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FR2047250A5 - Protective atmosphere for casting mg and mg - alloy - Google Patents

Protective atmosphere for casting mg and mg - alloy

Info

Publication number
FR2047250A5
FR2047250A5 FR7016189A FR7016189A FR2047250A5 FR 2047250 A5 FR2047250 A5 FR 2047250A5 FR 7016189 A FR7016189 A FR 7016189A FR 7016189 A FR7016189 A FR 7016189A FR 2047250 A5 FR2047250 A5 FR 2047250A5
Authority
FR
France
Prior art keywords
casting
alloy
protective atmosphere
inhibitor
cclf2
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
Application number
FR7016189A
Other languages
French (fr)
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.)
HANAWALT JOSEPH
Original Assignee
HANAWALT JOSEPH
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 HANAWALT JOSEPH filed Critical HANAWALT JOSEPH
Application granted granted Critical
Publication of FR2047250A5 publication Critical patent/FR2047250A5/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/002—Castings of light metals
    • B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Continuous Casting (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

Atmosphere contains BF3, SF6, CF4 (CClF2)2 or SO2 as oxidation inhibitor. Spec., the atm. consists of at least one of air, N2, A, He or CO2 to which 0.05-1.0, pref. 0.1 vol.% SF6 is added as inhibitor.
FR7016189A 1969-05-05 1970-05-04 Protective atmosphere for casting mg and mg - alloy Expired FR2047250A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82203169A 1969-05-05 1969-05-05

Publications (1)

Publication Number Publication Date
FR2047250A5 true FR2047250A5 (en) 1971-03-12

Family

ID=25234927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016189A Expired FR2047250A5 (en) 1969-05-05 1970-05-04 Protective atmosphere for casting mg and mg - alloy

Country Status (2)

Country Link
DE (1) DE2018407A1 (en)
FR (1) FR2047250A5 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2775209A1 (en) * 1998-02-26 1999-08-27 Brochot Sa Method for protecting a nonferrous liquid metal, in particular, liquid magnesium against oxidation and ignition
WO2001006023A1 (en) * 1999-07-15 2001-01-25 Hatch Associates Ltd. Method and system of protecting easily oxidized metals melts like molten magnesium by 'in situ' generation of boron trifluoride gas
EP1122322A1 (en) * 2000-02-07 2001-08-08 Air Products And Chemicals, Inc. Blanketing molten non-ferrous metals and alloys with fluoride gases having reduced global warming potential
US6521018B2 (en) 2000-02-07 2003-02-18 Air Products And Chemicals, Inc. Blanketing metals and alloys at elevated temperatures with gases having reduced global warming potential

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214899A (en) * 1979-03-09 1980-07-29 Union Carbide Corporation Method for the addition of a reactive metal to a molten metal bath
FR2760984B1 (en) * 1997-03-24 1999-06-25 Aerospatiale PROCESS FOR MANUFACTURING A COMPOSITE PART WITH MAGNESIUM MATRIX, BY PRESSURE FOUNDRY
NO304893B1 (en) * 1997-07-07 1999-03-01 Norsk Hydro As Process for melting magnesium without flux and equipment for this
AT2420U1 (en) * 1997-11-24 1998-10-27 Unitech Ag METHOD FOR THE OPERATION OF OVEN PLANTS FOR MAGNESIUM ALLOYS
DE19825644C2 (en) * 1998-06-09 2003-08-14 Messer Griesheim Gmbh Humidified SF6 atmosphere when extracting magnesium

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2775209A1 (en) * 1998-02-26 1999-08-27 Brochot Sa Method for protecting a nonferrous liquid metal, in particular, liquid magnesium against oxidation and ignition
WO1999043458A1 (en) * 1998-02-26 1999-09-02 Brochot S.A. Method for protecting a non-ferrous liquid metal from oxidation
US6500230B1 (en) 1998-02-26 2002-12-31 Brochot S.A. Method for protecting a non-ferrous liquid metal from oxidation
AU756719B2 (en) * 1998-02-26 2003-01-23 Brochot S.A. Method for protecting a non-ferrous liquid metal from oxidation
WO2001006023A1 (en) * 1999-07-15 2001-01-25 Hatch Associates Ltd. Method and system of protecting easily oxidized metals melts like molten magnesium by 'in situ' generation of boron trifluoride gas
EP1122322A1 (en) * 2000-02-07 2001-08-08 Air Products And Chemicals, Inc. Blanketing molten non-ferrous metals and alloys with fluoride gases having reduced global warming potential
US6521018B2 (en) 2000-02-07 2003-02-18 Air Products And Chemicals, Inc. Blanketing metals and alloys at elevated temperatures with gases having reduced global warming potential

Also Published As

Publication number Publication date
DE2018407A1 (en) 1971-02-25

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Legal Events

Date Code Title Description
ST Notification of lapse