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Dmitrii Sidelev, Sergey Ruchkin and Egor Kashkarov
The resistance upset welds (RUW) made from E110 alloy without and with Cr coatings were oxidized in air atmosphere at 1100 °C for 2, 10 and 30 min. The cross-section microstructure, elemental composition and hardness were studied before and after oxidati...
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Oleksii Papeikin,Oleg Safronov,Larysa Bodachivska,Irina Venger
Pág. 54 - 60
The possibility of using the wastes of the oil and fat industry ? phosphatide concentrates as components of lubricating materials was demonstrated in this paper. At the first stage, amidation of phosphatide concentrate from the purification of rapeseed o...
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Mansour Ghalehnovi, Mehdi Yousefi, Arash Karimipour, Jorge de Brito and Mahdi Norooziyan
The most researches on steel-concrete-steel (SCS) sandwich slabs are to control the cracking of concrete core along with losing weight, and shear connector type. In this study, the behaviour of SCS slabs with bi-directional corrugated-strip shear connect...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 134 - 146
The subject of the study is the issues related to determining the service life of protective coatings protecting the surfaces of assembly and welding fixtures from the effects of welding spatter and mechanical wear when performing certain assembly and we...
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Zhiyong Ouyang, Yasuhiro Okamoto, Yuta Ogino, Tomokazu Sakagawa and Akira Okada
Focusing condition such as numerical aperture (N.A.) has a great influence on the creation of molten area and the stable welding process in fusion micro-welding of glass. In this study, a picosecond pulsed laser of 1064 nm in wavelength and 12.5 ps in pu...
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