Abstract
In this research, an experimental study on impact by an ice particle was performed. Aluminum alloys were impacted by spherical ice particles with a diameter of 2mm launched using a two-stage light gas gun. Maximum impact pressure was measured using photon Doppler velocimetry in a velocity range up to approximately 800m/s. The maximum impact pressure was found to be approximately 4.57 times the theoretical pressure estimated using planar impact approximation. Erosion tests were also performed on aluminum alloys in a velocity range up to approximately Mach 3.5. Craters that formed on the surface of the specimens were measured and fitted using an existing power law based on impact velocity.
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