ZINC-BASE ALLOY

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FIELD : non-ferrous metallurgy, in particular, composition of zinc-base alloys used in mechanical engineering.SUBSTANCE : alloy has the following composition, wt% : aluminum 3.0-5.0; manganese 3.0-5.0; silicon 0.2-0.4; iron 0.3-0.5; zirconium 0.08-0.12; rare-earth metals 0.06-0.1; cobalt 10.0-15.0; zinc the balance.EFFECT : increased hardness of alloy.1 tbl