摘要 |
A rotor blade (2) for a gas turbine engine, comprising a blade tip 4. At least a portion of the blade tip (4) is provided with a wear-resistant coating (16), (18) comprising magnesium aluminate spinel. A corresponding method to coat a rotor blade tip (4) of a gas turbine engine with magnesium aluminate spinel. The use of magnesium aluminate spinel as a wear resistant coating. |