METHOD FOR THE PREPARATION OF THREE-DIMENSIONAL CLOSED-CELL METAL SPONGE BY ADDITION OF DOLOMITE POWDER IN MOLTEN METAL

摘要

Subject: preparation of three-dimensional closed-cell metal sponge by addition of dolomite powder to molten metal. two-stage preparation process: intense agitation of dolomite powder added into a liquid metal and subsequent use of a thermal treatment oven inducing the foaming of the mixture and the increase of the volume of the final product.