Dynamic response of Sn over the temperature range 115–503 K

Issue		DYMAT 2009 Volume 1, 2009 DYMAT 2009 - 9th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading


Page(s)		27 - 33
Section		Experimental Techniques
DOI		http://dx.doi.org/10.1051/dymat/2009004
Published online		15 September 2009

DYMAT 2009 (2009) 27-33
DOI: 10.1051/dymat/2009004

Dynamic response of Sn over the temperature range 115–503 K

E.B. Zaretsky¹ and G.I. Kanel²

¹ Dept. of Mechanical Engineering, Ben Gurion University, 84105 Beer Sheva, Israel
² Joint Institute for High Temperatures RAS, Izhorskaya 13, bld.2, 125412 Moscow, Russia

Published online: 15 September 2009

Abstract
Planar impact experiments were performed with high purity (99.9985 %) and commercial purity (99.8 %) tin over the temperature range 115 to 503 K. The free surface velocity histories of 2-mm tin samples impacted by 0.5-mm copper flyer plates having velocity of about 350 m/s were recorded with the VISAR. The impact response of the coarse-grain samples of both the tins is associated with relatively large scattering of the Hugoniot elastic limit, the plastic wave rise time, and the spall strength. The dynamic tensile (spall) strength of both the alloys show weak growth with temperature with exception of the close, 15–20 K vicinity of the tin melting point where the spall strength of both the alloys experiences an abrupt two-fold drop. The dynamic shear stresses show obvious trend to grow or at least do not decrease with the increasing temperature. The free surface velocity histories and the spall data obtained below 286 K do not show any peculiarities which could be associated with the β–α transition in tin.

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