Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task B. Non-Metallic Structures

AM.II.B.K20

Knowledge

Composite structure fiber, core, and matrix materials.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - Airframe p. 7-1
Chapter 7: Advanced Composite Materials › Description of Composite Structures › Laminated Structures
Chapter 7: Advanced Composite Materials Description of Composite Structures Introduction Composite materials are becoming more important in the construction of aerospace structures. Aircraft parts made from composite materials, such as fairings, spoilers, and flight controls, were developed during the 1960s ... their weight savings over aluminum parts. New generation large aircraft are designed with all composite fuselage and wing structures, and the repair of these advanced composite materials requires an in-depth knowledge of composite structures, materials, and tooling. The primary…
Aviation Maintenance Technician Handbook - Airframe p. 7-39
Chapter 7: Advanced Composite Materials › Solid Laminates › Composite Patch Bonded to Aluminum Structure
Resin Injection Repairs Resin injection repairs are used on lightly loaded structures for small damages to a solid laminate due to delamination. Two holes are drilled on the outside of the delamination area and a low-viscosity resin is injected ... hole until it flows out the other hole. Resin injection repairs are sometimes used on sandwich honeycomb structure to repair a facesheet disbond. Disadvantages of the resin injection method are that the fibers are cut as a result of drilling…
Aviation Maintenance Technician Handbook - Airframe p. 7-1
Chapter 7: Advanced Composite Materials › Laminated Structures › Major Components of a Laminate
Applications of composites on aircraft include: • Fairings • Flight control surfaces • Landing gear doors • Leading and trailing edge panels on the wing and stabilizer • Interior components • Floor beams and floor boards • Vertical and horizontal stabilizer primary structure on large aircraft • Primary ... wing and fuselage structure on new generation large aircraft • Turbine engine fan blades • Propellers Major Components of a Laminate An isotropic material has uniform properties in all directions. The measured properties of an isotropic material are independent of the axis…