16 High-Strain Rate Compressive Behavior of a Clay Under Uniaxial Strain State.................. 117 Huiyang Luo, Zhenxing Hu, Tingge Xu, and Hongbing Lu 17 Mesoscopic Modelling of Ultra-High Performance Fiber Reinforced Concrete Under Dynamic Loading................................................................. 123 P. Forquin, J.L. Zinszner, and B. Lukic 18 Comparison of Failure Mechanisms Due to Shock Propagation in Forged, Layered, and Additive Manufactured Titanium Alloy............................................. 131 Melissa Matthes, Brendan O’Toole, Mohamed Trabia, Shawoon Roy, Richard Jennings, Eric Bodenchak, Matthew Boswell, Thomas Graves, Robert Hixson, Edward Daykin, Cameron Hawkins, Zach Fussell, Austin Daykin, and Michael Heika 19 Instrumented Penetration of Metal Alloys During High-Velocity Impacts ...................... 139 P. Jannotti, B. Schuster, R. Doney, T. Walter, and D. Andrews 20 Confined Underwater Implosions Using 3D Digital Image Correlation......................... 147 Helio Matos, Sachin Gupta, James M. LeBlanc, and Arun Shukla 21 Response of Composite Cylinders Subjected to Near Field Underwater Explosions ............... 153 E. Gauch, J. LeBlanc, C. Shillings, and A. Shukla 22 Microstructural Effects on the Spall Properties of 5083 Aluminum: Equal-Channel Angular Extrusion (ECAE) Plus Cold Rolling............................................ 159 C.L. Williams, T. Sano, T.R. Walter, and L.J. Kecskes 23 Experimental Study of the Dynamic Fragmentation in Transparent Ceramic Subjected to Projectile Impact ................................................................ 165 P. Forquin and J.L. Zinszner 24 Instrumented Projectiles for Dynamic Testing........................................... 171 Guojing Li, Dahsin Liu, and Dan Schleh 25 NIST Mini-Kolsky Bar: Historical Review.............................................. 177 R.L. Rhorer, J.H. Kim, and S.P. Mates 26 A General Approach to Evaluate the Dynamic Fracture Toughness of Materials ................. 185 Ali Fahad Fahem and Addis Kidane 27 Which One Has More Influence on Fracture Strength of Ceramics: Pressure or Strain Rate?. . . . . . . 195 M. Shafiq and G. Subhash 28 Dynamic Strength and Fragmentation Experiments on Brittle Materials Using Theta-Specimens ............................................................. 203 Jamie Kimberley and Antonio Garcia 29 DTEM In Situ Mechanical Testing: Defects Motion at High Strain Rates ....................... 209 Thomas Voisin, Michael D. Grapes, Yong Zhang, Nicholas J. Lorenzo, Jonathan P. Ligda, Brian E. Schuster, Melissa K. Santala, Tian Li, Geoffrey H. Campbell, and Timothy P. Weihs 30 High-Strain-Rate Deformation of Ti-6Al-4V Through Compression Kolsky Bar at High Temperatures .............................................................. 215 S. Gangireddy and S.P. Mates 31 Parametric Study of the Formation of Cone Cracks in Brittle Materials ....................... 221 Brady Aydelotte, Phillip Jannotti, Mark Andrews, and Brian Schuster 32 Shockless Characterization of Ceramics ................................................ 229 J.L. Zinszner, B. Erzar, and P. Forquin 33 Dynamic Hyper Elastic Behavior of Compression Shock Loaded Vibration Dampers ............. 237 V.B.S. Rajendra Prasad and G. Venkata Rao viii Contents
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