ES2103772T3 - NODULARIZATION PROCEDURE. - Google Patents

NODULARIZATION PROCEDURE.

Info

Publication number
ES2103772T3
ES2103772T3 ES91300014T ES91300014T ES2103772T3 ES 2103772 T3 ES2103772 T3 ES 2103772T3 ES 91300014 T ES91300014 T ES 91300014T ES 91300014 T ES91300014 T ES 91300014T ES 2103772 T3 ES2103772 T3 ES 2103772T3
Authority
ES
Spain
Prior art keywords
metal
mold cavity
nodularization
procedure
agent
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.)
Expired - Lifetime
Application number
ES91300014T
Other languages
Spanish (es)
Inventor
Geoffrey Mannion
Henry Cecil Canning
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.)
International Meehanite Metal Co Ltd
Original Assignee
International Meehanite Metal Co Ltd
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 International Meehanite Metal Co Ltd filed Critical International Meehanite Metal Co Ltd
Application granted granted Critical
Publication of ES2103772T3 publication Critical patent/ES2103772T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron alloys
    • C22C33/10—Making cast-iron alloys including procedures for adding magnesium

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

UN METODO PARA LA PRODUCCION DE NODULOS DE HIERRO HA SIDO DESCUBIERTO, EN EL CUAL HA SIDO INTRODUCIDO UN NODULIZADOR DENTRO DEL PROCESO DE FUNDIDO DEL METAL PARA SER TRATADO EN DOS ETAPAS. EN PARTICULAR LAS INCORPORACIONES TIPICAS, SE TRATAN DE UN AGENTE NODULIZADOR QUE ES INTRODUCIDO EN EL PASO PREVIO A LA FUNDICION DEL METAL, DENTRO DE LA CAVIDAD DEL MOLDE Y, EN EL SEGUNDO PASO, EL AGENTE NODULIZADOR QUE ESTA DENTRO DE LA CAVIDAD DEL MOLDE O UNA CAMARA ADJUNTA, INMEDIATAMENTE DE SU PREVIA INTRODUCCION DEL METAL A SER MOLDEADO O LE ES AÑADIDO EL AGENTE A LA CORRIENTE LIQUIDA DEL METAL DURANTE SU PASO A LA CAVIDAD DEL MOLDE.A METHOD FOR THE PRODUCTION OF IRON NODULES HAS BEEN DISCOVERED, IN WHICH A NODULIZER HAS BEEN INTRODUCED WITHIN THE METAL MELTING PROCESS TO BE TREATED IN TWO STAGES. IN PARTICULAR THE TYPICAL INCORPORATIONS, THEY ARE A NODULIZING AGENT THAT IS INTRODUCED IN THE STEP BEFORE METAL CASTING, WITHIN THE MOLD CAVITY AND, IN THE SECOND STEP, THE NODULIZING AGENT THAT IS INSIDE THE MOLD CAVITY AN ATTACHED CAMERA, IMMEDIATELY FROM ITS PREVIOUS INTRODUCTION OF THE METAL TO BE MOLDED OR THE AGENT IS ADDED TO THE LIQUID CURRENT OF THE METAL DURING ITS PASSAGE TO THE MOLD CAVITY.

ES91300014T 1990-01-16 1991-01-02 NODULARIZATION PROCEDURE. Expired - Lifetime ES2103772T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909000899A GB9000899D0 (en) 1990-01-16 1990-01-16 Nodularlising method

Publications (1)

Publication Number Publication Date
ES2103772T3 true ES2103772T3 (en) 1997-10-01

Family

ID=10669338

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91300014T Expired - Lifetime ES2103772T3 (en) 1990-01-16 1991-01-02 NODULARIZATION PROCEDURE.

Country Status (5)

Country Link
EP (1) EP0439244B1 (en)
DE (1) DE69125860T2 (en)
DK (1) DK0439244T3 (en)
ES (1) ES2103772T3 (en)
GB (1) GB9000899D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629709A1 (en) * 1993-05-18 1994-12-21 Grafit-Verwertung Richard Anton Kg Process and inoculant for the production of cast iron
CN114074183B (en) * 2021-11-29 2023-04-25 国铭铸管股份有限公司 Method for reducing internal defects of surface of spheroidal graphite cast tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278265A (en) * 1968-07-17 1972-06-21 Materials & Methods Ltd Improved process for the manufacture of nodular cast iron
CH565864A5 (en) * 1971-08-24 1975-08-29 Sulzer Ag
RO71368A2 (en) * 1979-02-16 1981-08-30 Institutul De Cercetaresstiintifica,Inginerie Tehnologica Si Proiectare Pentru Sectoare Calde,Ro PROCESS FOR PRODUCING VERMICULAR GRAPHITE BRIDGES BY DOUBLE CHANGE
DE3364787D1 (en) * 1982-01-20 1986-09-04 Int Meehanite Metal Co Apparatus and process for the treatment of molten metal
DE3801917A1 (en) * 1988-01-23 1989-08-03 Metallgesellschaft Ag METHOD FOR PRODUCING CAST IRON WITH BALL GRAPHITE

Also Published As

Publication number Publication date
EP0439244A1 (en) 1991-07-31
DK0439244T3 (en) 1997-11-03
EP0439244B1 (en) 1997-05-02
GB9000899D0 (en) 1990-03-14
DE69125860D1 (en) 1997-06-05
DE69125860T2 (en) 1997-12-04

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