Zobrazeno 1 - 10
of 314
pro vyhledávání: '"Aleksandar Sedmak"'
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 1, Pp 118-124 (2024)
Risk assessment of cracked cylindrical pressure vessels for compressed air by using basic fracture mechanics and advanced methods of non-destructive testing (NDT), such as Phased Array Ultrasound (PAUT) and Time-of-Flight Diffraction (TOFD), is prese
Externí odkaz:
https://doaj.org/article/af2a25b82d814039b0029dbf4df28315
Autor:
Mirjana Jelic, Aleksandar Sedmak, Boris Folic, Simon Sedmak, Mihajlo Arandjelovic, Radomir Folic, Dorin Radu
Publikováno v:
Frattura ed Integrità Strutturale, Vol 18, Iss 67, Pp 337-351 (2024)
Belgrade fair hall 1 is well known for its dome, which is still the world largest self-supported construction made of pre-stressed concrete, with its diameter of 106 m. In this paper the Finite Element Method (FEM) was performed to analyze different
Externí odkaz:
https://doaj.org/article/662bccf11c6c4782bc5d1024f93dac08
Autor:
Tamara Smoljanić, Ljubica Milović, Simon Sedmak, Aleksa Milovanović, Katarina Čolić, Zoran Radaković, Aleksandar Sedmak
Publikováno v:
Materials, Vol 17, Iss 15, p 3796 (2024)
In this paper, hip implants made of Ti-6Al-4V titanium alloy are analyzed numerically using Extended Finite Element Method XFEM. The combined effect of corrosion and fatigue was considered here since this is a common cause of failure of hip implants.
Externí odkaz:
https://doaj.org/article/cdf762f42b9d4a77a2e2cb0a108cd9cb
Autor:
Zorana Golubović, Ivan Danilov, Božica Bojović, Ljubiša Petrov, Aleksandar Sedmak, Žarko Mišković, Nenad Mitrović
Publikováno v:
Polymers, Vol 15, Iss 21, p 4197 (2023)
Additive manufacturing technologies have developed rapidly in recent decades, pushing the limits of known manufacturing processes. The need to study the properties of the different materials used for these processes comprehensively and in detail has
Externí odkaz:
https://doaj.org/article/663365cd0d814a1e9157b9211414927d
Publikováno v:
Tehnički Vjesnik, Vol 29, Iss 5, Pp 1770-1776 (2022)
In this paper the focus is on a historic context of a few milestones in the development of structural integrity, which closely follow development of human civilization. Starting from the Great Pyramids in ancient Egypt, this story leads us through th
Externí odkaz:
https://doaj.org/article/c4f479dd9a634a4d827f0db0ba55796d
Autor:
Marina Dojčinović, Radica Prokić Cvetković, Aleksandar Sedmak, Olivera Popović, Ivana Cvetković, Dorin Radu
Publikováno v:
Materials, Vol 16, Iss 13, p 4781 (2023)
The effect of the shielding gas arc welding process on the cavitation resistance of the three-component aluminum alloy AlMg4.5Mn and its welded joints was investigated. Welding was performed using the GTAW and GMAW processes in a shielded atmosphere
Externí odkaz:
https://doaj.org/article/70515f7372c9424ab5749f9dee8a252a
Publikováno v:
Materials, Vol 16, Iss 13, p 4858 (2023)
Crack size and undermatching effects on fracture behavior of undermatched welded joints are presented and analyzed. Experimental and numerical analysis of the fracture behavior of high-strength low-alloyed (HSLA) steel welded joints with so-called sm
Externí odkaz:
https://doaj.org/article/315cbdf7311b448798f0686de2ee0186
Autor:
Srđa Perković, Aleksandar Sedmak, Zoran Radaković, Zijah Burzić, Simon Sedmak, Ljubica Radović, Jovana Mandić
Publikováno v:
Materials, Vol 16, Iss 12, p 4432 (2023)
The search for alternative materials that can be used for parts of aircraft hydraulic systems has led to the idea of applying S32750 duplex steel for this purpose. This steel is mainly used in the oil and gas, chemical, and food industries. The reaso
Externí odkaz:
https://doaj.org/article/69c4aef33708471c8805214530562869
Publikováno v:
Tehnički Vjesnik, Vol 28, Iss 1, Pp 240-247 (2021)
A theoretical film rupture model was used for computational procedure to predict the crack growth rate within the Stress Corrosion Cracking (SCC) conditions. Chemical, electrochemical and mechanical aspects of the SCC were analyzed and set into the c
Externí odkaz:
https://doaj.org/article/67b8d2883b374a22a463bf255593a1e8
Autor:
Sneana Kirin, Lazar Jeremic, Aleksandar Sedmak, Igor Martic, Simon Sedmak, Ivana Vucetic, Tamara Golubovic
Publikováno v:
Frattura ed Integrità Strutturale, Vol 14, Iss 53, Pp 345-352 (2020)
Risk based analysis of reverse hydro power plant penstock structural integrity is performed using fracture mechanics parameters. To assess its structural integrity, extensive testing of the full-scale prototype had been performed, including hydrostat
Externí odkaz:
https://doaj.org/article/d91d57039cfe440cbe2259181faa758b