Wearable Health Devices are proving to be extremely helpful for people to keep a check on their health conditions. People can monitor their status at a fitness level and also at the proper medical level. With already a number of smart products in the market and the surge in the implementation IoT and AI in the healthcare sector, it is safe to say that the future lies in virtual healthcare and Wearable Health Devices. The cover photo of this October 2019 issue is inspired by the editorial article "Wearable Healthcare Devices", by Dr. Ashutosh Tiwari.
Geometrical Characterization of Wire-and-Arc Additive Manufactured Steel Element
Vittoria Laghi1*, Michele Palermo1, Giada Gasparini1, Valentina Alena Girelli1, Tomaso Trombetti1
1Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, 40136, Bologna, Italy
Adv. Mater. Lett., 2019, 10 (10), pp 695-699
DOI: 10.5185/amlett.2019.0019
Publication Date (Web): May 18, 2019
Copyright © 2019 VBRI Press
Corresponding author: Tel: (+39) 0512093235; E-mail: vittoria.laghi2@unibo.it
In the last decades Additive Manufacturing has gained fundamental importance in the development of digital fabrication for the automotive, aerospace, biomedical and only lately civil engineering field. In particular, the technology of Wire-and-Arc Additive Manufacturing, based on a welding process adopted on a robotic arm, is the most suitable to realize structural elements which usually requires large dimensions of the printed outcome, with still a good mechanical response of the printed metal material. The authors have been part of a pioneering work which provides the first insight into the material and geometrical properties relevant to characterize 308LSi stainless steel elements to realize the first 3D-printed steel footbridge to be held in Amsterdam by 2020 and manufactured by the Dutch company MX3D. In detail, the work presents the first results of an intense geometrical study to characterize the intrinsic irregularities of the printed outcome, by means of hand measurements and high-precision 3D scan acquisition of different element types. © VBRI Press.
3D printing, additive manufacturing, geometrical properties, experimental tests, 3D scan
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