Patent ID: 7510778

Claim:
An assembly comprising: a blade of a turbomachine, a helicopter, or a propeller, said blade having a leading edge, and a protection part for protecting a leading edge of a blade, said protection part being configured to fit onto the leading edge of said blade, said protection part comprising an outer protection face made of an aluminum alloy reinforced by particles of SiC, an SiC particle content in said aluminum alloy lying in a range 15% to 40% by weight, said protection part comprising at least two layers, including an outer layer and an inner layer, the outer layer being made of said reinforced aluminum alloy and the inner layer being made of an aluminum alloy, a content of SiC particles in the outer and inner layers increasing from the inner layer to the outer layer, wherein said protection part is fitted onto the leading edge in order to protect said leading edge, wherein the blade is made of an organic-matrix composite material.