The force required to obtain a certain elongation. Measured in pounds per square inch of cross section of the sample. Low to moderate modulus materials make the best caulks and sealants. (See " Shore Hardness")
The physical measurements of stiffness in a material, which equals the ratio of applied load (stress) to the resultant deformation of a material, such as elasticity or shear. A high modulus indicates a stiff material.
A property of elastomers (analogous to the same property of metals) which is the ratio of stress to strain in the elastomer at some loading condition. Unlike the modulus of metals, the modulus of elastomers is non-linear over a range of loading and ambient conditions. This fact makes the understanding of elastomers and their properties important in the understanding of the performance of elastomeric vibration and shock isolators.
the ability of a sample of a material to resist deformation. Modulus is usually expressed as the ratio of stress exerted on the sample to the amount of deformation. For example, tensile modulus is the ration of stress applied to the elongation which results from the stress. (see: elongation, stress)
Force per unit cross sectional area required to distort rubber to a given extent. In extension it is an extensional or tensile modulus, and in compression a compression modulus. Conventionally, the moduli are calculated using the initial cross sectional area, i.e. the area before distortion.
The ratio of change in stress to change in strain following the removal of crimp from the material being tested; i.e., the ratio of the stress expressed in either force per unit linear density or force per unit area of the original specimen, and the strain expressed as either a fraction of the original length or percentage elongation.
The measure of stretch or elasticity of a fabric. The number associated with modulus is the amount of load in grams it takes to initiate stretch in a 1000 denier yarn, a higher number reflects lower stretch.
in engineering, modulus is the ratio of stress to strain but in rubber technology modulus is the force per unit area required to achieve a particular elongation, such as the M-100 (100% modulus), M-200, etc; these tensile moduli are indicators of the rubber's resistance to deformation, but are used most often as QC measurements
Used to refer to a measure of some physical or mechanical property of a material. The modulus is generally constant for any material, and can be used to calculate a material's response to external conditions, such as applied forces. One common example is Young's Modulus, which expresses the elastic response of a meterial.
Or with regard to the fibers used to make fishing rods, "Modulus of Elasticity," refers to the relationship between stress and strain. In more simple terms relative to rod building, it usually defines the stiffness to weight ratio of the fibers used to construct the rod blank. Generally speaking, the higher the modulus of the fiber used to make the blank, the lighter the resulting blank can be for any given stiffness.
the load in pounds per square inch (or kilos per square centimeter) of initial cross-sectional area necessary to produce a stated percentage-elongation which is used in the physical description of plastics (stiffness).
A measure of a material's ability to resist stretch. Initial modulus is usually expressed as grams of load per unit stretch for a certain fiber denier. The higher the initial modulus, the less the fiber will stretch.
A unit of measure. For example, when measuring days, a modulus could be 24 for the number of hours in a day. 75 hours would be divided by 24 to give 3 remainder 3, or 3 days and 3 hours. See also modular arithmetic.
A real, positive quantity that measures the magnitude of some number. For instance, the modulus of a complex number is the square root of the sum of the squares of its components. Often it means, simply, the numerical ("absolute") value of an algebraic quantity .
Refers to the number of states that a function such as a counter will pass through before returning to its original value. For example, a function that counts from 00002 to 11112 has a modulus of 16 and would be called a modulo-16 or mod-16 counter.