BISMUTH-BASE ALLOY Russian patent published in 1995 - IPC

FIELD: producing of dies and die equipment. SUBSTANCE: bismuth-base alloy has the following qualitative and quantitative composition, mas. tin 41.0-46.0; nickel 0.1-0.8; copper 0.05-0.15; antimony 0.5-1.5; lead 0.5-1.5; cerium 0.005-0.5; the balance, bismuth. Bismuth-base alloy properties: tensile strength 8,1-8,9 kgf/cm²; compression strength 10,0-10,6 kgf/cm²; impact strength 0,43-1,24 g/cm²; expansion after cooling in 6 h at temperature of 25 C 0.013-0.18 mm; mold- filling ability at t = 160± 5^°C 82.0-96.0% EFFECT: higher service properties. 2 tbl