Fabrication of functionally graded material via gas tungsten arc welding based wire feeding additive manufacturing: Mechanical and microstructural characterization

Veeman, Dhinakaran and Alruqi, Mansoor and Kumar Subramaniyan, Mohan and Shanmugam Nallathambhi, Siva and Agnelo Browne, Micheal and Kamaraj, Ashok (2022) Fabrication of functionally graded material via gas tungsten arc welding based wire feeding additive manufacturing: Mechanical and microstructural characterization. Materials Letters, 324. pp. 1-4. ISSN 0167-577X

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Abstract

Fabrication of functionally graded materials-FGM is an emerging technique in the field of additive manufacturing-AM. FGM is used in many applications like the marine, aerospace, and automobile sectors. This study gives first-hand knowledge on the mechanical and microstructural characterization of additively manufactured FGM wall (Commercially pure titanium (CP-Ti/Ti-Grade-9) using gas tungsten arc welding-GTAW based AM. Experimental results revealed that this particularly manufactured wall has shown better properties such as tensile strength, impact energy, hardness, and microstructural characteristics when compared to wrought alloys. Scanning electron microscopy-SEM analysis indicates the ductile mode of failure that occurred in the fractured samples. This research has successfully fabricated FGM with spatially improved properties. © 2022 Elsevier B.V.

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