BR112021025614A2 - Aditivo para tratar ferro fundido para produzir ferro fundido de contração zero com grafite esferoide do tipo lonsdaleíta - Google Patents

Aditivo para tratar ferro fundido para produzir ferro fundido de contração zero com grafite esferoide do tipo lonsdaleíta

Info

Publication number
BR112021025614A2
BR112021025614A2 BR112021025614A BR112021025614A BR112021025614A2 BR 112021025614 A2 BR112021025614 A2 BR 112021025614A2 BR 112021025614 A BR112021025614 A BR 112021025614A BR 112021025614 A BR112021025614 A BR 112021025614A BR 112021025614 A2 BR112021025614 A2 BR 112021025614A2
Authority
BR
Brazil
Prior art keywords
cast iron
additive
lonsdaleite
elements
graphite
Prior art date
Application number
BR112021025614A
Other languages
English (en)
Inventor
Alfonso Labrador Rodríguez Francisco
Original Assignee
Francisco Alfonso Labrador Rodriguez
Raymundo Eduardo Stackpole Armendariz
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 Francisco Alfonso Labrador Rodriguez, Raymundo Eduardo Stackpole Armendariz filed Critical Francisco Alfonso Labrador Rodriguez
Publication of BR112021025614A2 publication Critical patent/BR112021025614A2/pt

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2250/00—Specific additives; Means for adding material different from burners or lances
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2300/00—Process aspects
    • C21C2300/08—Particular sequence of the process steps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

aditivo para tratar ferro fundido para produzir ferro fundido de contração zero com grafite esferoide do tipo lonsdaleíta. aditivo para tratar termoquimicamente o ferro fundido para separar, distribuir, aglomerar, precipitar, forma esferas e/ou cristalizar carbono combinado, solvatado e/ou coloidal presente no ferro fundido no estado líquido na forma de grafite de formato de diamante hexagonal ou lonsdaleíta, para produzir ferro dúctil, nodular, esferoidal, vermicular, coral, globulizado ou cinzas com altas propriedades mecânicas, ferros com alto desempenho metálico e encolhimento zero durante a fundição; o aditivo compreende dois ou mais elementos em um estado metálico selecionado do bloco s do período 2 a 7 da tabela periódica de elementos; e dois ou mais elementos em um estado metálico selecionados do bloco f do período 6 a 7 da tabela periódica de elementos. o aditivo possibilita a produção de peças de ferro fundido com grafite esferoidal em forma de diamante hexagonal ou lonsdaleíta tipo i e ii de acordo com a norma astm-a247.
BR112021025614A 2019-06-20 2020-06-17 Aditivo para tratar ferro fundido para produzir ferro fundido de contração zero com grafite esferoide do tipo lonsdaleíta BR112021025614A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2019007412A MX2019007412A (es) 2019-06-20 2019-06-20 Aditivo para tratar hierro en fundicion para producir hierro fundido de contraccion cero y con grafito esferoidal tipo lonsdaleita.
PCT/IB2020/055672 WO2020254992A1 (es) 2019-06-20 2020-06-17 Aditivo para tratar hierro en fundición para producir hierro fundido de contracción cero y con grafito esferoidal tipo lonsdaleita

Publications (1)

Publication Number Publication Date
BR112021025614A2 true BR112021025614A2 (pt) 2022-03-08

Family

ID=68577676

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025614A BR112021025614A2 (pt) 2019-06-20 2020-06-17 Aditivo para tratar ferro fundido para produzir ferro fundido de contração zero com grafite esferoide do tipo lonsdaleíta

Country Status (5)

Country Link
US (1) US20220243294A1 (pt)
CN (1) CN114269491B (pt)
BR (1) BR112021025614A2 (pt)
MX (1) MX2019007412A (pt)
WO (1) WO2020254992A1 (pt)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750143B1 (fr) * 1996-06-25 1998-08-14 Pechiney Electrometallurgie Ferroalliage pour l'inoculation des fontes a graphite spheroidal
CN102392094B (zh) * 2011-10-20 2014-02-12 宁波康发铸造有限公司 球墨铸铁用球化剂及其制备方法
US20160138139A1 (en) * 2013-09-06 2016-05-19 Toshiba Kikai Kabushiki Kaisha Spheroidizing treatment method for molten metal of spheroidal graphite cast iron
CN105331763B (zh) * 2015-10-30 2017-07-14 成都宏源铸造材料有限公司 一种球墨铸铁用孕育剂的制备方法及其应用
CN105779858B (zh) * 2016-03-14 2018-01-16 银峰铸造（芜湖）有限公司 铸态高强度球墨铸铁及其制备方法
NO20161094A1 (en) * 2016-06-30 2018-01-01 Elkem As Cast Iron Inoculant and Method for Production of Cast Iron Inoculant
CN107326139B (zh) * 2017-06-27 2019-08-02 苏州楚博生物技术有限公司 一种稀土镁球化剂
CN107686936A (zh) * 2017-08-23 2018-02-13 广东中天创展球铁有限公司 一种鹅颈料壶铸铁及其制备方法
CN107619898A (zh) * 2017-08-31 2018-01-23 安徽信息工程学院 厚大断面球铁件用球化剂及其制备方法
CN108251739A (zh) * 2018-01-17 2018-07-06 中国重汽集团济南动力有限公司 一种高强度高伸长率球墨铸铁及其制备方法
CN108817327A (zh) * 2018-06-25 2018-11-16 宁波拓铁机械有限公司 薄壁框架铸件一铸多出的铸造方法
CN109504814A (zh) * 2018-12-27 2019-03-22 江苏亚峰合金材料有限公司 新型低硅低稀土球化剂及制备方法
CN109811108A (zh) * 2019-03-20 2019-05-28 江苏亚峰合金材料有限公司 一种含轻稀土金属的孕育剂及其制备方法

Also Published As

Publication number Publication date
CN114269491A (zh) 2022-04-01
US20220243294A1 (en) 2022-08-04
MX2019007412A (es) 2019-08-29
WO2020254992A1 (es) 2020-12-24
CN114269491B (zh) 2024-04-30

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