Effect of combined parametric impacts on collapsing the wall quality of WAAM Al5356 component

Saravana Kumar, M.; Jeyaprakash, N.; Yang, Che-Hua

doi:10.1016/j.engfailanal.2024.108848

Engineering Failure Analysis

2024

DOI: 10.1016/j.engfailanal.2024.108848

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Effect of combined parametric impacts on collapsing the wall quality of WAAM Al5356 component

M. Saravana Kumar,

N. Jeyaprakash,

Che-Hua Yang

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Intensify the hindrance to gas entrapment on the construction of Al 5356 thin-walled structure by tuning the WAAM process parameters

Saravana Kumar,

Jeyaprakash,

Yang

2024

Phys. Scr.

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Compared to other metallic additive manufacturing methods, Wire Arc Additive Manufacturing (WAAM) has a number of advantages, such as less equipment capital required and more material composition flexibility. However, uneven welding and feed rates, as well as inadequate gas flow, can result in flaws such oxidation, gas entrapment, and humping. This study aims to reduce gas entrapment, maximize tensile strength, and reduced elastic modulus of the WAAM Al5356 wall by optimizing gas flow rate (13, 16 and 19 Lit/min) in conjunction with welding and feed rates. The study highlighted gas flow rate as the most important component in pore formation and used the Entropy approach in conjunction with the COmplex PRoportional ASsessment (COPRAS) tool to identify ideal settings. The reduction in gas entrapment to 0.02%, as shown in the confirmation studies, resulted in a 33.9% rise in tensile strength and a 64.7% rise in elastic modulus. To verify these ideal parameters, elastic modulus mapping was done on the printed WAAM Al5356 wall. Moreover, the damage processes connected to gas entrapment and humping development were examined using fractography. Consequently, the research determined the ideal conditions to generate a multi-layer structure free of defects, improving its practicality in aerospace and automotive sectors.

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Intensify the hindrance to gas entrapment on the construction of Al 5356 thin-walled structure by tuning the WAAM process parameters

Saravana Kumar,

Jeyaprakash,

Yang

2024

Phys. Scr.

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Effect of combined parametric impacts on collapsing the wall quality of WAAM Al5356 component

Cited by 1 publication

References 21 publications

Intensify the hindrance to gas entrapment on the construction of Al 5356 thin-walled structure by tuning the WAAM process parameters

Intensify the hindrance to gas entrapment on the construction of Al 5356 thin-walled structure by tuning the WAAM process parameters

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