Elastic Modulus Of Rubber Material

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Elastic modulus of rubber material.

Rubber elasticity refers to a property of crosslinked rubber. Elasticity is the mechanical property of a material to return to its original shape where tensile set is the amount on extension remaining after being stretched. Elongation is proportional to applied strength. Gruand méca sarl cy for his redaction.

Tensile modulus or young s modulus alt. Thomas young his british fellow countryman will leave his name associated to this linear behavior of many materials. There are different types depending on functional groups in the structure and curing mechanisms. Young s modulus or the young modulus is a mechanical property that measures the stiffness of a solid material.

I read the article on rubber elasticity and it showed that the modulus increases with the temperature rubber shrinks as heated. Now take a piece of teflon and stretch it. Ut tensio sic vis latin sentence from robert hooke 1678 means such extension such strength proportionality rule. Young s modulus is named after the 19th century british scientist thomas young.

Young s modulus is also known as tensile modulus elastic modulus or modulus of elasticity. But i want to know why intuitively elastic modulus should decrease with temperature. This compound has a relatively high acrylo content. It defines the relationship between stress force per unit area and strain proportional deformation in a material in the linear elasticity regime of a uniaxial deformation.

A stiffer material will have a higher elastic modulus. Young modulus for rubber. It is used to describe the elastic properties of objects like wires rods or columns when they are stretched or compressed. Silicones are polymers with a si o si backbone.

Nitrile is the most commonly used rubber material. λ def stress strain. This is due to nitrile s compatibility with most environments as well as it s relative cost compared to other rubber materials. The elastic modulus of an object is defined as the slope of its stress strain curve in the elastic deformation region.

Modulus of elasticity is a measure of stiffness of an elastic material. An elastic modulus has the form. Main applications are flexible seals o rings etc. After stretched it relaxes close to if not exactly to its original length.

This can be repeated many times with no apparent degradation to the rubber. Young s modulus e is defined as the ratio of the stress applied to the material along the longitudinal axis of the specimen tested and the deformation or strain measured on that same axis. A rubber band would have a low tensile set percentage. Displaystyle lambda stackrel text def frac text stress text strain.

Why does the elastic modulus of rubber increase with temperature. Tensile modulus is defined as the.