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Electron beam welding, despite a long history and widespread arc and laser technology, is still widely used in industry. The main applications for this high efficiency welding process are: automotive, electronics, electrical engineering, aerospace and mechanical engineering industry. The technology ensures high-quality welded joints in structural metals in a wide range of thickness from 0.025 mm to...
Electron beam welding has been known and used for a long time, yet the recent years have seen increasing advancements in equipment fully utilising this welding method potential. Electron beam welding machines can be both universal and highly specialised, which can translate to significant operating and, first of all, welding costs reduction. Modern electron beam welding devices are provided with control...
The article presents the characteristics of electron beam welding and describes phenomena taking place during the interaction between an electron and an atom of a material being bombarded. The study also presents the basic electron beam welding parameters and structural material weldability characteristics as well as enumerates the advantages of the technology and indicates its possible areas of application.
The article presents the classification of imperfections present in joints welded using the FSW method. The division of imperfections is based on standards PN-EN ISO 25239:2013 and AWS D17.3. The article also provides a more extensive and precise division of welding imperfections characteristic of the FSW process along with reasons for their formation. The text also presents the requirements of the...
In the present study, an investigation has been carried out on the friction stir processing (FSP) of an AlSi9Mg cast aluminium alloy. The relationship between the FSP parameters and the torque action on the tool, temperature of the modified surface and microstructure was investigated. It was found that an increase in rotational speed of the tool causes a decrease in the torque and an increase in temperature...
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