A scheme of comprehensive assessment of weld bead geometry

Sharma, Abhay and Verma, D K and Arora, N (2016) A scheme of comprehensive assessment of weld bead geometry. International Journal of Advanced Manufacturing Technology, 82 (9). pp. 1507-1515. ISSN 0268-3768

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Weld bead geometry is a complex multi-input multi-output system. The relation between every individual geometrical feature and welding process parameter of a weld bead is unique, like the weld width, reinforcement height, and penetration depth. A comprehensive assessment scheme for weld bead geometry is proposed. Individual effects of weld bead geometry features were aggregated to obtain an index as a function of the process parameters to express the overall geometric fitness. The proposed approach is demonstrated through a case study on pulsed tungsten inert gas welding. The method is simple but more effective than other methods of aggregation, like the average index, desirability function, and fuzzy classification used in similar scenarios. The developed approach may be used for other manufacturing processes where complex multi-input multi-output relations govern the overall efficacy.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Article
Uncontrolled Keywords: Weld bead geometry, Empirical model, Aggregate index, Fuzzy classification, Pulsed TIG welding,
Subjects: ?? sub4.9 ??
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Team Library
Date Deposited: 31 Jul 2015 07:02
Last Modified: 21 Jun 2018 11:44
URI: http://raiith.iith.ac.in/id/eprint/1740
Publisher URL: http://dx.doi.org/10.1007/s00170-015-7452-0
OA policy: http://www.sherpa.ac.uk/romeo/issn/0268-3768/
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