Intro to Layered Composites

Why Composite Materials — Lesson 1

Types of Composite Materials — Lesson 2

Why Layered Composites — Lesson 3

Applications of Layered Composites — Lesson 4

Manufacturing Methods of Layered Composites — Lesson 5

Ansys Composite Solutions Simulation Tools — Lesson 6

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Course Assessment - Layered Composites Introduction

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Course Assessment - Layered Composites Introduction

Intro to Layered Composites Practice Quiz Course Assessment - Layered Composites Introduction

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Question 1 of 10

1. Question
Which type of failure is observed in composites but not in metals? Select the best option.
- Delamination
- Fracture
- Corrosion
- Fatigue
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Question 2 of 10

2. Question
What is the purpose of reinforcement in a composite material? Select the best option.
- To decrease the stiffness and tensile strength
- To make the composite material more isotropic
- To increase the stiffness and tensile strength
- To decrease the anisotropy of the composite material
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Question 3 of 10

3. Question
In layered composites, what can be modified to meet the required stiffness and strength properties? Select the best option.
- Only the thickness of the layer can be modified.
- Only the orientation of the fibers can be modified.
- Only the number of layers can be modified.
- Orientation of fibers, number of layers as well as layer thickness can be typically modified.
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Question 4 of 10

4. Question
Identify two components in aircraft structures where layered composites are widely used.
- Landing gear
- fuselage
- cabin windows
- wings
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Question 5 of 10

5. Question
Which manufacturing process involves injecting liquid resin into a closed mold? Select the best option.
- Wet layup process
- Pre-preg layup process
- Resin transfer molding (RTM)
- Filament winding process
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Question 6 of 10

6. Question
Which of the following benefits are possible with composite materials? Select the best option.
- Elimination of corrosion
- Tailor for thermal stability
- High fatigue resistance
- All of the above
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Question 7 of 10

7. Question
What is the main difference between short and long fiber reinforced composites? Select the best option.
- Short fiber reinforced composites have fiber lengths of 2 mm or less, while long fiber reinforced composites have fiber lengths of 2 mm to 30 mm
- Short fiber reinforced composites have fiber lengths of 2 mm to 30 mm, while long fiber reinforced composites have fiber lengths of 30 mm or more
- Short fiber reinforced composites have randomly oriented fibers, while long fiber reinforced composites have continuously oriented fibers
- Short fiber reinforced composites have a lower volume fraction of fiber than long fiber reinforced composites
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Question 8 of 10

8. Question
Which types of composites are commonly used in engineered structures? Select the best option.
- Particle reinforced composites
- Large particle composites
- Dispersion strengthened composites
- Layered composites
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Question 9 of 10

9. Question
Identify two applications from the sports industry where layered composites are being used.
- tennis rackets
- weight lifting plates
- shot put ball
- kayaking paddles
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Question 10 of 10

10. Question
Which composite manufacturing process is commonly used to produce cylindrical structures such as pipes and pressure vessels? Select the best option.
- Wet layup process
- Filament winding process
- Resin transfer molding (RTM)
- Thermoforming
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