Mechanical Interlock Feature for Multi-Material Airfoils

摘要

An airfoil of a first parent material and a second wrap material wherein the parent and wrap materials are of at least partially different materials and wherein an interlock region is formed between the parent and wrap materials having an interlock feature.

主权项

1. A mechanical interlock for a multi-material airfoil, comprising:
a first airfoil portion connectable to a rotor disk, said first airfoil portion being formed of a first material; said first airfoil portion having an interlock feature extending therefrom; a second airfoil portion connected to said interlock feature of said first airfoil portion, said second airfoil portion extending from said first airfoil portion in a radial direction; said second airfoil portion formed of at least a partially dissimilar material.