Zobrazeno 1 - 10
of 11
pro vyhledávání: '"S Aleksandar Sedmak"'
Autor:
M Veljko Petrovic, M Aleksandar Grbovic, M Igor Balac, S Aleksandar Sedmak, Abdulrazag Elmiladi Abdallah
Publikováno v:
Thermal Science, Vol 25, Iss 5 Part B, Pp 3847-3856 (2021)
This paper presents numerical calculation of thermal stresses generated in a carbon fiber-epoxy laminated composite structure which is operating at low temperatures. The thermal stress evaluation is based on the finite element method. A sample proble
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f703e0b33dc78f0aac6ba24f36b7efa
http://www.doiserbia.nb.rs/img/doi/0354-9836/2021/0354-98362000338E.pdf
http://www.doiserbia.nb.rs/img/doi/0354-9836/2021/0354-98362000338E.pdf
Autor:
R Ivana Cekovic, M Dusan Arsic, B Ivana Ivanovic, D Mirjana Lazic, V Dragan Kalaba, R Nada Ratkovic, S Aleksandar Sedmak
Publikováno v:
Thermal Science, Vol 24, Iss 3 Part B, Pp 2233-2241 (2020)
In this research the 3-D transient non-linear thermal analysis of the hard-facing process was performed by using the experimental testing and finite element method. Testing was done at three different carbon steels and the obtained results were compa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b33e6a5be7ae2503bd925baa202a0d73
https://doi.org/10.2298/tsci190717338a
https://doi.org/10.2298/tsci190717338a
Autor:
I Bojan Medjo, S Aleksandar Sedmak, M Darko Veljic, R Mihailo Mrdak, A Nenad Radovic, R Darko Bajic, P Marko Rakin
Publikováno v:
Thermal Science
The influence of friction stir welding parameters on thermo-mechanical behavior of the material during welding is analyzed. An aluminum alloy is considered (Al 2024 T351), and different rotating and welding speeds are applied. The finite element mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c3a92eb058ddbbd2d4519e1535f6d4e
http://TechnoRep.tmf.bg.ac.rs/bitstream/id/12642/bitstream_12642.pdf
http://TechnoRep.tmf.bg.ac.rs/bitstream/id/12642/bitstream_12642.pdf
Autor:
Zorana Golubović, Blagoj Petrovski, Marko Katinić, A Simon Sedmak, Mohamed Swei, I Khaled Azzabi, S Aleksandar Sedmak
Publikováno v:
Thermal Science, Vol 23, Iss 2 Part B, Pp 1203-1209 (2019)
The steels operating at elevated temperatures are well known to be exposed to premature failure due to cracking caused by constant thermal stress, i. e. secondary creep process. Therefore, creep crack growth tests were carried out on compact tension
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9549240f4c8908fc72cfb593b3d6883f
http://www.doiserbia.nb.rs/img/doi/0354-9836/2019/0354-98361700240S.pdf
http://www.doiserbia.nb.rs/img/doi/0354-9836/2019/0354-98361700240S.pdf
Temperature fields in linear stage of friction stir welding: Effect of different material properties
Publikováno v:
Thermal Science
Thermal Science, Vol 23, Iss 6 Part B, Pp 3985-3992 (2019)
Thermal Science, Vol 23, Iss 6 Part B, Pp 3985-3992 (2019)
Friction stir welding is one of the procedures for joining the parts in solid state. Thermo-mechanical simulation of the friction stir welding of high-strength aluminium alloys 2024 T3 and 2024 T351 is considered in this work. Numerical models corres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::336d6eabe5e5a9174070a2ba91ee2e6c
https://doi.org/10.2298/tsci181015264v
https://doi.org/10.2298/tsci181015264v
Publikováno v:
Thermal Science, Vol 22, Iss 1 Part B, Pp 641-649 (2018)
The aim of this paper is to present the behaviour of specimens made of polyethylene material PE 80, subjected to tensile load until failure. Measurements of the temperature distribution have been done using the infrared thermography during specimens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6b3ac019fb5c83cc5f526d760cfdc9d
https://doi.org/10.2298/tsci170219203s
https://doi.org/10.2298/tsci170219203s
Autor:
A Nenad Radovic, S Aleksandar Sedmak, R Dragana Barjaktarevic, M Darko Veljic, Alin Constantin Murariu, M Jelena Djokovic, P Marko Rakin
Publikováno v:
Thermal Science, Vol 20, Iss 5, Pp 1693-1701 (2016)
Thermal Science
Thermal Science
The heat generated during friction stir welding (FSW) process depends on plastic deformation of the material and friction between the tool and the material. In this work, heat generation is analysed with respect to the material velocity around the to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b61121ca14045814aec59066757b3c46
https://doi.org/10.2298/tsci150904217m
https://doi.org/10.2298/tsci150904217m
Autor:
S Aleksandar Sedmak, R Ružica Nikolić, M Dusan Arsic, R Nada Ratkovic, Peter Palček, N Vukic Lazic, Branislav Hadzima
Publikováno v:
FME Transactions (2017) 45(1):165-171
FME Transactions, Vol 45, Iss 1, Pp 165-171 (2017)
FME Transactions, Vol 45, Iss 1, Pp 165-171 (2017)
In this paper is presented a theoretical-experimental analysis of the aluminum-copper joining by friction welding. Considering that such Al-Cu bimetal joints are widely applied in industrial practice, experimental analysis in this paper was performed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1afc35a0dc328de1d78aca57c33453fd
http://scindeks.ceon.rs/article.aspx?artid=1451-20921701165R
http://scindeks.ceon.rs/article.aspx?artid=1451-20921701165R
Autor:
K Vencislav Grabulov, S Aleksandar Sedmak, I Bojan Medjo, S Nikola Bajic, P Marko Rakin, M Darko Veljic, R Darko Bajic
Publikováno v:
Thermal Science, Vol 18, Iss suppl.1, Pp 29-38 (2014)
Thermal Science
Thermal Science
This paper presents experimental and numerical analysis of the change of temperature and force in the vertical direction during the friction stir welding of high-strength aluminium alloy 2024 T3. This procedure confirmed the correctness of the numeri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6518ae29d46443cc12aaa735432950a0
http://www.doiserbia.nb.rs/img/doi/0354-9836/2014/0354-98361300171V.pdf
http://www.doiserbia.nb.rs/img/doi/0354-9836/2014/0354-98361300171V.pdf
Autor:
M Miroslav Zivkovic, S Aleksandar Sedmak, B Ivana Ivanovic, M Srbislav Aleksandrovic, D Rajko Cukic, N Vukic Lazic, D Radomir Jovicic
Publikováno v:
Thermal Science. 14:235-246
This paper investigates the accuracy of analytical, empirical, and numerical expressions, i. e. the most favourable methods for calculating the cooling time from 800 to 500?C (t8/5). The degree of accuracy of time t8/5 is very significant, because it
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7b2b7d5d2a3024229cb398551f4992b
https://doi.org/10.2298/tsci1001235l
https://doi.org/10.2298/tsci1001235l