FIELD: chemistry.
SUBSTANCE: invention relates to foundry. Moulds and cores are made using a moulding mixture containing a refractory filler, liquid glass and at least one mixed particulate metal oxide comprising aluminium oxide and zirconium oxide.
EFFECT: improving surface quality of castings without using organic additives of moulding materials.
34 cl, 2 dwg, 3 tbl
| Title |
Year |
Author |
Number |
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|
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|
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|
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|
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|
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2008 |
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|
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|
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