FIELD: powder metallurgy. SUBSTANCE: material al contains, mass % : tin 8-9, lead 7-8, product of reduction iron powder and powders of molybdenum and chromium carbides (its size being 0.005-0.5 micron) mullite 1-2, graphite 1-2, copper - the rest. EFFECT: improves desired product quality. 1 tbl
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