期刊
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
卷 45, 期 11-12, 页码 1096-1103出版社
SPRINGER LONDON LTD
DOI: 10.1007/s00170-009-2046-3
关键词
Twin-wire welding; Heat source model; Thermal cycle; Flux consumption
资金
- Department of Science and Technology, Government of India [SR/S3/MERC-21/2005]
Heat source models are mathematical expressions that represent the generation term in the fundamental heat transfer equation. Investigators have successfully demonstrated different heat source models for single-wire welding. The present investigation estimates the double ellipsoidal heat source model parameters for twin-wire application. The heat source model parameters have been estimated for varying set of welding conditions. It has been found that the heat source model parameters for twin-wire welding are different from the single-wire welding. Moreover, the heat source model parameters also depend upon process parameters. Effects of welding current, electrode polarity and wire diameter on the size of heat source model have been presented. Flux consumption is also found to play a significant role in deciding the heat source model parameters.
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