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Št. zadetkov: 3
ǂThe ǂinfluence of electric arc activation on the speed of heating and the structure of metal in welds
Oleksandr Savytsky, Mychailo Savytsky, Darko Bajić, Yuriy Shkrabalyuk, Tomaž Vuherer
Izvirni znanstveni članek
Oznake: varjenje;aktivne snovi;penetracija;toplotna prevodnost;arc welding;active flux;penetration;heating speed;driving energy;
This paper presents the results of a research related to the impact of electric arc activation onto drive welding energy and metal weld heating speed. It is confirmed that ATIG and AMIG methods, depending on metal thickness, single pass weldability and chemical composition of activating flux, enable ...
Leto: 2016 Vir: Fakulteta za strojništvo (UM FS)
Influence of kinematic factors of friction stir welding on the characteristics of welded joints of forged plates made of EN AW 7049 A aluminium alloy
Milenko Perović, Sebastian Baloš, Dražan Kozak, Darko Bajić, Tomaž Vuherer
Izvirni znanstveni članek
Oznake: dinamična rekristalizacija;varjenje s trenjem;udarna trdnost;mikrotrdota;dynamic recrystallization;friction stir welding;impact strength;micro hardness distribution;
In this paper, the influence of rotation speed and welding speed on the impact strength, microstructure and cross section micro hardness of FSW welded joints of Al-Zn-Mg-Cu high strength aluminium alloy is studied. Rotation speed was varied from 750 min−1 to 850 min−1 and welding speed from 60 mm/mi ...
Leto: 2017 Vir: Fakulteta za strojništvo (UM FS)
The influence of the heat-treatment regime on a fracture surface of nickel-based supperalloys
Jasmina Babic, Darko Bajić, Andjelka Milosavljević, Sanja Petronić, Suzana Polic-Radovanovic
Strokovni članek
Oznake: superalloy;heat-treatment;microstructure;EDS;SEM;
Nickel-based superalloys are distinguished from other materials by their excellent mechanical and physical properties. As they are used at high temperatures and pressures, as well as in aggressive environments, their characteristics need constant improvement. An adequate choice of their chemical com ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 3
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