Blisk

This article is about blisks in aviation mechanics. For blisks in the Destroy All Humans! series, see Destroy All Humans! 2.

A blisk (portmanteau of bladed disk), also known as an integrally bladed rotor (IBR), is a turbomachinery component consisting of a rotor disk and blades made as a single part instead of a disk assembled with individual removable blades. Blisks generally have superior aerodynamics than conventional rotors with single blades and are lighter. They may be made by additive manufacturing, casting, machining from a solid piece of material, or welding blades to a rotor disk. The term blisk is used mainly in aerospace engine design.

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