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This paper presents a study on the influence of pre-pulse process by spot weld bonding of asymmetric three-sheet steel stack-ups. Two types of stack-ups were examined, consisting a combination of low carbon steel (DX51—1.0226) and ultra-high-strength steel (22MnB5—1.5528). Weld bonding of asymmetric stack-ups results in particular challenges. By using standard parameters, the effective welding current...
The purpose of this paper is to present the course of a thermal cycle induced by welding in characteristic points in a joint and demonstrate the capabilities of simulation techniques with regard to thermal analysis of welding. Hybrid plasma-arc welding (HPAW) tests were conducted on samples of advanced high-strength steel (AHSS). Welding FEM analysis was carried out. Cooling time was determined for...
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