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Prikaz rezultata 71-80 od 81
The Influence of Modifying Methods on the Quality of Eutectic and Hypereutectic Silumine for Diesel Engine Pistons
(International Journal of Cast Metals Research, 2013)
The results of the investigation of the influence of different modifiers (sodium, phosphorus, antimony and strontium) on the quality of AlSi12CuMgNi and AlSi18CuMgNi alloys, which are used for the production of pistons, ...
Eksperimentalno određivanje dinamičke žilavosti loma KId, kod metalnih materijala visoke čvrstoće / Experimental determination of dynamic fracture toughness KId in metal materials with high strength
(Visoka tehnička škola strukovnih studija, Beograd, 2003)
U ovom radu su prikazane metode za određivanje dinamičke žilavosti loma, KId Metode dinamičkog J integrala, i ekvivalenta energije su eksperimentalno potvrđene ispitivanjem čelika Č 5432 i Č 4734. Ovaj rad predstavlja ...
BAZALT KAO SIROVINA ZA IZRADU AGREGATA ZA SAVREMENE KOLOVOZNE ZASTORE I ZASTORE BRZIH PRUGA
(4. Konferencija „ODRŽAVANJE 2016“ Zenica, B&H, 02 - 04 juni 2016, 2016)
U radu su prezentirani rezultati istraživanja mogućnosti primjene bazalta iz ležišta "Vrelo" -
Kopaonik za izradu različitih proizvoda za potrebe građevinarstva, rudarstva, saobraćaja - kao
sirovina za izradu agregata ...
Life Assessment of Corroded Wire for Prestressing
(MDPI, 2023)
The repair of structural elements for the prestressing of reinforced concrete is necessarywhen existing prestressing wires are damaged or after a certain period of time. The objective of thispaper is to describe the ...
Ponašanje metala pri udarnom opterećenju / Behavior of metals at impact loading
(Institut za ispitivanje materijala, Beograd, 2001)
Ponašanje materijala u uslovima velike brzine deformacije od praktičnog je značaja za probleme otpornosti konstrukcija prilikom eksplozije i probijanja projektilom, određivanja kontaktnih napona ležajeva za velike ugaone ...
Hronologija gubitka integriteta konstrukcija zbog grešaka izrade zavarenih konstrukcija / Chronology of lost structural integrity initiated from manufacturing defects in welded structures
(Institut za ispitivanje materijala, Beograd, 2009)
U različitim vremenskim periodima dolazilo je do gubitka integriteta zavarenih konstrukcija zbog razvoja proizvodnih grešaka zavarenog spoja. Mehanizmi otkaza su bili različiti i uvek su predstavljali novo iskustvo, koje ...
Comparison of the formation and development of cavitation damage on cast and sintered samples based on basalt
(Journal of Mining and Metallurgy, Section A: Mining, 2019)
The paper examines the resistance to the effect of cavitation of glass-ceramics based on basalt. Two types of samples were investigated: cast and sintered samples based on basalt.The cavitation erosion test was performed ...
Management of environmental quality and Kostolac mine areas natural resources usage
(Management of Environmental Quality: An International Journal, 2014)
Purpose – This paper aims to define and theoretically analyse the performance of modern
methods investigated to speed up the recultivation process of degraded areas, and apply it into
the mining basin, open pit mines, ...
Klasifikacija eksploatacijskih oštećenja čeličnih užadi / Classification of in-service damages of Steel wire ropes
(Institut za ispitivanje materijala, Beograd, 2007)
Radni vek čeličnih užadi je ograničen zbog promene njihovih svojstava tokom eksploatacije pod dejstvom radnih uslova i opterećenja. Redovan nadzor tokom eksploatacije omogućava kontrolu razvoja oštećenja i normalni proces ...
The Flaws of Aliminium-Magnesium Alloy elements-Influence of Inclusions
(Mining and Metallurgy Institute Bor, 2014)
The investigation results of gas removal from smelted metal and the effect on performances of aluminium-magnesium alloy cast elements are presented in this paper. The investigated alloy is based on
recycled material. The ...