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Microcraters formed in glass by low density projectiles
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Mandeville, J.-C. Vedder, J. F. |
| Copyright Year | 1971 |
| Description | Microcraters were produced in soda-lime glass by the impact of low density projectiles of polystyrene with masses between 0.7 and 62 picograms and velocities between 2 and 14 kilometers per second. The morphology of the craters depends on the velocity and angle of incidence of the projectiles. The transitions in morphology of the craters formed by polystyrene spheres occur at higher velocities than they do for more dense projectiles. For oblique impact, the craters are elongated and shallow with the spallation threshold occuring at higher velocity. For normal incidence, the total displaced mass of the target material per unit of projectile kinetic energy increases slowly with the energy. |
| File Size | 1111819 |
| Page Count | 30 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19720013162 |
| Archival Resource Key | ark:/13960/t5x68801f |
| Language | English |
| Publisher Date | 1971-10-01 |
| Access Restriction | Open |
| Subject Keyword | Space Sciences Meteorite Craters Morphology Glass Particle Mass Projectile Cratering Space Environment Simulation Polystyrene Velocity Microparticles Hypervelocity Impact Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
