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Davide Verdi

Advanced Remanufacturing and Technology Centre (ARTC)

Additive Manufacturing towards sustainability and Industry 4.0

The Advanced Remanufacturing and Technology Centre (ARTC) is a research-founded organisation under the Agency for Science, Research and Technology (A*STAR) of Singapore. ARTC’s goal is to bridge the gap between research and industry, focusing in the development of advanced manufacturing and remanufacturing capabilities to deliver technical projects within technology readiness levels (TRL) of 4 to 6.

ARTC is structured around six technology themes, amongst which there are two with focus on Additive Manufacturing (AM) technologies: the Advanced Remanufacturing (AR) and the Advanced Manufacturing Industrialisation (AMI). The AR group aims to develop advanced technologies for the rejuvenation of high value components with complex geometry, where the group has specialised Regenerative Repair process teams using powder-blown Laser Metal Deposition (LMD), hybrid additive-subtractive, Cold-Spray (CS), and automated robotic welding. Meanwhile, the AMI group looks to develop innovative solutions for the manufacturing of high value components, leveraging on various expertise in design for AM, process development for powder-bed and binder jetting technologies, post-processing for AM parts, as well as material characterisation (part and powder performance).

In 2020, while we are walking towards a new industrial era labelled as Industry 4.0 and characterised by the automation and digitalisation of manufacturing and production, the industrial adoption of AM technologies on a large scale is sometimes impeded by its relatively high implementation and production costs. In addition, even if AM technologies appear to provide potential sustainability benefits such as improved resource efficiency and extended product life, many concerns remain unsolved regarding energy demands and environmental impact.

In this session, results obtained in ARTC relating to the role of AM in Industry 4.0 adoption and the sustainability of these technologies will be presented. As an example, the implementation of monitoring technologies will increase the digitisation and allow a higher level of automation of the process and communication among different machines involved in a manufacturing or remanufacturing cycle. Another example being recently studied is the possibility of re-using un-melted powder during the powder-blown LMD process; the limitations of this practice as well as possible alternatives will be discussed and compared with similar results obtained for powder-bed machines, where the research in powder re-use is more advanced.

Biography

Davide Verdi is an Advanced Development Scientist in laser metal deposition for the Advanced Remanufacturing and Technology Centre (ARTC) of Singapore, one of the research institutes under the Agency for Science, Technology and Research (A*STAR). He received a Bachelor’s Degree in Aerospace Engineering and a Master Degree in Materials Engineering at the Polytechnic University of Milan, Italy. Successively, Davide obtained a PhD in Materials Science and Engineering from the King Juan Carlos University of Madrid, Spain, for his dissertation on the effect of temperature on the microstructure and mechanical properties of laser cladded Ni-based metal matrix composite coatings. Afterwards, Davide spent one year as a post-doctorate research engineer at ENSTA Bretagne, France, studying the dynamic behaviour of components obtained by laser powder bed fusion under laser-driven shock waves. In 2017, he joined the regenerative repair process team in ARTC, contributing to the development of the laser metal deposition process for remanufacturing applications towards sustainability and digitalisation for Industry 4.0.

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