Afab 120 - Study guides, Class notes & Summaries

AFAB 120 Final exam questions and answers 2024 with complete solution

Limitations of heat blankets - *Be careful not to flex a flat blanket too much, *oversized blankets may draw too much current for a machine to handle. *Use heat blankets that are the same size and use the same wattage. 3 common types of reinforcing fibers - fiber glass , aramid and carbon fiber three common types of fiber glass - e-glass, s-glass (s2-glass), c-glass carbon disadvantages - corrosive next to aluminum common fiber terms - the more fiber in given direction the stronger and s...

Most common materials in composites? - Fiberglass, Carbon/Graphite, and Kevlar (Aramid). What are composities strong enough to be used for ? - Are strong enough to use in primary structures. What is composites? - Two or more materials combined to form a structure stronger than individual component itself. What is generally composites ? - Generally, a material (solid) and a matrix (liquid). Advantages of Composites - -High to weight ratio -Reduction in parts needed -Flexibility reduce...

AFAB 120 Final | Questions and answers | Latest 2024/25

The purpose of applying mechanical pressure is to remove excess resin from the components. - True Clecos are used in conjunction with --- to apply pressure to the repair. - Caul plates What type of bagging process is used on larger surfaces. - Surface Bagging The purpose of applying mechanical pressure is to hold the repair securely and prevent any shifting of the patches during the curing process. - True --- is primarily used during the vacuum bagging process to remove excess resin into...

What is a composite? - A combination of two or more materials that forma structure that is much stonger than the individual compnents. Generally, a matrix is a ---- and the reinforcing material is a ----. - liquid, solid what is the oldest form of composite - adobe on aircraft, what is one of the first types of composites used - dope and fabric why are composites so popular? why do aircraft industry utlize them instead of metal? - because they are light weight and high- strength are comp...

kevlar - fabric that can absorb 8% of its own body weight in water. trademark of DuPont. (aramid) How is quasi-isotropic lay up stacked - 0 degrees, -45 degrees, 45 degrees, 90 degrees Thermoplastic - A plastic material used in advanced composites as a matrix material. Heat is used during forming. not permanent shape. if heated again it will soften and form another shape. (Plexiglas, syro foam ) thermoset - A plastic material used in advanced composites as a matrix material. heat is u...