Patent 10030522 was granted and assigned to Rolls-Royce on July, 2018 by the United States Patent and Trademark Office.
A turbomachine blade comprising a blade tip and a metallic leading edge having a plurality of shear zones angled to the blade tip, wherein the shear strength of the shear zones is less than the shear strength of the remainder of the leading edge, such that in the event of an impact shear is initially initiated at the shear zones.