crack tip stress

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• stress intensity factor — a scale factor to define the magnitude of the crack tip stress field; the functionality depends on the configuration of the cracked component and the manner in which the loads are applied …   Mechanics glossary

• Stress intensity factor — Stress Intensity Factor, K, is used in fracture mechanics to more accurately predict the stress state ( stress intensity ) near the tip of a crack caused by a remote load or residual stresses.It is a theoretical construct applicable to a… …   Wikipedia

• Stress corrosion cracking — (SCC) is the unexpected sudden failure of normally ductile metals or tough thermoplastics subjected to a tensile stress in a corrosive environment, especially at elevated temperature (in the case of metals). SCC is highly chemically specific in… …   Wikipedia

• Stress concentration — A stress concentration (often called stress raisers or stress risers) is a location in an object where stress is concentrated. An object is strongest when force is evenly distributed over its area, so a reduction in area, e.g. caused by a crack,… …   Wikipedia

• Fracture toughening mechanisms — In materials science, fracture toughening mechanisms are processes that increase energy absorption during fracture, resulting in higher fracture toughness.Intrinsic toughening mechanismsIntrinsic toughening mechanisms involve a fundamental change …   Wikipedia

• Fracture mechanics — Continuum mechanics …   Wikipedia

• solids, mechanics of — ▪ physics Introduction       science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures.       What, then, is a solid? Any material, fluid or solid, can support normal forces.… …   Universalium

• Failure theory (material) — v · d · e Materials failure modes Buckling · Corro …   Wikipedia

• Fracture toughness — In materials science, fracture toughness is a property which describes the ability of a material containing a crack to resist fracture, and is one of the most important properties of any material for virtually all design applications. It is… …   Wikipedia

• Ceramic matrix composite — Fracture surface of a fiber reinforced ceramic composed of SiC fibers and SiC matrix. The fiber pull out mechanism shown is the key to CMC properties …   Wikipedia

• J integral — The J integral represents a way to calculate the strain energy release rate, or work (energy) per unit fracture surface area, in a material.Van Vliet, Krystyn J. (2006); 3.032 Mechanical Behavior of Materials ,… …   Wikipedia