PL89985B1 - Process of employing a substance in pellet form for nodularizing graphite in liquid cast iron[US3961663A] - Google Patents

Process of employing a substance in pellet form for nodularizing graphite in liquid cast iron[US3961663A] Download PDF

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Publication number
PL89985B1
PL89985B1 PL1974171428A PL17142874A PL89985B1 PL 89985 B1 PL89985 B1 PL 89985B1 PL 1974171428 A PL1974171428 A PL 1974171428A PL 17142874 A PL17142874 A PL 17142874A PL 89985 B1 PL89985 B1 PL 89985B1
Authority
PL
Poland
Prior art keywords
modifier
iron
magnesium
spheroidizing agent
content
Prior art date
Application number
PL1974171428A
Other languages
English (en)
Original Assignee
Pontamousson Sa Nancy Frankrijk
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 FR7319340A external-priority patent/FR2231755A1/fr
Priority claimed from FR7416090A external-priority patent/FR2278770A2/fr
Application filed by Pontamousson Sa Nancy Frankrijk filed Critical Pontamousson Sa Nancy Frankrijk
Publication of PL89985B1 publication Critical patent/PL89985B1/pl

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/007Treatment of the fused masses in the supply runners
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/10Making spheroidal graphite cast-iron

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  • 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)
  • Sampling And Sample Adjustment (AREA)

Claims (12)

  1. Zastrzezenia patentowe 1. Modyfikator zeliwa sferoidalnego zawierajacy zelazo i czynnik sferoidyzujacy, znamienny tym, ze zawiera metaliczne zelazo i niezwiazany czynnik sferoidyzujacy, obydwa w stanie sproszkowanym i wspólnie zbrykietowanym.
  2. 2. Modyfikator wedlug zastrz. 1, znamienny tym, ze czynnik sferoidyzujacy jest dobrany sposród pierwiastków takich jak magnez, wapn, cer i inne metale ziem rzadkich.
  3. 3. Modyfikator wedlug zastrz. 2, znamienny tym, ze jesli czynnikiem sferoidyzujacym jest magnez, sferoidyzator zawiera od 1 do 20% wagowych magnezu i od 80 do.99% wagowych zelaza.
  4. 4. Modyfikator wedlug zastrz. 3, znamienny tym, ze zawiera korzystnie 10% wagowych magnezu i 90% wagowych zelaza.
  5. 5. Modyfikator wedlug zastrz. 1, znamienny tym, ze jest sprasowany pod postacia pastylek tworzacych szereg grup pastylek o zmieniajacej sie zawartosci czynnika sferoidyzujacego od jednej grupy do drugiej.
  6. 6. Modyfikator wedlug zastrz. 1, znamienny tym, ze jest zbrykietowany w postaci pastylek zawierajacych w grupach taka sama ilosc czynnika sferoidyzujacego.89 985 5
  7. 7. Modyfikator wedlug zastrz. 5, z n a m i e n n y t y m, ze ma zawartosc magnezu zmieniajaca sie od 5 do 75% od jednej grupy do drugiej.
  8. 8. Modyfikator wedlug zastrz. 1, znamienny tym, ze wielkosc ziarn proszku zelaza rczynnika sfero idyzujacego wynosi od 0 do 500 mikronów, korzystnie od 100 do 300 mikronów.
  9. 9. Modyfikator wedlug zastrz. 1, znamienny tym, ze jest zbrykietowany w prasie pod naciskiem wyzszym od 1 tony na centrymetr kwadratowy.
  10. 10. Sposób stosowania modyfikatora zeliwa sferoidalnego polegajacy na odlewaniu zeliwa do formy i kontaktowaniu go przy wlocie do formy z modyfikatorem zeliwa sferoidalnego zawierajacym zelazo i czynnik sferoidyzujacy, znamienny tym, ze modyfikator w postaci pastylek stosuje sie w kilku grupach pastylek o róznej zawartosci czynnika sferoidyzujacego.
  11. 11. Sposób wedlug zastrz. 10, znamienny tym, ze na drodze przeplywu zeliwa umieszcza sie najpierw grupe pastylek o najwiekszej zawartosci czynnika sferoidyzujacego, a nastepnie pozostale grupy pastylek w kolejnosci wedlug malejacej zawartosci czynnika sferoidyzujacego.
  12. 12. Sposób wedlug zastrz. 10 lub 11, znamienny tym, ze stosuje sie pastylki, w których zawartosc magnezu waha sie od 5 do 75%, przy czym stosuje sie jedna pastylke o zawartosci 75% magnezu, dwie pastylki o zawartosci 10% magnezu oraz 13 pastylek o zawartosci 5% magnezu. 11 Sposób wedlug zastrz. 10, znamienny tym, ze modyfikator stosuje sie w ilosci od 0 5 do 3% wagowych w stosunku do zeliwa. FIG.1 «5%, FIG. 2 0,0504 0,040 j" 0,0201 0,010 I ?/~^ -» 1- O C* Cs C4 C$89 985 1! \ FIG. 3 12 4 I5a 151* 1)5-° ¦,'A.')'/;,",v. Kmim 11a 17 'S'r//VA//////y;.y\.• ; ?/, k^ 13' ^m ^^^x ^ s<^ 14 11^ 4j— 15° 11* P 0,030^ FIG.5 1,1)20 0,010 10 15 20 25 Prac. Poligraf. UP PRL naklad 120+18 Cena 10 zl PL
PL1974171428A 1973-05-28 1974-05-27 Process of employing a substance in pellet form for nodularizing graphite in liquid cast iron[US3961663A] PL89985B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7319340A FR2231755A1 (en) 1973-05-28 1973-05-28 Spheroidising inoculant for graphite cast iron - using pellets made from pure magnesium and iron powders and placed in the downgate
FR7416090A FR2278770A2 (fr) 1974-05-09 1974-05-09 Substance de nodularisation du graphite dans la fonte liquide

Publications (1)

Publication Number Publication Date
PL89985B1 true PL89985B1 (en) 1976-12-31

Family

ID=26217738

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1974171428A PL89985B1 (en) 1973-05-28 1974-05-27 Process of employing a substance in pellet form for nodularizing graphite in liquid cast iron[US3961663A]

Country Status (15)

Country Link
US (1) US3961663A (pl)
JP (1) JPS5144085B2 (pl)
AU (1) AU473944B2 (pl)
BR (1) BR7404331D0 (pl)
CA (1) CA1032768A (pl)
CH (1) CH592739A5 (pl)
CS (1) CS199250B2 (pl)
DD (1) DD112776A5 (pl)
DK (1) DK143860C (pl)
GB (1) GB1472321A (pl)
IT (1) IT1011884B (pl)
NL (1) NL163826C (pl)
NO (1) NO139669C (pl)
PL (1) PL89985B1 (pl)
SE (1) SE406930B (pl)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753282C2 (de) * 1976-12-06 1984-05-30 Foseco International Ltd., Birmingham Mittel zur metallurgischen Behandlung von flüssigem Eisen sowie Verwendung des Mittels
CA1076319A (en) * 1977-06-16 1980-04-29 James Frost Method and apparatus for making castings
JPS5810966B2 (ja) * 1978-02-06 1983-02-28 川崎重工業株式会社 ダクタイル鋳鉄の製造法
US4224069A (en) * 1978-07-19 1980-09-23 General Motors Corporation Transportation stable magnesium and iron diluent particle mixtures for treating molten iron
DE2925822C2 (de) * 1979-06-27 1984-03-08 Heinz-Ulrich Prof. Dr.-Ing. 6360 Friedberg Doliwa Verfahren zur Herstellung von Gußstücken aus Eisen-Kohlenstoff-Schmelzen mit Kugel- oder Kompaktgraphit und Kern zur Durchführung des Verfahrens
GB8604569D0 (en) * 1986-02-25 1986-04-03 Foseco Int Casting of molten ferrous metal
DE3726272A1 (de) * 1987-08-07 1989-02-16 Metallgesellschaft Ag Verfahren zum impfen von gusseisen
GB8814124D0 (en) * 1988-06-14 1988-07-20 Foseco Int Production of nodular/compacted graphite iron castings
US5038846A (en) * 1990-02-27 1991-08-13 General Motors Corporation Differential pressure, countergravity casting with alloyant reaction chamber
TW234092B (pl) * 1992-05-29 1994-11-11 Daussan Et Co
ATE174970T1 (de) * 1994-10-24 1999-01-15 Ivoclar Ag Verfahren zur herstellung von metallgussteilen
US6350328B1 (en) * 2000-06-27 2002-02-26 Rossborough Manufacturing Co. Lp Metal injection molding
US6350295B1 (en) 2001-06-22 2002-02-26 Clayton A. Bulan, Jr. Method for densifying aluminum and iron briquettes and adding to steel
US6613119B2 (en) * 2002-01-10 2003-09-02 Pechiney Electrometallurgie Inoculant pellet for late inoculation of cast iron
US6793707B2 (en) * 2002-01-10 2004-09-21 Pechiney Electrometallurgie Inoculation filter
US6989040B2 (en) * 2002-10-30 2006-01-24 Gerald Zebrowski Reclaimed magnesium desulfurization agent
US20080196548A1 (en) * 2007-02-16 2008-08-21 Magnesium Technologies Corporation Desulfurization puck
EP3170578B1 (de) * 2015-11-17 2021-06-30 GF Casting Solutions Kunshan Co. Ltd. Verfahren zur herstellung eines gussstücks aus gusseisen mit kugelgraphit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260501B (de) * 1965-02-03 1968-02-08 Metallgesellschaft Ag Verfahren zur Behandlung von Gusseisenschmelzen
DE1458899A1 (de) * 1965-11-17 1969-02-13 Metallgesellschaft Ag Verfahren zum Impfen von Gusseisen
GB1278265A (en) * 1968-07-17 1972-06-21 Materials & Methods Ltd Improved process for the manufacture of nodular cast iron
US3851700A (en) * 1973-08-20 1974-12-03 Gen Motors Corp Method of inoculating nodular cast iron

Also Published As

Publication number Publication date
JPS5027711A (pl) 1975-03-22
NO741915L (no) 1974-11-29
JPS5144085B2 (pl) 1976-11-26
CS199250B2 (en) 1980-07-31
CH592739A5 (pl) 1977-11-15
AU6942174A (en) 1975-11-27
DD112776A5 (pl) 1975-05-05
DE2425122B2 (de) 1976-10-14
DK143860C (da) 1982-03-22
IT1011884B (it) 1977-02-10
CA1032768A (en) 1978-06-13
NL7407126A (pl) 1974-12-02
DE2425122A1 (de) 1974-12-19
AU473944B2 (en) 1976-07-08
NL163826B (nl) 1980-05-16
NO139669B (no) 1979-01-15
DK287974A (pl) 1975-01-20
NO139669C (no) 1979-04-25
US3961663A (en) 1976-06-08
DK143860B (da) 1981-10-19
BR7404331D0 (pt) 1975-09-23
SE406930B (sv) 1979-03-05
NL163826C (nl) 1980-10-15
GB1472321A (en) 1977-05-04

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