Chen Shen

TL;DR: This study focuses on developing a fully automated system using robotic gas metal arc welding to additively manufacture metal components and demonstrates that the developed system is a significant contribution towards the ultimate goal of producing a practical and highly automated arc-welding-based additive manufacturing system for industrial application.

TL;DR: The effects of heat input from the welding process and post-weld-heat-treatment (PWHT) are shown to give uniform NAB alloys with superior mechanical properties revealing potential marine applications of the WAAM technique in NAB production.

TL;DR: In this article, a functionally gradient iron-aluminum wall structure with aluminum composition gradient from 0 at. pct to over 50 pct is fabricated using a wire-arc additive manufacturing (WAAM) system.

TL;DR: In this article, a wire-arc additive manufacturing (WAAM) system is used to fabricate iron rich Fe-Al intermetallics with 25% aluminum content, which is produced in situ through controlled addition of the elemental iron and aluminum components into the welding process and assessed using optical microstructure analysis, hardness testing, tensile testing, X-ray diffraction phase characterization and electron dispersive spectrometry.

TL;DR: In this article, an innovative wire-arc additive manufacturing process for fabricating Fe3Al-based iron aluminide buildup walls with 30 at.% Al content is presented, which is produced in situ through controlled addition of the elemental iron and aluminum components into the welding process.