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An Approach for Measurement of Young’s Modulus of Glass in the Form of a Slab
Objectives: The study of elastic properties of material is very important for commercial use as well as for research work. But especially for this purpose we are not always very much interested in study with materials other than metals. Now, there will be a study of elastic property of glass, mainly to determine the value of Young’s Modulus experimentally. Methods/Statistical Analysis: In the present study the process of flexure of a thin beam of glass is used. When external force in the form of weight is applied on the middle point of glass slab, the change in length of different layers of the slab occurs. As a result finally total Internal Bending Moment (IBM) comes to play. Findings: Directly, IBM cannot be measured but at equilibrium it can be treated equal in magnitude to Applied (external) Bending Moment (ABM). Theoretically a relation between ABM and Young’s modulus can be generated, from this study; Young’s modulus can be estimated. The result got from this study is very close to the well-established value of Young’s modulus of glass. Though in the process, the changes in length for glass is very small, breaking load is also very low and regular, symmetric shape of glass is essential, still it is very easy and interesting to determine the value of Young’s modulus of glass. This process not only useful for glass or metals, but can be used for other non-metals. Application/ Improvements: The flexure process may be the quickest and the result very close to the actual result for glass.
Keywords
Applied Bending Moment, Breaking Load, Elastic, Internal Bending Moment, Modulus
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