Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/13657
Title: Uncertainty in the determination of elastic modulus by tensile testing
Authors: Kostić A.
Miljojkovic J.
Šimunovic̈ G.
Vukelic, Djordje
Tadić B.
Journal: Engineering Science and Technology, an International Journal
Issue Date: 1-Jan-2021
Abstract: The paper presents the results of theoretical and experimental research related to the uncertainty in the elastic modulus measurement on different types of tensile testing devices and their comparison. Factors that affect the uncertainty in the measurement of the elastic modulus were defined. Analytical limits of the uncertainty in the elastic modulus, i.e. the limits of “acceptable” uncertainties, were determined. The mean values of the uncertainties in the elastic modulus are 1.97% on a conventional tensile testing device with an extensometer and 1.56% on a small laboratory tensile testing device. In the region of lower forces and small elongations, the uncertainty in the elastic modulus measurement has higher values, which is primarily caused by the imperfections of measuring instrumentation.
URI: https://scidar.kg.ac.rs/handle/123456789/13657
Type: article
DOI: 10.1016/j.jestch.2021.05.002
SCOPUS: 85106224239
Appears in Collections:University Library, Kragujevac

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