Abstracts for fall meeting of the Japanese Society for Planetary Science
Abstracts 2004 Fall Meeting of the Japanese Society for Planetary Sciences
Session ID : 202
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Oral session 2: Oct. 14, 10:45-12:16
Characteristics of Spall Fragments Produced by Impact Cratering on Gypsum Targets
*Naomi OnoseAkira Fujiwara
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Abstract
Impact cratering experiments at 4.2 km/sec, with nylon spheres of 7 mm in diameter on gypsum targets were performed. Fragments' velocities were measured using a target box with a slit and two high-speed cameras. All fragments created by impacts were divided into spalled fragments and shear-fractured fragments, based on their shapes, initial positions, and ejection time.
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© 2004 The Japanese Society for Planetary Science
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