Condensed Matter & Materials Physics
2 terms
Fatigue
Condensed Matter & Materials Physics
Cycles to Failure N_f
The progressive structural weakening and microcrack failure of a material subjected to repeated cyclic loading stresses below its ultimate tensile strength.
Basquin's Relation: S_a = σ'_f (2 N_f)^b
Fermi Level
Condensed Matter & Materials Physics
eV (Chemical Potential)
The thermodynamic Fermi-Dirac chemical potential representing the energy level at which the probability of electron occupancy is exactly 50% at finite temperature.
f(E) = 1 / (e^((E - E_F) / (k_B T)) + 1)