PARTICLE OF CORE-SHELL TYPE TO BE USED AS FILLER FOR HOT TOP SAND MIXES Russian patent published in 2012 - IPC B22C1/18 

Abstract RU 2466821 C2

FIELD: metallurgy.

SUBSTANCE: proposed method comprises making bearing cores sized to 30-500 mcm consisting of material with maximum stability at up to 1400°C, preparing particles with mean particle size not over 15 mcm stable at, at least, 1500°C, and bringing bearing cores in contact with said particles in the presence of binder.

EFFECT: binding particles into separate cores or all cores into shell.

1 tbl, 4 ex

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RU 2 466 821 C2

Authors

Lanver Ul'Rikh

Rimann Klaus Diter

Khjubert Jurgen

Liber Khermann

Dates

2012-11-20Published

2008-03-14Filed