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Acharya, Samarendra
- Artificial Neural Networks Based Prediction of Penetration in Activated Tungsten Inert Gas Welding
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Authors
Affiliations
1 Mechanical Engineering Department, Kalyani Govt. Engineering College, Kalyani- 741235, West Bengal, IN
1 Mechanical Engineering Department, Kalyani Govt. Engineering College, Kalyani- 741235, West Bengal, IN
Source
Indian Welding Journal, Vol 57, No 1 (2024), Pagination: 71-79Abstract
Using GTAW, or tungsten inert gas (TIG) welding, weld penetration is usually lesser than the other arc welding processes. ATIG (Activated-flux TIG) welding can be a good alternative to provide deep penetration, and hence, improved productivity. In this work, 304L SS plate of 8 mm thickness was used as base plate, and a flux with a mixture of SiO2, MnO2 and MoO3 was used as a ternary flux in the ratio of 1:1:2. A 2-factor 3-level response surface methodology of central composite design was considered for designing experimental runs. Back Propagation (BP) type Artificial Neural Networks (ANN) model was developed to assess penetration in ATIG welding by using heat input and pulse frequency as the two process parameters. The ANN chosen has 2-10-1 network structure. Results show that the predicted values through ANN are conforming quite well to the experimentally obtained penetration, and hence, the applicability of ANN.Keywords
Welding, Activated Tungsten Inert Gas Welding, ATIG, Artificial Neural Networks, ANN, NN, Prediction, Depth of Penetration.
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