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- 2Brittle fracture
- 2Brittle materials
- 2Dynamic fragmentation
- 2Ejecta measurements
- 2Particle tracking velocimetry
- 2Planetary materials
Impact Failure of Planetary Materials: Lateral Field Ejecta Measurements using Particle Image VelocimetryDownload
The dynamic fragmentation of a fine grained granitoid material has been examined. Target thicknesses ranged from 7 to 40 mm and impact energies from 12 to 2,500 J. Combined particle image velocimetry and image enhancement techniques are introduced and have been used to measure the size and...
Debris Field Kinetics during the Dynamic Fragmentation of Polyphase Natural Ceramic Blocks: Ejecta Measurements and Damage ModesDownload
The dynamic fragmentation of coarse and fine grained granitoid blocks during impact has been examined for energies of 1.9 kJ to 3.0 kJ and 2.7 kJ to 6.8 kJ, respectively. A particle tracking algorithm was developed to measure ejecta size and velocity at the rear of the target for a horizontal...