Effect of transverse arc oscillation on morphology, dilution and microstructural aspects of weld beads produced with sho
- PDF / 2,635,917 Bytes
- 13 Pages / 595.276 x 790.866 pts Page_size
- 78 Downloads / 141 Views
(2020) 42:449
TECHNICAL PAPER
Effect of transverse arc oscillation on morphology, dilution and microstructural aspects of weld beads produced with short‑circuiting transfer in GMAW Mauricio Lara1 · Víctor Vergara Díaz1 · Manuel Camus1 · Tiago Vieira Da Cunha2 Received: 11 March 2020 / Accepted: 27 July 2020 © The Brazilian Society of Mechanical Sciences and Engineering 2020
Abstract This work investigates the effects of transverse arc oscillation in gas metal arc welding (GMAW) with metal transfer by short circuit using the AISI 316L alloy as the base metal. For this purpose, the influence of the oscillation frequency (f) and the wire-feed speed (Va) at three levels was analyzed, keeping a constant triangular weaving pattern and a fixed welding speed. The results show that an increase in oscillation frequency leads to an increase in the resulting welding speed, resulting in lower welding energy. Regarding weld bead morphology, the transverse arc oscillation reduced the reinforcement, the wetting angle, the penetration and the convexity index (CI
Data Loading...
