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Now showing items 11-20 of 111
Effect of microstructure on tensile properties of austenite-ferrite welded joint
(Faculty of Metallurgy, 2015)
Complex microstructure of austenite-ferrite welded joint has been investigated, focused on its influence on Focal tensile properties. Tensile properties (yield strength and hardening coefficient) have been evaluated by ...
The standard processing window of alloyed ADI materials
(Kovove Materialy, 2012)
In present paper the effect of austempering conditions and alloying elements on the microstructure, mechanical properties and processing window of Cu and Cu + Ni alloyed austempered ductile irons has been studied. A new ...
Comparative analyses of built environment exposures relevant to health of greenhouse gas emissions reduction strategies in Serbia
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
Paper presents comparative analysis of residential indoor air pollutant concentration change over future specified time horizon, implementing building physical and thermal retrofit measures, thus creating pollution mitigation ...
Numerical analysis of thermal stresses in welded joint made of steels x20 and x22
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
Stress calculation of steam pipeline is presented, focused on the welded joint. Numerical calculation was peiformed using the finite element method to obtain stress distribution in the welded joint made while replacing the ...
Triz method application for improving the special vehicles maintenance
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
TRIZ methodology provides an opportunity for improving the classical engineering approach based on personal knowledge and experience. This paper presents the application of TRIZ methods for improving vehicle maintenance ...
Failure resistance of drilling rig casing pipes with an axial crack
(Pergamon-Elsevier Science Ltd, Oxford, 2015)
Working conditions of casing pipes in drilling rigs can significantly influence the initiation and development of damage in the material, and therefore also the safe service of the entire system. In this work, an integrity ...
Fracture mechanics analysis of damaged turbine rotor discs using finite element method
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
This paper presents evaluation fracture mechanics parameters in low pressure turbine components. Critical locations such as keyway and dovetail area are experiencing stress concentration leading to crack initiation. Stress ...
Stabilizacija karakteristika gasnih odvodnika prenapona primenom jonizujućeg zračenja / Stabilization of gas-filled surge arrester's characteristics by use of ionizing radiation
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2012)
U radu se razmatra stabilizacija električnog pražnjenja u gasovima primenom spoljašnjeg jonizujućeg zračenja. Razmatrano je pražnjenje modela gasnog odvodnika prenapona u pasivnom i aktivnom radnom režimu. Korišćen je ...
Failure analysis of hydraulic turbine shaft
(Pergamon-Elsevier Science Ltd, Oxford, 2012)
This paper describes the analysis of major failure of 28 MW horizontal hydro turbine shaft. The analysis of load carrying capacity of critical radius and fractography analysis are presented. Special emphasize is on ...
Exploring innovative solutions for aged concrete utilization: treatment of liquid radioactive waste
(Springer, New York, 2018)
In this study, the applicability of waste concrete as a sorbent material for the liquid radioactive waste management was considered. The sample was properly characterized in terms of mineralogical and surface composition, ...