期刊
APPLIED PHYSICS LETTERS
卷 76, 期 12, 页码 1555-1557出版社
AMER INST PHYSICS
DOI: 10.1063/1.126094
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The approach to the ultimate strength of metals is determined experimentally. The ultimate strength of metals was calculated using a realistic wide-range equation of state. The strength of metals was measured using shock waves created in aluminum and copper foils with a short- (20-100 ps) pulse high-power laser. The strength of the materials was determined from the free-surface-velocity time history, which was measured with an optically recording velocity interferometer system. The strain rates in these experiments were in the range (1.5-5)x10(8) s(-1). (C) 2000 American Institute of Physics. [S0003-6951(00)03112-0].
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