Twin-wire welding based additive manufacturing (TWAM): manufacture of functionally gradient objects

M Adinarayanappa, S and Simhambhatla, S and Campbell, R. Ian and Gibson, Ian (2017) Twin-wire welding based additive manufacturing (TWAM): manufacture of functionally gradient objects. Rapid Prototyping Journal, 23 (5). pp. 858-868. ISSN 1355-2546

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Abstract

For dissimilar twin-wire weld-deposition used here, it is observed that the resultant hardness is in the volumetric proportion of the hardness of the individual filler wires. This aids the fabrication of FGMs using arc based weld-deposition with localized control of hardness, achieved through the control of the ratio of wire speeds of the individual filler wires. Four sample parts were fabricated to demonstrate the concept of realizing FGMs through TWAM. The fabricated parts showed good match with the desired hardness variation.

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IITH Creators:
IITH CreatorsORCiD
Simhambhatla, Shttp://orcid.org/0000-0001-6015-7593
Item Type: Article
Uncontrolled Keywords: Additive manufacturing; Functionally gradient material; Weld-deposition
Subjects: Physics > Mechanical and aerospace
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Team Library
Date Deposited: 17 Jul 2017 10:51
Last Modified: 19 Sep 2017 07:01
URI: http://raiith.iith.ac.in/id/eprint/3397
Publisher URL: https://doi.org/10.1108/RPJ-09-2015-0126
OA policy: http://www.sherpa.ac.uk/romeo/issn/1355-2546/
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