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Title: A scheme of comprehensive assessment of weld bead geometry
Authors: Sharma A.
Verma D.K.
Arora N.
Published in: International Journal of Advanced Manufacturing Technology
Abstract: 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. © 2015, Springer-Verlag London.
Citation: International Journal of Advanced Manufacturing Technology (2016), 82(44086): 1507-1515
Issue Date: 2016
Publisher: Springer-Verlag London Ltd
Keywords: Aggregate index
Empirical model
Fuzzy classification
Pulsed TIG welding
Weld bead geometry
ISSN: 2683768
Author Scopus IDs: 57211511571
Author Affiliations: Sharma, A., Indian Institute of Technology Hyderabad, Yeddumailaram, Telangana, 502205, India
Verma, D.K., Welding Research Institute, Tiruchirappalli, Tamil Nadu, 620014, India
Arora, N., Indian Institute of Technology Roorkee, Roorkee, Uttrakhand, 247667, India
Corresponding Author: Sharma, A.; Indian Institute of Technology HyderabadIndia; email:
Appears in Collections:Journal Publications [ME]

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