Definition
The tendency of a metal part to partially return toward its original shape after being bent or formed, due to the elastic portion of the deformation recovering once the forming force is removed.
Plain English
When you bend a piece of metal, it tries to spring back a little after you let go. To get the final shape you want, you have to bend it slightly past the target so it settles where you need it.
Context Anchor
Seen in aircraft maintenance when forming metal parts, brackets, shields, or panels to a required shape.
Derivation
A plain compound of 'spring' (to move back suddenly when released) and 'back' (return to a prior position). The word describes exactly what the metal does — it springs back toward where it started.
Why Pilots Care
Accurate compensation for springback ensures precise bends in fuel, oil, and hydraulic lines, preventing leaks or flow restrictions that could affect engine operation.
Analogy
It is like bending a thin plastic ruler and letting go. It does not always stay exactly where you pushed it; it moves back partway.
Intuition Check
Springback is not a separate spring installed in the airplane. It is the material itself moving back slightly after being bent.
Example Sentence 1
The technician bent the aluminum tubing a few degrees beyond 90° to allow for springback.
Example Sentence 2
Failing to account for springback in sheet metal repairs can result in misaligned panels and structural weaknesses.