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Prikaz rezultata 1-10 od 47
Linings based chromite for application in foundry
(ModTech Publishing House, 2012)
In this work, a possibility to develop new chromite-based refractory linings for casting applications has been examined. Lining composition optimization with the controlled reologic properties was achieved by applying ...
Microstructure analysis and crack detection in turbine blades after prolonged exposure in plant
(Univ Novi Sad, Fac Tech Sci, Adeko, Novi Sad, 2012)
Turbine blades are one of the most important machine parts in every power generator. Corrosion and/or erosion attack on blades are also available in moisture atmosphere, because the wet water vapour is an usual working ...
Procena ponašanja zavarenog spoja HSLA čelika opterećenog na zamor primenom parametara mehanike loma / Assessment of the behaviour of fatigue loaded HSLA steel welded joint by applying fracture mechanics parameters
(Institut za ispitivanje materijala, Beograd, 2012)
U zavarenim spojevima, sa gledišta mehanike loma, se pretpostavlja prisustvo prslina, gde se onda vek s obzirom na zamor takvih konstrukcija sa prslinama procenjuje vremenom rasta prsline pod promenljivim opterećenjem. ...
Recovery of the damages of a welded steel structure of a coal-reloading bridge: Methodological approach
(Univerzitet u Novom Sadu - Fakultet tehničkih nauka, Novi Sad, 2012)
In present paper, the methodological approach to the analysis of the causes of failures and to recovery of the damages has been presented using, as an example, the fracture and damage of a welded steel structure of a ...
Metodologija reparaturnog zavarivanja vratila turbina na hidroelektrani Đerdap 2 bez demontaže agregata
(Institut IMK "14. oktobar", Kruševac, 2012)
Na deset hidro-generatorskih jedinica 'Đerdap 2' ugrađene su horizontalne Kaplan turbine, nominalne snage 28 MW, izrađene u Rusiji. Posle 163411h rada (približno 22 godine) došlo je do loma vratila turbine agregata A6 u ...
Monte Carlo Analysis of the Influence of Different Packaging on MOSFET Energy Response to X-rays and Gamma Radiation
(Polish Acad Sciences Inst Physics, Warsaw, 2012)
Radiation sensing MOSFETs have found numerous applications as detectors or device components in radiation fields used in nuclear industry, medical applications and space research. Monte Carlo simulations of MOSFET energy ...
Procena troškova rehabilitacije i rekonstrukcije u sistemima za upravljanje održavanjem puteva / Model development for the preliminary cost estimates of road rehabilitation and reconstruction works
(Srpsko društvo za puteve VIA-VITA, Beograd, 2012)
Prosečni jedinični troškovi radova u projektima rekonstrukcije i rehabilitacije (RiR) puteva se značajno razlikuju među državama, ali i u okviru različitih projekata u istoj državi, i to usled mnogobrojnih faktora. U okviru ...
Process parameters influence on microstructural properties of hypereutectic al-18wt% Si alloys obtained by rheocasting process
(Editura Stiintifica Fmr, Bucharest, 2012)
Hypereutectic Al-18wt%Si alloy was obtained by conventional and rheocasting procedure at cooling rate 0.16 +/- 0.05 degrees Cs-1. Samples of rheocasted alloy were obtained at two stirring speeds 1000 and 1500 rpm. Tests ...
Analiza sleganja temelja usled progresivnog provlažavanja prašinastih glina / Analysis of foundation settlement from progressive moistening of silty clay
(Institut za rudarstvo i metalurgiju, Bor i Komitet za podzemnu eksploataciju mineralnih sirovina, Resavica, 2012)
Nisu retki primeri vidljivih oštećenja (pukotine i prsline po fasadnim zidovima) na starijim građevinama Beograda koje su fundirane plitko. Najčešće je to posledica neravnomernih sleganja koja često nastaju usled nepredviđenog ...
Evaluation of air content on concrete compressive strength with classical approach and neural networks
(Društvo za ispitivanje i istraživanje materijala i konstrukcija Srbije, Beograd, 2012)
Mnogi parametri utiču na karakteristike svežeg i očvrslog betona. Jedan od najvažnijih svakako jeste poroznost betona. Poroznost svežeg betona meri se količinom uvučenog vazduha. Uticaj uvučenog vazduha na beton i njegovu ...