GB326820A - Method of casting magnesium or magnesium alloys - Google Patents

Method of casting magnesium or magnesium alloys

Info

Publication number
GB326820A
GB326820A GB3752528A GB3752528A GB326820A GB 326820 A GB326820 A GB 326820A GB 3752528 A GB3752528 A GB 3752528A GB 3752528 A GB3752528 A GB 3752528A GB 326820 A GB326820 A GB 326820A
Authority
GB
United Kingdom
Prior art keywords
per cent
fluoride
casting
addition
magnesium
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
GB3752528A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB3752528A priority Critical patent/GB326820A/en
Publication of GB326820A publication Critical patent/GB326820A/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)
  • Mold Materials And Core Materials (AREA)

Abstract

326,820. I. G. Farbenindustrie Akt.- Ges., and Mond, A. L. Dec. 19, 1928. Addition to 187,943 and 219,753. Mould and core materials.-Oxidation of magnesium in casting is prevented by adding to the moulding sand, instead of or in addition to one or more of the protective substances referred to in the parent Specifications, a fluoride which is not hygroscopic or is kept stable, in the presence of heat and moisture, by the addition of another substance. The sand may be mixed with 3 to 5 per cent of ammonium hydrogen fluoride or ammonium silico fluoride the mixture being stored for some time, in the latter case, before use ; or 5 per cent of ammonium fluoride mav be used with 3 per cent of oxalic acid to absorb any decomposition products. This material on coming into contact with the molten metal produces a non-oxidizing gas which forms a protective layer on the casting, as described in Specification 254,302, [Class 82 (ii), Washing granular &c.]. For small castings up to 15 per cent of one of the above substances may be used without other protective substance.
GB3752528A 1928-12-19 1928-12-19 Method of casting magnesium or magnesium alloys Expired GB326820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3752528A GB326820A (en) 1928-12-19 1928-12-19 Method of casting magnesium or magnesium alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3752528A GB326820A (en) 1928-12-19 1928-12-19 Method of casting magnesium or magnesium alloys

Publications (1)

Publication Number Publication Date
GB326820A true GB326820A (en) 1930-03-19

Family

ID=10397131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3752528A Expired GB326820A (en) 1928-12-19 1928-12-19 Method of casting magnesium or magnesium alloys

Country Status (1)

Country Link
GB (1) GB326820A (en)

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