Loads on aircraft — main types?
Ground and air loads.
Elasticity — definition?
Material returns to original shape after load removal.
Material failure modes — key?
Fracture, fatigue, corrosion.
Ductility — role?
Allows plastic deformation before fracture, warning of failure.
Elasticity — definition?
Material's ability to return to original shape after deformation.
Strength — maximum?
Maximum stress a material can withstand without failure.
Toughness — capacity?
Absorbing energy without fracturing; balance of strength and ductility.
Brittleness — characteristic?
Fractures with little plastic deformation, sudden failure.
Fatigue — damage?
Weakening due to cyclic loading, leading to failure.
Material selection factors?
Strength-to-weight, stiffness, toughness, corrosion resistance, fatigue life, cost.
Test your knowledge with 9 questions on Aerospace Structural Materials and Design.
1. What does the property of elasticity in materials mean?
2. What is the primary characteristic of a material exhibiting elasticity?
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