EP2762247A4 - Procédé de forgeage à haut rendement de la partie interne d'un lingot d'acier ou d'un flan par coalescence à retassures - Google Patents

Procédé de forgeage à haut rendement de la partie interne d'un lingot d'acier ou d'un flan par coalescence à retassures

Info

Publication number
EP2762247A4
EP2762247A4 EP12833320.0A EP12833320A EP2762247A4 EP 2762247 A4 EP2762247 A4 EP 2762247A4 EP 12833320 A EP12833320 A EP 12833320A EP 2762247 A4 EP2762247 A4 EP 2762247A4
Authority
EP
European Patent Office
Prior art keywords
billets
forging method
steel ingots
porous defects
efficiency closing
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.)
Ceased
Application number
EP12833320.0A
Other languages
German (de)
English (en)
Other versions
EP2762247A1 (fr
Inventor
Bin Xu
Mingyue Sun
Dianzhong Li
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.)
Institute of Metal Research of CAS
Original Assignee
Institute of Metal Research of CAS
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
Priority claimed from CN201110282883.6A external-priority patent/CN102500733B/zh
Priority claimed from CN201210225394.1A external-priority patent/CN102756062B/zh
Application filed by Institute of Metal Research of CAS filed Critical Institute of Metal Research of CAS
Publication of EP2762247A1 publication Critical patent/EP2762247A1/fr
Publication of EP2762247A4 publication Critical patent/EP2762247A4/fr
Ceased 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • B21J5/022—Open die forging
EP12833320.0A 2011-09-22 2012-09-21 Procédé de forgeage à haut rendement de la partie interne d'un lingot d'acier ou d'un flan par coalescence à retassures Ceased EP2762247A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201110282883.6A CN102500733B (zh) 2011-09-22 2011-09-22 一种高效率愈合钢锭内部孔洞型缺陷的锻造方法
CN201210225394.1A CN102756062B (zh) 2012-07-02 2012-07-02 一种高效率愈合大高径比坯料内部孔洞型缺陷的锻造方法
PCT/CN2012/081732 WO2013041043A1 (fr) 2011-09-22 2012-09-21 Procédé de forgeage à haut rendement de la partie interne d'un lingot d'acier ou d'un flan par coalescence à retassures

Publications (2)

Publication Number Publication Date
EP2762247A1 EP2762247A1 (fr) 2014-08-06
EP2762247A4 true EP2762247A4 (fr) 2015-08-19

Family

ID=47913895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12833320.0A Ceased EP2762247A4 (fr) 2011-09-22 2012-09-21 Procédé de forgeage à haut rendement de la partie interne d'un lingot d'acier ou d'un flan par coalescence à retassures

Country Status (2)

Country Link
EP (1) EP2762247A4 (fr)
WO (1) WO2013041043A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ2015677A3 (cs) * 2015-09-30 2017-02-01 Vysoká Škola Báňská - Technická Univerzita Ostrava Způsob výroby kovaných pravoúhlých desek z dutých ingotů
CN108405623B (zh) * 2018-03-01 2019-09-03 西安建筑科技大学 一种通过旋转压缩研究曼内斯曼效应的方法
CN109604926B (zh) * 2018-11-14 2021-10-15 中国原子能科学研究院 钢坯料构筑界面愈合方法
CN111375714A (zh) * 2018-12-27 2020-07-07 宝武特种冶金有限公司 一种提高电渣锭h13大扁坯成材率的锻造方法
CN110993040B (zh) * 2019-11-28 2023-03-14 太原科技大学 一种确定30Cr2Ni4MoV钢铸态转变为锻态临界值的方法
CN113953422B (zh) * 2021-10-21 2023-12-22 浙江大隆特材有限公司 一种燃气轮机用22Cr12NiWMoV锻圆钢及其制备方法
CN113953431B (zh) * 2021-11-08 2024-03-29 内蒙古北方重工业集团有限公司 超高径比大型合金钢锭自由锻压机镦粗方法
CN114147157A (zh) * 2021-12-20 2022-03-08 江阴市龙玉锻压有限公司 一种大型饼类锻件的变向锻造工艺
CN114309389B (zh) * 2022-01-19 2024-01-05 张家港广大特材股份有限公司 一种长轴棒材的锻造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404041A (en) * 1981-11-02 1983-09-13 Hitachi, Ltd. Method of producing elongated large-size forged article
US5039355A (en) * 1989-03-22 1991-08-13 Daumas Marie T Process for obtaining parts made of copper of very fine texture from a billet made by continuous casting
JP2004306135A (ja) * 2003-03-25 2004-11-04 Jfe Steel Kk 円柱状金属塊の熱間鍛造方法
JP2007136487A (ja) * 2005-11-16 2007-06-07 Sumitomo Metal Ind Ltd 熱間鍛造方法
CN102441631A (zh) * 2011-11-16 2012-05-09 东北特殊钢集团有限责任公司 直径较小且高径比较大合金钢锭锻制较宽扁坯方法
CN102500733A (zh) * 2011-09-22 2012-06-20 中国科学院金属研究所 一种高效率愈合钢锭内部孔洞型缺陷的锻造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001340938A (ja) * 2000-05-30 2001-12-11 Daido Steel Co Ltd ディスク状鍛造物の鍛造方法
CN1217755C (zh) * 2002-12-30 2005-09-07 太原理工大学 一种磨球的平砧拔长－成形方法
CN100509205C (zh) * 2006-08-29 2009-07-08 中信重工机械股份有限公司 一种大型辊压机挤压辊锻造的工艺方法
CN100509207C (zh) * 2007-12-20 2009-07-08 上海交通大学 大型锻件镦粗过程的钹形砧锻造方法
CN101920304B (zh) * 2010-06-30 2012-05-23 华南理工大学 一种大型钢质轴类锻件的锻造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404041A (en) * 1981-11-02 1983-09-13 Hitachi, Ltd. Method of producing elongated large-size forged article
US5039355A (en) * 1989-03-22 1991-08-13 Daumas Marie T Process for obtaining parts made of copper of very fine texture from a billet made by continuous casting
JP2004306135A (ja) * 2003-03-25 2004-11-04 Jfe Steel Kk 円柱状金属塊の熱間鍛造方法
JP2007136487A (ja) * 2005-11-16 2007-06-07 Sumitomo Metal Ind Ltd 熱間鍛造方法
CN102500733A (zh) * 2011-09-22 2012-06-20 中国科学院金属研究所 一种高效率愈合钢锭内部孔洞型缺陷的锻造方法
CN102441631A (zh) * 2011-11-16 2012-05-09 东北特殊钢集团有限责任公司 直径较小且高径比较大合金钢锭锻制较宽扁坯方法

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
JIAN LAN ET AL: "A New Axial Upsetting Process for Large Ingots with Large Ratio of Height to Diameter", ADVANCED MATERIALS RESEARCH, vol. 189-193, 1 February 2011 (2011-02-01), pages 2684 - 2690, XP055199780, DOI: 10.4028/www.scientific.net/AMR.189-193.2684 *
KAKIMOTO H ET AL: "Development of forging process design to close internal voids", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ELSEVIER, NL, vol. 210, no. 3, 1 February 2010 (2010-02-01), pages 415 - 422, XP026810752, ISSN: 0924-0136, [retrieved on 20091003] *
LEE Y S ET AL: "Internal void closure during the forging of large cast ingots using a simulation approach", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ELSEVIER, NL, vol. 211, no. 6, 22 January 2011 (2011-01-22), pages 1136 - 1145, XP028367906, ISSN: 0924-0136, [retrieved on 20110201], DOI: 10.1016/J.JMATPROTEC.2011.01.017 *
ONO SHIN-ICHI; MINAMI KATSUYUKI; IWASAWA HIDEO; IWADATE TADAO; NAKATA SHIN-ICHI: "Void consolidation during open-die forging for ultralarge rotor shafts (2nd report, effectiveness of indenter flat-die cogging method)", TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS SERIES C, vol. 61, no. 588, 1 August 1995 (1995-08-01), pages 3437 - 3444, XP055199824, ISSN: 0387-5024 *
See also references of WO2013041043A1 *

Also Published As

Publication number Publication date
EP2762247A1 (fr) 2014-08-06
WO2013041043A1 (fr) 2013-03-28

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