A blade outer airseal having a body comprising an inner diameter (ID) surface; an outer diameter (OD) surface; a leading end; a trailing end;a metallic substrate; and a coating system atop the substrate along at least a portion of the inner diameter. At least over a first area of the inner diameter surface, the coating system comprises an abradable layer comprising a metallic matrix and a solid lubricant; and the metallic matrix comprises, by weight, ≤ 45% nickel; 2.0-10.0% aluminum; 3.0-15.0% chromium; and the balance copper and unavoidable impurities.
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