The mechanical behavior of metals subjected to unaxial tensile impact at room temperature is reported. Tests were conducted on 1100 aluminum subjected to light and to heavy cold working; 2024 aluminum after annealing and after light and heavy cold working; C1010 steel in these same three conditions; and OFHC copper and 70–30 brass in an annealed state. In four of the 10 series, the materials were found to possess dynamic stress-strain curves which fell below the static curves. The yield point of the steel was lowered by impact loading. Ratios of dynamic to static ultimate stress were found to range from 0.59–1.3.

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