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NIkhil Sharma
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I want to know the what is the effect of temperature on modulus of rubber, mathematical expression will be helpful
NIkhil Sharma said:I want to know the what is the effect of temperature on modulus of rubber, mathematical expression will be helpful
The modulus of rubber is a measure of its stiffness or elasticity, and is defined as the ratio of stress to strain within the elastic range. It is a fundamental property of rubber that determines its ability to withstand deformation under applied load.
The modulus of rubber decreases with increasing temperature. This is because as the temperature increases, the molecular motion within the rubber increases, causing the chains to become more flexible and reduce their stiffness. As a result, the rubber becomes easier to stretch and less resistant to deformation.
The relationship between modulus of rubber and temperature is generally nonlinear. This means that as the temperature changes, the modulus of rubber does not change at a constant rate. Instead, the relationship can vary depending on the type of rubber and its composition.
The variation of modulus of rubber with temperature can be measured using a tensile testing machine. This involves subjecting a rubber sample to different temperatures and measuring the resulting change in its modulus. Other techniques such as dynamic mechanical analysis (DMA) can also be used to measure the modulus of rubber at varying temperatures.
The variation of modulus of rubber with temperature can be affected by a number of factors, including the type of rubber, its composition, and the rate of temperature change. Other factors such as the presence of fillers or additives, as well as the testing conditions, can also influence the variation of modulus of rubber with temperature.