Definition
A composite manufacturing process in which layers of resin-impregnated fiber material are placed in a mold, sealed inside a vacuum bag, and then cured inside a pressurized, heated chamber called an autoclave. The combination of heat, pressure, and vacuum produces a strong, uniform part with minimal voids.
Plain English
A way of making aircraft parts from layered plastic-and-fiber material by baking them under pressure inside a sealed oven, so the layers bond tightly into one strong, smooth piece.
Context Anchor
Seen in aircraft manufacturing, composite repair procedures, and maintenance documents for parts such as panels, fairings, and control surfaces.
Derivation
From Greek 'autos' (self) and Latin 'clavis' (key) -- literally a 'self-locking' chamber that seals itself shut under pressure. The name reflects how the chamber locks tight so it can hold high pressure during the cure.
Why Pilots Care
Many modern aircraft components are built this way. Knowing the process helps pilots and technicians understand why composite parts are strong but also why damage and repairs must be handled carefully -- the original strength came from controlled heat and pressure that can't be reproduced with simple field repairs.
Analogy
It is a little like using a very controlled pressure cooker for aircraft materials: the part is held in shape while heat and pressure help it harden properly.
Intuition Check
Autoclave molding is not just placing material in a shape and letting it dry. The key point is controlled heat and pressure inside a sealed chamber.
Example Sentence 1
The wing skins on this aircraft were produced by autoclave molding to ensure consistent strength across the entire surface.
Example Sentence 2
Maintenance crews replaced the damaged panel with a new one made through autoclave molding.