FR2416957A1 - Fonte pour l'obtention de moulages sans couche superficielle blanche - Google Patents

Fonte pour l'obtention de moulages sans couche superficielle blanche

Info

Publication number
FR2416957A1
FR2416957A1 FR7804137A FR7804137A FR2416957A1 FR 2416957 A1 FR2416957 A1 FR 2416957A1 FR 7804137 A FR7804137 A FR 7804137A FR 7804137 A FR7804137 A FR 7804137A FR 2416957 A1 FR2416957 A1 FR 2416957A1
Authority
FR
France
Prior art keywords
chill
improved machinability
foundry iron
free
free foundry
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.)
Granted
Application number
FR7804137A
Other languages
English (en)
Other versions
FR2416957B1 (fr
Inventor
L V Peregudov
M M Malashin
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.)
TUL PK T
Original Assignee
TUL PK T
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 TUL PK T filed Critical TUL PK T
Priority to FR7804137A priority Critical patent/FR2416957A1/fr
Publication of FR2416957A1 publication Critical patent/FR2416957A1/fr
Application granted granted Critical
Publication of FR2416957B1 publication Critical patent/FR2416957B1/fr
Granted legal-status Critical Current

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
    • C22C37/10—Cast-iron alloys containing aluminium or silicon

Landscapes

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

Abstract

L'invention concerne la métallurgie. La fonte faisant l'objet de l'invention est du type contenant du carbone, du silicium, du manganèse, de l'aluminium, du calcium, du phosphore, du soufre et du fer, et est caractérisée en ce qu'elle contient en outre du cérium, la composition pondérale de ladite fonte étant la suivante : - carbone, de 2,8 à 4,0 %; - silicium, de 1,5 à 2,6 %; - manganèse, de 0,2 à 1,2 %; - aluminium, de 0,06 à 0,6 %; - calcium, de 0,04 à 0,10 %; - soufre, jusqu'à 0,20 %; - cérium, de 0,01 à 0,05 %; - phosphore, jusqu'à 0,30 %; - fer, le reste. L'invention permet notamment d'obtenir des moulages de forme compliquée, comportant des parties d'épaisseur inférieure à 4 mm, et ne présentant aucune couche blanche superficielle.
FR7804137A 1978-02-14 1978-02-14 Fonte pour l'obtention de moulages sans couche superficielle blanche Granted FR2416957A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7804137A FR2416957A1 (fr) 1978-02-14 1978-02-14 Fonte pour l'obtention de moulages sans couche superficielle blanche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7804137A FR2416957A1 (fr) 1978-02-14 1978-02-14 Fonte pour l'obtention de moulages sans couche superficielle blanche

Publications (2)

Publication Number Publication Date
FR2416957A1 true FR2416957A1 (fr) 1979-09-07
FR2416957B1 FR2416957B1 (fr) 1980-10-17

Family

ID=9204575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7804137A Granted FR2416957A1 (fr) 1978-02-14 1978-02-14 Fonte pour l'obtention de moulages sans couche superficielle blanche

Country Status (1)

Country Link
FR (1) FR2416957A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2457256C2 (ru) * 2010-03-22 2012-07-27 Федеральное государственное образовательное учреждение высшего профессионального образования Ярославская государственная сельскохозяйственная академия Модифицирующая смесь

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU414325A1 (ru) * 1969-10-30 1974-02-05 Чугун

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU414325A1 (ru) * 1969-10-30 1974-02-05 Чугун

Also Published As

Publication number Publication date
FR2416957B1 (fr) 1980-10-17

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Legal Events

Date Code Title Description
ST Notification of lapse