Abstract
We conducted impact experiments of simulated rimmed chondrules at the impact velocity from 10 cm/s to 80 m/s to obtain the sticking velocity and the restitution coefficients. The porosity of the rim was changed from 70% to 90% with the thickness of 5 mm while the rim was composed of sub‐micron silica particles, and a glass ball with the size of 10 mm was used as a chondrule analogue. As a result, we found that the upper limit of the sticking velocity, vc, varied with the porosity.
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