1. Material Properties 4/27/2019 4/27/2019 1
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2. E – elastic modulus
σy – yield strength
K1c – fracture toughness
Ρ - density

3. Tmax – limiting temperature for engineering applications
Cp – heat capacity
λ – conductivity
Diffusivity  λ/Cp

4. εD – dielectric constant
‘Hard’ magnet – permanently magnetized
‘Soft’ magnet – can be magnetized and demagnetized

5. Intrinsic resistance of a material in a given environment
Rated on a scale of (very bad) – 5 (very good)

6. Properties that determine the suitability of a material based on design requirements
For the plane, strength, stiffness, and toughness are design limiting – if any of the three are too low, the plane will not fly