Advanced Composites Chapter 1, 2, 3
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| show | A material formed by 2 or more materials that are combined
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| show | Plywood, carbon fiber, plastic
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| show | High strength and light weight
Fiber reinforced plastic
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| Why is it important to repair versus scrap composite parts? | show 🗑
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| show | Fiber type, weave and positioning
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| What are the advantages of using composites? | show 🗑
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| The strength of the composites depends on three factors; they are? | show 🗑
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| What are th777 vertical fin and engine cowls made of? | show 🗑
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| show | Secondary structural components
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| What are Nomex panels and where are they used on the 767 aircraft? | show 🗑
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| How are the propellers of the Saab SF340 constructed? | show 🗑
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| How much of the Sikorsky S-76 is composite, and what type of material is the primary weight saver? | show 🗑
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| What are 3 common types of reinforcing fibers and the two uncommon fibers | show 🗑
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| show | Small strands of molten silica glass
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| show | E-glass, S-glass, C-glass, and Trevor schoonover
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| show | Bonding substance used to fuse, strengthen, shape, and set composite material
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| show | Aromatic poly fibers, very light weight & stretchy but strong fibers
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| What is the aramid used on A/C? What is its practical application? | show 🗑
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| What are disadvantages of aramid? | show 🗑
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| Difference between carbon fiber and graphite fiber as called out in an A/C SRM | show 🗑
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| What are the characteristics of carbon that are useful for aircraft? | show 🗑
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| show | Carbon is stronger in compressive strength than kevlar
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| show | Corrosive when bonded to aluminum, it is also expensive. Can't be repaired
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| How is Boron fiber made? Describe its characteristics | show 🗑
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| show | High temp applications
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| show | It decreases it
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| show | Specific placement of fibers to produce the highest strength
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| show | Parallel
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| show | Directions of fibers as it rolls off of the roll. Up and down.
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| What is the fill. | show 🗑
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| What is the selvage edge and how is it used inn repairs? | show 🗑
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| show | Can be stretched along bias, for farming.
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| With regard to aramid, what does 1575de mean? | show 🗑
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| show | 4,500 filaments used to make one tow.
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| show | All fibers run in 2 or more directions.
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| show | Fibers run in 2 or more directions.
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| What is mat fabric? | show 🗑
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| What is the difference between plain and satin weaves? | show 🗑
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| show | Yarn construction count.
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| show | g/sq meter
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| What are hybrids and why are they used? | show 🗑
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| What are the different types of hybrids? | show 🗑
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| show | Bonding substance used to fuse, strengthen, shape, and set composite material
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| How is epoxy resin different from polyester resin? | show 🗑
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| What is the limitation with using thermoplastics for structural components? | show 🗑
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| show | Thermoplastics can be heated and reshaped
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| show | Flexible application, good adhesive characteristics, very resistant against deterioration, easy to cure at room temp and highly economical
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| show | Aircraft grade is stronger, more flexible, more reliable
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| What is the most important rule a technician can follow with epoxy resins? | show 🗑
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| show | Reduced tensile strength for more flexibility
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| show | 2 dimensional molecule to form 3 dimensional grid
3d linking between molecules
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| Where are polybutadiene resins commonly found? | show 🗑
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| show | Higher heat, the cross links more
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| show | Time between resin mix and when its no longer useful
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| Define shelf life | show 🗑
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| What is the problem of adding too much matrix to a composite component? | show 🗑
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| What is the problem of starving a component of matrix to a composite component? | show 🗑
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| show | 60:40
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| How are pre-preg materials made? | show 🗑
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| What is the significance of the diamond shape on the plastic backing of pre-preg material? | show 🗑
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| What are the advantages of pre-pregs. | show 🗑
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| show | Kept cold and has expiration date
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| Define adhesives. | show 🗑
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| show | Bond pre-preg patch repair.
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| What are foaming adhesives and their application? | show 🗑
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| show | Microballoons, chopped fibers, flax.
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| show | Fiber: cut from any fiber, Flax: fuzzy fibers woven from trouds.
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| Describe "metal matrix" and give an example. | show 🗑
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