BROEK EL ENG FRC MEC **OUT OF,

Aerospace Inst aluminium alloy amplitude analysis application ASTM STP behaviour bend specimen brittle Broek calculated chapter constant crack arrest crack extension crack length crack opening displacement crack resistance crack speed crack tip criterion CTOD curve cycle da/dN determined ductile ductile fracture effect elastic energy electron energy release rate equations failure fatigue crack growth fatigue crack propagation finite element Fract fracture mechanics fracture surface fracture toughness function high toughness hole increases initiation integration K₁ K₁c K₁e kg/mm² kinetic energy Kmax linear elastic load measurement Mech method mode notch occur particles plane strain plane stress plastic deformation plastic zone correction plate prediction pressure vessels Rept residual strength result Schijve shear shear stress sheet shown in figure steel stress corrosion stress corrosion cracking stress field stress intensity factor striations stringer structures surface flaws tensile thickness yield strength yield stress zero Δα πα