Preliminary communication

https://doi.org/10.17559/TV-20170609133537

Determining elastic modulus of the material by measuring the deflection of the beam loaded in bending

Jasmina Miljojković ; Faculty of Engineering University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija
Ivan Bijelić ; Polytechnic College "Novi Beograd", Bulevar Zorana Đinđića 152а, 11070 Novi Beograd, Srbija
Nenad Vranić ; Faculty of Engineering University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija
Nikola Radovanović ; Faculty of Engineering University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija
Milutin Živković ; Technical College of Applied Studies in Mechanical Engineering, Radoja Krstića 19, 37240 Trstenik, Srbija

Abstract

The paper presents a theoretical model and design solution for the device which determines the modulus of elasticity by bending the material (test samples), instead of the usual stretching. The device was designed, assembled and successfully tested in the laboratory. Experimental determination of the elastic modulus was conducted by measuring the deflection of samples under a constant load. Values of the elastic modulus resulted from theoretical relations. Measurement was performed and measurement errors, i.e. device errors, were analysed.

Keywords

deflection; device for determining the modulus of elasticity; elastic modulus; stress

Hrčak ID:

185511

URI

https://hrcak.srce.hr/185511

Publication date:

31.7.2017.

Article data in other languages: croatian

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