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Research Articles

Influence of deposit track on the forming and performance of wire arc additive manufactured 2319 aluminum alloy components

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Pages 9-16 | Received 15 Nov 2021, Accepted 08 Dec 2021, Published online: 05 Jan 2022
 

ABSTRACT

The wire arc additive manufacturing (WAAM) method has a high material utilization rate and is superior to the casting method. However, the higher the dimensional accuracy required for additive manufacturing components and the more complex the components are, the more difficult it is to guarantee their quality. The subsequent processing requires a large amount of labour cost. In this study, a track optimization method is proposed to achieve the quality control of 2319 aluminium alloy additive manufacturing components, which can improve the forming accuracy and optimize the component performance. The experimental results show that multi-track stacking can effectively reduce the heat accumulation in the deposition process. The component forming accuracy is improved by about 70%, the tensile strength by about 6% and the yield strength by about 15%. The influence of deposition track on the forming accuracy and quality of WAAM components has rarely been studied.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by the [Key Research and Development Project of Liaoning Province #1] under Grant [number 2019JH2/10100017]; [Special project for the transformation of major scientific and technological achievements in Shenyang #2] under Grant [number 20-203-5-01]; [National Natural Science Foundation of China #3] under Grant [number 51775354]; [Liaoning Revitalization Talents Program #4] under Grant [number <#AWARD-ID;>XLYC2007072</#AWARD-ID;>]; and [Ministry of Education and Science of Russian Federation #5] under Grant [number 11.9505.2017/8.9].

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