strength

strength

1. The quality of being strong or powerful. 2. The degree of intensity. 3. The property of materials by which they endure the application of force without yielding or breaking.
associative s.in psychology, the s. of a stimulus response linkage as measured by the frequency with which a stimulus elicits a particular response. See conditioning.
biting s.force of mastication
compressive s.tensile s., except that the stress is in compression.
fatigue s.the stress level below which a particular component will survive an indefinite number of load cycles (typically about 50% of the ultimate s. of the component).
ionic s. (I) symbolized as GAMMA/2 or I and set equal to 0.5SIGMAmizi2, where mi equals the molar concentration and zi the charge of each ion present in solution; if molar concentrations (ci) are used instead of molality (and the solution is dilute), then I = 0.5(1/rhoo)SIGMAcizi2 where rhoo is the density of the solvent; a number of biochemically important events (e.g., protein solubility and rates of enzyme action) vary with the ionic s. of a solution.
tensile s.the maximum tensile stress or load that a material is capable of sustaining; usually expressed in pounds per square inch.
ultimate s.the maximum stress achieved prior to failure of a component on a single application of the load.
yield s.the amount of stress at which a permanent (plastic) deformation in a component becomes measurable (usually taken as 0.2% permanent strain).

 

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