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Title
HAKARU MASUMOTO ET AL: "The Strain Gage Factor and Electrical Properties of Fe-Cr-Co-Ni Alloys", JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS, vol. 47, no. 10, 31 October 1983 (1983-10-31), pages 879 - 884, XP055679916 *
See also references of WO2019022283A1 *
Y. H. JO ET AL: "Cryogenic strength improvement by utilizing room-temperature deformation twinning in a partially recrystallized VCrMnFeCoNi high-entropy alloy", NATURE COMMUNICATIONS, vol. 8, no. 1, 12 June 2017 (2017-06-12), XP055680269, DOI: 10.1038/ncomms15719 *

Also Published As

Publication number Publication date
EP3660178B1 (en) 2022-10-19
JP2019532169A (en) 2019-11-07
WO2019022283A1 (en) 2019-01-31
KR101910744B1 (en) 2018-10-22
US20210054486A1 (en) 2021-02-25
EP3660178A1 (en) 2020-06-03

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