FIELD: foundry, namely casting of magnesium alloys to sand molds.
SUBSTANCE: additive for molding sands contains boric acid, 14 - 20 mass %; aluminum fluoride, 8 - 18 mass % and urea, the balance. Additive may contain in addition manganese carbonate, magnesium carbonate, copper sulfate, ammonium sulfate, aluminum sulfate or magnesium sulfate in quantity 4 - 8 mass %.
EFFECT: improved protection of magnesium alloys against oxidation and pickup, enhanced sanitary condition at operation.
2 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| ADDITIVE FOR MOLDING MIXTURES | 2019 |
|
RU2696803C1 |
| PARTING ADDITIVE FOR MOLDING SAND | 2002 |
|
RU2221668C1 |
| MOULDING MIXTURE FOR PRODUCING CASTING MOULD WHEN CASTING MAGNESIUM ALLOYS | 2016 |
|
RU2632754C1 |
| MIX FOR PRODUCING CORES AND FACING SAND WHEN CASTING MAGNESIUM ALLOYS AND METHOD FOR PREPARING THE SAME | 0 |
|
SU1072979A1 |
| ANTI-STICK PAINT FOR SAND MOLDS AND RODS USED IN CASTING MAGNESIUM ALLOYS | 2018 |
|
RU2697680C1 |
| METHOD OF PRODUCING CASTINGS FROM READILY OXIDIZED ALLOYS | 0 |
|
SU624715A1 |
| NON-STICK PAINT FOR MOULDS FOR CASTING MAGNESIUM ALLOYS | 2016 |
|
RU2632753C1 |
| MOLDING SAND PREPARATION METHOD FOR CASTING MAGNESIUM ALLOYS | 2004 |
|
RU2264884C1 |
| SELF-HARDENING SAND FOR MAKING MOULDS AND CORES WHEN CASTING MAGNESIUM ALLOYS | 0 |
|
SU1614884A1 |
| 0 |
|
SU25130A1 |
