abradable tip


abradable tip
The tip of some axial-flow compressor blades made in such a way that it will wear away when it contacts a compressor casing. Some fan and compressor blade tips are sealed with silicone rubber that contains a 20% filling made of fine glass beads to overcome this problem.

Aviation dictionary. 2014.

Look at other dictionaries:

  • Abradable coating — An abradable coating is a coating made of an abradable material – meaning if it rubs against a more abrasive material in motion, the former will be worn whereas the latter will face no wear.Abradable coatings are used in aircraft jet engines in… …   Wikipedia