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Volume 150
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Proceeding Paper

Statistical Distribution of Electrical Properties of Wire Arc Additively Manufactured ER4043 Aluminum Alloy Components †

by
Valentin Mateev
1,*,
Georgi Kotlarski
2,
Iliana Marinova
3,
Stefan Valkov
2,4,
Maria Ormanova
2,4 and
Daniela Stoeva
2
1
Department of Electrical Apparatus, Technical University of Sofia, 1000 Sofia, Bulgaria
2
Institute of Electronics, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria
3
Institute of Robotics, Bulgarian Academy of Science, 1113 Sofia, Bulgaria
4
Faculty of Mathematics, Informatics, and Natural Sciences, Technical University of Gabrovo, 5300 Gabrovo, Bulgaria
*
Author to whom correspondence should be addressed.
†
Presented at the 15th International Scientific Conference TechSys 2026—Engineering, Technologies and Systems, Plovdiv, Bulgaria, 14–16 May 2026.
Eng. Proc. 2026, 150(1), 89; https://doi.org/10.3390/engproc2026150089
Published: 30 July 2026
(This article belongs to the Proceedings of The 15th International Scientific Conference TechSys 2026—Engineering, Technologies and Systems)
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Abstract

This paper is dedicated to the determination of the electrical properties of a wire arc additively manufactured (WAAM) aluminum alloy component. Statistical processing of the electrical properties and hollow micro-interlayer zones of the WAAM sample made of ER4043 aluminum alloy is performed. The eddy current electrical conductivity measurement method is employed for WAAM 3D-printed sample surface properties mapping. Measured data on electrical conductivity are estimated depending on the 3D printing axis directions and the lift-off distance from the sample surface. The 3D standard deviation is calculated for property anisotropy correlation. These data can be used for improved additive manufacturing control for enhanced electrical conductivity of aluminum WAAM samples as well as for numerical modeling of the properties of such samples.
Keywords: Wire Arc Additively Manufacturing; WAAM; 3D printing; ER4043; electrical conductivity; statistics Wire Arc Additively Manufacturing; WAAM; 3D printing; ER4043; electrical conductivity; statistics

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MDPI and ACS Style

Mateev, V.; Kotlarski, G.; Marinova, I.; Valkov, S.; Ormanova, M.; Stoeva, D. Statistical Distribution of Electrical Properties of Wire Arc Additively Manufactured ER4043 Aluminum Alloy Components. Eng. Proc. 2026, 150, 89. https://doi.org/10.3390/engproc2026150089

AMA Style

Mateev V, Kotlarski G, Marinova I, Valkov S, Ormanova M, Stoeva D. Statistical Distribution of Electrical Properties of Wire Arc Additively Manufactured ER4043 Aluminum Alloy Components. Engineering Proceedings. 2026; 150(1):89. https://doi.org/10.3390/engproc2026150089

Chicago/Turabian Style

Mateev, Valentin, Georgi Kotlarski, Iliana Marinova, Stefan Valkov, Maria Ormanova, and Daniela Stoeva. 2026. "Statistical Distribution of Electrical Properties of Wire Arc Additively Manufactured ER4043 Aluminum Alloy Components" Engineering Proceedings 150, no. 1: 89. https://doi.org/10.3390/engproc2026150089

APA Style

Mateev, V., Kotlarski, G., Marinova, I., Valkov, S., Ormanova, M., & Stoeva, D. (2026). Statistical Distribution of Electrical Properties of Wire Arc Additively Manufactured ER4043 Aluminum Alloy Components. Engineering Proceedings, 150(1), 89. https://doi.org/10.3390/engproc2026150089

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