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elastic modulus |
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elastic modulusor elastic constantIn materials science and physical metallurgy, any of various numbers that quantify the response of a material to elastic or springy deflection. When tensile stress is applied to a material, the resulting strain is determined by Young's modulus (see Thomas Young), a constant defined as the ratio of the stress in a body to the corresponding strain. It has dimensions of (force)/(length)2 and is measured in units such as the pascal or newton per square meter (1 Pa = 1 N/m2), dyne/cm2, or lbs per sq in. (psi). See also elasticity. elastic modulus [i‚las·tik ′mäj·ə·ləs] (mechanics) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| An opportunity to construct an analytical representation of the elastic moduli data evolved recently from an extensive compilation (NISTIR 6853) of the elastic property data for polycrystalline oxide ceramics [1]. Dow's constrained-geometry metallocene catalysts also make a range of ethylene/1-octene copolymers described as having higher melt elastic moduli at high melt indices than conventional polymers. A major compilation of elastic moduli data (Young's modulus, shear modulus, bulk modulus, and Poisson's ratio) for oxide ceramics has been completed and added to the online NIST Ceramics WebBook. |
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