CPC F01D 11/122 (2013.01) [F01D 25/24 (2013.01); F05D 2300/506 (2013.01); F05D 2300/522 (2013.01); F05D 2300/601 (2013.01); F05D 2300/61 (2013.01); F05D 2300/615 (2013.01)] | 20 Claims |
1. An abradable material for a rub strip of a gas turbine engine component, comprising:
a polymer matrix, and
an organic or inorganic filler distributed through the matrix, wherein the abradable material has a compression spring rate profile comprising:
less than 50,000 lb/in at −65° F.,
less than 35,000 lb/in at room temperature, and
less than 35,000 lb/in at 200° F.
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