João P.M. Pragana

TL;DR: Special emphasis is given to the combination of additive manufacturing with forming processes with the two-fold objective of increasing the applicability domain of metal additive manufacturing and overcoming its limitations related to low productivity, metallurgical defects, rough surface quality and lack of dimensional precision.

TL;DR: In this article, the main challenge of defect detection in additive manufacturing (AM) is to improve the reliability of products, and Nondestructive testing is not yet widely used for defect detection.

TL;DR: In this article, the integration of metal forming operations in hybrid systems that combine additive manufacturing (AM) by gas metal wire arc and subtractive manufacturing by machining is investigated. And the results confirm that integration of sheet forming operations is feasible despite the formability of deposited metal being smaller than that of commercial metal sheets due to the strong anisotropy induced by the dendritic based microstructure of the deposited metal.

TL;DR: Additive manufacturing technologies are becoming more popular, as they allow the fabrication of specific parts with complex geometries not achievable by conventional manufacturing as discussed by the authors, and metal additivization is becoming more important.

TL;DR: In this article, the authors explored the application of the "mortise-and-tenon" concept for joining hollow section aluminium profiles to composite strips or sheets, where wire arc additive manufacturing is combined with joining by forming to fabricate the tenons and to obtain the mechanical interlocking with the mortises available in the strips (or sheets).