What is youngs modulus

So a fiducial marker such as some tape can be used to help identify the original and extended lengths. Making multiple measurements with a variety of masses will increase the number of points on the stress-strain plot and make the calculation of Young's modulus more reliable. Another thing to take care of is measuring the cross-sectional area of the wire.

Imperfections of the wire may mean that the diameter is not perfectly constant along its length, so taking the mean of several readings with the micrometer could help.

Studying of the mechanical properties of materials is important because it helps us understand how materials behave, and allows us to develop new products and improve existing ones. One example research topic at Birmingham looked at developing vaulting poles used by high jump athletes to maximise performance. These poles need to be light to allow a fast run-up, but also must be able to store elastic strain energy as the pole bends.

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An Introduction to Hydrogen Embrittlement. An Intro to Pipeline Corrosion in Seawater. Follow Connect with us. Sign up. Thank you for subscribing to our newsletter! Connect with us. Young's Modulus. Metals and alloys tend to exhibit high values. The highest Young's modulus of all is for carbyne, an allotrope of carbon. A modulus is literally a "measure.

Poisson's ratio may be used to compare the transverse contraction strain to the longitudinal extension strain. Together with Hooke's law, these values describe the elastic properties of a material.

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Select basic ads. Create a personalised ads profile. Select personalised ads. It is up to point where the materials structure is stretching and not deforming.

However, if you are to stress the material more than this, the molecules or atoms inside will begin to deform and permanently change the material. A good analogy to this would be a rubber band: when you stretch a rubber band you are not deforming it, but stretching it.