Material stress

См. также в других словарях:

• Stress (physics) — Stress is a measure of the average amount of force exerted per unit area. It is a measure of the intensity of the total internal forces acting within a body across imaginary internal surfaces, as a reaction to external applied forces and body… …   Wikipedia

• 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 relaxation — describes how polymers relieve stress under constant strain. Because they are viscoelastic, polymers behave in a nonlinear, non Hookean fashion.Meyers and Chawla. Mechanical Behavior of Materials (1999) ISBN 0 13 262817 1] This nonlinearity is… …   Wikipedia

• Stress analysis — is an engineering discipline that determines the stress in materials and structures subjected to static or dynamic forces or loads (see statics and dynamics) (alternately, in linear elastic systems, strain can be used in place of stress). The aim …   Wikipedia

• Stress (biological) — Stress is a biological term which refers to the consequences of the failure of a human or animal body to respond appropriately to emotional or physical threats to the organism, whether actual or imagined. [ The Stress of Life , Hans Selye, 1956.] …   Wikipedia

• Stress — (engl. für „Druck, Anspannung“; lat. stringere: „anspannen“) bezeichnet zum einen durch spezifische äußere Reize (Stressoren) hervorgerufene psychische und physische Reaktionen bei Lebewesen, die zur Bewältigung besonderer Anforderungen befähigen …   Deutsch Wikipedia

• Stress — may refer to: Mechanical * Stress (physics), the average amount of force exerted per unit area. * Yield stress, the stress at which a material begins to deform plastically. * Compressive stress, the stress applied to materials resulting in their… …   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 — ► NOUN 1) pressure or tension exerted on a material object. 2) a state of mental, emotional, or other strain. 3) particular emphasis. 4) emphasis given to a syllable or word in speech. ► VERB 1) emphasize. 2) give emphasis to (a …   English terms dictionary

• Stress (mechanics) — Continuum mechanics …   Wikipedia

• Stress–strain curve — During testing of a material sample, the stress–strain curve is a graphical representation of the relationship between stress, derived from measuring the load applied on the sample, and strain, derived from measuring the deformation of the sample …   Wikipedia