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Numerical analysis of stress distribution in polycrystalline microstructure
(Institut za ispitivanje materijala, Beograd, 2015)
The paper presents a numerical analysis of stress distribution in micromechanical models in order to simulate microstructural mechanisms of microcrack initiation and propagation in polycrystalline metals. The analysis is ...
Analiza stabilnosti vitkog 3D modela šipa u interakciji sa tlom metodom konačnih elemenata / Buckling analysis of 3D model of slender pile in interaction with soil using finite element method
(Institut za ispitivanje materijala, Beograd, 2012)
U radu je prikazano modeliranje i analiza rezultata stabilnosti vitkih šipova primenom metode konačnih elemenata. Formulisan je koncept za modifikovanu analizu stabilnosti 3D modela šip-naglavna ploča-tlo formiran od solid ...
Neka od dostignuća u implementaciji RBIM u skladu sa RIMAP pristupom / Some achievements in RBIM implementation according to RIMAP approach
(Institut za ispitivanje materijala, Beograd, 2015)
Some results of RIMAP based RBIM implementation on the example of 21 000 components in refinery Pancevo are presented in this paper. It is proved to be a powerful tool for maintenance planning, for increasing industrial ...
Proračun lokalnih napona u ispupčenom dancu vertikalne posude pod pritiskom usled opterećenja osloncem -"suknjom" prema en 13445-3:2014 / Calculation of local loads in torispherical end of vertical vessel with skirt according to en 13445-3:2014
(Institut za ispitivanje materijala, Beograd, 2016)
Fundamental equations for determining local stresses in a convex lid of a vertical pressure vessel due to loading from the support are presented, according to standard EN 13445-3:2014. Težina prazne posude proračunava se ...
Analysis of causes of degradation of parent material and weld metal of breeches pipe at hydro power plant 'Perućica'
(Institut za ispitivanje materijala, Beograd, 2015)
Presented are results of non-destructive tests performed on the parent material and welded joints of structural parts of a breeches pipe (collar and anchor), and results of destructive tests performed on the parent material ...
Numerički proračun vodenog cevnog kotla primenom konačnih elemenata ortotropne ploče / Numerical calculation of the water-tube boiler using finite element of the orthotropic plate
(Institut za ispitivanje materijala, Beograd, 2012)
Norme uglavnom pokrivaju proračun delova pod pritiskom, ali uglavnom bez uticaja termičkih opterećenja. Primena metode konačnih elemenata predlaže se pri proračunu svih komponenti koje norme ne obuhvataju. U radu je prikazan ...
Crack resistance of aluminium alloy friction stir welded joint
(Institut za ispitivanje materijala, Beograd, 2015)
Charpy testing is conducted on a high-speed data acquisition instrument, using instrumented pendulum to separate energies for crack initiation and propagation. The J-R curves are used to determine JIc, as the measure of ...
Determining reliability functions of steam turbine in power plant 'Nikola Tesla, block a4'
(Institut za ispitivanje materijala, Beograd, 2016)
Determination of reliability indicators of steam turbine system in the thermal power plant 'Nikola Tesla, Block A4'during useful life period is based on a ten-year operational database. By implementation of mathematical ...
Mihailo petrovic's work on development of military structures and equipment
(Institut za ispitivanje materijala, Beograd, 2018)
Analysed are the developments of military equipment and the impact of Mihailo Petrovic's inventions on them. Great contribution from the works of our scientists and inventors to the development of world science in the late ...
Integrity assessment of turbine flat cover pipe
(Institut za ispitivanje materijala, Beograd, 2018)
The turbine flat cover pipe (dimension phi 219.1x12.7 mm, and material STPG-38) is tested and cracks are found. Determination of the required wall thickness for a pipe exposed to internal pressure is done according to EN ...