ATE105T1 - PROCESSES FOR THE MANUFACTURE OF OBJECTS, PARTICULARLY IN NODULAR IRON. - Google Patents

PROCESSES FOR THE MANUFACTURE OF OBJECTS, PARTICULARLY IN NODULAR IRON.

Info

Publication number
ATE105T1
ATE105T1 AT80400260T AT80400260T ATE105T1 AT E105 T1 ATE105 T1 AT E105T1 AT 80400260 T AT80400260 T AT 80400260T AT 80400260 T AT80400260 T AT 80400260T AT E105 T1 ATE105 T1 AT E105T1
Authority
AT
Austria
Prior art keywords
mould
molten metal
objects
manufacture
processes
Prior art date
Application number
AT80400260T
Other languages
German (de)
Inventor
Charles Defrancq
Jacques Rouhier
Original Assignee
Air Liquide
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 Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of ATE105T1 publication Critical patent/ATE105T1/en

Links

Classifications

    • 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
    • C21C1/08—Manufacture of 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron

Landscapes

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

Abstract

1. Process for producing castings, especially in spherical graphite moulds, of the kind in which the molten metal is poured from a ladle into a mould, characterised in that on the one hand, the magnesium content of the molten metal is between 0.03 and 0.07% and the aluminium content thereof is at least 0.1% and, on the other hand, that whilst pouring the molten metal the already known technique of pouring into a mould in which the atmosphere has previously been rendered inert by pouring liquid nitrogen into the bottom of the mould is utilised.
AT80400260T 1979-03-05 1980-02-25 PROCESSES FOR THE MANUFACTURE OF OBJECTS, PARTICULARLY IN NODULAR IRON. ATE105T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7905601A FR2450650A1 (en) 1979-03-05 1979-03-05 PROCESS FOR THE PREPARATION OF PARTS, PARTICULARLY IN CAST IRON WITH SPHEROIDAL GRAPHITE
EP80400260A EP0015819B1 (en) 1979-03-05 1980-02-25 Method for the production of articles mainly consisting of spheroidal graphite cast iron

Publications (1)

Publication Number Publication Date
ATE105T1 true ATE105T1 (en) 1981-07-15

Family

ID=9222749

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80400260T ATE105T1 (en) 1979-03-05 1980-02-25 PROCESSES FOR THE MANUFACTURE OF OBJECTS, PARTICULARLY IN NODULAR IRON.

Country Status (9)

Country Link
EP (1) EP0015819B1 (en)
JP (1) JPS55117557A (en)
AT (1) ATE105T1 (en)
AU (1) AU539864B2 (en)
BE (1) BE882029A (en)
CA (1) CA1135475A (en)
DE (1) DE3060003D1 (en)
ES (1) ES489156A1 (en)
FR (1) FR2450650A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2080159A (en) * 1935-06-05 1937-05-11 Republic Steel Corp Process of treating steel
GB987190A (en) * 1963-03-14 1965-03-24 British Oxygen Co Ltd Minimising the contamination of molten metal during casting
BE793567A (en) * 1971-12-30 1973-06-29 Air Liquide METAL CASTING PROCESS

Also Published As

Publication number Publication date
AU539864B2 (en) 1984-10-18
AU5560280A (en) 1980-09-11
FR2450650A1 (en) 1980-10-03
EP0015819A1 (en) 1980-09-17
JPS55117557A (en) 1980-09-09
EP0015819B1 (en) 1981-07-15
BE882029A (en) 1980-09-03
ES489156A1 (en) 1980-08-16
CA1135475A (en) 1982-11-16
DE3060003D1 (en) 1981-10-22

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee