Shock compressibility of high-porosity copper and tin powders

Гилев, С. Д.

doi:10.1134/s1063784214100144

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“…In the calculation, we used the dependence of the shock wave velocity on the mass velocity in the form D = -0.04 + 1.27u for the Cu 1 and Cu 2 copper powder and in the form D = 0.04 + 0.78u + 0.3u 2 for the Sn 2 tin powder (here, velocities D and u are expressed in km/s). These dependences were derived upon processing the experimental values of the wave and mass velocities [6]. The Hugoniot adiabat of the Sn 1 powder, D = 0.65 + 1.9u -0.071u 2 , was obtained using the Oh-Persson equation of state [10].…”

Section: Experimental Techniquementioning

confidence: 99%

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Electrical conductivity of copper and tin in the region of a low density and a high specific energy

Гилев

2015

Tech. Phys.

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The electrical conductivities of high porosity copper and tin samples are measured during shock compression at a low density and a high specific energy of a substance. The dependences of electrical con ductivity on the shock pressure are constructed for a copper powder with a density of 0.76 g/cm 3 (porosity coefficient of 11.8) and for tin powders with a density of 1.9 and 4.8 g/cm 3 (porosity coefficients of 3.9 and 1.5). These dependences are nonmonotonic. At a high pressure, the electrical conductivities of the copper and tin powders weakly depend on the shock pressure. At a pressure p > 2 GPa, the electrical conductivity of the cop per powder agrees satisfactorily with the Bakulin model.

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Section: Experimental Techniquementioning

confidence: 99%

“…These powders were investigated earlier by a magnetoelectric method [6], which allowed us to find the kinematic characteristics of a shock wave and the compressibility of these powders.…”

Section: Introductionmentioning

confidence: 99%

Electrical conductivity of copper and tin in the region of a low density and a high specific energy

Гилев

2015

Tech. Phys.

Self Cite

View full text Add to dashboard Cite

show abstract

Shock compressibility of high-porosity copper and tin powders

Cited by 1 publication

References 1 publication

Electrical conductivity of copper and tin in the region of a low density and a high specific energy

Electrical conductivity of copper and tin in the region of a low density and a high specific energy

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