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OALib Journal期刊
ISSN: 2333-9721
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Effects of Shock Pressure on Transition Pressure in Zr

Keywords: 62,50,+p,64,70,Nd
,冲撞力,转换压力,力学

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Abstract:

Measurements of free surface velocity profiles of high-purity Zr samples under shock-wave loading are performed to study the dynamic strength and phase transition parameters. The peak pressure of the compression waves is within the range from 9 to 14 GPa, and the Hugoniot elastic limit is 0.5 GPa. An anomalous structure of shock waves is observed due to the α - ω phase transition in Zr. Shock pressure has effects on transition pressure which increases with increasing compression strength, and the stronger shocks have a lower transit time.

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