Elastic Modulus Of Rubber Material

Thomas young his british fellow countryman will leave his name associated to this linear behavior of many materials.

Elastic modulus of rubber material. A rubber band would have a low tensile set percentage. An elastic modulus has the form. After stretched it relaxes close to if not exactly to its original length. Tensile modulus or young s modulus alt.

It is used to describe the elastic properties of objects like wires rods or columns when they are stretched or compressed. Mykin s rn00170 nitrile buna n 70 durometer is a general purpose copolymer of butadiene and acrylonitrile. 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. Key properties include thermal stability chemical stability electrical insulation and low toxicity.

Young modulus for rubber. Silicones are polymers with a si o si backbone. Ut tensio sic vis latin sentence from robert hooke 1678 means such extension such strength proportionality rule. But the concept was.

Young s modulus is also known as tensile modulus elastic modulus or modulus of elasticity. Young s modulus or the young modulus is a mechanical property that measures the stiffness of a solid material. Why does the elastic modulus of rubber increase with temperature. This is due to nitrile s compatibility with most environments as well as it s relative cost compared to other rubber materials.

But i want to know why intuitively elastic modulus should decrease with temperature. Main applications are flexible seals o rings etc. This can be repeated many times with no apparent degradation to the rubber. A stiffer material will have a higher elastic modulus.

λ def stress strain. Elongation is proportional to applied strength. Gruand méca sarl cy for his redaction. Young s modulus is named after the 19th century british scientist thomas young.

Modulus of elasticity is a measure of stiffness of an elastic material. There are different types depending on functional groups in the structure and curing mechanisms. I read the article on rubber elasticity and it showed that the modulus increases with the temperature rubber shrinks as heated. Rubber elasticity refers to a property of crosslinked rubber.

Displaystyle lambda stackrel text def frac text stress text strain. This compound has a relatively high acrylo content. Tensile modulus is defined as the. The elastic modulus of an object is defined as the slope of its stress strain curve in the elastic deformation region.

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. Now take a piece of teflon and stretch it.