Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Dragan RAJNOVIC"'
Publikováno v:
Medžiagotyra, Vol 30, Iss 4, Pp 568-575 (2024)
In this work, the morphology of the cavitation damage to centrifugally cast austenitic stainless alloys of the HP type was investigated. All specimens subjected to cavitation underwent detailed morphological analyses using light microscopy (LM) and s
Externí odkaz:
https://doaj.org/article/cb8057b94ea14252ab66aab113e82e57
Autor:
Plavka SKAKUN, Dragan RAJNOVIC, Petar JANJATOVIC, Dejan MOVRIN, Miroslav DRAMICANIN, Lucijano BERUS, Mirko FICKO
Publikováno v:
Medžiagotyra, Vol 30, Iss 1, Pp 40-46 (2024)
An experimental metallographic method for determining strain distribution in a cold formed workpiece is presented in this paper. The method, based on the dependence of recrystallized grain size on prior deformation, was applied to a bulk formed eleme
Externí odkaz:
https://doaj.org/article/b97470766ea94b349be90278ae6fb769
Autor:
Sebastian Balos, Danka Labus Zlatanovic, Nenad Kulundzic, Petar Janjatovic, Miroslav Dramicanin, Zorana Lanc, Miodrag Hadzistevic, Slobodan Radisic, Dragan Rajnovic, Milan Pecanac
Publikováno v:
Metals, Vol 13, Iss 7, p 1215 (2023)
Bobbin tool friction stir welding (BTFSW) is a variant of the FSW process which uses the special two-shoulder tool that forms the top and bottom of a weld surface. As such, a significant simplification of the welding setup is achieved. One of the dom
Externí odkaz:
https://doaj.org/article/4bb5c4d45fad4d39a77fd098450bdbc9
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 7, Iss 2, p 72 (2023)
The paper presents the microstructural characterization of the chip roots in high-speed steels and ceramic Ti3SiC2. The process of chip formation and the obtaining of adequate samples were carried out using the quick-stop method. The tests were carri
Externí odkaz:
https://doaj.org/article/84a8224635c6445cbea6be8f9b9704ff
Autor:
Pavel Predko, Dragan Rajnovic, Maria Luisa Grilli, Bogdan O. Postolnyi, Vjaceslavs Zemcenkovs, Gints Rijkuris, Eleonora Pole, Marks Lisnanskis
Publikováno v:
Metals, Vol 11, Iss 7, p 1133 (2021)
High specific strength characteristics make magnesium alloys widely demanded in many industrial applications such as aviation, astronautics, military, automotive, bio-medicine, energy, etc. However, the high chemical reactivity of magnesium alloys si
Externí odkaz:
https://doaj.org/article/b5fa675b029c4c8694d8c32d0247476a
Autor:
Petar Janjatovic, Olivera Eric Cekic, Leposava Sidjanin, Sebastian Balos, Miroslav Dramicanin, Jasmina Grbovic Novakovic, Dragan Rajnovic
Publikováno v:
Metals, Vol 11, Iss 1, p 94 (2021)
Austempered ductile iron (ADI) is an advanced cast iron material that has a broad field of application and, among others, it is used in contact and for conveyance of fluids. However, it is noticed that in contact with some fluids, especially water, A
Externí odkaz:
https://doaj.org/article/4edc4578d7024e86801c45720d5bd698
Autor:
Lucijano Berus, Plavka Skakun, Dragan Rajnovic, Petar Janjatovic, Leposava Sidjanin, Mirko Ficko
Publikováno v:
Metals, Vol 10, Iss 10, p 1381 (2020)
This paper presents a novel approach for edge detection and concatenation. It applies the proposed method on a set of optical microscopy images of aluminium alloy Al 99.5% (ENAW1050A) samples with different grain size values. The performance of the p
Externí odkaz:
https://doaj.org/article/7bbaf53be1294960b02add42cda93743
Autor:
Plavka Skakun, Dragan Rajnovic, Petar Janjatovic, Sebastian Balos, Andrei Shishkin, Pavel Novak, Leposava Sidjanin
Publikováno v:
Metals, Vol 10, Iss 5, p 589 (2020)
In this study, an experimental, metallographic method for determining strain distribution in a cold extruded aluminum gear-like element, based on the dependence of recrystallized grain size on prior deformation, was devised in order to overcome desig
Externí odkaz:
https://doaj.org/article/dd5b6d059e404acba60642bdf309c53a
Autor:
JONJAUA RANOGAJEC, DMITAR ZORIC, SNEZANA PETROVIC, MIROSLAVA RADEKA, LEPOSAVA SIDJANIN, SEBASTIAN BALOS, DRAGAN RAJNOVIC
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 17, Iss 2, Pp 223-230 (2011)
The usage of air-swept milling of raw materials is the most efficient method for preventing the negative lime-blowing process of ceramic roofing tiles. How-ever, after air-swept milling the clay minerals lose water which has to be re-turned back befo
Externí odkaz:
https://doaj.org/article/523718e376d14467abc4d0ecf199ccb7
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 7, Pp 1015-1022 (2005)
Austempered ductile iron (ADI) has proved to be an excellent material as it possesses attractive properties: high strength, ductility and toughness are combined with good wear resistance and machinability. These properties can be achieved upon adequa
Externí odkaz:
https://doaj.org/article/a10ad7ceb6944d3e8e06e9dd2552ebd3