Abstract: A high-strength low-ductility material is formed by a method which comprises treating a bulk or powder of the material thereby converting coarse grains thereof into hyperfine grains capable of manifesting superplasticity when the strain rate is higher than 5.times.10.sup.-3 s.sup.-1, enclosing the treated material with a metallic insulating member, heating the material to a temperature for manifestation of superplasticity, and forging the material by the use of a die in a state heated to a temperature beyond which the die yields to heat.

Abstract: A high strength low ductile alloy is formed in a desired shape with high accuracy by bundling a multiplicity of fine wires made of the high strength low ductile alloy, consolidating the bundle of fine wires into a prescribed shape thereby giving rise to a formed product wherein the interiors of the fine wires comprises aggregates of very fine grains resulting from primary recrystallization and subjecting the formed product to thermal treatment for grain growth at the temperature of secondary recrystallization whereby the very fine grains undergo grain growth.