SAND FOR MAKING CASTING MOLDS AND CORES

SAND FOR MAKING CASTING MOLDS AND CORES

FIELD: foundry, namely compositions of sands for making casting molds and cores. ^ SUBSTANCE: sand for making casting molds and cores contains next relation of components, mass. %: technical lignosulfonate, 2 - 3; solution of polystyrene in cyclohexane with density 1.2 - 1.4 g/cm3 , 2 - 4; quartz sa...

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Hauptverfasser: PANIVAN VLADIMIR PETROVICH, JAKIMOV ANTON VIKTOROVICH, ZELINSKIJ VIKTOR VLADIMIROVICH, JAKIMOV VIKTOR IVANOVICH, MURAV'EV VASILIJ ILLARIONOVICH, MAR'IN BORIS NIKOLAEVICH, IVANOV JURIJ LEONIDOVICH, DMITRIEV EHDUARD ANATOL'EVICH, PETROV VIKTOR VIKTOROVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:FIELD: foundry, namely compositions of sands for making casting molds and cores. ^ SUBSTANCE: sand for making casting molds and cores contains next relation of components, mass. %: technical lignosulfonate, 2 - 3; solution of polystyrene in cyclohexane with density 1.2 - 1.4 g/cm3 , 2 - 4; quartz sand, 93 - 96. ^ EFFECT: improved strength of green and hardened molding sand. ^ 1 tbl